Commit Graph

4150 Commits

Author SHA1 Message Date
Tao Huang
b50aca0c9a Merge tag 'ASB-2021-02-05_4.19-stable' of https://android.googlesource.com/kernel/common
https://source.android.com/security/bulletin/2021-02-01
CVE-2017-18509
CVE-2020-10767

* tag 'ASB-2021-02-05_4.19-stable': (809 commits)
  ANDROID: GKI: fix up abi issues with 4.19.172
  Linux 4.19.172
  fs: fix lazytime expiration handling in __writeback_single_inode()
  writeback: Drop I_DIRTY_TIME_EXPIRE
  dm integrity: conditionally disable "recalculate" feature
  tools: Factor HOSTCC, HOSTLD, HOSTAR definitions
  tracing: Fix race in trace_open and buffer resize call
  HID: wacom: Correct NULL dereference on AES pen proximity
  futex: Handle faults correctly for PI futexes
  futex: Simplify fixup_pi_state_owner()
  futex: Use pi_state_update_owner() in put_pi_state()
  rtmutex: Remove unused argument from rt_mutex_proxy_unlock()
  futex: Provide and use pi_state_update_owner()
  futex: Replace pointless printk in fixup_owner()
  futex: Ensure the correct return value from futex_lock_pi()
  futex: Prevent exit livelock
  futex: Provide distinct return value when owner is exiting
  futex: Add mutex around futex exit
  futex: Provide state handling for exec() as well
  futex: Sanitize exit state handling
  ...

Change-Id: Ieba6ee3a91a05d504e1f829a84e7d364e7d983f2

Conflicts:
	arch/arm64/boot/dts/rockchip/rk3328.dtsi
	drivers/md/Kconfig
	drivers/usb/gadget/function/f_uac2.c
2021-02-26 15:30:04 +08:00
Greg Kroah-Hartman
709f9b702e This is the 4.19.171 stable release
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Merge 4.19.171 into android-4.19-stable

Changes in 4.19.171
	i2c: bpmp-tegra: Ignore unknown I2C_M flags
	ALSA: seq: oss: Fix missing error check in snd_seq_oss_synth_make_info()
	ALSA: hda/via: Add minimum mute flag
	ACPI: scan: Make acpi_bus_get_device() clear return pointer on error
	btrfs: fix lockdep splat in btrfs_recover_relocation
	mmc: core: don't initialize block size from ext_csd if not present
	mmc: sdhci-xenon: fix 1.8v regulator stabilization
	dm: avoid filesystem lookup in dm_get_dev_t()
	dm integrity: fix a crash if "recalculate" used without "internal_hash"
	drm/atomic: put state on error path
	ASoC: Intel: haswell: Add missing pm_ops
	scsi: ufs: Correct the LUN used in eh_device_reset_handler() callback
	scsi: qedi: Correct max length of CHAP secret
	riscv: Fix kernel time_init()
	HID: Ignore battery for Elan touchscreen on ASUS UX550
	clk: tegra30: Add hda clock default rates to clock driver
	xen: Fix event channel callback via INTX/GSI
	drm/nouveau/bios: fix issue shadowing expansion ROMs
	drm/nouveau/privring: ack interrupts the same way as RM
	drm/nouveau/i2c/gm200: increase width of aux semaphore owner fields
	drm/nouveau/mmu: fix vram heap sizing
	drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
	scsi: megaraid_sas: Fix MEGASAS_IOC_FIRMWARE regression
	i2c: octeon: check correct size of maximum RECV_LEN packet
	platform/x86: intel-vbtn: Drop HP Stream x360 Convertible PC 11 from allow-list
	selftests: net: fib_tests: remove duplicate log test
	can: dev: can_restart: fix use after free bug
	can: vxcan: vxcan_xmit: fix use after free bug
	can: peak_usb: fix use after free bugs
	iio: ad5504: Fix setting power-down state
	irqchip/mips-cpu: Set IPI domain parent chip
	intel_th: pci: Add Alder Lake-P support
	stm class: Fix module init return on allocation failure
	serial: mvebu-uart: fix tx lost characters at power off
	ehci: fix EHCI host controller initialization sequence
	USB: ehci: fix an interrupt calltrace error
	usb: gadget: aspeed: fix stop dma register setting.
	usb: udc: core: Use lock when write to soft_connect
	usb: bdc: Make bdc pci driver depend on BROKEN
	xhci: make sure TRB is fully written before giving it to the controller
	xhci: tegra: Delay for disabling LFPS detector
	driver core: Extend device_is_dependent()
	netfilter: rpfilter: mask ecn bits before fib lookup
	sh: dma: fix kconfig dependency for G2_DMA
	sh_eth: Fix power down vs. is_opened flag ordering
	skbuff: back tiny skbs with kmalloc() in __netdev_alloc_skb() too
	kasan: fix unaligned address is unhandled in kasan_remove_zero_shadow
	kasan: fix incorrect arguments passing in kasan_add_zero_shadow
	udp: mask TOS bits in udp_v4_early_demux()
	ipv6: create multicast route with RTPROT_KERNEL
	net_sched: avoid shift-out-of-bounds in tcindex_set_parms()
	net_sched: reject silly cell_log in qdisc_get_rtab()
	ipv6: set multicast flag on the multicast route
	net: mscc: ocelot: allow offloading of bridge on top of LAG
	net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled
	net: dsa: b53: fix an off by one in checking "vlan->vid"
	Linux 4.19.171

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2be7d084a443bfc87e6a3d5753d9c233f54788ac
2021-01-27 11:45:59 +01:00
Rafael J. Wysocki
cfd402c22c driver core: Extend device_is_dependent()
commit 3d1cf435e2 upstream.

If the device passed as the target (second argument) to
device_is_dependent() is not completely registered (that is, it has
been initialized, but not added yet), but the parent pointer of it
is set, it may be missing from the list of the parent's children
and device_for_each_child() called by device_is_dependent() cannot
be relied on to catch that dependency.

For this reason, modify device_is_dependent() to check the ancestors
of the target device by following its parent pointer in addition to
the device_for_each_child() walk.

Fixes: 9ed9895370 ("driver core: Functional dependencies tracking support")
Reported-by: Stephan Gerhold <stephan@gerhold.net>
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/17705994.d592GUb2YH@kreacher
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-27 11:05:42 +01:00
Greg Kroah-Hartman
5905c14687 This is the 4.19.168 stable release
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Merge 4.19.168 into android-4.19-stable

Changes in 4.19.168
	net: cdc_ncm: correct overhead in delayed_ndp_size
	net: hns3: fix the number of queues actually used by ARQ
	net: stmmac: dwmac-sun8i: Balance internal PHY resource references
	net: stmmac: dwmac-sun8i: Balance internal PHY power
	net: vlan: avoid leaks on register_vlan_dev() failures
	net/sonic: Fix some resource leaks in error handling paths
	net: ip: always refragment ip defragmented packets
	net: fix pmtu check in nopmtudisc mode
	net: ipv6: fib: flush exceptions when purging route
	chtls: Fix hardware tid leak
	chtls: Remove invalid set_tcb call
	chtls: Fix panic when route to peer not configured
	chtls: Replace skb_dequeue with skb_peek
	chtls: Added a check to avoid NULL pointer dereference
	chtls: Fix chtls resources release sequence
	x86/resctrl: Use an IPI instead of task_work_add() to update PQR_ASSOC MSR
	x86/resctrl: Don't move a task to the same resource group
	vmlinux.lds.h: Add PGO and AutoFDO input sections
	drm/i915: Fix mismatch between misplaced vma check and vma insert
	spi: pxa2xx: Fix use-after-free on unbind
	iio: imu: st_lsm6dsx: flip irq return logic
	iio: imu: st_lsm6dsx: fix edge-trigger interrupts
	HID: wacom: Fix memory leakage caused by kfifo_alloc
	ARM: OMAP2+: omap_device: fix idling of devices during probe
	i2c: sprd: use a specific timeout to avoid system hang up issue
	cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get()
	spi: stm32: FIFO threshold level - fix align packet size
	dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path of the probe function
	dmaengine: xilinx_dma: check dma_async_device_register return value
	dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
	dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
	wil6210: select CONFIG_CRC32
	block: rsxx: select CONFIG_CRC32
	lightnvm: select CONFIG_CRC32
	iommu/intel: Fix memleak in intel_irq_remapping_alloc
	net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
	net/mlx5e: Fix two double free cases
	regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
	wan: ds26522: select CONFIG_BITREVERSE
	KVM: arm64: Don't access PMCR_EL0 when no PMU is available
	block: fix use-after-free in disk_part_iter_next
	net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed packet
	regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
	Linux 4.19.168

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ia39a78431db8bf624b3d0c0940be36c514b79a77
2021-01-17 15:40:58 +01:00
Dan Carpenter
1b8dd2d64e regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
commit f6bcb4c7f3 upstream.

This code will leak "map->debugfs_name" because the if statement is
reversed so it only frees NULL pointers instead of non-NULL.  In
fact the if statement is not required and should just be removed
because kfree() accepts NULL pointers.

Fixes: cffa4b2122 ("regmap: debugfs: Fix a memory leak when calling regmap_attach_dev")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/X/RQpfAwRdLg0GqQ@mwanda
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-17 14:04:23 +01:00
Xiaolei Wang
5b654b0300 regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
commit cffa4b2122 upstream.

After initializing the regmap through
syscon_regmap_lookup_by_compatible, then regmap_attach_dev to the
device, because the debugfs_name has been allocated, there is no
need to redistribute it again

unreferenced object 0xd8399b80 (size 64):
  comm "swapper/0", pid 1, jiffies 4294937641 (age 278.590s)
  hex dump (first 32 bytes):
	64 75 6d 6d 79 2d 69 6f 6d 75 78 63 2d 67 70 72
dummy-iomuxc-gpr
	40 32 30 65 34 30 30 30 00 7f 52 5b d8 7e 42 69
@20e4000..R[.~Bi
  backtrace:
    [<ca384d6f>] kasprintf+0x2c/0x54
    [<6ad3bbc2>] regmap_debugfs_init+0xdc/0x2fc
    [<bc4181da>] __regmap_init+0xc38/0xd88
    [<1f7e0609>] of_syscon_register+0x168/0x294
    [<735e8766>] device_node_get_regmap+0x6c/0x98
    [<d96c8982>] imx6ul_init_machine+0x20/0x88
    [<0456565b>] customize_machine+0x1c/0x30
    [<d07393d8>] do_one_initcall+0x80/0x3ac
    [<7e584867>] kernel_init_freeable+0x170/0x1f0
    [<80074741>] kernel_init+0x8/0x120
    [<285d6f28>] ret_from_fork+0x14/0x20
    [<00000000>] 0x0

Fixes: 9b947a13e7 ("regmap: use debugfs even when no device")
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Link: https://lore.kernel.org/r/20201229105046.41984-1-xiaolei.wang@windriver.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-17 14:04:23 +01:00
Greg Kroah-Hartman
8ca2f0230e Merge 4.19.167 into android-4.19-stable
Changes in 4.19.167
	kbuild: don't hardcode depmod path
	workqueue: Kick a worker based on the actual activation of delayed works
	scsi: ufs: Fix wrong print message in dev_err()
	scsi: ufs-pci: Ensure UFS device is in PowerDown mode for suspend-to-disk ->poweroff()
	scsi: ide: Do not set the RQF_PREEMPT flag for sense requests
	scsi: scsi_transport_spi: Set RQF_PM for domain validation commands
	lib/genalloc: fix the overflow when size is too big
	depmod: handle the case of /sbin/depmod without /sbin in PATH
	proc: change ->nlink under proc_subdir_lock
	proc: fix lookup in /proc/net subdirectories after setns(2)
	i40e: Fix Error I40E_AQ_RC_EINVAL when removing VFs
	net: mvpp2: Add TCAM entry to drop flow control pause frames
	net: mvpp2: prs: fix PPPoE with ipv6 packet parse
	ethernet: ucc_geth: fix use-after-free in ucc_geth_remove()
	ethernet: ucc_geth: set dev->max_mtu to 1518
	atm: idt77252: call pci_disable_device() on error path
	net: mvpp2: Fix GoP port 3 Networking Complex Control configurations
	qede: fix offload for IPIP tunnel packets
	virtio_net: Fix recursive call to cpus_read_lock()
	net/ncsi: Use real net-device for response handler
	net: ethernet: Fix memleak in ethoc_probe
	net-sysfs: take the rtnl lock when storing xps_cpus
	net-sysfs: take the rtnl lock when accessing xps_cpus_map and num_tc
	net: ethernet: ti: cpts: fix ethtool output when no ptp_clock registered
	tun: fix return value when the number of iovs exceeds MAX_SKB_FRAGS
	ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst()
	net: hns: fix return value check in __lb_other_process()
	erspan: fix version 1 check in gre_parse_header()
	net: hdlc_ppp: Fix issues when mod_timer is called while timer is running
	CDC-NCM: remove "connected" log message
	net: usb: qmi_wwan: add Quectel EM160R-GL
	r8169: work around power-saving bug on some chip versions
	vhost_net: fix ubuf refcount incorrectly when sendmsg fails
	net: sched: prevent invalid Scell_log shift count
	net-sysfs: take the rtnl lock when storing xps_rxqs
	net-sysfs: take the rtnl lock when accessing xps_rxqs_map and num_tc
	net: systemport: set dev->max_mtu to UMAC_MAX_MTU_SIZE
	Bluetooth: revert: hci_h5: close serdev device and free hu in h5_close
	video: hyperv_fb: Fix the mmap() regression for v5.4.y and older
	crypto: ecdh - avoid buffer overflow in ecdh_set_secret()
	staging: mt7621-dma: Fix a resource leak in an error handling path
	usb: gadget: enable super speed plus
	USB: cdc-acm: blacklist another IR Droid device
	USB: cdc-wdm: Fix use after free in service_outstanding_interrupt().
	usb: dwc3: ulpi: Use VStsDone to detect PHY regs access completion
	usb: chipidea: ci_hdrc_imx: add missing put_device() call in usbmisc_get_init_data()
	USB: xhci: fix U1/U2 handling for hardware with XHCI_INTEL_HOST quirk set
	usb: usbip: vhci_hcd: protect shift size
	usb: uas: Add PNY USB Portable SSD to unusual_uas
	USB: serial: iuu_phoenix: fix DMA from stack
	USB: serial: option: add LongSung M5710 module support
	USB: serial: option: add Quectel EM160R-GL
	USB: yurex: fix control-URB timeout handling
	USB: usblp: fix DMA to stack
	ALSA: usb-audio: Fix UBSAN warnings for MIDI jacks
	usb: gadget: select CONFIG_CRC32
	usb: gadget: f_uac2: reset wMaxPacketSize
	usb: gadget: function: printer: Fix a memory leak for interface descriptor
	usb: gadget: u_ether: Fix MTU size mismatch with RX packet size
	USB: gadget: legacy: fix return error code in acm_ms_bind()
	usb: gadget: Fix spinlock lockup on usb_function_deactivate
	usb: gadget: configfs: Preserve function ordering after bind failure
	usb: gadget: configfs: Fix use-after-free issue with udc_name
	USB: serial: keyspan_pda: remove unused variable
	x86/mm: Fix leak of pmd ptlock
	ALSA: hda/via: Fix runtime PM for Clevo W35xSS
	ALSA: hda/conexant: add a new hda codec CX11970
	ALSA: hda/realtek - Fix speaker volume control on Lenovo C940
	btrfs: send: fix wrong file path when there is an inode with a pending rmdir
	Revert "device property: Keep secondary firmware node secondary by type"
	xen/pvh: correctly setup the PV EFI interface for dom0
	netfilter: x_tables: Update remaining dereference to RCU
	netfilter: ipset: fix shift-out-of-bounds in htable_bits()
	netfilter: xt_RATEEST: reject non-null terminated string from userspace
	x86/mtrr: Correct the range check before performing MTRR type lookups
	KVM: x86: fix shift out of bounds reported by UBSAN
	scsi: target: Fix XCOPY NAA identifier lookup
	Linux 4.19.167

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Id204bcc705c98d3344f33de84431cc7ca0868246
2021-01-13 10:28:13 +01:00
Bard Liao
b3bad628bf Revert "device property: Keep secondary firmware node secondary by type"
commit 47f4469970 upstream.

While commit d5dcce0c41 ("device property: Keep secondary firmware
node secondary by type") describes everything correct in its commit
message, the change it made does the opposite and original commit
c15e1bdda4 ("device property: Fix the secondary firmware node handling
in set_primary_fwnode()") was fully correct.

Revert the former one here and improve documentation in the next patch.

Fixes: d5dcce0c41 ("device property: Keep secondary firmware node secondary by type")
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: 5.10+ <stable@vger.kernel.org> # 5.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-12 20:10:24 +01:00
Saravana Kannan
dcddb5cea9 UPSTREAM: driver core: Avoid deferred probe due to fw_devlink_pause/resume()
With the earlier patch in this series, all devices that deferred probe
due to fw_devlink_pause() will have their probes delayed till the
deferred probe thread is kicked off during late_initcall. This will also
affect all their consumers.

This delayed probing in unnecessary. So this patch just keeps track of
the devices that had their probe deferred due to fw_devlink_pause() and
attempts to probe them once during fw_devlink_resume().

Change-Id: Id92b3a5d867b5fa8c07c4c40e810928a9631bf9e
Fixes: 716a7a2596 ("driver core: fw_devlink: Add support for batching fwnode parsing")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200701194259.3337652-4-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
(cherry picked from commit 2451e74647)
2020-12-29 16:11:37 +08:00
Saravana Kannan
99c458503e BACKPORT: driver core: Rename dev_links_info.defer_sync to defer_hook
The defer_sync field is used as a hook to add the device to the
deferred_sync list. Rename it so that it's more meaningful for the next
patch that'll also use this field as a hook to a deferred_fw_devlink
list.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Reviewed-by: Rafael J. Wysocki <rafael@kernel.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200701194259.3337652-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit ec7bd78498)
Change-Id: I380aaba3930772d99afb62eea194594435160c62
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
2020-12-29 16:11:27 +08:00
Tao Huang
5647c1d492 Merge tag 'ASB-2020-12-05_4.19-stable' of https://android.googlesource.com/kernel/common
https://source.android.com/security/bulletin/2020-12-01
CVE-2020-0444
CVE-2020-0465
CVE-2020-0466

* tag 'ASB-2020-12-05_4.19-stable': (636 commits)
  ANDROID: kbuild: use grep -F instead of fgrep
  ANDROID: GKI: usb: gadget: support claiming indexed endpoints by name
  UPSTREAM: arm64: sysreg: Clean up instructions for modifying PSTATE fields
  Revert "Revert "ANDROID: clang: update to 11.0.5""
  ANDROID: kbuild: speed up ksym_dep_filter
  Revert "drm/atomic_helper: Stop modesets on unregistered connectors harder"
  Linux 4.19.161
  USB: core: Fix regression in Hercules audio card
  x86/resctrl: Add necessary kernfs_put() calls to prevent refcount leak
  x86/resctrl: Remove superfluous kernfs_get() calls to prevent refcount leak
  x86/speculation: Fix prctl() when spectre_v2_user={seccomp,prctl},ibpb
  usb: gadget: Fix memleak in gadgetfs_fill_super
  USB: quirks: Add USB_QUIRK_DISCONNECT_SUSPEND quirk for Lenovo A630Z TIO built-in usb-audio card
  usb: gadget: f_midi: Fix memleak in f_midi_alloc
  USB: core: Change %pK for __user pointers to %px
  perf probe: Fix to die_entrypc() returns error correctly
  can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
  platform/x86: toshiba_acpi: Fix the wrong variable assignment
  platform/x86: thinkpad_acpi: Send tablet mode switch at wakeup time
  can: gs_usb: fix endianess problem with candleLight firmware
  ...

Change-Id: I82ccfc3d6561d3ef3b1b06ac98d48fac997c8fb6

Conflicts:
	drivers/pinctrl/pinctrl-rockchip.c
	drivers/usb/dwc3/gadget.c
	drivers/usb/host/xhci.c
	drivers/usb/host/xhci.h
2020-12-29 16:10:48 +08:00
Jianqun Xu
d84775858a cma: decrease CMA_ALIGNMENT lower limit to 0
Change-Id: Ia1cde062e3ab9fd3f94d757f08a9b3ca953728f2
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
2020-12-08 20:40:46 +08:00
Neeraj Upadhyay
2420269444 UPSTREAM: PM: sleep: wakeup: Skip wakeup_source_sysfs_remove() if device is not there
Skip wakeup_source_sysfs_remove() to fix a NULL pinter dereference via
ws->dev, if the wakeup source is unregistered before registering the
wakeup class from device_add().

Fixes: 2ca3d1ecb8 ("PM / wakeup: Register wakeup class kobj after device is added")
Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org>
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
[ rjw: Subject & changelog, white space ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 87de6594dc)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Icaae4b9b5075180aea9941e56c14406b874bd4ec
2020-11-16 07:43:08 +01:00
Saravana Kannan
301a95087d UPSTREAM: driver core: Don't do deferred probe in parallel with kernel_init thread
The current deferred probe implementation can mess up suspend/resume
ordering if deferred probe thread is kicked off in parallel with the
main initcall thread (kernel_init thread) [1].

For example:

Say device-B is a consumer of device-A.

Initcall thread					Deferred probe thread
===============					=====================
1. device-A is added.
2. device-B is added.
3. dpm_list is now [device-A, device-B].
4. driver-A defers probe of device-A.
						5. device-A is moved to
						   end of dpm_list
						6. dpm_list is now
						   [device-B, device-A]
7. driver-B is registereed and probes device-B.
8. dpm_list stays as [device-B, device-A].

The reverse order of dpm_list is used for suspend. So in this case
device-A would incorrectly get suspended before device-B.

Commit 716a7a2596 ("driver core: fw_devlink: Add support for batching
fwnode parsing") kicked off the deferred probe thread early during boot
to run in parallel with the initcall thread and caused suspend/resume
regressions.  This patch removes the parallel run of the deferred probe
thread to avoid the suspend/resume regressions.

[1] - https://lore.kernel.org/lkml/CAGETcx8W96KAw-d_siTX4qHB_-7ddk0miYRDQeHE6E0_8qx-6Q@mail.gmail.com/

Fixes: 716a7a2596 ("driver core: fw_devlink: Add support for batching fwnode parsing")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200701194259.3337652-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit cec72f3efc)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib4c56f6100d4d39f187b75d9e6680b6fb3dfbe52
2020-11-15 15:06:10 +01:00
Greg Kroah-Hartman
bc09bee25e This is the 4.19.156 stable release
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Merge 4.19.156 into android-4.19-stable

Changes in 4.19.156
	drm/i915: Break up error capture compression loops with cond_resched()
	tipc: fix use-after-free in tipc_bcast_get_mode
	ptrace: fix task_join_group_stop() for the case when current is traced
	cadence: force nonlinear buffers to be cloned
	chelsio/chtls: fix memory leaks caused by a race
	chelsio/chtls: fix always leaking ctrl_skb
	gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP
	gianfar: Account for Tx PTP timestamp in the skb headroom
	net: usb: qmi_wwan: add Telit LE910Cx 0x1230 composition
	sctp: Fix COMM_LOST/CANT_STR_ASSOC err reporting on big-endian platforms
	sfp: Fix error handing in sfp_probe()
	blktrace: fix debugfs use after free
	btrfs: extent_io: Kill the forward declaration of flush_write_bio
	btrfs: extent_io: Move the BUG_ON() in flush_write_bio() one level up
	Revert "btrfs: flush write bio if we loop in extent_write_cache_pages"
	btrfs: flush write bio if we loop in extent_write_cache_pages
	btrfs: extent_io: Handle errors better in extent_write_full_page()
	btrfs: extent_io: Handle errors better in btree_write_cache_pages()
	btrfs: extent_io: add proper error handling to lock_extent_buffer_for_io()
	Btrfs: fix unwritten extent buffers and hangs on future writeback attempts
	btrfs: Don't submit any btree write bio if the fs has errors
	btrfs: Move btrfs_check_chunk_valid() to tree-check.[ch] and export it
	btrfs: tree-checker: Make chunk item checker messages more readable
	btrfs: tree-checker: Make btrfs_check_chunk_valid() return EUCLEAN instead of EIO
	btrfs: tree-checker: Check chunk item at tree block read time
	btrfs: tree-checker: Verify dev item
	btrfs: tree-checker: Fix wrong check on max devid
	btrfs: tree-checker: Enhance chunk checker to validate chunk profile
	btrfs: tree-checker: Verify inode item
	btrfs: tree-checker: fix the error message for transid error
	Fonts: Replace discarded const qualifier
	ALSA: usb-audio: Add implicit feedback quirk for Zoom UAC-2
	ALSA: usb-audio: add usb vendor id as DSD-capable for Khadas devices
	ALSA: usb-audio: Add implicit feedback quirk for Qu-16
	ALSA: usb-audio: Add implicit feedback quirk for MODX
	mm: mempolicy: fix potential pte_unmap_unlock pte error
	lib/crc32test: remove extra local_irq_disable/enable
	kthread_worker: prevent queuing delayed work from timer_fn when it is being canceled
	mm: always have io_remap_pfn_range() set pgprot_decrypted()
	gfs2: Wake up when sd_glock_disposal becomes zero
	ring-buffer: Fix recursion protection transitions between interrupt context
	ftrace: Fix recursion check for NMI test
	ftrace: Handle tracing when switching between context
	tracing: Fix out of bounds write in get_trace_buf
	futex: Handle transient "ownerless" rtmutex state correctly
	ARM: dts: sun4i-a10: fix cpu_alert temperature
	x86/kexec: Use up-to-dated screen_info copy to fill boot params
	of: Fix reserved-memory overlap detection
	blk-cgroup: Fix memleak on error path
	blk-cgroup: Pre-allocate tree node on blkg_conf_prep
	scsi: core: Don't start concurrent async scan on same host
	vsock: use ns_capable_noaudit() on socket create
	drm/vc4: drv: Add error handding for bind
	ACPI: NFIT: Fix comparison to '-ENXIO'
	vt: Disable KD_FONT_OP_COPY
	fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent
	serial: 8250_mtk: Fix uart_get_baud_rate warning
	serial: txx9: add missing platform_driver_unregister() on error in serial_txx9_init
	USB: serial: cyberjack: fix write-URB completion race
	USB: serial: option: add Quectel EC200T module support
	USB: serial: option: add LE910Cx compositions 0x1203, 0x1230, 0x1231
	USB: serial: option: add Telit FN980 composition 0x1055
	USB: Add NO_LPM quirk for Kingston flash drive
	usb: mtu3: fix panic in mtu3_gadget_stop()
	ARC: stack unwinding: avoid indefinite looping
	Revert "ARC: entry: fix potential EFA clobber when TIF_SYSCALL_TRACE"
	PM: runtime: Resume the device earlier in __device_release_driver()
	perf/core: Fix a memory leak in perf_event_parse_addr_filter()
	tools: perf: Fix build error in v4.19.y
	net: dsa: read mac address from DT for slave device
	arm64: dts: marvell: espressobin: Add ethernet switch aliases
	Linux 4.19.156

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I87af8871465f54de0332fa74bc1f342b7fe99061
2020-11-10 13:23:09 +01:00
Rafael J. Wysocki
292e5700f4 PM: runtime: Resume the device earlier in __device_release_driver()
commit 9226c504e3 upstream.

Since the device is resumed from runtime-suspend in
__device_release_driver() anyway, it is better to do that before
looking for busy managed device links from it to consumers, because
if there are any, device_links_unbind_consumers() will be called
and it will cause the consumer devices' drivers to unbind, so the
consumer devices will be runtime-resumed.  In turn, resuming each
consumer device will cause the supplier to be resumed and when the
runtime PM references from the given consumer to it are dropped, it
may be suspended.  Then, the runtime-resume of the next consumer
will cause the supplier to resume again and so on.

Update the code accordingly.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fixes: 9ed9895370 ("driver core: Functional dependencies tracking support")
Cc: All applicable <stable@vger.kernel.org> # All applicable
Tested-by: Xiang Chen <chenxiang66@hisilicon.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-10 12:36:01 +01:00
Greg Kroah-Hartman
d1253c75a8 This is the 4.19.155 stable release
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Merge 4.19.155 into android-4.19-stable

Changes in 4.19.155
	objtool: Support Clang non-section symbols in ORC generation
	scripts/setlocalversion: make git describe output more reliable
	arm64: Run ARCH_WORKAROUND_1 enabling code on all CPUs
	arm64: link with -z norelro regardless of CONFIG_RELOCATABLE
	x86/PCI: Fix intel_mid_pci.c build error when ACPI is not enabled
	efivarfs: Replace invalid slashes with exclamation marks in dentries.
	chelsio/chtls: fix deadlock issue
	chelsio/chtls: fix memory leaks in CPL handlers
	chelsio/chtls: fix tls record info to user
	gtp: fix an use-before-init in gtp_newlink()
	mlxsw: core: Fix memory leak on module removal
	netem: fix zero division in tabledist
	ravb: Fix bit fields checking in ravb_hwtstamp_get()
	tcp: Prevent low rmem stalls with SO_RCVLOWAT.
	tipc: fix memory leak caused by tipc_buf_append()
	r8169: fix issue with forced threading in combination with shared interrupts
	cxgb4: set up filter action after rewrites
	arch/x86/amd/ibs: Fix re-arming IBS Fetch
	x86/xen: disable Firmware First mode for correctable memory errors
	fuse: fix page dereference after free
	bpf: Fix comment for helper bpf_current_task_under_cgroup()
	evm: Check size of security.evm before using it
	p54: avoid accessing the data mapped to streaming DMA
	cxl: Rework error message for incompatible slots
	RDMA/addr: Fix race with netevent_callback()/rdma_addr_cancel()
	mtd: lpddr: Fix bad logic in print_drs_error
	serial: pl011: Fix lockdep splat when handling magic-sysrq interrupt
	ata: sata_rcar: Fix DMA boundary mask
	fscrypt: return -EXDEV for incompatible rename or link into encrypted dir
	fscrypt: clean up and improve dentry revalidation
	fscrypt: fix race allowing rename() and link() of ciphertext dentries
	fs, fscrypt: clear DCACHE_ENCRYPTED_NAME when unaliasing directory
	fscrypt: only set dentry_operations on ciphertext dentries
	fscrypt: fix race where ->lookup() marks plaintext dentry as ciphertext
	Revert "block: ratelimit handle_bad_sector() message"
	xen/events: don't use chip_data for legacy IRQs
	xen/events: avoid removing an event channel while handling it
	xen/events: add a proper barrier to 2-level uevent unmasking
	xen/events: fix race in evtchn_fifo_unmask()
	xen/events: add a new "late EOI" evtchn framework
	xen/blkback: use lateeoi irq binding
	xen/netback: use lateeoi irq binding
	xen/scsiback: use lateeoi irq binding
	xen/pvcallsback: use lateeoi irq binding
	xen/pciback: use lateeoi irq binding
	xen/events: switch user event channels to lateeoi model
	xen/events: use a common cpu hotplug hook for event channels
	xen/events: defer eoi in case of excessive number of events
	xen/events: block rogue events for some time
	x86/unwind/orc: Fix inactive tasks with stack pointer in %sp on GCC 10 compiled kernels
	mlxsw: core: Fix use-after-free in mlxsw_emad_trans_finish()
	RDMA/qedr: Fix memory leak in iWARP CM
	ata: sata_nv: Fix retrieving of active qcs
	futex: Fix incorrect should_fail_futex() handling
	powerpc/powernv/smp: Fix spurious DBG() warning
	mm: fix exec activate_mm vs TLB shootdown and lazy tlb switching race
	powerpc: select ARCH_WANT_IRQS_OFF_ACTIVATE_MM
	sparc64: remove mm_cpumask clearing to fix kthread_use_mm race
	f2fs: add trace exit in exception path
	f2fs: fix uninit-value in f2fs_lookup
	f2fs: fix to check segment boundary during SIT page readahead
	um: change sigio_spinlock to a mutex
	ARM: 8997/2: hw_breakpoint: Handle inexact watchpoint addresses
	power: supply: bq27xxx: report "not charging" on all types
	xfs: fix realtime bitmap/summary file truncation when growing rt volume
	video: fbdev: pvr2fb: initialize variables
	ath10k: start recovery process when payload length exceeds max htc length for sdio
	ath10k: fix VHT NSS calculation when STBC is enabled
	drm/brige/megachips: Add checking if ge_b850v3_lvds_init() is working correctly
	media: videodev2.h: RGB BT2020 and HSV are always full range
	media: platform: Improve queue set up flow for bug fixing
	usb: typec: tcpm: During PR_SWAP, source caps should be sent only after tSwapSourceStart
	media: tw5864: check status of tw5864_frameinterval_get
	media: imx274: fix frame interval handling
	mmc: via-sdmmc: Fix data race bug
	drm/bridge/synopsys: dsi: add support for non-continuous HS clock
	arm64: topology: Stop using MPIDR for topology information
	printk: reduce LOG_BUF_SHIFT range for H8300
	ia64: kprobes: Use generic kretprobe trampoline handler
	kgdb: Make "kgdbcon" work properly with "kgdb_earlycon"
	media: uvcvideo: Fix dereference of out-of-bound list iterator
	riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
	cpufreq: sti-cpufreq: add stih418 support
	USB: adutux: fix debugging
	uio: free uio id after uio file node is freed
	usb: xhci: omit duplicate actions when suspending a runtime suspended host.
	arm64/mm: return cpu_all_mask when node is NUMA_NO_NODE
	xfs: don't free rt blocks when we're doing a REMAP bunmapi call
	ACPI: Add out of bounds and numa_off protections to pxm_to_node()
	drivers/net/wan/hdlc_fr: Correctly handle special skb->protocol values
	bus/fsl_mc: Do not rely on caller to provide non NULL mc_io
	power: supply: test_power: add missing newlines when printing parameters by sysfs
	drm/amd/display: HDMI remote sink need mode validation for Linux
	btrfs: fix replace of seed device
	md/bitmap: md_bitmap_get_counter returns wrong blocks
	bnxt_en: Log unknown link speed appropriately.
	rpmsg: glink: Use complete_all for open states
	clk: ti: clockdomain: fix static checker warning
	net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid
	drivers: watchdog: rdc321x_wdt: Fix race condition bugs
	ext4: Detect already used quota file early
	gfs2: add validation checks for size of superblock
	cifs: handle -EINTR in cifs_setattr
	arm64: dts: renesas: ulcb: add full-pwr-cycle-in-suspend into eMMC nodes
	ARM: dts: omap4: Fix sgx clock rate for 4430
	memory: emif: Remove bogus debugfs error handling
	ARM: dts: s5pv210: remove DMA controller bus node name to fix dtschema warnings
	ARM: dts: s5pv210: move PMU node out of clock controller
	ARM: dts: s5pv210: remove dedicated 'audio-subsystem' node
	nbd: make the config put is called before the notifying the waiter
	sgl_alloc_order: fix memory leak
	nvme-rdma: fix crash when connect rejected
	md/raid5: fix oops during stripe resizing
	mmc: sdhci-acpi: AMDI0040: Set SDHCI_QUIRK2_PRESET_VALUE_BROKEN
	perf/x86/amd/ibs: Don't include randomized bits in get_ibs_op_count()
	perf/x86/amd/ibs: Fix raw sample data accumulation
	leds: bcm6328, bcm6358: use devres LED registering function
	media: uvcvideo: Fix uvc_ctrl_fixup_xu_info() not having any effect
	fs: Don't invalidate page buffers in block_write_full_page()
	NFS: fix nfs_path in case of a rename retry
	ACPI: button: fix handling lid state changes when input device closed
	ACPI / extlog: Check for RDMSR failure
	ACPI: video: use ACPI backlight for HP 635 Notebook
	ACPI: debug: don't allow debugging when ACPI is disabled
	acpi-cpufreq: Honor _PSD table setting on new AMD CPUs
	w1: mxc_w1: Fix timeout resolution problem leading to bus error
	scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove()
	scsi: qla2xxx: Fix crash on session cleanup with unload
	btrfs: qgroup: fix wrong qgroup metadata reserve for delayed inode
	btrfs: improve device scanning messages
	btrfs: reschedule if necessary when logging directory items
	btrfs: send, recompute reference path after orphanization of a directory
	btrfs: use kvzalloc() to allocate clone_roots in btrfs_ioctl_send()
	btrfs: cleanup cow block on error
	btrfs: fix use-after-free on readahead extent after failure to create it
	usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC
	usb: dwc3: ep0: Fix ZLP for OUT ep0 requests
	usb: dwc3: gadget: Check MPS of the request length
	usb: dwc3: core: add phy cleanup for probe error handling
	usb: dwc3: core: don't trigger runtime pm when remove driver
	usb: cdc-acm: fix cooldown mechanism
	usb: typec: tcpm: reset hard_reset_count for any disconnect
	usb: host: fsl-mph-dr-of: check return of dma_set_mask()
	drm/i915: Force VT'd workarounds when running as a guest OS
	vt: keyboard, simplify vt_kdgkbsent
	vt: keyboard, extend func_buf_lock to readers
	HID: wacom: Avoid entering wacom_wac_pen_report for pad / battery
	udf: Fix memory leak when mounting
	dmaengine: dma-jz4780: Fix race in jz4780_dma_tx_status
	iio:light:si1145: Fix timestamp alignment and prevent data leak.
	iio:adc:ti-adc0832 Fix alignment issue with timestamp
	iio:adc:ti-adc12138 Fix alignment issue with timestamp
	iio:gyro:itg3200: Fix timestamp alignment and prevent data leak.
	powerpc/drmem: Make lmb_size 64 bit
	s390/stp: add locking to sysfs functions
	powerpc/rtas: Restrict RTAS requests from userspace
	powerpc: Warn about use of smt_snooze_delay
	powerpc/powernv/elog: Fix race while processing OPAL error log event.
	powerpc: Fix undetected data corruption with P9N DD2.1 VSX CI load emulation
	NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag
	NFSD: Add missing NFSv2 .pc_func methods
	ubifs: dent: Fix some potential memory leaks while iterating entries
	perf python scripting: Fix printable strings in python3 scripts
	ubi: check kthread_should_stop() after the setting of task state
	ia64: fix build error with !COREDUMP
	i2c: imx: Fix external abort on interrupt in exit paths
	drm/amdgpu: don't map BO in reserved region
	drm/amd/display: Don't invoke kgdb_breakpoint() unconditionally
	ceph: promote to unsigned long long before shifting
	libceph: clear con->out_msg on Policy::stateful_server faults
	9P: Cast to loff_t before multiplying
	ring-buffer: Return 0 on success from ring_buffer_resize()
	vringh: fix __vringh_iov() when riov and wiov are different
	ext4: fix leaking sysfs kobject after failed mount
	ext4: fix error handling code in add_new_gdb
	ext4: fix invalid inode checksum
	drm/ttm: fix eviction valuable range check.
	rtc: rx8010: don't modify the global rtc ops
	tty: make FONTX ioctl use the tty pointer they were actually passed
	arm64: berlin: Select DW_APB_TIMER_OF
	cachefiles: Handle readpage error correctly
	hil/parisc: Disable HIL driver when it gets stuck
	arm: dts: mt7623: add missing pause for switchport
	ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
	ARM: s3c24xx: fix missing system reset
	device property: Keep secondary firmware node secondary by type
	device property: Don't clear secondary pointer for shared primary firmware node
	KVM: arm64: Fix AArch32 handling of DBGD{CCINT,SCRext} and DBGVCR
	staging: comedi: cb_pcidas: Allow 2-channel commands for AO subdevice
	staging: octeon: repair "fixed-link" support
	staging: octeon: Drop on uncorrectable alignment or FCS error
	Linux 4.19.155

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I18fefb5bfaa4d05772c61c2975340d0f089b8e3e
2020-11-05 14:02:27 +01:00
Andy Shevchenko
9169e2f123 device property: Don't clear secondary pointer for shared primary firmware node
commit 99aed92270 upstream.

It appears that firmware nodes can be shared between devices. In such case
when a (child) device is about to be deleted, its firmware node may be shared
and ACPI_COMPANION_SET(..., NULL) call for it breaks the secondary link
of the shared primary firmware node.

In order to prevent that, check, if the device has a parent and parent's
firmware node is shared with its child, and avoid crashing the link.

Fixes: c15e1bdda4 ("device property: Fix the secondary firmware node handling in set_primary_fwnode()")
Reported-by: Ferry Toth <fntoth@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Ferry Toth <fntoth@gmail.com>
Cc: 5.9+ <stable@vger.kernel.org> # 5.9+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-05 11:08:55 +01:00
Andy Shevchenko
76b712488d device property: Keep secondary firmware node secondary by type
commit d5dcce0c41 upstream.

Behind primary and secondary we understand the type of the nodes
which might define their ordering. However, if primary node gone,
we can't maintain the ordering by definition of the linked list.
Thus, by ordering secondary node becomes first in the list.
But in this case the meaning of it is still secondary (or auxiliary).
The type of the node is maintained by the secondary pointer in it:

	secondary pointer		Meaning
	NULL or valid			primary node
	ERR_PTR(-ENODEV)		secondary node

So, if by some reason we do the following sequence of calls

	set_primary_fwnode(dev, NULL);
	set_primary_fwnode(dev, primary);

we should preserve secondary node.

This concept is supported by the description of set_primary_fwnode()
along with implementation of set_secondary_fwnode(). Hence, fix
the commit c15e1bdda4 to follow this as well.

Fixes: c15e1bdda4 ("device property: Fix the secondary firmware node handling in set_primary_fwnode()")
Cc: Ferry Toth <fntoth@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Ferry Toth <fntoth@gmail.com>
Cc: 5.9+ <stable@vger.kernel.org> # 5.9+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-05 11:08:55 +01:00
Tao Huang
439d4e9999 Merge tag 'ASB-2020-11-05_4.19-stable' of https://android.googlesource.com/kernel/common
https://source.android.com/security/bulletin/2020-11-01
CVE-2020-0423

* tag 'ASB-2020-11-05_4.19-stable': (529 commits)
  ANDROID: GKI: Enable DEBUG_INFO_DWARF4
  UPSTREAM: mm/sl[uo]b: export __kmalloc_track(_node)_caller
  BACKPORT: xfrm/compat: Translate 32-bit user_policy from sockptr
  BACKPORT: xfrm/compat: Add 32=>64-bit messages translator
  UPSTREAM: xfrm/compat: Attach xfrm dumps to 64=>32 bit translator
  UPSTREAM: xfrm/compat: Add 64=>32-bit messages translator
  BACKPORT: xfrm: Provide API to register translator module
  ANDROID: Publish uncompressed Image on aarch64
  FROMLIST: crypto: arm64/poly1305-neon - reorder PAC authentication with SP update
  UPSTREAM: crypto: arm64/chacha - fix chacha_4block_xor_neon() for big endian
  UPSTREAM: crypto: arm64/chacha - fix hchacha_block_neon() for big endian
  Linux 4.19.154
  usb: gadget: f_ncm: allow using NCM in SuperSpeed Plus gadgets.
  eeprom: at25: set minimum read/write access stride to 1
  USB: cdc-wdm: Make wdm_flush() interruptible and add wdm_fsync().
  usb: cdc-acm: add quirk to blacklist ETAS ES58X devices
  tty: serial: fsl_lpuart: fix lpuart32_poll_get_char
  net: korina: cast KSEG0 address to pointer in kfree
  ath10k: check idx validity in __ath10k_htt_rx_ring_fill_n()
  scsi: ufs: ufs-qcom: Fix race conditions caused by ufs_qcom_testbus_config()
  ...

Change-Id: I797efa1149f557c1dfab7856813cc40d1a4d60b2

Conflicts:
	drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
	mm/page_alloc.c
2020-11-03 18:36:42 +08:00
Greg Kroah-Hartman
9f80205d66 This is the 4.19.151 stable release
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Merge 4.19.151 into android-4.19-stable

Changes in 4.19.151
	fbdev, newport_con: Move FONT_EXTRA_WORDS macros into linux/font.h
	Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts
	fbcon: Fix global-out-of-bounds read in fbcon_get_font()
	Revert "ravb: Fixed to be able to unload modules"
	net: wireless: nl80211: fix out-of-bounds access in nl80211_del_key()
	drm/nouveau/mem: guard against NULL pointer access in mem_del
	usermodehelper: reset umask to default before executing user process
	platform/x86: intel-vbtn: Fix SW_TABLET_MODE always reporting 1 on the HP Pavilion 11 x360
	platform/x86: thinkpad_acpi: initialize tp_nvram_state variable
	platform/x86: intel-vbtn: Switch to an allow-list for SW_TABLET_MODE reporting
	platform/x86: thinkpad_acpi: re-initialize ACPI buffer size when reuse
	driver core: Fix probe_count imbalance in really_probe()
	perf top: Fix stdio interface input handling with glibc 2.28+
	i2c: i801: Exclude device from suspend direct complete optimization
	mtd: rawnand: sunxi: Fix the probe error path
	arm64: dts: stratix10: add status to qspi dts node
	nvme-core: put ctrl ref when module ref get fail
	macsec: avoid use-after-free in macsec_handle_frame()
	mm/khugepaged: fix filemap page_to_pgoff(page) != offset
	xfrmi: drop ignore_df check before updating pmtu
	cifs: Fix incomplete memory allocation on setxattr path
	i2c: meson: fix clock setting overwrite
	i2c: meson: fixup rate calculation with filter delay
	i2c: owl: Clear NACK and BUS error bits
	sctp: fix sctp_auth_init_hmacs() error path
	team: set dev->needed_headroom in team_setup_by_port()
	net: team: fix memory leak in __team_options_register
	openvswitch: handle DNAT tuple collision
	drm/amdgpu: prevent double kfree ttm->sg
	xfrm: clone XFRMA_SET_MARK in xfrm_do_migrate
	xfrm: clone XFRMA_REPLAY_ESN_VAL in xfrm_do_migrate
	xfrm: clone XFRMA_SEC_CTX in xfrm_do_migrate
	xfrm: clone whole liftime_cur structure in xfrm_do_migrate
	net: stmmac: removed enabling eee in EEE set callback
	platform/x86: fix kconfig dependency warning for FUJITSU_LAPTOP
	xfrm: Use correct address family in xfrm_state_find
	bonding: set dev->needed_headroom in bond_setup_by_slave()
	mdio: fix mdio-thunder.c dependency & build error
	net: usb: ax88179_178a: fix missing stop entry in driver_info
	net/mlx5e: Fix VLAN cleanup flow
	net/mlx5e: Fix VLAN create flow
	rxrpc: Fix rxkad token xdr encoding
	rxrpc: Downgrade the BUG() for unsupported token type in rxrpc_read()
	rxrpc: Fix some missing _bh annotations on locking conn->state_lock
	rxrpc: Fix server keyring leak
	perf: Fix task_function_call() error handling
	mmc: core: don't set limits.discard_granularity as 0
	mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged
	net: usb: rtl8150: set random MAC address when set_ethernet_addr() fails
	Linux 4.19.151

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9ee2b0fc4fc39f27be6ae680529e1046f249a3e6
2020-10-14 12:11:08 +02:00
Tetsuo Handa
fbe293f9a6 driver core: Fix probe_count imbalance in really_probe()
commit b292b50b0e upstream.

syzbot is reporting hung task in wait_for_device_probe() [1]. At least,
we always need to decrement probe_count if we incremented probe_count in
really_probe().

However, since I can't find "Resources present before probing" message in
the console log, both "this message simply flowed off" and "syzbot is not
hitting this path" will be possible. Therefore, while we are at it, let's
also prepare for concurrent wait_for_device_probe() calls by replacing
wake_up() with wake_up_all().

[1] https://syzkaller.appspot.com/bug?id=25c833f1983c9c1d512f4ff860dd0d7f5a2e2c0f

Reported-by: syzbot <syzbot+805f5f6ae37411f15b64@syzkaller.appspotmail.com>
Fixes: 7c35e699c8 ("driver core: Print device when resources present in really_probe()")
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20200713021254.3444-1-penguin-kernel@I-love.SAKURA.ne.jp
[iwamatsu: Drop patch for deferred_probe_timeout_work_func()]
Signed-off-by: Nobuhiro Iwamatsu (CIP) <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-14 10:31:22 +02:00
Tao Huang
0c17cc5fc3 Merge tag 'ASB-2020-10-05_4.19-stable' of https://android.googlesource.com/kernel/common
https://source.android.com/security/bulletin/2020-10-01
Fix for CVE-2020-0423 not yet public.

* tag 'ASB-2020-10-05_4.19-stable': (518 commits)
  ANDROID: use arm-linux-androidkernel- for CROSS_COMPILE_COMPAT
  ANDROID: build.config.common: enable LLVM=1
  Linux 4.19.149
  KVM: arm64: Assume write fault on S1PTW permission fault on instruction fetch
  ata: sata_mv, avoid trigerrable BUG_ON
  ata: make qc_prep return ata_completion_errors
  ata: define AC_ERR_OK
  kprobes: Fix compiler warning for !CONFIG_KPROBES_ON_FTRACE
  s390/zcrypt: Fix ZCRYPT_PERDEV_REQCNT ioctl
  mm, THP, swap: fix allocating cluster for swapfile by mistake
  kprobes: Fix to check probe enabled before disarm_kprobe_ftrace()
  s390/dasd: Fix zero write for FBA devices
  tracing: fix double free
  KVM: SVM: Add a dedicated INVD intercept routine
  KVM: x86: Reset MMU context if guest toggles CR4.SMAP or CR4.PKE
  MIPS: Add the missing 'CPU_1074K' into __get_cpu_type()
  regmap: fix page selection for noinc reads
  ALSA: asihpi: fix iounmap in error handler
  bpf: Fix a rcu warning for bpffs map pretty-print
  batman-adv: mcast: fix duplicate mcast packets from BLA backbone to mesh
  ...

Change-Id: I5af52b9921cfd8b55aba5b7705a8bc1a4f88db74

Conflicts:
	drivers/tty/serial/8250/8250_port.c
	drivers/usb/core/message.c
	drivers/usb/core/quirks.c
2020-10-10 18:38:14 +08:00
Greg Kroah-Hartman
2dce03a5c2 This is the 4.19.150 stable release
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Merge 4.19.150 into android-4.19-stable

Changes in 4.19.150
	mmc: sdhci: Workaround broken command queuing on Intel GLK based IRBIS models
	USB: gadget: f_ncm: Fix NDP16 datagram validation
	gpio: mockup: fix resource leak in error path
	gpio: tc35894: fix up tc35894 interrupt configuration
	clk: socfpga: stratix10: fix the divider for the emac_ptp_free_clk
	vsock/virtio: use RCU to avoid use-after-free on the_virtio_vsock
	vsock/virtio: stop workers during the .remove()
	vsock/virtio: add transport parameter to the virtio_transport_reset_no_sock()
	net: virtio_vsock: Enhance connection semantics
	Input: i8042 - add nopnp quirk for Acer Aspire 5 A515
	ftrace: Move RCU is watching check after recursion check
	drm/amdgpu: restore proper ref count in amdgpu_display_crtc_set_config
	drivers/net/wan/hdlc_fr: Add needed_headroom for PVC devices
	drm/sun4i: mixer: Extend regmap max_register
	net: dec: de2104x: Increase receive ring size for Tulip
	rndis_host: increase sleep time in the query-response loop
	nvme-core: get/put ctrl and transport module in nvme_dev_open/release()
	drivers/net/wan/lapbether: Make skb->protocol consistent with the header
	drivers/net/wan/hdlc: Set skb->protocol before transmitting
	mac80211: do not allow bigger VHT MPDUs than the hardware supports
	spi: fsl-espi: Only process interrupts for expected events
	nvme-fc: fail new connections to a deleted host or remote port
	gpio: sprd: Clear interrupt when setting the type as edge
	pinctrl: mvebu: Fix i2c sda definition for 98DX3236
	nfs: Fix security label length not being reset
	clk: samsung: exynos4: mark 'chipid' clock as CLK_IGNORE_UNUSED
	iommu/exynos: add missing put_device() call in exynos_iommu_of_xlate()
	i2c: cpm: Fix i2c_ram structure
	Input: trackpoint - enable Synaptics trackpoints
	random32: Restore __latent_entropy attribute on net_rand_state
	mm: replace memmap_context by meminit_context
	mm: don't rely on system state to detect hot-plug operations
	net/packet: fix overflow in tpacket_rcv
	epoll: do not insert into poll queues until all sanity checks are done
	epoll: replace ->visited/visited_list with generation count
	epoll: EPOLL_CTL_ADD: close the race in decision to take fast path
	ep_create_wakeup_source(): dentry name can change under you...
	netfilter: ctnetlink: add a range check for l3/l4 protonum
	Linux 4.19.150

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib6f1b6fce01bec80efd4a905d03903ff20ca89be
2020-10-07 08:45:35 +02:00
Laurent Dufour
b6f69f72c1 mm: don't rely on system state to detect hot-plug operations
commit f85086f95f upstream.

In register_mem_sect_under_node() the system_state's value is checked to
detect whether the call is made during boot time or during an hot-plug
operation.  Unfortunately, that check against SYSTEM_BOOTING is wrong
because regular memory is registered at SYSTEM_SCHEDULING state.  In
addition, memory hot-plug operation can be triggered at this system
state by the ACPI [1].  So checking against the system state is not
enough.

The consequence is that on system with interleaved node's ranges like this:

 Early memory node ranges
   node   1: [mem 0x0000000000000000-0x000000011fffffff]
   node   2: [mem 0x0000000120000000-0x000000014fffffff]
   node   1: [mem 0x0000000150000000-0x00000001ffffffff]
   node   0: [mem 0x0000000200000000-0x000000048fffffff]
   node   2: [mem 0x0000000490000000-0x00000007ffffffff]

This can be seen on PowerPC LPAR after multiple memory hot-plug and
hot-unplug operations are done.  At the next reboot the node's memory
ranges can be interleaved and since the call to link_mem_sections() is
made in topology_init() while the system is in the SYSTEM_SCHEDULING
state, the node's id is not checked, and the sections registered to
multiple nodes:

  $ ls -l /sys/devices/system/memory/memory21/node*
  total 0
  lrwxrwxrwx 1 root root     0 Aug 24 05:27 node1 -> ../../node/node1
  lrwxrwxrwx 1 root root     0 Aug 24 05:27 node2 -> ../../node/node2

In that case, the system is able to boot but if later one of theses
memory blocks is hot-unplugged and then hot-plugged, the sysfs
inconsistency is detected and this is triggering a BUG_ON():

  kernel BUG at /Users/laurent/src/linux-ppc/mm/memory_hotplug.c:1084!
  Oops: Exception in kernel mode, sig: 5 [#1]
  LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries
  Modules linked in: rpadlpar_io rpaphp pseries_rng rng_core vmx_crypto gf128mul binfmt_misc ip_tables x_tables xfs libcrc32c crc32c_vpmsum autofs4
  CPU: 8 PID: 10256 Comm: drmgr Not tainted 5.9.0-rc1+ #25
  Call Trace:
    add_memory_resource+0x23c/0x340 (unreliable)
    __add_memory+0x5c/0xf0
    dlpar_add_lmb+0x1b4/0x500
    dlpar_memory+0x1f8/0xb80
    handle_dlpar_errorlog+0xc0/0x190
    dlpar_store+0x198/0x4a0
    kobj_attr_store+0x30/0x50
    sysfs_kf_write+0x64/0x90
    kernfs_fop_write+0x1b0/0x290
    vfs_write+0xe8/0x290
    ksys_write+0xdc/0x130
    system_call_exception+0x160/0x270
    system_call_common+0xf0/0x27c

This patch addresses the root cause by not relying on the system_state
value to detect whether the call is due to a hot-plug operation.  An
extra parameter is added to link_mem_sections() detailing whether the
operation is due to a hot-plug operation.

[1] According to Oscar Salvador, using this qemu command line, ACPI
memory hotplug operations are raised at SYSTEM_SCHEDULING state:

  $QEMU -enable-kvm -machine pc -smp 4,sockets=4,cores=1,threads=1 -cpu host -monitor pty \
        -m size=$MEM,slots=255,maxmem=4294967296k  \
        -numa node,nodeid=0,cpus=0-3,mem=512 -numa node,nodeid=1,mem=512 \
        -object memory-backend-ram,id=memdimm0,size=134217728 -device pc-dimm,node=0,memdev=memdimm0,id=dimm0,slot=0 \
        -object memory-backend-ram,id=memdimm1,size=134217728 -device pc-dimm,node=0,memdev=memdimm1,id=dimm1,slot=1 \
        -object memory-backend-ram,id=memdimm2,size=134217728 -device pc-dimm,node=0,memdev=memdimm2,id=dimm2,slot=2 \
        -object memory-backend-ram,id=memdimm3,size=134217728 -device pc-dimm,node=0,memdev=memdimm3,id=dimm3,slot=3 \
        -object memory-backend-ram,id=memdimm4,size=134217728 -device pc-dimm,node=1,memdev=memdimm4,id=dimm4,slot=4 \
        -object memory-backend-ram,id=memdimm5,size=134217728 -device pc-dimm,node=1,memdev=memdimm5,id=dimm5,slot=5 \
        -object memory-backend-ram,id=memdimm6,size=134217728 -device pc-dimm,node=1,memdev=memdimm6,id=dimm6,slot=6 \

Fixes: 4fbce63391 ("mm/memory_hotplug.c: make register_mem_sect_under_node() a callback of walk_memory_range()")
Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Nathan Lynch <nathanl@linux.ibm.com>
Cc: Scott Cheloha <cheloha@linux.ibm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20200915094143.79181-3-ldufour@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-07 08:00:08 +02:00
Greg Kroah-Hartman
9ce79d9bed This is the 4.19.149 stable release
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Merge 4.19.149 into android-4.19-stable

Changes in 4.19.149
	selinux: allow labeling before policy is loaded
	media: mc-device.c: fix memleak in media_device_register_entity
	dma-fence: Serialise signal enabling (dma_fence_enable_sw_signaling)
	ath10k: fix array out-of-bounds access
	ath10k: fix memory leak for tpc_stats_final
	mm: fix double page fault on arm64 if PTE_AF is cleared
	scsi: aacraid: fix illegal IO beyond last LBA
	m68k: q40: Fix info-leak in rtc_ioctl
	gma/gma500: fix a memory disclosure bug due to uninitialized bytes
	ASoC: kirkwood: fix IRQ error handling
	media: smiapp: Fix error handling at NVM reading
	arch/x86/lib/usercopy_64.c: fix __copy_user_flushcache() cache writeback
	x86/ioapic: Unbreak check_timer()
	ALSA: usb-audio: Add delay quirk for H570e USB headsets
	ALSA: hda/realtek - Couldn't detect Mic if booting with headset plugged
	ALSA: hda/realtek: Enable front panel headset LED on Lenovo ThinkStation P520
	lib/string.c: implement stpcpy
	leds: mlxreg: Fix possible buffer overflow
	PM / devfreq: tegra30: Fix integer overflow on CPU's freq max out
	scsi: fnic: fix use after free
	scsi: lpfc: Fix kernel crash at lpfc_nvme_info_show during remote port bounce
	net: silence data-races on sk_backlog.tail
	clk/ti/adpll: allocate room for terminating null
	drm/amdgpu/powerplay: fix AVFS handling with custom powerplay table
	mtd: cfi_cmdset_0002: don't free cfi->cfiq in error path of cfi_amdstd_setup()
	mfd: mfd-core: Protect against NULL call-back function pointer
	drm/amdgpu/powerplay/smu7: fix AVFS handling with custom powerplay table
	tpm_crb: fix fTPM on AMD Zen+ CPUs
	tracing: Adding NULL checks for trace_array descriptor pointer
	bcache: fix a lost wake-up problem caused by mca_cannibalize_lock
	dmaengine: mediatek: hsdma_probe: fixed a memory leak when devm_request_irq fails
	RDMA/qedr: Fix potential use after free
	RDMA/i40iw: Fix potential use after free
	fix dget_parent() fastpath race
	xfs: fix attr leaf header freemap.size underflow
	RDMA/iw_cgxb4: Fix an error handling path in 'c4iw_connect()'
	ubi: Fix producing anchor PEBs
	mmc: core: Fix size overflow for mmc partitions
	gfs2: clean up iopen glock mess in gfs2_create_inode
	scsi: pm80xx: Cleanup command when a reset times out
	debugfs: Fix !DEBUG_FS debugfs_create_automount
	CIFS: Properly process SMB3 lease breaks
	ASoC: max98090: remove msleep in PLL unlocked workaround
	kernel/sys.c: avoid copying possible padding bytes in copy_to_user
	KVM: arm/arm64: vgic: Fix potential double free dist->spis in __kvm_vgic_destroy()
	xfs: fix log reservation overflows when allocating large rt extents
	neigh_stat_seq_next() should increase position index
	rt_cpu_seq_next should increase position index
	ipv6_route_seq_next should increase position index
	seqlock: Require WRITE_ONCE surrounding raw_seqcount_barrier
	media: ti-vpe: cal: Restrict DMA to avoid memory corruption
	sctp: move trace_sctp_probe_path into sctp_outq_sack
	ACPI: EC: Reference count query handlers under lock
	scsi: ufs: Make ufshcd_add_command_trace() easier to read
	scsi: ufs: Fix a race condition in the tracing code
	dmaengine: zynqmp_dma: fix burst length configuration
	s390/cpum_sf: Use kzalloc and minor changes
	powerpc/eeh: Only dump stack once if an MMIO loop is detected
	Bluetooth: btrtl: Use kvmalloc for FW allocations
	tracing: Set kernel_stack's caller size properly
	ARM: 8948/1: Prevent OOB access in stacktrace
	ar5523: Add USB ID of SMCWUSBT-G2 wireless adapter
	ceph: ensure we have a new cap before continuing in fill_inode
	selftests/ftrace: fix glob selftest
	tools/power/x86/intel_pstate_tracer: changes for python 3 compatibility
	Bluetooth: Fix refcount use-after-free issue
	mm/swapfile.c: swap_next should increase position index
	mm: pagewalk: fix termination condition in walk_pte_range()
	Bluetooth: prefetch channel before killing sock
	KVM: fix overflow of zero page refcount with ksm running
	ALSA: hda: Clear RIRB status before reading WP
	skbuff: fix a data race in skb_queue_len()
	audit: CONFIG_CHANGE don't log internal bookkeeping as an event
	selinux: sel_avc_get_stat_idx should increase position index
	scsi: lpfc: Fix RQ buffer leakage when no IOCBs available
	scsi: lpfc: Fix coverity errors in fmdi attribute handling
	drm/omap: fix possible object reference leak
	clk: stratix10: use do_div() for 64-bit calculation
	crypto: chelsio - This fixes the kernel panic which occurs during a libkcapi test
	mt76: clear skb pointers from rx aggregation reorder buffer during cleanup
	ALSA: usb-audio: Don't create a mixer element with bogus volume range
	perf test: Fix test trace+probe_vfs_getname.sh on s390
	RDMA/rxe: Fix configuration of atomic queue pair attributes
	KVM: x86: fix incorrect comparison in trace event
	dmaengine: stm32-mdma: use vchan_terminate_vdesc() in .terminate_all
	media: staging/imx: Missing assignment in imx_media_capture_device_register()
	x86/pkeys: Add check for pkey "overflow"
	bpf: Remove recursion prevention from rcu free callback
	dmaengine: stm32-dma: use vchan_terminate_vdesc() in .terminate_all
	dmaengine: tegra-apb: Prevent race conditions on channel's freeing
	drm/amd/display: dal_ddc_i2c_payloads_create can fail causing panic
	firmware: arm_sdei: Use cpus_read_lock() to avoid races with cpuhp
	random: fix data races at timer_rand_state
	bus: hisi_lpc: Fixup IO ports addresses to avoid use-after-free in host removal
	media: go7007: Fix URB type for interrupt handling
	Bluetooth: guard against controllers sending zero'd events
	timekeeping: Prevent 32bit truncation in scale64_check_overflow()
	ext4: fix a data race at inode->i_disksize
	perf jevents: Fix leak of mapfile memory
	mm: avoid data corruption on CoW fault into PFN-mapped VMA
	drm/amdgpu: increase atombios cmd timeout
	drm/amd/display: Stop if retimer is not available
	ath10k: use kzalloc to read for ath10k_sdio_hif_diag_read
	scsi: aacraid: Disabling TM path and only processing IOP reset
	Bluetooth: L2CAP: handle l2cap config request during open state
	media: tda10071: fix unsigned sign extension overflow
	xfs: don't ever return a stale pointer from __xfs_dir3_free_read
	xfs: mark dir corrupt when lookup-by-hash fails
	ext4: mark block bitmap corrupted when found instead of BUGON
	tpm: ibmvtpm: Wait for buffer to be set before proceeding
	rtc: sa1100: fix possible race condition
	rtc: ds1374: fix possible race condition
	nfsd: Don't add locks to closed or closing open stateids
	RDMA/cm: Remove a race freeing timewait_info
	KVM: PPC: Book3S HV: Treat TM-related invalid form instructions on P9 like the valid ones
	drm/msm: fix leaks if initialization fails
	drm/msm/a5xx: Always set an OPP supported hardware value
	tracing: Use address-of operator on section symbols
	thermal: rcar_thermal: Handle probe error gracefully
	perf parse-events: Fix 3 use after frees found with clang ASAN
	serial: 8250_port: Don't service RX FIFO if throttled
	serial: 8250_omap: Fix sleeping function called from invalid context during probe
	serial: 8250: 8250_omap: Terminate DMA before pushing data on RX timeout
	perf cpumap: Fix snprintf overflow check
	cpufreq: powernv: Fix frame-size-overflow in powernv_cpufreq_work_fn
	tools: gpio-hammer: Avoid potential overflow in main
	nvme-multipath: do not reset on unknown status
	nvme: Fix controller creation races with teardown flow
	RDMA/rxe: Set sys_image_guid to be aligned with HW IB devices
	scsi: hpsa: correct race condition in offload enabled
	SUNRPC: Fix a potential buffer overflow in 'svc_print_xprts()'
	svcrdma: Fix leak of transport addresses
	PCI: Use ioremap(), not phys_to_virt() for platform ROM
	ubifs: Fix out-of-bounds memory access caused by abnormal value of node_len
	ALSA: usb-audio: Fix case when USB MIDI interface has more than one extra endpoint descriptor
	PCI: pciehp: Fix MSI interrupt race
	NFS: Fix races nfs_page_group_destroy() vs nfs_destroy_unlinked_subrequests()
	mm/kmemleak.c: use address-of operator on section symbols
	mm/filemap.c: clear page error before actual read
	mm/vmscan.c: fix data races using kswapd_classzone_idx
	nvmet-rdma: fix double free of rdma queue
	mm/mmap.c: initialize align_offset explicitly for vm_unmapped_area
	scsi: qedi: Fix termination timeouts in session logout
	serial: uartps: Wait for tx_empty in console setup
	KVM: Remove CREATE_IRQCHIP/SET_PIT2 race
	bdev: Reduce time holding bd_mutex in sync in blkdev_close()
	drivers: char: tlclk.c: Avoid data race between init and interrupt handler
	KVM: arm64: vgic-its: Fix memory leak on the error path of vgic_add_lpi()
	net: openvswitch: use u64 for meter bucket
	scsi: aacraid: Fix error handling paths in aac_probe_one()
	staging:r8188eu: avoid skb_clone for amsdu to msdu conversion
	sparc64: vcc: Fix error return code in vcc_probe()
	arm64: cpufeature: Relax checks for AArch32 support at EL[0-2]
	dt-bindings: sound: wm8994: Correct required supplies based on actual implementaion
	atm: fix a memory leak of vcc->user_back
	perf mem2node: Avoid double free related to realloc
	power: supply: max17040: Correct voltage reading
	phy: samsung: s5pv210-usb2: Add delay after reset
	Bluetooth: Handle Inquiry Cancel error after Inquiry Complete
	USB: EHCI: ehci-mv: fix error handling in mv_ehci_probe()
	tipc: fix memory leak in service subscripting
	tty: serial: samsung: Correct clock selection logic
	ALSA: hda: Fix potential race in unsol event handler
	powerpc/traps: Make unrecoverable NMIs die instead of panic
	fuse: don't check refcount after stealing page
	USB: EHCI: ehci-mv: fix less than zero comparison of an unsigned int
	scsi: cxlflash: Fix error return code in cxlflash_probe()
	arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register
	e1000: Do not perform reset in reset_task if we are already down
	drm/nouveau/debugfs: fix runtime pm imbalance on error
	drm/nouveau: fix runtime pm imbalance on error
	drm/nouveau/dispnv50: fix runtime pm imbalance on error
	printk: handle blank console arguments passed in.
	usb: dwc3: Increase timeout for CmdAct cleared by device controller
	btrfs: don't force read-only after error in drop snapshot
	vfio/pci: fix memory leaks of eventfd ctx
	perf evsel: Fix 2 memory leaks
	perf trace: Fix the selection for architectures to generate the errno name tables
	perf stat: Fix duration_time value for higher intervals
	perf util: Fix memory leak of prefix_if_not_in
	perf metricgroup: Free metric_events on error
	perf kcore_copy: Fix module map when there are no modules loaded
	ASoC: img-i2s-out: Fix runtime PM imbalance on error
	wlcore: fix runtime pm imbalance in wl1271_tx_work
	wlcore: fix runtime pm imbalance in wlcore_regdomain_config
	mtd: rawnand: omap_elm: Fix runtime PM imbalance on error
	PCI: tegra: Fix runtime PM imbalance on error
	ceph: fix potential race in ceph_check_caps
	mm/swap_state: fix a data race in swapin_nr_pages
	rapidio: avoid data race between file operation callbacks and mport_cdev_add().
	mtd: parser: cmdline: Support MTD names containing one or more colons
	x86/speculation/mds: Mark mds_user_clear_cpu_buffers() __always_inline
	vfio/pci: Clear error and request eventfd ctx after releasing
	cifs: Fix double add page to memcg when cifs_readpages
	nvme: fix possible deadlock when I/O is blocked
	scsi: libfc: Handling of extra kref
	scsi: libfc: Skip additional kref updating work event
	selftests/x86/syscall_nt: Clear weird flags after each test
	vfio/pci: fix racy on error and request eventfd ctx
	btrfs: qgroup: fix data leak caused by race between writeback and truncate
	ubi: fastmap: Free unused fastmap anchor peb during detach
	perf parse-events: Use strcmp() to compare the PMU name
	net: openvswitch: use div_u64() for 64-by-32 divisions
	nvme: explicitly update mpath disk capacity on revalidation
	ASoC: wm8994: Skip setting of the WM8994_MICBIAS register for WM1811
	ASoC: wm8994: Ensure the device is resumed in wm89xx_mic_detect functions
	ASoC: Intel: bytcr_rt5640: Add quirk for MPMAN Converter9 2-in-1
	RISC-V: Take text_mutex in ftrace_init_nop()
	s390/init: add missing __init annotations
	lockdep: fix order in trace_hardirqs_off_caller()
	drm/amdkfd: fix a memory leak issue
	i2c: core: Call i2c_acpi_install_space_handler() before i2c_acpi_register_devices()
	objtool: Fix noreturn detection for ignored functions
	ieee802154: fix one possible memleak in ca8210_dev_com_init
	ieee802154/adf7242: check status of adf7242_read_reg
	clocksource/drivers/h8300_timer8: Fix wrong return value in h8300_8timer_init()
	mwifiex: Increase AES key storage size to 256 bits
	batman-adv: bla: fix type misuse for backbone_gw hash indexing
	atm: eni: fix the missed pci_disable_device() for eni_init_one()
	batman-adv: mcast/TT: fix wrongly dropped or rerouted packets
	mac802154: tx: fix use-after-free
	bpf: Fix clobbering of r2 in bpf_gen_ld_abs
	drm/vc4/vc4_hdmi: fill ASoC card owner
	net: qed: RDMA personality shouldn't fail VF load
	drm/sun4i: sun8i-csc: Secondary CSC register correction
	batman-adv: Add missing include for in_interrupt()
	batman-adv: mcast: fix duplicate mcast packets in BLA backbone from mesh
	batman-adv: mcast: fix duplicate mcast packets from BLA backbone to mesh
	bpf: Fix a rcu warning for bpffs map pretty-print
	ALSA: asihpi: fix iounmap in error handler
	regmap: fix page selection for noinc reads
	MIPS: Add the missing 'CPU_1074K' into __get_cpu_type()
	KVM: x86: Reset MMU context if guest toggles CR4.SMAP or CR4.PKE
	KVM: SVM: Add a dedicated INVD intercept routine
	tracing: fix double free
	s390/dasd: Fix zero write for FBA devices
	kprobes: Fix to check probe enabled before disarm_kprobe_ftrace()
	mm, THP, swap: fix allocating cluster for swapfile by mistake
	s390/zcrypt: Fix ZCRYPT_PERDEV_REQCNT ioctl
	kprobes: Fix compiler warning for !CONFIG_KPROBES_ON_FTRACE
	ata: define AC_ERR_OK
	ata: make qc_prep return ata_completion_errors
	ata: sata_mv, avoid trigerrable BUG_ON
	KVM: arm64: Assume write fault on S1PTW permission fault on instruction fetch
	Linux 4.19.149

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Idfc1b35ec63b4b464aeb6e32709102bee0efc872
2020-10-01 16:49:05 +02:00
Dmitry Baryshkov
7b038e4deb regmap: fix page selection for noinc reads
[ Upstream commit 4003324856 ]

Non-incrementing reads can fail if register + length crosses page
border. However for non-incrementing reads we should not check for page
border crossing. Fix this by passing additional flag to _regmap_raw_read
and passing length to _regmap_select_page basing on the flag.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 74fe7b551f ("regmap: Add regmap_noinc_read API")
Link: https://lore.kernel.org/r/20200917153405.3139200-1-dmitry.baryshkov@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:14:53 +02:00
Tao Huang
48f4e7f7c2 Merge tag 'ASB-2020-09-05_4.19-stable' of https://android.googlesource.com/kernel/common
https://source.android.com/security/bulletin/2020-09-01
CVE-2020-0402
CVE-2020-0404
CVE-2020-0407

* tag 'ASB-2020-09-05_4.19-stable': (3616 commits)
  Linux 4.19.143
  ALSA: usb-audio: Update documentation comment for MS2109 quirk
  HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
  tpm: Unify the mismatching TPM space buffer sizes
  usb: dwc3: gadget: Handle ZLP for sg requests
  usb: dwc3: gadget: Fix handling ZLP
  usb: dwc3: gadget: Don't setup more than requested
  btrfs: check the right error variable in btrfs_del_dir_entries_in_log
  usb: storage: Add unusual_uas entry for Sony PSZ drives
  USB: cdc-acm: rework notification_buffer resizing
  USB: gadget: u_f: Unbreak offset calculation in VLAs
  USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
  USB: gadget: u_f: add overflow checks to VLA macros
  usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
  USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
  USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D
  USB: quirks: Add no-lpm quirk for another Raydium touchscreen
  usb: uas: Add quirk for PNY Pro Elite
  USB: yurex: Fix bad gfp argument
  drm/amd/pm: correct Vega12 swctf limit setting
  ...

Change-Id: Iece02c55e9b3446bdda5dc7bdfbe3e310b2dbc83

Conflicts:
	arch/arm/boot/dts/rk322x.dtsi
	arch/arm64/boot/dts/rockchip/rk3399.dtsi
	arch/arm64/kernel/cpuinfo.c
	drivers/clk/clk.c
	drivers/clk/rockchip/clk-cpu.c
	drivers/clk/rockchip/clk-rk3228.c
	drivers/devfreq/governor_simpleondemand.c
	drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
	drivers/gpu/drm/drm_edid.c
	drivers/hid/usbhid/hid-core.c
	drivers/media/i2c/ov5695.c
	drivers/media/v4l2-core/v4l2-ioctl.c
	drivers/regulator/core.c
	drivers/thermal/cpu_cooling.c
	drivers/usb/core/quirks.c
	drivers/usb/dwc2/platform.c
	drivers/usb/dwc3/core.c
	drivers/usb/dwc3/core.h
	drivers/usb/dwc3/gadget.c
	drivers/usb/host/ehci-platform.c
	drivers/usb/storage/unusual_uas.h
	include/drm/drm_connector.h
	include/linux/clk-provider.h
	include/linux/devfreq.h
	include/linux/pci_ids.h
	kernel/power/wakeup_reason.c
	mm/memory.c
	mm/swapfile.c
2020-09-24 17:59:50 +08:00
Greg Kroah-Hartman
a13ec5ea86 This is the 4.19.143 stable release
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Merge 4.19.143 into android-4.19-stable

Changes in 4.19.143
	powerpc/64s: Don't init FSCR_DSCR in __init_FSCR()
	gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
	net: Fix potential wrong skb->protocol in skb_vlan_untag()
	net: qrtr: fix usage of idr in port assignment to socket
	net/smc: Prevent kernel-infoleak in __smc_diag_dump()
	tipc: fix uninit skb->data in tipc_nl_compat_dumpit()
	net: ena: Make missed_tx stat incremental
	ipvlan: fix device features
	ALSA: pci: delete repeated words in comments
	ASoC: img: Fix a reference count leak in img_i2s_in_set_fmt
	ASoC: img-parallel-out: Fix a reference count leak
	ASoC: tegra: Fix reference count leaks.
	mfd: intel-lpss: Add Intel Emmitsburg PCH PCI IDs
	arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep
	powerpc/xive: Ignore kmemleak false positives
	media: pci: ttpci: av7110: fix possible buffer overflow caused by bad DMA value in debiirq()
	blktrace: ensure our debugfs dir exists
	scsi: target: tcmu: Fix crash on ARM during cmd completion
	iommu/iova: Don't BUG on invalid PFNs
	drm/amdkfd: Fix reference count leaks.
	drm/radeon: fix multiple reference count leak
	drm/amdgpu: fix ref count leak in amdgpu_driver_open_kms
	drm/amd/display: fix ref count leak in amdgpu_drm_ioctl
	drm/amdgpu: fix ref count leak in amdgpu_display_crtc_set_config
	drm/amdgpu/display: fix ref count leak when pm_runtime_get_sync fails
	scsi: lpfc: Fix shost refcount mismatch when deleting vport
	xfs: Don't allow logging of XFS_ISTALE inodes
	selftests/powerpc: Purge extra count_pmc() calls of ebb selftests
	f2fs: fix error path in do_recover_data()
	omapfb: fix multiple reference count leaks due to pm_runtime_get_sync
	PCI: Fix pci_create_slot() reference count leak
	ARM: dts: ls1021a: output PPS signal on FIPER2
	rtlwifi: rtl8192cu: Prevent leaking urb
	mips/vdso: Fix resource leaks in genvdso.c
	cec-api: prevent leaking memory through hole in structure
	HID: quirks: add NOGET quirk for Logitech GROUP
	f2fs: fix use-after-free issue
	drm/nouveau/drm/noveau: fix reference count leak in nouveau_fbcon_open
	drm/nouveau: fix reference count leak in nv50_disp_atomic_commit
	drm/nouveau: Fix reference count leak in nouveau_connector_detect
	locking/lockdep: Fix overflow in presentation of average lock-time
	btrfs: file: reserve qgroup space after the hole punch range is locked
	scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
	ceph: fix potential mdsc use-after-free crash
	scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del()
	EDAC/ie31200: Fallback if host bridge device is already initialized
	KVM: arm64: Fix symbol dependency in __hyp_call_panic_nvhe
	powerpc/spufs: add CONFIG_COREDUMP dependency
	USB: sisusbvga: Fix a potential UB casued by left shifting a negative value
	efi: provide empty efi_enter_virtual_mode implementation
	Revert "ath10k: fix DMA related firmware crashes on multiple devices"
	media: gpio-ir-tx: improve precision of transmitted signal due to scheduling
	drm/msm/adreno: fix updating ring fence
	nvme-fc: Fix wrong return value in __nvme_fc_init_request()
	null_blk: fix passing of REQ_FUA flag in null_handle_rq
	i2c: rcar: in slave mode, clear NACK earlier
	usb: gadget: f_tcm: Fix some resource leaks in some error paths
	jbd2: make sure jh have b_transaction set in refile/unfile_buffer
	ext4: don't BUG on inconsistent journal feature
	ext4: handle read only external journal device
	jbd2: abort journal if free a async write error metadata buffer
	ext4: handle option set by mount flags correctly
	ext4: handle error of ext4_setup_system_zone() on remount
	ext4: correctly restore system zone info when remount fails
	fs: prevent BUG_ON in submit_bh_wbc()
	spi: stm32: fix stm32_spi_prepare_mbr in case of odd clk_rate
	s390/cio: add cond_resched() in the slow_eval_known_fn() loop
	ASoC: wm8994: Avoid attempts to read unreadable registers
	scsi: fcoe: Fix I/O path allocation
	scsi: ufs: Fix possible infinite loop in ufshcd_hold
	scsi: ufs: Improve interrupt handling for shared interrupts
	scsi: ufs: Clean up completed request without interrupt notification
	scsi: qla2xxx: Check if FW supports MQ before enabling
	scsi: qla2xxx: Fix null pointer access during disconnect from subsystem
	Revert "scsi: qla2xxx: Fix crash on qla2x00_mailbox_command"
	macvlan: validate setting of multiple remote source MAC addresses
	net: gianfar: Add of_node_put() before goto statement
	powerpc/perf: Fix soft lockups due to missed interrupt accounting
	block: loop: set discard granularity and alignment for block device backed loop
	HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
	blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART
	btrfs: reset compression level for lzo on remount
	btrfs: fix space cache memory leak after transaction abort
	fbcon: prevent user font height or width change from causing potential out-of-bounds access
	USB: lvtest: return proper error code in probe
	vt: defer kfree() of vc_screenbuf in vc_do_resize()
	vt_ioctl: change VT_RESIZEX ioctl to check for error return from vc_resize()
	serial: samsung: Removes the IRQ not found warning
	serial: pl011: Fix oops on -EPROBE_DEFER
	serial: pl011: Don't leak amba_ports entry on driver register error
	serial: 8250_exar: Fix number of ports for Commtech PCIe cards
	serial: 8250: change lock order in serial8250_do_startup()
	writeback: Protect inode->i_io_list with inode->i_lock
	writeback: Avoid skipping inode writeback
	writeback: Fix sync livelock due to b_dirty_time processing
	XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.
	usb: host: xhci: fix ep context print mismatch in debugfs
	xhci: Do warm-reset when both CAS and XDEV_RESUME are set
	xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed
	PM: sleep: core: Fix the handling of pending runtime resume requests
	device property: Fix the secondary firmware node handling in set_primary_fwnode()
	genirq/matrix: Deal with the sillyness of for_each_cpu() on UP
	irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by mistake
	drm/amdgpu: Fix buffer overflow in INFO ioctl
	drm/amd/pm: correct Vega10 swctf limit setting
	drm/amd/pm: correct Vega12 swctf limit setting
	USB: yurex: Fix bad gfp argument
	usb: uas: Add quirk for PNY Pro Elite
	USB: quirks: Add no-lpm quirk for another Raydium touchscreen
	USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D
	USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
	usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
	USB: gadget: u_f: add overflow checks to VLA macros
	USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
	USB: gadget: u_f: Unbreak offset calculation in VLAs
	USB: cdc-acm: rework notification_buffer resizing
	usb: storage: Add unusual_uas entry for Sony PSZ drives
	btrfs: check the right error variable in btrfs_del_dir_entries_in_log
	usb: dwc3: gadget: Don't setup more than requested
	usb: dwc3: gadget: Fix handling ZLP
	usb: dwc3: gadget: Handle ZLP for sg requests
	tpm: Unify the mismatching TPM space buffer sizes
	HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
	ALSA: usb-audio: Update documentation comment for MS2109 quirk
	Linux 4.19.143

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8b6e29eda77bd69df30132842cf28019c8e7c1a3
2020-09-03 13:19:20 +02:00
Heikki Krogerus
9d57313ce1 device property: Fix the secondary firmware node handling in set_primary_fwnode()
commit c15e1bdda4 upstream.

When the primary firmware node pointer is removed from a
device (set to NULL) the secondary firmware node pointer,
when it exists, is made the primary node for the device.
However, the secondary firmware node pointer of the original
primary firmware node is never cleared (set to NULL).

To avoid situation where the secondary firmware node pointer
is pointing to a non-existing object, clearing it properly
when the primary node is removed from a device in
set_primary_fwnode().

Fixes: 97badf873a ("device property: Make it possible to use secondary firmware nodes")
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03 11:24:29 +02:00
Rafael J. Wysocki
517b087a70 PM: sleep: core: Fix the handling of pending runtime resume requests
commit e3eb6e8fba upstream.

It has been reported that system-wide suspend may be aborted in the
absence of any wakeup events due to unforseen interactions of it with
the runtume PM framework.

One failing scenario is when there are multiple devices sharing an
ACPI power resource and runtime-resume needs to be carried out for
one of them during system-wide suspend (for example, because it needs
to be reconfigured before the whole system goes to sleep).  In that
case, the runtime-resume of that device involves turning the ACPI
power resource "on" which in turn causes runtime-resume requests
to be queued up for all of the other devices sharing it.  Those
requests go to the runtime PM workqueue which is frozen during
system-wide suspend, so they are not actually taken care of until
the resume of the whole system, but the pm_runtime_barrier()
call in __device_suspend() sees them and triggers system wakeup
events for them which then cause the system-wide suspend to be
aborted if wakeup source objects are in active use.

Of course, the logic that leads to triggering those wakeup events is
questionable in the first place, because clearly there are cases in
which a pending runtime resume request for a device is not connected
to any real wakeup events in any way (like the one above).  Moreover,
it is racy, because the device may be resuming already by the time
the pm_runtime_barrier() runs and so if the driver doesn't take care
of signaling the wakeup event as appropriate, it will be lost.
However, if the driver does take care of that, the extra
pm_wakeup_event() call in the core is redundant.

Accordingly, drop the conditional pm_wakeup_event() call fron
__device_suspend() and make the latter call pm_runtime_barrier()
alone.  Also modify the comment next to that call to reflect the new
code and extend it to mention the need to avoid unwanted interactions
between runtime PM and system-wide device suspend callbacks.

Fixes: 1e2ef05bb8 ("PM: Limit race conditions between runtime PM and system sleep (v2)")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Utkarsh H Patel <utkarsh.h.patel@intel.com>
Tested-by: Utkarsh H Patel <utkarsh.h.patel@intel.com>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03 11:24:29 +02:00
Greg Kroah-Hartman
369c9d2963 This is the 4.19.141 stable release
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Merge 4.19.141 into android-4.19-stable

Changes in 4.19.141
	smb3: warn on confusing error scenario with sec=krb5
	genirq/affinity: Make affinity setting if activated opt-in
	PCI: hotplug: ACPI: Fix context refcounting in acpiphp_grab_context()
	PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken
	PCI: Add device even if driver attach failed
	PCI: qcom: Define some PARF params needed for ipq8064 SoC
	PCI: qcom: Add support for tx term offset for rev 2.1.0
	PCI: Probe bridge window attributes once at enumeration-time
	btrfs: free anon block device right after subvolume deletion
	btrfs: don't allocate anonymous block device for user invisible roots
	btrfs: ref-verify: fix memory leak in add_block_entry
	btrfs: don't traverse into the seed devices in show_devname
	btrfs: open device without device_list_mutex
	btrfs: fix messages after changing compression level by remount
	btrfs: only search for left_info if there is no right_info in try_merge_free_space
	btrfs: fix memory leaks after failure to lookup checksums during inode logging
	btrfs: fix return value mixup in btrfs_get_extent
	dt-bindings: iio: io-channel-mux: Fix compatible string in example code
	iio: dac: ad5592r: fix unbalanced mutex unlocks in ad5592r_read_raw()
	xtensa: fix xtensa_pmu_setup prototype
	cifs: Fix leak when handling lease break for cached root fid
	powerpc: Allow 4224 bytes of stack expansion for the signal frame
	powerpc: Fix circular dependency between percpu.h and mmu.h
	media: vsp1: dl: Fix NULL pointer dereference on unbind
	net: ethernet: stmmac: Disable hardware multicast filter
	net: stmmac: dwmac1000: provide multicast filter fallback
	net/compat: Add missing sock updates for SCM_RIGHTS
	md/raid5: Fix Force reconstruct-write io stuck in degraded raid5
	bcache: allocate meta data pages as compound pages
	bcache: fix overflow in offset_to_stripe()
	mac80211: fix misplaced while instead of if
	driver core: Avoid binding drivers to dead devices
	MIPS: CPU#0 is not hotpluggable
	ext2: fix missing percpu_counter_inc
	ocfs2: change slot number type s16 to u16
	mm/page_counter.c: fix protection usage propagation
	ftrace: Setup correct FTRACE_FL_REGS flags for module
	kprobes: Fix NULL pointer dereference at kprobe_ftrace_handler
	tracing/hwlat: Honor the tracing_cpumask
	tracing: Use trace_sched_process_free() instead of exit() for pid tracing
	watchdog: f71808e_wdt: indicate WDIOF_CARDRESET support in watchdog_info.options
	watchdog: f71808e_wdt: remove use of wrong watchdog_info option
	watchdog: f71808e_wdt: clear watchdog timeout occurred flag
	pseries: Fix 64 bit logical memory block panic
	module: Correctly truncate sysfs sections output
	perf intel-pt: Fix FUP packet state
	remoteproc: qcom: q6v5: Update running state before requesting stop
	drm/imx: imx-ldb: Disable both channels for split mode in enc->disable()
	mfd: arizona: Ensure 32k clock is put on driver unbind and error
	RDMA/ipoib: Return void from ipoib_ib_dev_stop()
	RDMA/ipoib: Fix ABBA deadlock with ipoib_reap_ah()
	media: rockchip: rga: Introduce color fmt macros and refactor CSC mode logic
	media: rockchip: rga: Only set output CSC mode for RGB input
	USB: serial: ftdi_sio: make process-packet buffer unsigned
	USB: serial: ftdi_sio: clean up receive processing
	mmc: renesas_sdhi_internal_dmac: clean up the code for dma complete
	gpu: ipu-v3: image-convert: Combine rotate/no-rotate irq handlers
	dm rq: don't call blk_mq_queue_stopped() in dm_stop_queue()
	selftests/powerpc: ptrace-pkey: Rename variables to make it easier to follow code
	selftests/powerpc: ptrace-pkey: Update the test to mark an invalid pkey correctly
	selftests/powerpc: ptrace-pkey: Don't update expected UAMOR value
	iommu/omap: Check for failure of a call to omap_iommu_dump_ctx
	iommu/vt-d: Enforce PASID devTLB field mask
	i2c: rcar: slave: only send STOP event when we have been addressed
	clk: clk-atlas6: fix return value check in atlas6_clk_init()
	pwm: bcm-iproc: handle clk_get_rate() return
	tools build feature: Use CC and CXX from parent
	i2c: rcar: avoid race when unregistering slave
	openrisc: Fix oops caused when dumping stack
	scsi: lpfc: nvmet: Avoid hang / use-after-free again when destroying targetport
	watchdog: initialize device before misc_register
	Input: sentelic - fix error return when fsp_reg_write fails
	drm/vmwgfx: Use correct vmw_legacy_display_unit pointer
	drm/vmwgfx: Fix two list_for_each loop exit tests
	net: qcom/emac: add missed clk_disable_unprepare in error path of emac_clks_phase1_init
	nfs: Fix getxattr kernel panic and memory overflow
	fs/minix: set s_maxbytes correctly
	fs/minix: fix block limit check for V1 filesystems
	fs/minix: remove expected error message in block_to_path()
	fs/ufs: avoid potential u32 multiplication overflow
	test_kmod: avoid potential double free in trigger_config_run_type()
	mfd: dln2: Run event handler loop under spinlock
	ALSA: echoaudio: Fix potential Oops in snd_echo_resume()
	perf bench mem: Always memset source before memcpy
	tools build feature: Quote CC and CXX for their arguments
	sh: landisk: Add missing initialization of sh_io_port_base
	khugepaged: retract_page_tables() remember to test exit
	arm64: dts: marvell: espressobin: add ethernet alias
	drm: Added orientation quirk for ASUS tablet model T103HAF
	drm/amdgpu: Fix bug where DPM is not enabled after hibernate and resume
	Linux 4.19.141

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0800f8e03919fd8f054c1bcda87efd70a6e5db6b
2020-08-21 13:01:46 +02:00
Lukas Wunner
706695d477 driver core: Avoid binding drivers to dead devices
commit 654888327e upstream.

Commit 3451a495ef ("driver core: Establish order of operations for
device_add and device_del via bitflag") sought to prevent asynchronous
driver binding to a device which is being removed.  It added a
per-device "dead" flag which is checked in the following code paths:

* asynchronous binding in __driver_attach_async_helper()
*  synchronous binding in device_driver_attach()
* asynchronous binding in __device_attach_async_helper()

It did *not* check the flag upon:

*  synchronous binding in __device_attach()

However __device_attach() may also be called asynchronously from:

deferred_probe_work_func()
  bus_probe_device()
    device_initial_probe()
      __device_attach()

So if the commit's intention was to check the "dead" flag in all
asynchronous code paths, then a check is also necessary in
__device_attach().  Add the missing check.

Fixes: 3451a495ef ("driver core: Establish order of operations for device_add and device_del via bitflag")
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: stable@vger.kernel.org # v5.1+
Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Link: https://lore.kernel.org/r/de88a23a6fe0ef70f7cfd13c8aea9ab51b4edab6.1594214103.git.lukas@wunner.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-21 11:05:32 +02:00
Greg Kroah-Hartman
204dd19a9b This is the 4.19.136 stable release
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Merge 4.19.136 into android-4.19-stable

Changes in 4.19.136
	AX.25: Fix out-of-bounds read in ax25_connect()
	AX.25: Prevent out-of-bounds read in ax25_sendmsg()
	dev: Defer free of skbs in flush_backlog
	drivers/net/wan/x25_asy: Fix to make it work
	ip6_gre: fix null-ptr-deref in ip6gre_init_net()
	net-sysfs: add a newline when printing 'tx_timeout' by sysfs
	net: udp: Fix wrong clean up for IS_UDPLITE macro
	qrtr: orphan socket in qrtr_release()
	rxrpc: Fix sendmsg() returning EPIPE due to recvmsg() returning ENODATA
	tcp: allow at most one TLP probe per flight
	AX.25: Prevent integer overflows in connect and sendmsg
	sctp: shrink stream outq only when new outcnt < old outcnt
	sctp: shrink stream outq when fails to do addstream reconf
	udp: Copy has_conns in reuseport_grow().
	udp: Improve load balancing for SO_REUSEPORT.
	rtnetlink: Fix memory(net_device) leak when ->newlink fails
	regmap: debugfs: check count when read regmap file
	Linux 4.19.136

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I642a68276dffc3521d8809024f457c1049012348
2020-07-31 19:06:47 +02:00
Peng Fan
9989c022a1 regmap: debugfs: check count when read regmap file
commit 74edd08a4f upstream.

When executing the following command, we met kernel dump.
dmesg -c > /dev/null; cd /sys;
for i in `ls /sys/kernel/debug/regmap/* -d`; do
	echo "Checking regmap in $i";
	cat $i/registers;
done && grep -ri "0x02d0" *;

It is because the count value is too big, and kmalloc fails. So add an
upper bound check to allow max size `PAGE_SIZE << (MAX_ORDER - 1)`.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/1584064687-12964-1-git-send-email-peng.fan@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-31 18:37:49 +02:00
Greg Kroah-Hartman
bcf9517454 This is the 4.19.135 stable release
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Merge 4.19.135 into android-4.19-stable

Changes in 4.19.135
	soc: qcom: rpmh: Dirt can only make you dirtier, not cleaner
	gpio: arizona: handle pm_runtime_get_sync failure case
	gpio: arizona: put pm_runtime in case of failure
	pinctrl: amd: fix npins for uart0 in kerncz_groups
	mac80211: allow rx of mesh eapol frames with default rx key
	scsi: scsi_transport_spi: Fix function pointer check
	xtensa: fix __sync_fetch_and_{and,or}_4 declarations
	xtensa: update *pos in cpuinfo_op.next
	drivers/net/wan/lapbether: Fixed the value of hard_header_len
	net: sky2: initialize return of gm_phy_read
	drm/nouveau/i2c/g94-: increase NV_PMGR_DP_AUXCTL_TRANSACTREQ timeout
	drivers/firmware/psci: Fix memory leakage in alloc_init_cpu_groups()
	fuse: fix weird page warning
	irqdomain/treewide: Keep firmware node unconditionally allocated
	SUNRPC reverting d03727b248 ("NFSv4 fix CLOSE not waiting for direct IO compeletion")
	spi: spi-fsl-dspi: Exit the ISR with IRQ_NONE when it's not ours
	tipc: clean up skb list lock handling on send path
	IB/umem: fix reference count leak in ib_umem_odp_get()
	uprobes: Change handle_swbp() to send SIGTRAP with si_code=SI_KERNEL, to fix GDB regression
	ALSA: info: Drop WARN_ON() from buffer NULL sanity check
	ASoC: rt5670: Correct RT5670_LDO_SEL_MASK
	btrfs: fix double free on ulist after backref resolution failure
	btrfs: fix mount failure caused by race with umount
	btrfs: fix page leaks after failure to lock page for delalloc
	bnxt_en: Fix race when modifying pause settings.
	fpga: dfl: fix bug in port reset handshake
	hippi: Fix a size used in a 'pci_free_consistent()' in an error handling path
	ax88172a: fix ax88172a_unbind() failures
	net: dp83640: fix SIOCSHWTSTAMP to update the struct with actual configuration
	ieee802154: fix one possible memleak in adf7242_probe
	drm: sun4i: hdmi: Fix inverted HPD result
	net: smc91x: Fix possible memory leak in smc_drv_probe()
	bonding: check error value of register_netdevice() immediately
	mlxsw: destroy workqueue when trap_register in mlxsw_emad_init
	qed: suppress "don't support RoCE & iWARP" flooding on HW init
	ipvs: fix the connection sync failed in some cases
	net: ethernet: ave: Fix error returns in ave_init
	i2c: rcar: always clear ICSAR to avoid side effects
	bonding: check return value of register_netdevice() in bond_newlink()
	serial: exar: Fix GPIO configuration for Sealevel cards based on XR17V35X
	scripts/decode_stacktrace: strip basepath from all paths
	scripts/gdb: fix lx-symbols 'gdb.error' while loading modules
	HID: i2c-hid: add Mediacom FlexBook edge13 to descriptor override
	HID: alps: support devices with report id 2
	HID: steam: fixes race in handling device list.
	HID: apple: Disable Fn-key key-re-mapping on clone keyboards
	dmaengine: tegra210-adma: Fix runtime PM imbalance on error
	Input: add `SW_MACHINE_COVER`
	spi: mediatek: use correct SPI_CFG2_REG MACRO
	regmap: dev_get_regmap_match(): fix string comparison
	hwmon: (aspeed-pwm-tacho) Avoid possible buffer overflow
	dmaengine: ioat setting ioat timeout as module parameter
	Input: synaptics - enable InterTouch for ThinkPad X1E 1st gen
	usb: gadget: udc: gr_udc: fix memleak on error handling path in gr_ep_init()
	hwmon: (adm1275) Make sure we are reading enough data for different chips
	hwmon: (scmi) Fix potential buffer overflow in scmi_hwmon_probe()
	arm64: Use test_tsk_thread_flag() for checking TIF_SINGLESTEP
	x86: math-emu: Fix up 'cmp' insn for clang ias
	RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw
	binder: Don't use mmput() from shrinker function.
	usb: xhci-mtk: fix the failure of bandwidth allocation
	usb: xhci: Fix ASM2142/ASM3142 DMA addressing
	Revert "cifs: Fix the target file was deleted when rename failed."
	staging: wlan-ng: properly check endpoint types
	staging: comedi: addi_apci_1032: check INSN_CONFIG_DIGITAL_TRIG shift
	staging: comedi: ni_6527: fix INSN_CONFIG_DIGITAL_TRIG support
	staging: comedi: addi_apci_1500: check INSN_CONFIG_DIGITAL_TRIG shift
	staging: comedi: addi_apci_1564: check INSN_CONFIG_DIGITAL_TRIG shift
	serial: 8250: fix null-ptr-deref in serial8250_start_tx()
	serial: 8250_mtk: Fix high-speed baud rates clamping
	fbdev: Detect integer underflow at "struct fbcon_ops"->clear_margins.
	vt: Reject zero-sized screen buffer size.
	Makefile: Fix GCC_TOOLCHAIN_DIR prefix for Clang cross compilation
	mm/memcg: fix refcount error while moving and swapping
	mm: memcg/slab: synchronize access to kmem_cache dying flag using a spinlock
	mm: memcg/slab: fix memory leak at non-root kmem_cache destroy
	io-mapping: indicate mapping failure
	drm/amdgpu: Fix NULL dereference in dpm sysfs handlers
	drm/amd/powerplay: fix a crash when overclocking Vega M
	parisc: Add atomic64_set_release() define to avoid CPU soft lockups
	x86, vmlinux.lds: Page-align end of ..page_aligned sections
	ASoC: rt5670: Add new gpio1_is_ext_spk_en quirk and enable it on the Lenovo Miix 2 10
	ASoC: qcom: Drop HAS_DMA dependency to fix link failure
	dm integrity: fix integrity recalculation that is improperly skipped
	ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb
	ath9k: Fix regression with Atheros 9271
	Linux 4.19.135

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0bbcde83e7c810352d998f28d3484efa2b9ede8e
2020-07-29 13:22:30 +02:00
Marc Kleine-Budde
545f4f98e2 regmap: dev_get_regmap_match(): fix string comparison
[ Upstream commit e84861fec3 ]

This function is used by dev_get_regmap() to retrieve a regmap for the
specified device. If the device has more than one regmap, the name parameter
can be used to specify one.

The code here uses a pointer comparison to check for equal strings. This
however will probably always fail, as the regmap->name is allocated via
kstrdup_const() from the regmap's config->name.

Fix this by using strcmp() instead.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20200703103315.267996-1-mkl@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-29 10:16:53 +02:00
Greg Kroah-Hartman
b41585fc93 This is the 4.19.134 stable release
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Merge 4.19.134 into android-4.19-stable

Changes in 4.19.134
	perf: Make perf able to build with latest libbfd
	net: rmnet: fix lower interface leak
	genetlink: remove genl_bind
	ipv4: fill fl4_icmp_{type,code} in ping_v4_sendmsg
	l2tp: remove skb_dst_set() from l2tp_xmit_skb()
	llc: make sure applications use ARPHRD_ETHER
	net: Added pointer check for dst->ops->neigh_lookup in dst_neigh_lookup_skb
	net_sched: fix a memory leak in atm_tc_init()
	net: usb: qmi_wwan: add support for Quectel EG95 LTE modem
	tcp: fix SO_RCVLOWAT possible hangs under high mem pressure
	tcp: make sure listeners don't initialize congestion-control state
	tcp: md5: add missing memory barriers in tcp_md5_do_add()/tcp_md5_hash_key()
	tcp: md5: do not send silly options in SYNCOOKIES
	tcp: md5: refine tcp_md5_do_add()/tcp_md5_hash_key() barriers
	tcp: md5: allow changing MD5 keys in all socket states
	cgroup: fix cgroup_sk_alloc() for sk_clone_lock()
	cgroup: Fix sock_cgroup_data on big-endian.
	sched: consistently handle layer3 header accesses in the presence of VLANs
	vlan: consolidate VLAN parsing code and limit max parsing depth
	drm/msm: fix potential memleak in error branch
	drm/exynos: fix ref count leak in mic_pre_enable
	m68k: nommu: register start of the memory with memblock
	m68k: mm: fix node memblock init
	arm64/alternatives: use subsections for replacement sequences
	tpm_tis: extra chip->ops check on error path in tpm_tis_core_init
	gfs2: read-only mounts should grab the sd_freeze_gl glock
	i2c: eg20t: Load module automatically if ID matches
	arm64/alternatives: don't patch up internal branches
	iio:magnetometer:ak8974: Fix alignment and data leak issues
	iio:humidity:hdc100x Fix alignment and data leak issues
	iio: magnetometer: ak8974: Fix runtime PM imbalance on error
	iio: mma8452: Add missed iio_device_unregister() call in mma8452_probe()
	iio: pressure: zpa2326: handle pm_runtime_get_sync failure
	iio:humidity:hts221 Fix alignment and data leak issues
	iio:pressure:ms5611 Fix buffer element alignment
	iio:health:afe4403 Fix timestamp alignment and prevent data leak.
	spi: fix initial SPI_SR value in spi-fsl-dspi
	spi: spi-fsl-dspi: Fix lockup if device is shutdown during SPI transfer
	net: dsa: bcm_sf2: Fix node reference count
	of: of_mdio: Correct loop scanning logic
	Revert "usb/ohci-platform: Fix a warning when hibernating"
	Revert "usb/xhci-plat: Set PM runtime as active on resume"
	Revert "usb/ehci-platform: Set PM runtime as active on resume"
	net: sfp: add support for module quirks
	net: sfp: add some quirks for GPON modules
	HID: quirks: Remove ITE 8595 entry from hid_have_special_driver
	ARM: at91: pm: add quirk for sam9x60's ulp1
	scsi: sr: remove references to BLK_DEV_SR_VENDOR, leave it enabled
	ALSA: usb-audio: Create a registration quirk for Kingston HyperX Amp (0951:16d8)
	doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode
	mmc: sdhci: do not enable card detect interrupt for gpio cd type
	ALSA: usb-audio: Rewrite registration quirk handling
	ACPI: video: Use native backlight on Acer Aspire 5783z
	ALSA: usb-audio: Add registration quirk for Kingston HyperX Cloud Alpha S
	Input: mms114 - add extra compatible for mms345l
	ACPI: video: Use native backlight on Acer TravelMate 5735Z
	ALSA: usb-audio: Add registration quirk for Kingston HyperX Cloud Flight S
	iio:health:afe4404 Fix timestamp alignment and prevent data leak.
	phy: sun4i-usb: fix dereference of pointer phy0 before it is null checked
	arm64: dts: meson: add missing gxl rng clock
	spi: spi-sun6i: sun6i_spi_transfer_one(): fix setting of clock rate
	usb: gadget: udc: atmel: fix uninitialized read in debug printk
	staging: comedi: verify array index is correct before using it
	Revert "thermal: mediatek: fix register index error"
	ARM: dts: socfpga: Align L2 cache-controller nodename with dtschema
	regmap: debugfs: Don't sleep while atomic for fast_io regmaps
	copy_xstate_to_kernel: Fix typo which caused GDB regression
	apparmor: ensure that dfa state tables have entries
	perf stat: Zero all the 'ena' and 'run' array slot stats for interval mode
	soc: qcom: rpmh: Update dirty flag only when data changes
	soc: qcom: rpmh: Invalidate SLEEP and WAKE TCSes before flushing new data
	soc: qcom: rpmh-rsc: Clear active mode configuration for wake TCS
	soc: qcom: rpmh-rsc: Allow using free WAKE TCS for active request
	mtd: rawnand: marvell: Use nand_cleanup() when the device is not yet registered
	mtd: rawnand: marvell: Fix probe error path
	mtd: rawnand: timings: Fix default tR_max and tCCS_min timings
	mtd: rawnand: brcmnand: fix CS0 layout
	mtd: rawnand: oxnas: Keep track of registered devices
	mtd: rawnand: oxnas: Unregister all devices on error
	mtd: rawnand: oxnas: Release all devices in the _remove() path
	slimbus: core: Fix mismatch in of_node_get/put
	HID: magicmouse: do not set up autorepeat
	HID: quirks: Always poll Obins Anne Pro 2 keyboard
	HID: quirks: Ignore Simply Automated UPB PIM
	ALSA: line6: Perform sanity check for each URB creation
	ALSA: line6: Sync the pending work cancel at disconnection
	ALSA: usb-audio: Fix race against the error recovery URB submission
	ALSA: hda/realtek - change to suitable link model for ASUS platform
	ALSA: hda/realtek - Enable Speaker for ASUS UX533 and UX534
	USB: c67x00: fix use after free in c67x00_giveback_urb
	usb: dwc2: Fix shutdown callback in platform
	usb: chipidea: core: add wakeup support for extcon
	usb: gadget: function: fix missing spinlock in f_uac1_legacy
	USB: serial: iuu_phoenix: fix memory corruption
	USB: serial: cypress_m8: enable Simply Automated UPB PIM
	USB: serial: ch341: add new Product ID for CH340
	USB: serial: option: add GosunCn GM500 series
	USB: serial: option: add Quectel EG95 LTE modem
	virt: vbox: Fix VBGL_IOCTL_VMMDEV_REQUEST_BIG and _LOG req numbers to match upstream
	virt: vbox: Fix guest capabilities mask check
	virtio: virtio_console: add missing MODULE_DEVICE_TABLE() for rproc serial
	serial: mxs-auart: add missed iounmap() in probe failure and remove
	ovl: inode reference leak in ovl_is_inuse true case.
	ovl: relax WARN_ON() when decoding lower directory file handle
	ovl: fix unneeded call to ovl_change_flags()
	fuse: Fix parameter for FS_IOC_{GET,SET}FLAGS
	Revert "zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()"
	mei: bus: don't clean driver pointer
	Input: i8042 - add Lenovo XiaoXin Air 12 to i8042 nomux list
	uio_pdrv_genirq: fix use without device tree and no interrupt
	timer: Prevent base->clk from moving backward
	timer: Fix wheel index calculation on last level
	MIPS: Fix build for LTS kernel caused by backporting lpj adjustment
	riscv: use 16KB kernel stack on 64-bit
	hwmon: (emc2103) fix unable to change fan pwm1_enable attribute
	powerpc/book3s64/pkeys: Fix pkey_access_permitted() for execute disable pkey
	intel_th: pci: Add Jasper Lake CPU support
	intel_th: pci: Add Tiger Lake PCH-H support
	intel_th: pci: Add Emmitsburg PCH support
	intel_th: Fix a NULL dereference when hub driver is not loaded
	dmaengine: fsl-edma: Fix NULL pointer exception in fsl_edma_tx_handler
	misc: atmel-ssc: lock with mutex instead of spinlock
	thermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power
	arm64: ptrace: Override SPSR.SS when single-stepping is enabled
	arm64: ptrace: Consistently use pseudo-singlestep exceptions
	arm64: compat: Ensure upper 32 bits of x0 are zero on syscall return
	sched: Fix unreliable rseq cpu_id for new tasks
	sched/fair: handle case of task_h_load() returning 0
	genirq/affinity: Handle affinity setting on inactive interrupts correctly
	printk: queue wake_up_klogd irq_work only if per-CPU areas are ready
	libceph: don't omit recovery_deletes in target_copy()
	rxrpc: Fix trace string
	spi: sprd: switch the sequence of setting WDG_LOAD_LOW and _HIGH
	Linux 4.19.134

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ieeb9e03f4a2d51aeebe3a3eadd9c1b93a26088a0
2020-07-22 13:03:12 +02:00
Douglas Anderson
ebd74a77f8 regmap: debugfs: Don't sleep while atomic for fast_io regmaps
[ Upstream commit 299632e54b ]

If a regmap has "fast_io" set then its lock function uses a spinlock.
That doesn't work so well with the functions:
* regmap_cache_only_write_file()
* regmap_cache_bypass_write_file()

Both of the above functions have the pattern:
1. Lock the regmap.
2. Call:
   debugfs_write_file_bool()
     copy_from_user()
       __might_fault()
         __might_sleep()

Let's reorder things a bit so that we do all of our sleepable
functions before we grab the lock.

Fixes: d3dc5430d6 ("regmap: debugfs: Allow writes to cache state settings")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200715164611.1.I35b3533e8a80efde0cec1cc70f71e1e74b2fa0da@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-22 09:32:06 +02:00
Greg Kroah-Hartman
588b1f9c92 Merge 4.19.133 into android-4.19-stable
Changes in 4.19.133
	KVM: s390: reduce number of IO pins to 1
	spi: spi-fsl-dspi: Adding shutdown hook
	spi: spi-fsl-dspi: Fix lockup if device is removed during SPI transfer
	spi: spi-fsl-dspi: use IRQF_SHARED mode to request IRQ
	spi: spi-fsl-dspi: Fix external abort on interrupt in resume or exit paths
	regmap: fix alignment issue
	ARM: dts: omap4-droid4: Fix spi configuration and increase rate
	drm/tegra: hub: Do not enable orphaned window group
	gpu: host1x: Detach driver on unregister
	spi: spidev: fix a race between spidev_release and spidev_remove
	spi: spidev: fix a potential use-after-free in spidev_release()
	ixgbe: protect ring accesses with READ- and WRITE_ONCE
	i40e: protect ring accesses with READ- and WRITE_ONCE
	drm: panel-orientation-quirks: Add quirk for Asus T101HA panel
	drm: panel-orientation-quirks: Use generic orientation-data for Acer S1003
	s390/kasan: fix early pgm check handler execution
	cifs: update ctime and mtime during truncate
	ARM: imx6: add missing put_device() call in imx6q_suspend_init()
	scsi: mptscsih: Fix read sense data size
	usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work
	block: release bip in a right way in error path
	nvme-rdma: assign completion vector correctly
	x86/entry: Increase entry_stack size to a full page
	net: qrtr: Fix an out of bounds read qrtr_endpoint_post()
	drm/mediatek: Check plane visibility in atomic_update
	net: cxgb4: fix return error value in t4_prep_fw
	smsc95xx: check return value of smsc95xx_reset
	smsc95xx: avoid memory leak in smsc95xx_bind
	net: hns3: fix use-after-free when doing self test
	ALSA: compress: fix partial_drain completion state
	arm64: kgdb: Fix single-step exception handling oops
	nbd: Fix memory leak in nbd_add_socket
	cxgb4: fix all-mask IP address comparison
	bnxt_en: fix NULL dereference in case SR-IOV configuration fails
	net: macb: mark device wake capable when "magic-packet" property present
	mlxsw: spectrum_router: Remove inappropriate usage of WARN_ON()
	ALSA: opl3: fix infoleak in opl3
	ALSA: hda - let hs_mic be picked ahead of hp_mic
	ALSA: usb-audio: add quirk for MacroSilicon MS2109
	KVM: arm64: Fix definition of PAGE_HYP_DEVICE
	KVM: arm64: Stop clobbering x0 for HVC_SOFT_RESTART
	KVM: x86: bit 8 of non-leaf PDPEs is not reserved
	KVM: x86: Inject #GP if guest attempts to toggle CR4.LA57 in 64-bit mode
	KVM: x86: Mark CR4.TSD as being possibly owned by the guest
	kallsyms: Refactor kallsyms_show_value() to take cred
	kernel: module: Use struct_size() helper
	module: Refactor section attr into bin attribute
	module: Do not expose section addresses to non-CAP_SYSLOG
	kprobes: Do not expose probe addresses to non-CAP_SYSLOG
	bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok()
	Revert "ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb"
	btrfs: fix fatal extent_buffer readahead vs releasepage race
	drm/radeon: fix double free
	dm: use noio when sending kobject event
	ARC: entry: fix potential EFA clobber when TIF_SYSCALL_TRACE
	ARC: elf: use right ELF_ARCH
	s390/mm: fix huge pte soft dirty copying
	Linux 4.19.133

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0a0198d501017d2bc701b653d75dc9cedd1ebbd9
2020-07-17 07:54:52 +02:00
Jens Thoms Toerring
3223e530f0 regmap: fix alignment issue
[ Upstream commit 53d860952c ]

The assembly and disassembly of data to be sent to or received from
a device invoke functions regmap_format_XX() and regmap_parse_XX()
that extract or insert data items from or into a buffer, using
assignments. In some cases the functions are called with a buffer
pointer with an odd address. On architectures with strict alignment
requirements this can result in a kernel crash. The assignments
have been replaced by functions that take alignment into account.

Signed-off-by: Jens Thoms Toerring <jt@toerring.de>
Link: https://lore.kernel.org/r/20200531095300.GA27570@toerring.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-16 08:17:21 +02:00
Greg Kroah-Hartman
b3293788b9 Linux 4.19.131
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Merge 4.19.131 into android-4.19-stable

Changes in 4.19.131
	net: be more gentle about silly gso requests coming from user
	block/bio-integrity: don't free 'buf' if bio_integrity_add_page() failed
	fanotify: fix ignore mask logic for events on child and on dir
	mtd: rawnand: marvell: Fix the condition on a return code
	net: bcmgenet: remove HFB_CTRL access
	net: sched: export __netdev_watchdog_up()
	EDAC/amd64: Add Family 17h Model 30h PCI IDs
	i2c: tegra: Cleanup kerneldoc comments
	i2c: tegra: Add missing kerneldoc for some fields
	i2c: tegra: Fix Maximum transfer size
	fix a braino in "sparc32: fix register window handling in genregs32_[gs]et()"
	ALSA: hda/realtek - Enable the headset of ASUS B9450FA with ALC294
	ALSA: hda/realtek: Enable mute LED on an HP system
	ALSA: hda/realtek - Enable micmute LED on and HP system
	apparmor: don't try to replace stale label in ptraceme check
	ibmveth: Fix max MTU limit
	mld: fix memory leak in ipv6_mc_destroy_dev()
	net: bridge: enfore alignment for ethernet address
	net: fix memleak in register_netdevice()
	net: place xmit recursion in softnet data
	net: use correct this_cpu primitive in dev_recursion_level
	net: increment xmit_recursion level in dev_direct_xmit()
	net: usb: ax88179_178a: fix packet alignment padding
	rocker: fix incorrect error handling in dma_rings_init
	rxrpc: Fix notification call on completion of discarded calls
	sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket
	tcp: don't ignore ECN CWR on pure ACK
	tcp: grow window for OOO packets only for SACK flows
	tg3: driver sleeps indefinitely when EEH errors exceed eeh_max_freezes
	ip6_gre: fix use-after-free in ip6gre_tunnel_lookup()
	net: phy: Check harder for errors in get_phy_id()
	ip_tunnel: fix use-after-free in ip_tunnel_lookup()
	sch_cake: don't try to reallocate or unshare skb unconditionally
	sch_cake: fix a few style nits
	tcp_cubic: fix spurious HYSTART_DELAY exit upon drop in min RTT
	sch_cake: don't call diffserv parsing code when it is not needed
	net: Fix the arp error in some cases
	net: Do not clear the sock TX queue in sk_set_socket()
	net: core: reduce recursion limit value
	USB: ohci-sm501: Add missed iounmap() in remove
	usb: dwc2: Postponed gadget registration to the udc class driver
	usb: add USB_QUIRK_DELAY_INIT for Logitech C922
	USB: ehci: reopen solution for Synopsys HC bug
	usb: host: xhci-mtk: avoid runtime suspend when removing hcd
	xhci: Poll for U0 after disabling USB2 LPM
	usb: host: ehci-exynos: Fix error check in exynos_ehci_probe()
	usb: typec: tcpci_rt1711h: avoid screaming irq causing boot hangs
	ALSA: usb-audio: add quirk for Denon DCD-1500RE
	ALSA: usb-audio: add quirk for Samsung USBC Headset (AKG)
	ALSA: usb-audio: Fix OOB access of mixer element list
	scsi: zfcp: Fix panic on ERP timeout for previously dismissed ERP action
	xhci: Fix incorrect EP_STATE_MASK
	xhci: Fix enumeration issue when setting max packet size for FS devices.
	xhci: Return if xHCI doesn't support LPM
	cdc-acm: Add DISABLE_ECHO quirk for Microchip/SMSC chip
	loop: replace kill_bdev with invalidate_bdev
	IB/mad: Fix use after free when destroying MAD agent
	cifs/smb3: Fix data inconsistent when punch hole
	cifs/smb3: Fix data inconsistent when zero file range
	xfrm: Fix double ESP trailer insertion in IPsec crypto offload.
	ASoC: q6asm: handle EOS correctly
	efi/esrt: Fix reference count leak in esre_create_sysfs_entry.
	regualtor: pfuze100: correct sw1a/sw2 on pfuze3000
	ASoC: fsl_ssi: Fix bclk calculation for mono channel
	ARM: dts: Fix duovero smsc interrupt for suspend
	x86/resctrl: Fix a NULL vs IS_ERR() static checker warning in rdt_cdp_peer_get()
	regmap: Fix memory leak from regmap_register_patch
	ARM: dts: NSP: Correct FA2 mailbox node
	rxrpc: Fix handling of rwind from an ACK packet
	RDMA/qedr: Fix KASAN: use-after-free in ucma_event_handler+0x532
	RDMA/cma: Protect bind_list and listen_list while finding matching cm id
	ASoC: rockchip: Fix a reference count leak.
	RDMA/mad: Fix possible memory leak in ib_mad_post_receive_mads()
	net: qed: fix left elements count calculation
	net: qed: fix NVMe login fails over VFs
	net: qed: fix excessive QM ILT lines consumption
	cxgb4: move handling L2T ARP failures to caller
	ARM: imx5: add missing put_device() call in imx_suspend_alloc_ocram()
	usb: gadget: udc: Potential Oops in error handling code
	netfilter: ipset: fix unaligned atomic access
	net: bcmgenet: use hardware padding of runt frames
	i2c: fsi: Fix the port number field in status register
	i2c: core: check returned size of emulated smbus block read
	sched/deadline: Initialize ->dl_boosted
	sched/core: Fix PI boosting between RT and DEADLINE tasks
	sata_rcar: handle pm_runtime_get_sync failure cases
	ata/libata: Fix usage of page address by page_address in ata_scsi_mode_select_xlat function
	drm/amd/display: Use kfree() to free rgb_user in calculate_user_regamma_ramp()
	riscv/atomic: Fix sign extension for RV64I
	hwrng: ks-sa - Fix runtime PM imbalance on error
	ibmvnic: Harden device login requests
	net: alx: fix race condition in alx_remove
	s390/ptrace: fix setting syscall number
	s390/vdso: fix vDSO clock_getres()
	arm64: sve: Fix build failure when ARM64_SVE=y and SYSCTL=n
	kbuild: improve cc-option to clean up all temporary files
	blktrace: break out of blktrace setup on concurrent calls
	RISC-V: Don't allow write+exec only page mapping request in mmap
	ALSA: hda: Add NVIDIA codec IDs 9a & 9d through a0 to patch table
	ALSA: hda/realtek - Add quirk for MSI GE63 laptop
	ACPI: sysfs: Fix pm_profile_attr type
	erofs: fix partially uninitialized misuse in z_erofs_onlinepage_fixup
	KVM: X86: Fix MSR range of APIC registers in X2APIC mode
	KVM: nVMX: Plumb L2 GPA through to PML emulation
	x86/asm/64: Align start of __clear_user() loop to 16-bytes
	btrfs: fix data block group relocation failure due to concurrent scrub
	btrfs: fix failure of RWF_NOWAIT write into prealloc extent beyond eof
	mm/slab: use memzero_explicit() in kzfree()
	ocfs2: avoid inode removal while nfsd is accessing it
	ocfs2: load global_inode_alloc
	ocfs2: fix value of OCFS2_INVALID_SLOT
	ocfs2: fix panic on nfs server over ocfs2
	arm64: perf: Report the PC value in REGS_ABI_32 mode
	tracing: Fix event trigger to accept redundant spaces
	ring-buffer: Zero out time extend if it is nested and not absolute
	drm: rcar-du: Fix build error
	drm/radeon: fix fb_div check in ni_init_smc_spll_table()
	Staging: rtl8723bs: prevent buffer overflow in update_sta_support_rate()
	sunrpc: fixed rollback in rpc_gssd_dummy_populate()
	SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
	pNFS/flexfiles: Fix list corruption if the mirror count changes
	NFSv4 fix CLOSE not waiting for direct IO compeletion
	dm writecache: correct uncommitted_block when discarding uncommitted entry
	dm writecache: add cond_resched to loop in persistent_memory_claim()
	xfs: add agf freeblocks verify in xfs_agf_verify
	Revert "tty: hvc: Fix data abort due to race in hvc_open"
	Linux 4.19.131

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2c5abdfc2979e50d441bb0e0bcd499e03c61cefd
2020-07-01 13:11:06 +02:00
Charles Keepax
ef743e2786 regmap: Fix memory leak from regmap_register_patch
[ Upstream commit 95b2c3ec4c ]

When a register patch is registered the reg_sequence is copied but the
memory allocated is never freed. Add a kfree in regmap_exit to clean it
up.

Fixes: 22f0d90a34 ("regmap: Support register patch sets")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200617152129.19655-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-06-30 23:17:10 -04:00
Greg Kroah-Hartman
b96549a28b This is the 4.19.130 stable release
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Merge 4.19.130 into android-4.19-stable

Changes in 4.19.130
	power: supply: bq24257_charger: Replace depends on REGMAP_I2C with select
	clk: sunxi: Fix incorrect usage of round_down()
	ASoC: tegra: tegra_wm8903: Support nvidia, headset property
	i2c: piix4: Detect secondary SMBus controller on AMD AM4 chipsets
	iio: pressure: bmp280: Tolerate IRQ before registering
	remoteproc: Fix IDR initialisation in rproc_alloc()
	clk: qcom: msm8916: Fix the address location of pll->config_reg
	backlight: lp855x: Ensure regulators are disabled on probe failure
	ASoC: davinci-mcasp: Fix dma_chan refcnt leak when getting dma type
	ARM: integrator: Add some Kconfig selections
	scsi: qedi: Check for buffer overflow in qedi_set_path()
	ALSA: hda/realtek - Introduce polarity for micmute LED GPIO
	ALSA: isa/wavefront: prevent out of bounds write in ioctl
	PCI: Allow pci_resize_resource() for devices on root bus
	scsi: qla2xxx: Fix issue with adapter's stopping state
	iio: bmp280: fix compensation of humidity
	f2fs: report delalloc reserve as non-free in statfs for project quota
	i2c: pxa: clear all master action bits in i2c_pxa_stop_message()
	clk: samsung: Mark top ISP and CAM clocks on Exynos542x as critical
	usblp: poison URBs upon disconnect
	serial: 8250: Fix max baud limit in generic 8250 port
	dm mpath: switch paths in dm_blk_ioctl() code path
	PCI: aardvark: Don't blindly enable ASPM L0s and don't write to read-only register
	ps3disk: use the default segment boundary
	vfio/pci: fix memory leaks in alloc_perm_bits()
	RDMA/mlx5: Add init2init as a modify command
	m68k/PCI: Fix a memory leak in an error handling path
	gpio: dwapb: Call acpi_gpiochip_free_interrupts() on GPIO chip de-registration
	mfd: wm8994: Fix driver operation if loaded as modules
	scsi: lpfc: Fix lpfc_nodelist leak when processing unsolicited event
	clk: clk-flexgen: fix clock-critical handling
	powerpc/perf/hv-24x7: Fix inconsistent output values incase multiple hv-24x7 events run
	nfsd: Fix svc_xprt refcnt leak when setup callback client failed
	PCI: vmd: Filter resource type bits from shadow register
	powerpc/crashkernel: Take "mem=" option into account
	pwm: img: Call pm_runtime_put() in pm_runtime_get_sync() failed case
	yam: fix possible memory leak in yam_init_driver
	NTB: ntb_pingpong: Choose doorbells based on port number
	NTB: Fix the default port and peer numbers for legacy drivers
	mksysmap: Fix the mismatch of '.L' symbols in System.map
	apparmor: fix introspection of of task mode for unconfined tasks
	apparmor: check/put label on apparmor_sk_clone_security()
	ASoC: meson: add missing free_irq() in error path
	scsi: sr: Fix sr_probe() missing deallocate of device minor
	scsi: ibmvscsi: Don't send host info in adapter info MAD after LPM
	apparmor: fix nnp subset test for unconfined
	x86/purgatory: Disable various profiling and sanitizing options
	staging: greybus: fix a missing-check bug in gb_lights_light_config()
	arm64: dts: mt8173: fix unit name warnings
	scsi: qedi: Do not flush offload work if ARP not resolved
	ARM: dts: sun8i-h2-plus-bananapi-m2-zero: Fix led polarity
	gpio: dwapb: Append MODULE_ALIAS for platform driver
	scsi: qedf: Fix crash when MFW calls for protocol stats while function is still probing
	pinctrl: rza1: Fix wrong array assignment of rza1l_swio_entries
	firmware: qcom_scm: fix bogous abuse of dma-direct internals
	staging: gasket: Fix mapping refcnt leak when put attribute fails
	staging: gasket: Fix mapping refcnt leak when register/store fails
	ALSA: usb-audio: Improve frames size computation
	ALSA: usb-audio: Fix racy list management in output queue
	s390/qdio: put thinint indicator after early error
	tty: hvc: Fix data abort due to race in hvc_open
	slimbus: ngd: get drvdata from correct device
	thermal/drivers/ti-soc-thermal: Avoid dereferencing ERR_PTR
	usb: dwc3: gadget: Properly handle failed kick_transfer
	staging: sm750fb: add missing case while setting FB_VISUAL
	PCI: v3-semi: Fix a memory leak in v3_pci_probe() error handling paths
	i2c: pxa: fix i2c_pxa_scream_blue_murder() debug output
	serial: amba-pl011: Make sure we initialize the port.lock spinlock
	drivers: base: Fix NULL pointer exception in __platform_driver_probe() if a driver developer is foolish
	PCI: rcar: Fix incorrect programming of OB windows
	PCI/ASPM: Allow ASPM on links to PCIe-to-PCI/PCI-X Bridges
	scsi: qla2xxx: Fix warning after FC target reset
	power: supply: lp8788: Fix an error handling path in 'lp8788_charger_probe()'
	power: supply: smb347-charger: IRQSTAT_D is volatile
	scsi: mpt3sas: Fix double free warnings
	pinctrl: rockchip: fix memleak in rockchip_dt_node_to_map
	dlm: remove BUG() before panic()
	clk: ti: composite: fix memory leak
	PCI: Fix pci_register_host_bridge() device_register() error handling
	powerpc/64: Don't initialise init_task->thread.regs
	tty: n_gsm: Fix SOF skipping
	tty: n_gsm: Fix waking up upper tty layer when room available
	HID: Add quirks for Trust Panora Graphic Tablet
	ipmi: use vzalloc instead of kmalloc for user creation
	powerpc/pseries/ras: Fix FWNMI_VALID off by one
	powerpc/ps3: Fix kexec shutdown hang
	vfio-pci: Mask cap zero
	usb/ohci-platform: Fix a warning when hibernating
	drm/msm/mdp5: Fix mdp5_init error path for failed mdp5_kms allocation
	ASoC: Intel: bytcr_rt5640: Add quirk for Toshiba Encore WT8-A tablet
	USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe()
	tty: n_gsm: Fix bogus i++ in gsm_data_kick
	fpga: dfl: afu: Corrected error handling levels
	clk: samsung: exynos5433: Add IGNORE_UNUSED flag to sclk_i2s1
	scsi: target: tcmu: Userspace must not complete queued commands
	arm64: tegra: Fix ethernet phy-mode for Jetson Xavier
	powerpc/64s/pgtable: fix an undefined behaviour
	dm zoned: return NULL if dmz_get_zone_for_reclaim() fails to find a zone
	PCI/PTM: Inherit Switch Downstream Port PTM settings from Upstream Port
	PCI: dwc: Fix inner MSI IRQ domain registration
	IB/cma: Fix ports memory leak in cma_configfs
	watchdog: da9062: No need to ping manually before setting timeout
	usb: dwc2: gadget: move gadget resume after the core is in L0 state
	USB: gadget: udc: s3c2410_udc: Remove pointless NULL check in s3c2410_udc_nuke
	usb: gadget: lpc32xx_udc: don't dereference ep pointer before null check
	usb: gadget: fix potential double-free in m66592_probe.
	usb: gadget: Fix issue with config_ep_by_speed function
	RDMA/iw_cxgb4: cleanup device debugfs entries on ULD remove
	x86/apic: Make TSC deadline timer detection message visible
	ASoC: fix incomplete error-handling in img_i2s_in_probe.
	scsi: target: tcmu: Fix a use after free in tcmu_check_expired_queue_cmd()
	clk: bcm2835: Fix return type of bcm2835_register_gate
	scsi: ufs-qcom: Fix scheduling while atomic issue
	KVM: PPC: Book3S HV: Ignore kmemleak false positives
	clk: sprd: return correct type of value for _sprd_pll_recalc_rate
	net: sunrpc: Fix off-by-one issues in 'rpc_ntop6'
	NFSv4.1 fix rpc_call_done assignment for BIND_CONN_TO_SESSION
	of: Fix a refcounting bug in __of_attach_node_sysfs()
	powerpc/4xx: Don't unmap NULL mbase
	extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()'
	ASoC: fsl_asrc_dma: Fix dma_chan leak when config DMA channel failed
	vfio/mdev: Fix reference count leak in add_mdev_supported_type
	rxrpc: Adjust /proc/net/rxrpc/calls to display call->debug_id not user_ID
	openrisc: Fix issue with argument clobbering for clone/fork
	gfs2: Allow lock_nolock mount to specify jid=X
	scsi: iscsi: Fix reference count leak in iscsi_boot_create_kobj
	scsi: ufs: Don't update urgent bkops level when toggling auto bkops
	pinctrl: imxl: Fix an error handling path in 'imx1_pinctrl_core_probe()'
	pinctrl: freescale: imx: Fix an error handling path in 'imx_pinctrl_probe()'
	crypto: omap-sham - add proper load balancing support for multicore
	geneve: change from tx_error to tx_dropped on missing metadata
	lib/zlib: remove outdated and incorrect pre-increment optimization
	include/linux/bitops.h: avoid clang shift-count-overflow warnings
	elfnote: mark all .note sections SHF_ALLOC
	selftests/vm/pkeys: fix alloc_random_pkey() to make it really random
	blktrace: use errno instead of bi_status
	blktrace: fix endianness in get_pdu_int()
	blktrace: fix endianness for blk_log_remap()
	gfs2: fix use-after-free on transaction ail lists
	ntb_perf: pass correct struct device to dma_alloc_coherent
	ntb_tool: pass correct struct device to dma_alloc_coherent
	NTB: ntb_tool: reading the link file should not end in a NULL byte
	NTB: Revert the change to use the NTB device dev for DMA allocations
	NTB: perf: Don't require one more memory window than number of peers
	NTB: perf: Fix support for hardware that doesn't have port numbers
	NTB: perf: Fix race condition when run with ntb_test
	NTB: ntb_test: Fix bug when counting remote files
	drivers/perf: hisi: Fix wrong value for all counters enable
	selftests/net: in timestamping, strncpy needs to preserve null byte
	afs: Fix memory leak in afs_put_sysnames()
	ASoC: core: only convert non DPCM link to DPCM link
	ASoC: Intel: bytcr_rt5640: Add quirk for Toshiba Encore WT10-A tablet
	ASoC: rt5645: Add platform-data for Asus T101HA
	drm/sun4i: hdmi ddc clk: Fix size of m divider
	scsi: acornscsi: Fix an error handling path in acornscsi_probe()
	x86/idt: Keep spurious entries unset in system_vectors
	net/filter: Permit reading NET in load_bytes_relative when MAC not set
	xdp: Fix xsk_generic_xmit errno
	usb/xhci-plat: Set PM runtime as active on resume
	usb: host: ehci-platform: add a quirk to avoid stuck
	usb/ehci-platform: Set PM runtime as active on resume
	perf report: Fix NULL pointer dereference in hists__fprintf_nr_sample_events()
	ext4: stop overwrite the errcode in ext4_setup_super
	bcache: fix potential deadlock problem in btree_gc_coalesce
	afs: Fix non-setting of mtime when writing into mmap
	afs: afs_write_end() should change i_size under the right lock
	block: Fix use-after-free in blkdev_get()
	arm64: hw_breakpoint: Don't invoke overflow handler on uaccess watchpoints
	libata: Use per port sync for detach
	drm: encoder_slave: fix refcouting error for modules
	drm/dp_mst: Reformat drm_dp_check_act_status() a bit
	drm/qxl: Use correct notify port address when creating cursor ring
	drm/amdgpu: Replace invalid device ID with a valid device ID
	selinux: fix double free
	ext4: fix partial cluster initialization when splitting extent
	ext4: avoid race conditions when remounting with options that change dax
	drm/dp_mst: Increase ACT retry timeout to 3s
	x86/boot/compressed: Relax sed symbol type regex for LLVM ld.lld
	block: nr_sects_write(): Disable preemption on seqcount write
	mtd: rawnand: Pass a nand_chip object to nand_scan()
	mtd: rawnand: Pass a nand_chip object to nand_release()
	mtd: rawnand: diskonchip: Fix the probe error path
	mtd: rawnand: sharpsl: Fix the probe error path
	mtd: rawnand: xway: Fix the probe error path
	mtd: rawnand: orion: Fix the probe error path
	mtd: rawnand: oxnas: Add of_node_put()
	mtd: rawnand: oxnas: Fix the probe error path
	mtd: rawnand: socrates: Fix the probe error path
	mtd: rawnand: plat_nand: Fix the probe error path
	mtd: rawnand: mtk: Fix the probe error path
	mtd: rawnand: tmio: Fix the probe error path
	s390: fix syscall_get_error for compat processes
	drm/i915: Whitelist context-local timestamp in the gen9 cmdparser
	drm/i915/icl+: Fix hotplug interrupt disabling after storm detection
	crypto: algif_skcipher - Cap recv SG list at ctx->used
	crypto: algboss - don't wait during notifier callback
	kprobes: Fix to protect kick_kprobe_optimizer() by kprobe_mutex
	e1000e: Do not wake up the system via WOL if device wakeup is disabled
	net: octeon: mgmt: Repair filling of RX ring
	kretprobe: Prevent triggering kretprobe from within kprobe_flush_task
	sched/rt, net: Use CONFIG_PREEMPTION.patch
	net: core: device_rename: Use rwsem instead of a seqcount
	Revert "dpaa_eth: fix usage as DSA master, try 3"
	md: add feature flag MD_FEATURE_RAID0_LAYOUT
	kvm: x86: Move kvm_set_mmio_spte_mask() from x86.c to mmu.c
	kvm: x86: Fix reserved bits related calculation errors caused by MKTME
	KVM: x86/mmu: Set mmio_value to '0' if reserved #PF can't be generated
	Linux 4.19.130

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8fff23470852b747c3d75461b45f9d77460062d3
2020-06-27 09:50:13 +02:00
Kuppuswamy Sathyanarayanan
cd74de676a drivers: base: Fix NULL pointer exception in __platform_driver_probe() if a driver developer is foolish
[ Upstream commit 388bcc6ecc ]

If platform bus driver registration is failed then, accessing
platform bus spin lock (&drv->driver.bus->p->klist_drivers.k_lock)
in __platform_driver_probe() without verifying the return value
__platform_driver_register() can lead to NULL pointer exception.

So check the return value before attempting the spin lock.

One such example is below:

For a custom usecase, I have intentionally failed the platform bus
registration and I expected all the platform device/driver
registrations to fail gracefully. But I came across this panic
issue.

[    1.331067] BUG: kernel NULL pointer dereference, address: 00000000000000c8
[    1.331118] #PF: supervisor write access in kernel mode
[    1.331163] #PF: error_code(0x0002) - not-present page
[    1.331208] PGD 0 P4D 0
[    1.331233] Oops: 0002 [#1] PREEMPT SMP
[    1.331268] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G        W         5.6.0-00049-g670d35fb0144 #165
[    1.331341] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
[    1.331406] RIP: 0010:_raw_spin_lock+0x15/0x30
[    1.331588] RSP: 0000:ffffc9000001be70 EFLAGS: 00010246
[    1.331632] RAX: 0000000000000000 RBX: 00000000000000c8 RCX: 0000000000000001
[    1.331696] RDX: 0000000000000001 RSI: 0000000000000092 RDI: 0000000000000000
[    1.331754] RBP: 00000000ffffffed R08: 0000000000000501 R09: 0000000000000001
[    1.331817] R10: ffff88817abcc520 R11: 0000000000000670 R12: 00000000ffffffed
[    1.331881] R13: ffffffff82dbc268 R14: ffffffff832f070a R15: 0000000000000000
[    1.331945] FS:  0000000000000000(0000) GS:ffff88817bd80000(0000) knlGS:0000000000000000
[    1.332008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.332062] CR2: 00000000000000c8 CR3: 000000000681e001 CR4: 00000000003606e0
[    1.332126] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    1.332189] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    1.332252] Call Trace:
[    1.332281]  __platform_driver_probe+0x92/0xee
[    1.332323]  ? rtc_dev_init+0x2b/0x2b
[    1.332358]  cmos_init+0x37/0x67
[    1.332396]  do_one_initcall+0x7d/0x168
[    1.332428]  kernel_init_freeable+0x16c/0x1c9
[    1.332473]  ? rest_init+0xc0/0xc0
[    1.332508]  kernel_init+0x5/0x100
[    1.332543]  ret_from_fork+0x1f/0x30
[    1.332579] CR2: 00000000000000c8
[    1.332616] ---[ end trace 3bd87f12e9010b87 ]---
[    1.333549] note: swapper/0[1] exited with preempt_count 1
[    1.333592] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009
[    1.333736] Kernel Offset: disabled

Note, this can only be triggered if a driver errors out from this call,
which should never happen.  If it does, the driver needs to be fixed.

Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: https://lore.kernel.org/r/20200408214003.3356-1-sathyanarayanan.kuppuswamy@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-06-25 15:32:55 +02:00
Greg Kroah-Hartman
d8cc60ec42 This is the 4.19.128 stable release
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Merge 4.19.128 into android-4.19-stable

Changes in 4.19.128
	devinet: fix memleak in inetdev_init()
	l2tp: add sk_family checks to l2tp_validate_socket
	l2tp: do not use inet_hash()/inet_unhash()
	net: usb: qmi_wwan: add Telit LE910C1-EUX composition
	NFC: st21nfca: add missed kfree_skb() in an error path
	vsock: fix timeout in vsock_accept()
	net: check untrusted gso_size at kernel entry
	USB: serial: qcserial: add DW5816e QDL support
	USB: serial: usb_wwan: do not resubmit rx urb on fatal errors
	USB: serial: option: add Telit LE910C1-EUX compositions
	iio: vcnl4000: Fix i2c swapped word reading.
	usb: musb: start session in resume for host port
	usb: musb: Fix runtime PM imbalance on error
	vt: keyboard: avoid signed integer overflow in k_ascii
	tty: hvc_console, fix crashes on parallel open/close
	staging: rtl8712: Fix IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK
	CDC-ACM: heed quirk also in error handling
	nvmem: qfprom: remove incorrect write support
	x86/cpu: Add a steppings field to struct x86_cpu_id
	x86/cpu: Add 'table' argument to cpu_matches()
	x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation
	x86/speculation: Add SRBDS vulnerability and mitigation documentation
	x86/speculation: Add Ivy Bridge to affected list
	uprobes: ensure that uprobe->offset and ->ref_ctr_offset are properly aligned
	Revert "net/mlx5: Annotate mutex destroy for root ns"
	Linux 4.19.128

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If3a899efc4809d24257107dd0016a97beb3cb6e9
2020-06-11 09:16:29 +02:00
Saravana Kannan
efa330cc52 FROMGIT: driver core: Remove unnecessary is_fwnode_dev variable in device_add()
That variable is no longer necessary. Remove it and also fix a minor
typo in comments.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20200520034824.79049-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 2cd38fd15e
 https: //git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-next)
Bug: 157691602
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: Ia7a0122d606211edc404a2733d35182a750daa92
2020-06-10 15:01:29 -07:00
Saravana Kannan
b85a8605e7 FROMGIT: driver core: Remove check in driver_deferred_probe_force_trigger()
The whole point behind adding driver_deferred_probe_force_trigger() in
commit 716a7a2596 ("driver core: fw_devlink: Add support for batching
fwnode parsing") was to skip the check for driver_deferred_probe_enable.
Otherwise, it's identical to driver_deferred_probe_trigger().

Delete the check in driver_deferred_probe_force_trigger() so that
fw_devlink_pause() and fw_devlink_resume() can kick off deferred probe
as intended. Without doing this forced deferred probe trigger, some
platforms seem to be crashing during boot because they assume probe
order of devices.

Fixes: 716a7a2596 ("driver core: fw_devlink: Add support for batching fwnode parsing")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20200517173453.157703-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit fefcfc9687
 https: //git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-next)
Bug: 157691602
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: I2c1378ec24c0b5f257d0c9bbac066ad156dcbafb
2020-06-10 15:01:29 -07:00
Saravana Kannan
29698b3d2e FROMGIT: BACKPORT: driver core: fw_devlink: Add support for batching fwnode parsing
The amount of time spent parsing fwnodes of devices can become really
high if the devices are added in an non-ideal order. Worst case can be
O(N^2) when N devices are added. But this can be optimized to O(N) by
adding all the devices and then parsing all their fwnodes in one batch.

This commit adds fw_devlink_pause() and fw_devlink_resume() to allow
doing this.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20200515053500.215929-4-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 716a7a2596
 https: //git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-next)
[fixed conflicts due to fw_devlink and fw_devlink permissive mode]
Bug: 157691602
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: Ibcc32eee577c9325054786a73193d615d54a8f07
2020-06-10 15:01:29 -07:00
Saravana Kannan
80f21b25ab BACKPORT: driver core: Look for waiting consumers only for a fwnode's primary device
Commit 4dbe191c04 ("driver core: Add device links from fwnode only for
the primary device") skipped linking a fwnode's secondary device to
the suppliers listed in its fwnode.

However, a fwnode's secondary device can't be found using
get_dev_from_fwnode(). So, there's no point in trying to see if devices
waiting for suppliers might want to link to a fwnode's secondary device.

This commit removes that unnecessary step for devices that aren't a
fwnode's primary device and also moves the code to a more appropriate
part of the file.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20200515053500.215929-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 5f5377eadd)
[conflict fixes due to of_devlink rename to fw_devlink]
Bug: 157691602
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: Id0455f6bc05d89b0f81d1574a242be6b8ff67975
2020-06-10 15:01:29 -07:00