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099bdfba32
222 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
|
b558262fdc |
This is the 5.10.60 stable release
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Merge 5.10.60 into android12-5.10-lts
Changes in 5.10.60
iio: adc: ti-ads7950: Ensure CS is deasserted after reading channels
iio: adis: set GPIO reset pin direction
iio: humidity: hdc100x: Add margin to the conversion time
iio: adc: Fix incorrect exit of for-loop
ASoC: amd: Fix reference to PCM buffer address
ASoC: xilinx: Fix reference to PCM buffer address
ASoC: uniphier: Fix reference to PCM buffer address
ASoC: tlv320aic31xx: Fix jack detection after suspend
ASoC: intel: atom: Fix reference to PCM buffer address
i2c: dev: zero out array used for i2c reads from userspace
cifs: create sd context must be a multiple of 8
scsi: lpfc: Move initialization of phba->poll_list earlier to avoid crash
seccomp: Fix setting loaded filter count during TSYNC
net: ethernet: ti: cpsw: fix min eth packet size for non-switch use-cases
ARC: fp: set FPU_STATUS.FWE to enable FPU_STATUS update on context switch
ceph: reduce contention in ceph_check_delayed_caps()
ACPI: NFIT: Fix support for virtual SPA ranges
libnvdimm/region: Fix label activation vs errors
drm/amd/display: Remove invalid assert for ODM + MPC case
drm/amd/display: use GFP_ATOMIC in amdgpu_dm_irq_schedule_work
drm/amdgpu: don't enable baco on boco platforms in runpm
ieee802154: hwsim: fix GPF in hwsim_set_edge_lqi
ieee802154: hwsim: fix GPF in hwsim_new_edge_nl
pinctrl: mediatek: Fix fallback behavior for bias_set_combo
ASoC: cs42l42: Correct definition of ADC Volume control
ASoC: cs42l42: Don't allow SND_SOC_DAIFMT_LEFT_J
ASoC: SOF: Intel: hda-ipc: fix reply size checking
ASoC: cs42l42: Fix inversion of ADC Notch Switch control
ASoC: cs42l42: Remove duplicate control for WNF filter frequency
netfilter: nf_conntrack_bridge: Fix memory leak when error
pinctrl: tigerlake: Fix GPIO mapping for newer version of software
ASoC: cs42l42: Fix LRCLK frame start edge
net: dsa: mt7530: add the missing RxUnicast MIB counter
net: mvvp2: fix short frame size on s390
platform/x86: pcengines-apuv2: Add missing terminating entries to gpio-lookup tables
libbpf: Fix probe for BPF_PROG_TYPE_CGROUP_SOCKOPT
bpf: Fix integer overflow involving bucket_size
net: phy: micrel: Fix link detection on ksz87xx switch"
ppp: Fix generating ifname when empty IFLA_IFNAME is specified
net/smc: fix wait on already cleared link
net: sched: act_mirred: Reset ct info when mirror/redirect skb
ice: Prevent probing virtual functions
ice: don't remove netdev->dev_addr from uc sync list
iavf: Set RSS LUT and key in reset handle path
psample: Add a fwd declaration for skbuff
bareudp: Fix invalid read beyond skb's linear data
net/mlx5: Synchronize correct IRQ when destroying CQ
net/mlx5: Fix return value from tracer initialization
drm/meson: fix colour distortion from HDR set during vendor u-boot
net: dsa: microchip: Fix ksz_read64()
net: dsa: microchip: ksz8795: Fix VLAN filtering
net: Fix memory leak in ieee802154_raw_deliver
net: igmp: fix data-race in igmp_ifc_timer_expire()
net: dsa: lan9303: fix broken backpressure in .port_fdb_dump
net: dsa: lantiq: fix broken backpressure in .port_fdb_dump
net: dsa: sja1105: fix broken backpressure in .port_fdb_dump
net: bridge: validate the NUD_PERMANENT bit when adding an extern_learn FDB entry
net: bridge: fix flags interpretation for extern learn fdb entries
net: bridge: fix memleak in br_add_if()
net: linkwatch: fix failure to restore device state across suspend/resume
tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
net: igmp: increase size of mr_ifc_count
drm/i915: Only access SFC_DONE when media domain is not fused off
xen/events: Fix race in set_evtchn_to_irq
vsock/virtio: avoid potential deadlock when vsock device remove
nbd: Aovid double completion of a request
arm64: efi: kaslr: Fix occasional random alloc (and boot) failure
efi/libstub: arm64: Force Image reallocation if BSS was not reserved
efi/libstub: arm64: Relax 2M alignment again for relocatable kernels
powerpc/kprobes: Fix kprobe Oops happens in booke
x86/tools: Fix objdump version check again
genirq: Provide IRQCHIP_AFFINITY_PRE_STARTUP
x86/msi: Force affinity setup before startup
x86/ioapic: Force affinity setup before startup
x86/resctrl: Fix default monitoring groups reporting
genirq/msi: Ensure deactivation on teardown
genirq/timings: Prevent potential array overflow in __irq_timings_store()
PCI/MSI: Enable and mask MSI-X early
PCI/MSI: Mask all unused MSI-X entries
PCI/MSI: Enforce that MSI-X table entry is masked for update
PCI/MSI: Enforce MSI[X] entry updates to be visible
PCI/MSI: Do not set invalid bits in MSI mask
PCI/MSI: Correct misleading comments
PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()
PCI/MSI: Protect msi_desc::masked for multi-MSI
powerpc/smp: Fix OOPS in topology_init()
efi/libstub: arm64: Double check image alignment at entry
KVM: VMX: Use current VMCS to query WAITPKG support for MSR emulation
KVM: nVMX: Use vmx_need_pf_intercept() when deciding if L0 wants a #PF
vboxsf: Add vboxsf_[create|release]_sf_handle() helpers
vboxsf: Add support for the atomic_open directory-inode op
ceph: add some lockdep assertions around snaprealm handling
ceph: clean up locking annotation for ceph_get_snap_realm and __lookup_snap_realm
ceph: take snap_empty_lock atomically with snaprealm refcount change
vmlinux.lds.h: Handle clang's module.{c,d}tor sections
KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
KVM: nSVM: always intercept VMLOAD/VMSAVE when nested (CVE-2021-3656)
net: dsa: microchip: Fix probing KSZ87xx switch with DT node for host port
net: dsa: microchip: ksz8795: Fix PVID tag insertion
net: dsa: microchip: ksz8795: Reject unsupported VLAN configuration
net: dsa: microchip: ksz8795: Fix VLAN untagged flag change on deletion
net: dsa: microchip: ksz8795: Use software untagging on CPU port
Linux 5.10.60
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I7d55aed1883b31ba2d9b8dfad4bc33e1efbcbd2f
|
||
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Longpeng(Mike)
|
f5cefe9a52 |
vsock/virtio: avoid potential deadlock when vsock device remove
[ Upstream commit |
||
|
Greg Kroah-Hartman
|
8db62be3c3 |
This is the 5.10.51 stable release
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Merge 5.10.51 into android12-5.10-lts
Changes in 5.10.51
drm/mxsfb: Don't select DRM_KMS_FB_HELPER
drm/zte: Don't select DRM_KMS_FB_HELPER
drm/ast: Fixed CVE for DP501
drm/amd/display: fix HDCP reset sequence on reinitialize
drm/amd/amdgpu/sriov disable all ip hw status by default
drm/vc4: fix argument ordering in vc4_crtc_get_margins()
drm/bridge: nwl-dsi: Force a full modeset when crtc_state->active is changed to be true
net: pch_gbe: Use proper accessors to BE data in pch_ptp_match()
drm/amd/display: fix use_max_lb flag for 420 pixel formats
clk: renesas: rcar-usb2-clock-sel: Fix error handling in .probe()
hugetlb: clear huge pte during flush function on mips platform
atm: iphase: fix possible use-after-free in ia_module_exit()
mISDN: fix possible use-after-free in HFC_cleanup()
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
net: Treat __napi_schedule_irqoff() as __napi_schedule() on PREEMPT_RT
drm/mediatek: Fix PM reference leak in mtk_crtc_ddp_hw_init()
net: mdio: ipq8064: add regmap config to disable REGCACHE
drm/bridge: lt9611: Add missing MODULE_DEVICE_TABLE
reiserfs: add check for invalid 1st journal block
drm/virtio: Fix double free on probe failure
net: mdio: provide shim implementation of devm_of_mdiobus_register
net/sched: cls_api: increase max_reclassify_loop
pinctrl: equilibrium: Add missing MODULE_DEVICE_TABLE
drm/scheduler: Fix hang when sched_entity released
drm/sched: Avoid data corruptions
udf: Fix NULL pointer dereference in udf_symlink function
drm/vc4: Fix clock source for VEC PixelValve on BCM2711
drm/vc4: hdmi: Fix PM reference leak in vc4_hdmi_encoder_pre_crtc_co()
e100: handle eeprom as little endian
igb: handle vlan types with checker enabled
igb: fix assignment on big endian machines
drm/bridge: cdns: Fix PM reference leak in cdns_dsi_transfer()
clk: renesas: r8a77995: Add ZA2 clock
net/mlx5e: IPsec/rep_tc: Fix rep_tc_update_skb drops IPsec packet
net/mlx5: Fix lag port remapping logic
drm: rockchip: add missing registers for RK3188
drm: rockchip: add missing registers for RK3066
net: stmmac: the XPCS obscures a potential "PHY not found" error
RDMA/rtrs: Change MAX_SESS_QUEUE_DEPTH
clk: tegra: Fix refcounting of gate clocks
clk: tegra: Ensure that PLLU configuration is applied properly
drm: bridge: cdns-mhdp8546: Fix PM reference leak in
virtio-net: Add validation for used length
ipv6: use prandom_u32() for ID generation
MIPS: cpu-probe: Fix FPU detection on Ingenic JZ4760(B)
MIPS: ingenic: Select CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
drm/amd/display: Avoid HDCP over-read and corruption
drm/amdgpu: remove unsafe optimization to drop preamble ib
net: tcp better handling of reordering then loss cases
RDMA/cxgb4: Fix missing error code in create_qp()
dm space maps: don't reset space map allocation cursor when committing
dm writecache: don't split bios when overwriting contiguous cache content
dm: Fix dm_accept_partial_bio() relative to zone management commands
net: bridge: mrp: Update ring transitions.
pinctrl: mcp23s08: fix race condition in irq handler
ice: set the value of global config lock timeout longer
ice: fix clang warning regarding deadcode.DeadStores
virtio_net: Remove BUG() to avoid machine dead
net: mscc: ocelot: check return value after calling platform_get_resource()
net: bcmgenet: check return value after calling platform_get_resource()
net: mvpp2: check return value after calling platform_get_resource()
net: micrel: check return value after calling platform_get_resource()
net: moxa: Use devm_platform_get_and_ioremap_resource()
drm/amd/display: Fix DCN 3.01 DSCCLK validation
drm/amd/display: Update scaling settings on modeset
drm/amd/display: Release MST resources on switch from MST to SST
drm/amd/display: Set DISPCLK_MAX_ERRDET_CYCLES to 7
drm/amd/display: Fix off-by-one error in DML
net: phy: realtek: add delay to fix RXC generation issue
selftests: Clean forgotten resources as part of cleanup()
net: sgi: ioc3-eth: check return value after calling platform_get_resource()
drm/amdkfd: use allowed domain for vmbo validation
fjes: check return value after calling platform_get_resource()
selinux: use __GFP_NOWARN with GFP_NOWAIT in the AVC
r8169: avoid link-up interrupt issue on RTL8106e if user enables ASPM
drm/amd/display: Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
xfrm: Fix error reporting in xfrm_state_construct.
dm writecache: commit just one block, not a full page
wlcore/wl12xx: Fix wl12xx get_mac error if device is in ELP
wl1251: Fix possible buffer overflow in wl1251_cmd_scan
cw1200: add missing MODULE_DEVICE_TABLE
drm/amdkfd: fix circular locking on get_wave_state
drm/amdkfd: Fix circular lock in nocpsch path
bpf: Fix up register-based shifts in interpreter to silence KUBSAN
ice: fix incorrect payload indicator on PTYPE
ice: mark PTYPE 2 as reserved
mt76: mt7615: fix fixed-rate tx status reporting
net: fix mistake path for netdev_features_strings
net: ipa: Add missing of_node_put() in ipa_firmware_load()
net: sched: fix error return code in tcf_del_walker()
io_uring: fix false WARN_ONCE
drm/amdgpu: fix bad address translation for sienna_cichlid
drm/amdkfd: Walk through list with dqm lock hold
mt76: mt7915: fix IEEE80211_HE_PHY_CAP7_MAX_NC for station mode
rtl8xxxu: Fix device info for RTL8192EU devices
MIPS: add PMD table accounting into MIPS'pmd_alloc_one
net: fec: add ndo_select_queue to fix TX bandwidth fluctuations
atm: nicstar: use 'dma_free_coherent' instead of 'kfree'
atm: nicstar: register the interrupt handler in the right place
vsock: notify server to shutdown when client has pending signal
RDMA/rxe: Don't overwrite errno from ib_umem_get()
iwlwifi: mvm: don't change band on bound PHY contexts
iwlwifi: mvm: fix error print when session protection ends
iwlwifi: pcie: free IML DMA memory allocation
iwlwifi: pcie: fix context info freeing
sfc: avoid double pci_remove of VFs
sfc: error code if SRIOV cannot be disabled
wireless: wext-spy: Fix out-of-bounds warning
cfg80211: fix default HE tx bitrate mask in 2G band
mac80211: consider per-CPU statistics if present
mac80211_hwsim: add concurrent channels scanning support over virtio
IB/isert: Align target max I/O size to initiator size
media, bpf: Do not copy more entries than user space requested
net: ip: avoid OOM kills with large UDP sends over loopback
RDMA/cma: Fix rdma_resolve_route() memory leak
Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.
Bluetooth: Fix the HCI to MGMT status conversion table
Bluetooth: Fix alt settings for incoming SCO with transparent coding format
Bluetooth: Shutdown controller after workqueues are flushed or cancelled
Bluetooth: btusb: Add a new QCA_ROME device (0cf3:e500)
Bluetooth: L2CAP: Fix invalid access if ECRED Reconfigure fails
Bluetooth: L2CAP: Fix invalid access on ECRED Connection response
Bluetooth: btusb: Add support USB ALT 3 for WBS
Bluetooth: mgmt: Fix the command returns garbage parameter value
Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc.
sched/fair: Ensure _sum and _avg values stay consistent
bpf: Fix false positive kmemleak report in bpf_ringbuf_area_alloc()
flow_offload: action should not be NULL when it is referenced
sctp: validate from_addr_param return
sctp: add size validation when walking chunks
MIPS: loongsoon64: Reserve memory below starting pfn to prevent Oops
MIPS: set mips32r5 for virt extensions
selftests/resctrl: Fix incorrect parsing of option "-t"
MIPS: MT extensions are not available on MIPS32r1
ath11k: unlock on error path in ath11k_mac_op_add_interface()
arm64: dts: rockchip: add rk3328 dwc3 usb controller node
arm64: dts: rockchip: Enable USB3 for rk3328 Rock64
loop: fix I/O error on fsync() in detached loop devices
mm,hwpoison: return -EBUSY when migration fails
io_uring: simplify io_remove_personalities()
io_uring: Convert personality_idr to XArray
io_uring: convert io_buffer_idr to XArray
scsi: iscsi: Fix race condition between login and sync thread
scsi: iscsi: Fix iSCSI cls conn state
powerpc/mm: Fix lockup on kernel exec fault
powerpc/barrier: Avoid collision with clang's __lwsync macro
powerpc/powernv/vas: Release reference to tgid during window close
drm/amdgpu: Update NV SIMD-per-CU to 2
drm/amdgpu: enable sdma0 tmz for Raven/Renoir(V2)
drm/radeon: Add the missed drm_gem_object_put() in radeon_user_framebuffer_create()
drm/radeon: Call radeon_suspend_kms() in radeon_pci_shutdown() for Loongson64
drm/vc4: txp: Properly set the possible_crtcs mask
drm/vc4: crtc: Skip the TXP
drm/vc4: hdmi: Prevent clock unbalance
drm/dp: Handle zeroed port counts in drm_dp_read_downstream_info()
drm/rockchip: dsi: remove extra component_del() call
drm/amd/display: fix incorrrect valid irq check
pinctrl/amd: Add device HID for new AMD GPIO controller
drm/amd/display: Reject non-zero src_y and src_x for video planes
drm/tegra: Don't set allow_fb_modifiers explicitly
drm/msm/mdp4: Fix modifier support enabling
drm/arm/malidp: Always list modifiers
drm/nouveau: Don't set allow_fb_modifiers explicitly
drm/i915/display: Do not zero past infoframes.vsc
mmc: sdhci-acpi: Disable write protect detection on Toshiba Encore 2 WT8-B
mmc: sdhci: Fix warning message when accessing RPMB in HS400 mode
mmc: core: clear flags before allowing to retune
mmc: core: Allow UHS-I voltage switch for SDSC cards if supported
ata: ahci_sunxi: Disable DIPM
arm64: tlb: fix the TTL value of tlb_get_level
cpu/hotplug: Cure the cpusets trainwreck
clocksource/arm_arch_timer: Improve Allwinner A64 timer workaround
fpga: stratix10-soc: Add missing fpga_mgr_free() call
ASoC: tegra: Set driver_name=tegra for all machine drivers
i40e: fix PTP on 5Gb links
qemu_fw_cfg: Make fw_cfg_rev_attr a proper kobj_attribute
ipmi/watchdog: Stop watchdog timer when the current action is 'none'
thermal/drivers/int340x/processor_thermal: Fix tcc setting
ubifs: Fix races between xattr_{set|get} and listxattr operations
power: supply: ab8500: Fix an old bug
mfd: syscon: Free the allocated name field of struct regmap_config
nvmem: core: add a missing of_node_put
lkdtm/bugs: XFAIL UNALIGNED_LOAD_STORE_WRITE
selftests/lkdtm: Fix expected text for CR4 pinning
extcon: intel-mrfld: Sync hardware and software state on init
seq_buf: Fix overflow in seq_buf_putmem_hex()
rq-qos: fix missed wake-ups in rq_qos_throttle try two
tracing: Simplify & fix saved_tgids logic
tracing: Resize tgid_map to pid_max, not PID_MAX_DEFAULT
ipack/carriers/tpci200: Fix a double free in tpci200_pci_probe
coresight: Propagate symlink failure
coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer()
dm zoned: check zone capacity
dm writecache: flush origin device when writing and cache is full
dm btree remove: assign new_root only when removal succeeds
PCI: Leave Apple Thunderbolt controllers on for s2idle or standby
PCI: aardvark: Fix checking for PIO Non-posted Request
PCI: aardvark: Implement workaround for the readback value of VEND_ID
media: subdev: disallow ioctl for saa6588/davinci
media: dtv5100: fix control-request directions
media: zr364xx: fix memory leak in zr364xx_start_readpipe
media: gspca/sq905: fix control-request direction
media: gspca/sunplus: fix zero-length control requests
media: uvcvideo: Fix pixel format change for Elgato Cam Link 4K
io_uring: fix clear IORING_SETUP_R_DISABLED in wrong function
dm writecache: write at least 4k when committing
pinctrl: mcp23s08: Fix missing unlock on error in mcp23s08_irq()
drm/ast: Remove reference to struct drm_device.pdev
jfs: fix GPF in diFree
smackfs: restrict bytes count in smk_set_cipso()
ext4: fix memory leak in ext4_fill_super
f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances
Linux 5.10.51
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Icb10fed733a0050848ecc23db13ae3d134895acd
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Longpeng(Mike)
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ee33c042f4 |
vsock: notify server to shutdown when client has pending signal
[ Upstream commit
|
||
|
Greg Kroah-Hartman
|
e054456ced |
Merge 5.10.37 into android12-5.10
Changes in 5.10.37
Bluetooth: verify AMP hci_chan before amp_destroy
bluetooth: eliminate the potential race condition when removing the HCI controller
net/nfc: fix use-after-free llcp_sock_bind/connect
io_uring: truncate lengths larger than MAX_RW_COUNT on provide buffers
Revert "USB: cdc-acm: fix rounding error in TIOCSSERIAL"
usb: roles: Call try_module_get() from usb_role_switch_find_by_fwnode()
tty: moxa: fix TIOCSSERIAL jiffies conversions
tty: amiserial: fix TIOCSSERIAL permission check
USB: serial: usb_wwan: fix TIOCSSERIAL jiffies conversions
staging: greybus: uart: fix TIOCSSERIAL jiffies conversions
USB: serial: ti_usb_3410_5052: fix TIOCSSERIAL permission check
staging: fwserial: fix TIOCSSERIAL jiffies conversions
tty: moxa: fix TIOCSSERIAL permission check
staging: fwserial: fix TIOCSSERIAL permission check
drm: bridge: fix LONTIUM use of mipi_dsi_() functions
usb: typec: tcpm: Address incorrect values of tcpm psy for fixed supply
usb: typec: tcpm: Address incorrect values of tcpm psy for pps supply
usb: typec: tcpm: update power supply once partner accepts
usb: xhci-mtk: remove or operator for setting schedule parameters
usb: xhci-mtk: improve bandwidth scheduling with TT
ASoC: samsung: tm2_wm5110: check of of_parse return value
ASoC: Intel: kbl_da7219_max98927: Fix kabylake_ssp_fixup function
ASoC: tlv320aic32x4: Register clocks before registering component
ASoC: tlv320aic32x4: Increase maximum register in regmap
MIPS: pci-mt7620: fix PLL lock check
MIPS: pci-rt2880: fix slot 0 configuration
FDDI: defxx: Bail out gracefully with unassigned PCI resource for CSR
PCI: Allow VPD access for QLogic ISP2722
KVM: x86: Defer the MMU unload to the normal path on an global INVPCID
PCI: xgene: Fix cfg resource mapping
PCI: keystone: Let AM65 use the pci_ops defined in pcie-designware-host.c
PM / devfreq: Unlock mutex and free devfreq struct in error path
soc/tegra: regulators: Fix locking up when voltage-spread is out of range
iio: inv_mpu6050: Fully validate gyro and accel scale writes
iio:accel:adis16201: Fix wrong axis assignment that prevents loading
iio:adc:ad7476: Fix remove handling
sc16is7xx: Defer probe if device read fails
phy: cadence: Sierra: Fix PHY power_on sequence
misc: lis3lv02d: Fix false-positive WARN on various HP models
phy: ti: j721e-wiz: Invoke wiz_init() before of_platform_device_create()
misc: vmw_vmci: explicitly initialize vmci_notify_bm_set_msg struct
misc: vmw_vmci: explicitly initialize vmci_datagram payload
selinux: add proper NULL termination to the secclass_map permissions
x86, sched: Treat Intel SNC topology as default, COD as exception
async_xor: increase src_offs when dropping destination page
md/bitmap: wait for external bitmap writes to complete during tear down
md-cluster: fix use-after-free issue when removing rdev
md: split mddev_find
md: factor out a mddev_find_locked helper from mddev_find
md: md_open returns -EBUSY when entering racing area
md: Fix missing unused status line of /proc/mdstat
mt76: mt7615: use ieee80211_free_txskb() in mt7615_tx_token_put()
ipw2x00: potential buffer overflow in libipw_wx_set_encodeext()
cfg80211: scan: drop entry from hidden_list on overflow
rtw88: Fix array overrun in rtw_get_tx_power_params()
mt76: fix potential DMA mapping leak
FDDI: defxx: Make MMIO the configuration default except for EISA
drm/i915/gvt: Fix virtual display setup for BXT/APL
drm/i915/gvt: Fix vfio_edid issue for BXT/APL
drm/qxl: use ttm bo priorities
drm/panfrost: Clear MMU irqs before handling the fault
drm/panfrost: Don't try to map pages that are already mapped
drm/radeon: fix copy of uninitialized variable back to userspace
drm/dp_mst: Revise broadcast msg lct & lcr
drm/dp_mst: Set CLEAR_PAYLOAD_ID_TABLE as broadcast
drm: bridge/panel: Cleanup connector on bridge detach
drm/amd/display: Reject non-zero src_y and src_x for video planes
drm/amdgpu: fix concurrent VM flushes on Vega/Navi v2
ALSA: hda/realtek: Re-order ALC882 Acer quirk table entries
ALSA: hda/realtek: Re-order ALC882 Sony quirk table entries
ALSA: hda/realtek: Re-order ALC882 Clevo quirk table entries
ALSA: hda/realtek: Re-order ALC269 HP quirk table entries
ALSA: hda/realtek: Re-order ALC269 Acer quirk table entries
ALSA: hda/realtek: Re-order ALC269 Dell quirk table entries
ALSA: hda/realtek: Re-order ALC269 ASUS quirk table entries
ALSA: hda/realtek: Re-order ALC269 Sony quirk table entries
ALSA: hda/realtek: Re-order ALC269 Lenovo quirk table entries
ALSA: hda/realtek: Re-order remaining ALC269 quirk table entries
ALSA: hda/realtek: Re-order ALC662 quirk table entries
ALSA: hda/realtek: Remove redundant entry for ALC861 Haier/Uniwill devices
ALSA: hda/realtek: ALC285 Thinkpad jack pin quirk is unreachable
ALSA: hda/realtek: Fix speaker amp on HP Envy AiO 32
KVM: s390: VSIE: correctly handle MVPG when in VSIE
KVM: s390: split kvm_s390_logical_to_effective
KVM: s390: fix guarded storage control register handling
s390: fix detection of vector enhancements facility 1 vs. vector packed decimal facility
KVM: s390: VSIE: fix MVPG handling for prefixing and MSO
KVM: s390: split kvm_s390_real_to_abs
KVM: s390: extend kvm_s390_shadow_fault to return entry pointer
KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit
KVM: x86: Remove emulator's broken checks on CR0/CR3/CR4 loads
KVM: nSVM: Set the shadow root level to the TDP level for nested NPT
KVM: SVM: Don't strip the C-bit from CR2 on #PF interception
KVM: SVM: Do not allow SEV/SEV-ES initialization after vCPUs are created
KVM: SVM: Inject #GP on guest MSR_TSC_AUX accesses if RDTSCP unsupported
KVM: nVMX: Defer the MMU reload to the normal path on an EPTP switch
KVM: nVMX: Truncate bits 63:32 of VMCS field on nested check in !64-bit
KVM: nVMX: Truncate base/index GPR value on address calc in !64-bit
KVM: arm/arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST read
KVM: Destroy I/O bus devices on unregister failure _after_ sync'ing SRCU
KVM: Stop looking for coalesced MMIO zones if the bus is destroyed
KVM: arm64: Fully zero the vcpu state on reset
KVM: arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION read
Revert "drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit"
Revert "i3c master: fix missing destroy_workqueue() on error in i3c_master_register"
ovl: fix missing revert_creds() on error path
Revert "drm/qxl: do not run release if qxl failed to init"
usb: gadget: pch_udc: Revert
|
||
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Stefano Garzarella
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b605673b52 |
vsock/virtio: free queued packets when closing socket
[ Upstream commit |
||
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Stefano Garzarella
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b9e719698f |
vsock/vmci: log once the failed queue pair allocation
[ Upstream commit |
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David Brazdil
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5ebb9947b4 |
selinux: vsock: Set SID for socket returned by accept()
[ Upstream commit |
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David Brazdil
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e26fd78761 |
FROMGIT: selinux: vsock: Set SID for socket returned by accept()
For AF_VSOCK, accept() currently returns sockets that are unlabelled. Other socket families derive the child's SID from the SID of the parent and the SID of the incoming packet. This is typically done as the connected socket is placed in the queue that accept() removes from. Reuse the existing 'security_sk_clone' hook to copy the SID from the parent (server) socket to the child. There is no packet SID in this case. Fixes: |
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Greg Kroah-Hartman
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b129c98dc6 |
Merge 5.10.17 into android12-5.10
Changes in 5.10.17 objtool: Fix seg fault with Clang non-section symbols Revert "dts: phy: add GPIO number and active state used for phy reset" gpio: mxs: GPIO_MXS should not default to y unconditionally gpio: ep93xx: fix BUG_ON port F usage gpio: ep93xx: Fix single irqchip with multi gpiochips tracing: Do not count ftrace events in top level enable output tracing: Check length before giving out the filter buffer drm/i915: Fix overlay frontbuffer tracking arm/xen: Don't probe xenbus as part of an early initcall cgroup: fix psi monitor for root cgroup Revert "drm/amd/display: Update NV1x SR latency values" drm/i915/tgl+: Make sure TypeC FIA is powered up when initializing it drm/dp_mst: Don't report ports connected if nothing is attached to them dmaengine: move channel device_node deletion to driver tmpfs: disallow CONFIG_TMPFS_INODE64 on s390 tmpfs: disallow CONFIG_TMPFS_INODE64 on alpha soc: ti: omap-prm: Fix boot time errors for rst_map_012 bits 0 and 1 arm64: dts: rockchip: Fix PCIe DT properties on rk3399 arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node platform/x86: hp-wmi: Disable tablet-mode reporting by default arm64: dts: rockchip: Disable display for NanoPi R2S ovl: perform vfs_getxattr() with mounter creds cap: fix conversions on getxattr ovl: skip getxattr of security labels scsi: lpfc: Fix EEH encountering oops with NVMe traffic x86/split_lock: Enable the split lock feature on another Alder Lake CPU nvme-pci: ignore the subsysem NQN on Phison E16 drm/amd/display: Fix DPCD translation for LTTPR AUX_RD_INTERVAL drm/amd/display: Add more Clock Sources to DCN2.1 drm/amd/display: Release DSC before acquiring drm/amd/display: Fix dc_sink kref count in emulated_link_detect drm/amd/display: Free atomic state after drm_atomic_commit drm/amd/display: Decrement refcount of dc_sink before reassignment riscv: virt_addr_valid must check the address belongs to linear mapping bfq-iosched: Revert "bfq: Fix computation of shallow depth" ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL kallsyms: fix nonconverging kallsyms table with lld ARM: ensure the signal page contains defined contents ARM: kexec: fix oops after TLB are invalidated ubsan: implement __ubsan_handle_alignment_assumption Revert "lib: Restrict cpumask_local_spread to houskeeping CPUs" x86/efi: Remove EFI PGD build time checks lkdtm: don't move ctors to .rodata KVM: x86: cleanup CR3 reserved bits checks cgroup-v1: add disabled controller check in cgroup1_parse_param() dmaengine: idxd: fix misc interrupt completion ath9k: fix build error with LEDS_CLASS=m mt76: dma: fix a possible memory leak in mt76_add_fragment() drm/vc4: hvs: Fix buffer overflow with the dlist handling dmaengine: idxd: check device state before issue command bpf: Unbreak BPF_PROG_TYPE_KPROBE when kprobe is called via do_int3 bpf: Check for integer overflow when using roundup_pow_of_two() netfilter: xt_recent: Fix attempt to update deleted entry selftests: netfilter: fix current year netfilter: nftables: fix possible UAF over chains from packet path in netns netfilter: flowtable: fix tcp and udp header checksum update xen/netback: avoid race in xenvif_rx_ring_slots_available() net: hdlc_x25: Return meaningful error code in x25_open net: ipa: set error code in gsi_channel_setup() hv_netvsc: Reset the RSC count if NVSP_STAT_FAIL in netvsc_receive() net: enetc: initialize the RFS and RSS memories selftests: txtimestamp: fix compilation issue net: stmmac: set TxQ mode back to DCB after disabling CBS ibmvnic: Clear failover_pending if unable to schedule netfilter: conntrack: skip identical origin tuple in same zone only scsi: scsi_debug: Fix a memory leak x86/build: Disable CET instrumentation in the kernel for 32-bit too net: dsa: felix: implement port flushing on .phylink_mac_link_down net: hns3: add a check for queue_id in hclge_reset_vf_queue() net: hns3: add a check for tqp_index in hclge_get_ring_chain_from_mbx() net: hns3: add a check for index in hclge_get_rss_key() firmware_loader: align .builtin_fw to 8 drm/sun4i: tcon: set sync polarity for tcon1 channel drm/sun4i: dw-hdmi: always set clock rate drm/sun4i: Fix H6 HDMI PHY configuration drm/sun4i: dw-hdmi: Fix max. frequency for H6 clk: sunxi-ng: mp: fix parent rate change flag check i2c: stm32f7: fix configuration of the digital filter h8300: fix PREEMPTION build, TI_PRE_COUNT undefined scripts: set proper OpenSSL include dir also for sign-file x86/pci: Create PCI/MSI irqdomain after x86_init.pci.arch_init() arm64: mte: Allow PTRACE_PEEKMTETAGS access to the zero page rxrpc: Fix clearance of Tx/Rx ring when releasing a call udp: fix skb_copy_and_csum_datagram with odd segment sizes net: dsa: call teardown method on probe failure cpufreq: ACPI: Extend frequency tables to cover boost frequencies cpufreq: ACPI: Update arch scale-invariance max perf ratio if CPPC is not there net: gro: do not keep too many GRO packets in napi->rx_list net: fix iteration for sctp transport seq_files net/vmw_vsock: fix NULL pointer dereference net/vmw_vsock: improve locking in vsock_connect_timeout() net: watchdog: hold device global xmit lock during tx disable bridge: mrp: Fix the usage of br_mrp_port_switchdev_set_state switchdev: mrp: Remove SWITCHDEV_ATTR_ID_MRP_PORT_STAT vsock/virtio: update credit only if socket is not closed vsock: fix locking in vsock_shutdown() net/rds: restrict iovecs length for RDS_CMSG_RDMA_ARGS net/qrtr: restrict user-controlled length in qrtr_tun_write_iter() ovl: expand warning in ovl_d_real() kcov, usb: only collect coverage from __usb_hcd_giveback_urb in softirq Linux 5.10.17 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Id0300681f52b51d3f466f1e66ec3a6c25f65f4d3 |
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Stefano Garzarella
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69e9fd9de1 |
vsock: fix locking in vsock_shutdown()
commit |
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Stefano Garzarella
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afe3170160 |
vsock/virtio: update credit only if socket is not closed
commit |
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Norbert Slusarek
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bc21a88465 |
net/vmw_vsock: improve locking in vsock_connect_timeout()
commit |
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Norbert Slusarek
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fcee53dc03 |
net/vmw_vsock: fix NULL pointer dereference
commit |
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Greg Kroah-Hartman
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cf5b2483a5 |
Merge 5.10.13 into android12-5.10
Changes in 5.10.13 iwlwifi: provide gso_type to GSO packets nbd: freeze the queue while we're adding connections tty: avoid using vfs_iocb_iter_write() for redirected console writes ACPI: sysfs: Prefer "compatible" modalias ACPI: thermal: Do not call acpi_thermal_check() directly kernel: kexec: remove the lock operation of system_transition_mutex ALSA: hda/realtek: Enable headset of ASUS B1400CEPE with ALC256 ALSA: hda/via: Apply the workaround generically for Clevo machines parisc: Enable -mlong-calls gcc option by default when !CONFIG_MODULES media: cec: add stm32 driver media: cedrus: Fix H264 decoding media: hantro: Fix reset_raw_fmt initialization media: rc: fix timeout handling after switch to microsecond durations media: rc: ite-cir: fix min_timeout calculation media: rc: ensure that uevent can be read directly after rc device register ARM: dts: tbs2910: rename MMC node aliases ARM: dts: ux500: Reserve memory carveouts ARM: dts: imx6qdl-gw52xx: fix duplicate regulator naming wext: fix NULL-ptr-dereference with cfg80211's lack of commit() x86/xen: avoid warning in Xen pv guest with CONFIG_AMD_MEM_ENCRYPT enabled ASoC: AMD Renoir - refine DMI entries for some Lenovo products Revert "drm/amdgpu/swsmu: drop set_fan_speed_percent (v2)" drm/nouveau/kms/gk104-gp1xx: Fix > 64x64 cursors drm/i915: Always flush the active worker before returning from the wait drm/i915/gt: Always try to reserve GGTT address 0x0 drivers/nouveau/kms/nv50-: Reject format modifiers for cursor planes bcache: only check feature sets when sb->version >= BCACHE_SB_VERSION_CDEV_WITH_FEATURES net: usb: qmi_wwan: added support for Thales Cinterion PLSx3 modem family s390: uv: Fix sysfs max number of VCPUs reporting s390/vfio-ap: No need to disable IRQ after queue reset PM: hibernate: flush swap writer after marking x86/entry: Emit a symbol for register restoring thunk efi/apple-properties: Reinstate support for boolean properties crypto: marvel/cesa - Fix tdma descriptor on 64-bit drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs drivers: soc: atmel: add null entry at the end of at91_soc_allowed_list[] btrfs: fix lockdep warning due to seqcount_mutex on 32bit arch btrfs: fix possible free space tree corruption with online conversion KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[] KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh() KVM: arm64: Filter out v8.1+ events on v8.0 HW KVM: nSVM: cancel KVM_REQ_GET_NESTED_STATE_PAGES on nested vmexit KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration KVM: x86: get smi pending status correctly KVM: Forbid the use of tagged userspace addresses for memslots io_uring: fix wqe->lock/completion_lock deadlock xen: Fix XenStore initialisation for XS_LOCAL leds: trigger: fix potential deadlock with libata arm64: dts: broadcom: Fix USB DMA address translation for Stingray mt7601u: fix kernel crash unplugging the device mt76: mt7663s: fix rx buffer refcounting mt7601u: fix rx buffer refcounting iwlwifi: Fix IWL_SUBDEVICE_NO_160 macro to use the correct bit. drm/i915/gt: Clear CACHE_MODE prior to clearing residuals drm/i915/pmu: Don't grab wakeref when enabling events net/mlx5e: Fix IPSEC stats ARM: dts: imx6qdl-kontron-samx6i: fix pwms for lcd-backlight drm/nouveau/svm: fail NOUVEAU_SVM_INIT ioctl on unsupported devices drm/vc4: Correct lbm size and calculation drm/vc4: Correct POS1_SCL for hvs5 drm/nouveau/dispnv50: Restore pushing of all data. drm/i915: Check for all subplatform bits drm/i915/selftest: Fix potential memory leak uapi: fix big endian definition of ipv6_rpl_sr_hdr KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM tee: optee: replace might_sleep with cond_resched xen-blkfront: allow discard-* nodes to be optional blk-mq: test QUEUE_FLAG_HCTX_ACTIVE for sbitmap_shared in hctx_may_queue clk: imx: fix Kconfig warning for i.MX SCU clk clk: mmp2: fix build without CONFIG_PM clk: qcom: gcc-sm250: Use floor ops for sdcc clks ARM: imx: build suspend-imx6.S with arm instruction set ARM: zImage: atags_to_fdt: Fix node names on added root nodes netfilter: nft_dynset: add timeout extension to template Revert "RDMA/mlx5: Fix devlink deadlock on net namespace deletion" Revert "block: simplify set_init_blocksize" to regain lost performance xfrm: Fix oops in xfrm_replay_advance_bmp xfrm: fix disable_xfrm sysctl when used on xfrm interfaces selftests: xfrm: fix test return value override issue in xfrm_policy.sh xfrm: Fix wraparound in xfrm_policy_addr_delta() arm64: dts: ls1028a: fix the offset of the reset register ARM: imx: fix imx8m dependencies ARM: dts: imx6qdl-kontron-samx6i: fix i2c_lcd/cam default status ARM: dts: imx6qdl-sr-som: fix some cubox-i platforms arm64: dts: imx8mp: Correct the gpio ranges of gpio3 firmware: imx: select SOC_BUS to fix firmware build RDMA/cxgb4: Fix the reported max_recv_sge value ASoC: dt-bindings: lpass: Fix and common up lpass dai ids ASoC: qcom: Fix incorrect volatile registers ASoC: qcom: Fix broken support to MI2S TERTIARY and QUATERNARY ASoC: qcom: lpass-ipq806x: fix bitwidth regmap field spi: altera: Fix memory leak on error path ASoC: Intel: Skylake: skl-topology: Fix OOPs ib skl_tplg_complete powerpc/64s: prevent recursive replay_soft_interrupts causing superfluous interrupt pNFS/NFSv4: Fix a layout segment leak in pnfs_layout_process() pNFS/NFSv4: Update the layout barrier when we schedule a layoutreturn ASoC: SOF: Intel: soundwire: fix select/depend unmet dependencies ASoC: qcom: lpass: Fix out-of-bounds DAI ID lookup iwlwifi: pcie: avoid potential PNVM leaks iwlwifi: pnvm: don't skip everything when not reloading iwlwifi: pnvm: don't try to load after failures iwlwifi: pcie: set LTR on more devices iwlwifi: pcie: use jiffies for memory read spin time limit iwlwifi: pcie: reschedule in long-running memory reads mac80211: pause TX while changing interface type ice: fix FDir IPv6 flexbyte ice: Implement flow for IPv6 next header (extension header) ice: update dev_addr in ice_set_mac_address even if HW filter exists ice: Don't allow more channels than LAN MSI-X available ice: Fix MSI-X vector fallback logic i40e: acquire VSI pointer only after VF is initialized igc: fix link speed advertising net/mlx5: Fix memory leak on flow table creation error flow net/mlx5e: E-switch, Fix rate calculation for overflow net/mlx5e: free page before return net/mlx5e: Reduce tc unsupported key print level net/mlx5: Maintain separate page trees for ECPF and PF functions net/mlx5e: Disable hw-tc-offload when MLX5_CLS_ACT config is disabled net/mlx5e: Fix CT rule + encap slow path offload and deletion net/mlx5e: Correctly handle changing the number of queues when the interface is down net/mlx5e: Revert parameters on errors when changing trust state without reset net/mlx5e: Revert parameters on errors when changing MTU and LRO state without reset net/mlx5: CT: Fix incorrect removal of tuple_nat_node from nat rhashtable can: dev: prevent potential information leak in can_fill_info() ACPI/IORT: Do not blindly trust DMA masks from firmware of/device: Update dma_range_map only when dev has valid dma-ranges iommu/amd: Use IVHD EFR for early initialization of IOMMU features iommu/vt-d: Correctly check addr alignment in qi_flush_dev_iotlb_pasid() nvme-multipath: Early exit if no path is available selftests: forwarding: Specify interface when invoking mausezahn rxrpc: Fix memory leak in rxrpc_lookup_local NFC: fix resource leak when target index is invalid NFC: fix possible resource leak ASoC: mediatek: mt8183-da7219: ignore TDM DAI link by default ASoC: mediatek: mt8183-mt6358: ignore TDM DAI link by default ASoC: topology: Properly unregister DAI on removal ASoC: topology: Fix memory corruption in soc_tplg_denum_create_values() scsi: qla2xxx: Fix description for parameter ql2xenforce_iocb_limit team: protect features update by RCU to avoid deadlock tcp: make TCP_USER_TIMEOUT accurate for zero window probes tcp: fix TLP timer not set when CA_STATE changes from DISORDER to OPEN vsock: fix the race conditions in multi-transport support Linux 5.10.13 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I75f419b25f24da559e446d62f75ce6bb9b0a5396 |
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Alexander Popov
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55d900415b |
vsock: fix the race conditions in multi-transport support
commit |
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Ram Muthiah
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d4ff3d23ce |
ANDROID: Make vsock virtio packet buff size configurable
When the android virtual device stays up for long periods of time, the SLAB sustains everincreasing fragmentation. Contributing to this fragmentation are the virtio packet buffer allocations which are a drain on 64Kb compound pages. Eventually these can't be allocated due to fragmentation. To enable successful allocations for this packet buffer, the packet buffer's size needs to be reduced. To enable a reduction without impacting other partners, this var is being exposed as a command line param. Bug: 149494272 Test: atest ManagedProfileLifecycleStressTest#testCreateStartDelete on local cuttlefish device Signed-off-by: Ram Muthiah <rammuthiah@google.com> Change-Id: Ia4f9180025b64d61d9e2b882daa84460b8f08fd2 |
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Stefano Garzarella
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3fe356d58e |
vsock/virtio: discard packets only when socket is really closed
Starting from commit |
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Stefano Garzarella
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65b422d9b6 |
vsock: forward all packets to the host when no H2G is registered
Before commit |
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Jeff Vander Stoep
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af545bb5ee |
vsock: use ns_capable_noaudit() on socket create
During __vsock_create() CAP_NET_ADMIN is used to determine if the vsock_sock->trusted should be set to true. This value is used later for determing if a remote connection should be allowed to connect to a restricted VM. Unfortunately, if the caller doesn't have CAP_NET_ADMIN, an audit message such as an selinux denial is generated even if the caller does not want a trusted socket. Logging errors on success is confusing. To avoid this, switch the capable(CAP_NET_ADMIN) check to the noaudit version. Reported-by: Roman Kiryanov <rkir@google.com> https://android-review.googlesource.com/c/device/generic/goldfish/+/1468545/ Signed-off-by: Jeff Vander Stoep <jeffv@google.com> Reviewed-by: James Morris <jamorris@linux.microsoft.com> Link: https://lore.kernel.org/r/20201023143757.377574-1-jeffv@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Stefano Garzarella
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1980c05844 |
vsock: fix potential null pointer dereference in vsock_poll()
syzbot reported this issue where in the vsock_poll() we find the
socket state at TCP_ESTABLISHED, but 'transport' is null:
general protection fault, probably for non-canonical address 0xdffffc0000000012: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
CPU: 0 PID: 8227 Comm: syz-executor.2 Not tainted 5.8.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vsock_poll+0x75a/0x8e0 net/vmw_vsock/af_vsock.c:1038
Call Trace:
sock_poll+0x159/0x460 net/socket.c:1266
vfs_poll include/linux/poll.h:90 [inline]
do_pollfd fs/select.c:869 [inline]
do_poll fs/select.c:917 [inline]
do_sys_poll+0x607/0xd40 fs/select.c:1011
__do_sys_poll fs/select.c:1069 [inline]
__se_sys_poll fs/select.c:1057 [inline]
__x64_sys_poll+0x18c/0x440 fs/select.c:1057
do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
entry_SYSCALL_64_after_hwframe+0x44/0xa9
This issue can happen if the TCP_ESTABLISHED state is set after we read
the vsk->transport in the vsock_poll().
We could put barriers to synchronize, but this can only happen during
connection setup, so we can simply check that 'transport' is valid.
Fixes:
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David S. Miller
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a57066b1a0 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The UDP reuseport conflict was a little bit tricky.
The net-next code, via bpf-next, extracted the reuseport handling
into a helper so that the BPF sk lookup code could invoke it.
At the same time, the logic for reuseport handling of unconnected
sockets changed via commit
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Christoph Hellwig
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a7b75c5a8c |
net: pass a sockptr_t into ->setsockopt
Rework the remaining setsockopt code to pass a sockptr_t instead of a plain user pointer. This removes the last remaining set_fs(KERNEL_DS) outside of architecture specific code. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> [ieee802154] Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Christoph Hellwig
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a44d9e7210 |
net: make ->{get,set}sockopt in proto_ops optional
Just check for a NULL method instead of wiring up
sock_no_{get,set}sockopt.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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||
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Stefano Garzarella
|
f961134a61 |
vsock/virtio: annotate 'the_virtio_vsock' RCU pointer
Commit |
||
|
Stefano Garzarella
|
fdb4276aae |
vsock/vmci: make vmci_vsock_transport_cb() static
Fix the following gcc-9.3 warning when building with 'make W=1':
net/vmw_vsock/vmci_transport.c:2058:6: warning: no previous prototype
for ‘vmci_vsock_transport_cb’ [-Wmissing-prototypes]
2058 | void vmci_vsock_transport_cb(bool is_host)
| ^~~~~~~~~~~~~~~~~~~~~~~
Fixes:
|
||
|
Jia He
|
8692cefc43 |
virtio_vsock: Fix race condition in virtio_transport_recv_pkt
When client on the host tries to connect(SOCK_STREAM, O_NONBLOCK) to the server on the guest, there will be a panic on a ThunderX2 (armv8a server): [ 463.718844] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 463.718848] Mem abort info: [ 463.718849] ESR = 0x96000044 [ 463.718852] EC = 0x25: DABT (current EL), IL = 32 bits [ 463.718853] SET = 0, FnV = 0 [ 463.718854] EA = 0, S1PTW = 0 [ 463.718855] Data abort info: [ 463.718856] ISV = 0, ISS = 0x00000044 [ 463.718857] CM = 0, WnR = 1 [ 463.718859] user pgtable: 4k pages, 48-bit VAs, pgdp=0000008f6f6e9000 [ 463.718861] [0000000000000000] pgd=0000000000000000 [ 463.718866] Internal error: Oops: 96000044 [#1] SMP [...] [ 463.718977] CPU: 213 PID: 5040 Comm: vhost-5032 Tainted: G O 5.7.0-rc7+ #139 [ 463.718980] Hardware name: GIGABYTE R281-T91-00/MT91-FS1-00, BIOS F06 09/25/2018 [ 463.718982] pstate: 60400009 (nZCv daif +PAN -UAO) [ 463.718995] pc : virtio_transport_recv_pkt+0x4c8/0xd40 [vmw_vsock_virtio_transport_common] [ 463.718999] lr : virtio_transport_recv_pkt+0x1fc/0xd40 [vmw_vsock_virtio_transport_common] [ 463.719000] sp : ffff80002dbe3c40 [...] [ 463.719025] Call trace: [ 463.719030] virtio_transport_recv_pkt+0x4c8/0xd40 [vmw_vsock_virtio_transport_common] [ 463.719034] vhost_vsock_handle_tx_kick+0x360/0x408 [vhost_vsock] [ 463.719041] vhost_worker+0x100/0x1a0 [vhost] [ 463.719048] kthread+0x128/0x130 [ 463.719052] ret_from_fork+0x10/0x18 The race condition is as follows: Task1 Task2 ===== ===== __sock_release virtio_transport_recv_pkt __vsock_release vsock_find_bound_socket (found sk) lock_sock_nested vsock_remove_sock sock_orphan sk_set_socket(sk, NULL) sk->sk_shutdown = SHUTDOWN_MASK ... release_sock lock_sock virtio_transport_recv_connecting sk->sk_socket->state (panic!) The root cause is that vsock_find_bound_socket can't hold the lock_sock, so there is a small race window between vsock_find_bound_socket() and lock_sock(). If __vsock_release() is running in another task, sk->sk_socket will be set to NULL inadvertently. This fixes it by checking sk->sk_shutdown(suggested by Stefano) after lock_sock since sk->sk_shutdown is set to SHUTDOWN_MASK under the protection of lock_sock_nested. Signed-off-by: Jia He <justin.he@arm.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
7e0afbdfd1 |
vsock: fix timeout in vsock_accept()
The accept(2) is an "input" socket interface, so we should use
SO_RCVTIMEO instead of SO_SNDTIMEO to set the timeout.
So this patch replace sock_sndtimeo() with sock_rcvtimeo() to
use the right timeout in the vsock_accept().
Fixes:
|
||
|
Stefano Garzarella
|
a78d163978 |
vsock/virtio: fix multiple packet delivery to monitoring devices
In virtio_transport.c, if the virtqueue is full, the transmitting packet is queued up and it will be sent in the next iteration. This causes the same packet to be delivered multiple times to monitoring devices. We want to continue to deliver packets to monitoring devices before it is put in the virtqueue, to avoid that replies can appear in the packet capture before the transmitted packet. This patch fixes the issue, adding a new flag (tap_delivered) in struct virtio_vsock_pkt, to check if the packet is already delivered to monitoring devices. In vhost/vsock.c, we are splitting packets, so we must set 'tap_delivered' to false when we queue up the same virtio_vsock_pkt to handle the remaining bytes. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
David S. Miller
|
9f6e055907 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The mptcp conflict was overlapping additions. The SMC conflict was an additional and removal happening at the same time. Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
3f74957fcb |
vsock: fix potential deadlock in transport->release()
Some transports (hyperv, virtio) acquire the sock lock during the
.release() callback.
In the vsock_stream_connect() we call vsock_assign_transport(); if
the socket was previously assigned to another transport, the
vsk->transport->release() is called, but the sock lock is already
held in the vsock_stream_connect(), causing a deadlock reported by
syzbot:
INFO: task syz-executor280:9768 blocked for more than 143 seconds.
Not tainted 5.6.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor280 D27912 9768 9766 0x00000000
Call Trace:
context_switch kernel/sched/core.c:3386 [inline]
__schedule+0x934/0x1f90 kernel/sched/core.c:4082
schedule+0xdc/0x2b0 kernel/sched/core.c:4156
__lock_sock+0x165/0x290 net/core/sock.c:2413
lock_sock_nested+0xfe/0x120 net/core/sock.c:2938
virtio_transport_release+0xc4/0xd60 net/vmw_vsock/virtio_transport_common.c:832
vsock_assign_transport+0xf3/0x3b0 net/vmw_vsock/af_vsock.c:454
vsock_stream_connect+0x2b3/0xc70 net/vmw_vsock/af_vsock.c:1288
__sys_connect_file+0x161/0x1c0 net/socket.c:1857
__sys_connect+0x174/0x1b0 net/socket.c:1874
__do_sys_connect net/socket.c:1885 [inline]
__se_sys_connect net/socket.c:1882 [inline]
__x64_sys_connect+0x73/0xb0 net/socket.c:1882
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
To avoid this issue, this patch remove the lock acquiring in the
.release() callback of hyperv and virtio transports, and it holds
the lock when we call vsk->transport->release() in the vsock core.
Reported-by: syzbot+731710996d79d0d58fbc@syzkaller.appspotmail.com
Fixes:
|
||
|
Sebastien Boeuf
|
df12eb6d6c |
net: virtio_vsock: Enhance connection semantics
Whenever the vsock backend on the host sends a packet through the RX queue, it expects an answer on the TX queue. Unfortunately, there is one case where the host side will hang waiting for the answer and might effectively never recover if no timeout mechanism was implemented. This issue happens when the guest side starts binding to the socket, which insert a new bound socket into the list of already bound sockets. At this time, we expect the guest to also start listening, which will trigger the sk_state to move from TCP_CLOSE to TCP_LISTEN. The problem occurs if the host side queued a RX packet and triggered an interrupt right between the end of the binding process and the beginning of the listening process. In this specific case, the function processing the packet virtio_transport_recv_pkt() will find a bound socket, which means it will hit the switch statement checking for the sk_state, but the state won't be changed into TCP_LISTEN yet, which leads the code to pick the default statement. This default statement will only free the buffer, while it should also respond to the host side, by sending a packet on its TX queue. In order to simply fix this unfortunate chain of events, it is important that in case the default statement is entered, and because at this stage we know the host side is waiting for an answer, we must send back a packet containing the operation VIRTIO_VSOCK_OP_RST. One could say that a proper timeout mechanism on the host side will be enough to avoid the backend to hang. But the point of this patch is to ensure the normal use case will be provided with proper responsiveness when it comes to establishing the connection. Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
David S. Miller
|
b3f7e3f23a | Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net | ||
|
Sunil Muthuswamy
|
c742c59e1f |
hv_sock: Remove the accept port restriction
Currently, hv_sock restricts the port the guest socket can accept connections on. hv_sock divides the socket port namespace into two parts for server side (listening socket), 0-0x7FFFFFFF & 0x80000000-0xFFFFFFFF (there are no restrictions on client port namespace). The first part (0-0x7FFFFFFF) is reserved for sockets where connections can be accepted. The second part (0x80000000-0xFFFFFFFF) is reserved for allocating ports for the peer (host) socket, once a connection is accepted. This reservation of the port namespace is specific to hv_sock and not known by the generic vsock library (ex: af_vsock). This is problematic because auto-binds/ephemeral ports are handled by the generic vsock library and it has no knowledge of this port reservation and could allocate a port that is not compatible with hv_sock (and legitimately so). The issue hasn't surfaced so far because the auto-bind code of vsock (__vsock_bind_stream) prior to the change 'VSOCK: bind to random port for VMADDR_PORT_ANY' would start walking up from LAST_RESERVED_PORT (1023) and start assigning ports. That will take a large number of iterations to hit 0x7FFFFFFF. But, after the above change to randomize port selection, the issue has started coming up more frequently. There has really been no good reason to have this port reservation logic in hv_sock from the get go. Reserving a local port for peer ports is not how things are handled generally. Peer ports should reflect the peer port. This fixes the issue by lifting the port reservation, and also returns the right peer port. Since the code converts the GUID to the peer port (by using the first 4 bytes), there is a possibility of conflicts, but that seems like a reasonable risk to take, given this is limited to vsock and that only applies to all local sockets. Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
David S. Miller
|
ac80010fc9 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Mere overlapping changes in the conflicts here. Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
4aaf596148 |
vsock/virtio: add WARN_ON check on virtio_transport_get_ops()
virtio_transport_get_ops() and virtio_transport_send_pkt_info() can only be used on connecting/connected sockets, since a socket assigned to a transport is required. This patch adds a WARN_ON() on virtio_transport_get_ops() to check this requirement, a comment and a returned error on virtio_transport_send_pkt_info(), Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
df18fa1462 |
vsock/virtio: fix null-pointer dereference in virtio_transport_recv_listen()
With multi-transport support, listener sockets are not bound to any
transport. So, calling virtio_transport_reset(), when an error
occurs, on a listener socket produces the following null-pointer
dereference:
BUG: kernel NULL pointer dereference, address: 00000000000000e8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] SMP PTI
CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted 5.5.0-rc1-ste-00003-gb4be21f316ac-dirty #56
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014
Workqueue: virtio_vsock virtio_transport_rx_work [vmw_vsock_virtio_transport]
RIP: 0010:virtio_transport_send_pkt_info+0x20/0x130 [vmw_vsock_virtio_transport_common]
Code: 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 49 89 f5 41 54 49 89 fc 53 48 83 ec 10 44 8b 76 20 e8 c0 ba fe ff <48> 8b 80 e8 00 00 00 e8 64 e3 7d c1 45 8b 45 00 41 8b 8c 24 d4 02
RSP: 0018:ffffc900000b7d08 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88807bf12728 RCX: 0000000000000000
RDX: ffff88807bf12700 RSI: ffffc900000b7d50 RDI: ffff888035c84000
RBP: ffffc900000b7d40 R08: ffff888035c84000 R09: ffffc900000b7d08
R10: ffff8880781de800 R11: 0000000000000018 R12: ffff888035c84000
R13: ffffc900000b7d50 R14: 0000000000000000 R15: ffff88807bf12724
FS: 0000000000000000(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000000e8 CR3: 00000000790f4004 CR4: 0000000000160ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
virtio_transport_reset+0x59/0x70 [vmw_vsock_virtio_transport_common]
virtio_transport_recv_pkt+0x5bb/0xe50 [vmw_vsock_virtio_transport_common]
? detach_buf_split+0xf1/0x130
virtio_transport_rx_work+0xba/0x130 [vmw_vsock_virtio_transport]
process_one_work+0x1c0/0x300
worker_thread+0x45/0x3c0
kthread+0xfc/0x130
? current_work+0x40/0x40
? kthread_park+0x90/0x90
ret_from_fork+0x35/0x40
Modules linked in: sunrpc kvm_intel kvm vmw_vsock_virtio_transport vmw_vsock_virtio_transport_common irqbypass vsock virtio_rng rng_core
CR2: 00000000000000e8
---[ end trace e75400e2ea2fa824 ]---
This happens because virtio_transport_reset() calls
virtio_transport_send_pkt_info() that can be used only on
connecting/connected sockets.
This patch fixes the issue, using virtio_transport_reset_no_sock()
instead of virtio_transport_reset() when we are handling a listener
socket.
Fixes:
|
||
|
Stefano Garzarella
|
bf5432b1de |
vsock/virtio: remove loopback handling
We can remove the loopback handling from virtio_transport, because now the vsock core is able to handle local communication using the new vsock_loopback device. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
408624af4c |
vsock: use local transport when it is loaded
Now that we have a transport that can handle the local communication, we can use it when it is loaded. A socket will use the local transport (loopback) when the remote CID is: - equal to VMADDR_CID_LOCAL - or equal to transport_g2h->get_local_cid(), if transport_g2h is loaded (this allows us to keep the same behavior implemented by virtio and vmci transports) - or equal to VMADDR_CID_HOST, if transport_g2h is not loaded Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
077263fba1 |
vsock: add vsock_loopback transport
This patch adds a new vsock_loopback transport to handle local communication. This transport is based on the loopback implementation of virtio_transport, so it uses the virtio_transport_common APIs to interface with the vsock core. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
0e12190578 |
vsock: add local transport support in the vsock core
This patch allows to register a transport able to handle local communication (loopback). Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
ef343b35d4 |
vsock: add VMADDR_CID_LOCAL definition
The VMADDR_CID_RESERVED (1) was used by VMCI, but now it is not used anymore, so we can reuse it for local communication (loopback) adding the new well-know CID: VMADDR_CID_LOCAL. Cc: Jorgen Hansen <jhansen@vmware.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
c5144fcbf2 |
vsock/virtio_transport_common: remove unused virtio header includes
We can remove virtio header includes, because virtio_transport_common doesn't use virtio API, but provides common functions to interface virtio/vhost transports with the af_vsock core, and to handle the protocol. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Linus Torvalds
|
0dd0c8f7db |
- Support for new VMBus protocols (Andrea Parri).
- Hibernation support (Dexuan Cui). - Latency testing framework (Branden Bonaby). - Decoupling Hyper-V page size from guest page size (Himadri Pandya). -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE4n5dijQDou9mhzu83qZv95d3LNwFAl3f5YIACgkQ3qZv95d3 LNzBww/8Cpv/BnOs2cp56OhC+2++3YlWfmxGnvQb9h52weElgr1AZF33lAynp8BZ YssOcDnS/G2iAkNDffbQA7s3WTwIjP1weJibOeKbtcXp4SuhNR3gnJafufNddNDv bw8ZReLQV7hy3sHb3OUx0aJk5Mssp0N9ZpxRilyIpLELPfVp63gFebq6s1MQYljk BAiNO4SKqsGQGZApt2F4Cc3hX2wU2ZfiDm6SifXiLYITGnvilIn7XFIht+2jJBWS CdzRoGXcwhQhlj68XWlc89SOzJb7vVUMO1sr84psfbQ2LbhJU8lfJKRJ4b4lR07Z Uv5FYxjr14S65fv7DkzCfWU+uPN/sObG4pPXihlfqcTraOvYLQ6/x8cw+9tGZg4H aTtnF40hnO81aKsvPAeIsSzVkoyPaSrt7KKhk+Bw/5EUDTTNp6EbIuL4xwnKt6Rt 2UpA5HM9guQqNb6OZrjlpZfJgd9bNP4CZLBTfOukmnZpONKr2Wv3wubcwQJ8ibQc 1WZ5SfN2Wmg999Ski7j9qzHk0tWJxa6SX+2NLEHRKxy2nJSJ1zlAr//bznMyMgH/ yKPDaSkOFoy0aqiTKV2WzuOY6FGXTrSo5vq8YAgYRgp3xB+5+7zLeqlj3ipXhLYE HH/eqB27eSnvi0jpub4TbszGJG0o4Z1aYx3aHYYqrOfWX/A5Vls= =oJGE -----END PGP SIGNATURE----- Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull Hyper-V updates from Sasha Levin: - support for new VMBus protocols (Andrea Parri) - hibernation support (Dexuan Cui) - latency testing framework (Branden Bonaby) - decoupling Hyper-V page size from guest page size (Himadri Pandya) * tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (22 commits) Drivers: hv: vmbus: Fix crash handler reset of Hyper-V synic drivers/hv: Replace binary semaphore with mutex drivers: iommu: hyperv: Make HYPERV_IOMMU only available on x86 HID: hyperv: Add the support of hibernation hv_balloon: Add the support of hibernation x86/hyperv: Implement hv_is_hibernation_supported() Drivers: hv: balloon: Remove dependencies on guest page size Drivers: hv: vmbus: Remove dependencies on guest page size x86: hv: Add function to allocate zeroed page for Hyper-V Drivers: hv: util: Specify ring buffer size using Hyper-V page size Drivers: hv: Specify receive buffer size using Hyper-V page size tools: hv: add vmbus testing tool drivers: hv: vmbus: Introduce latency testing video: hyperv: hyperv_fb: Support deferred IO for Hyper-V frame buffer driver video: hyperv: hyperv_fb: Obtain screen resolution from Hyper-V host hv_netvsc: Add the support of hibernation hv_sock: Add the support of hibernation video: hyperv_fb: Add the support of hibernation scsi: storvsc: Add the support of hibernation Drivers: hv: vmbus: Add module parameter to cap the VMBus version ... |
||
|
Dexuan Cui
|
2194c2eb67 |
hv_sock: Add the support of hibernation
Add the necessary dummy callbacks for hibernation. Signed-off-by: Dexuan Cui <decui@microsoft.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> |
||
|
Stefano Garzarella
|
039fcccaed |
vsock: avoid to assign transport if its initialization fails
If transport->init() fails, we can't assign the transport to the
socket, because it's not initialized correctly, and any future
calls to the transport callbacks would have an unexpected behavior.
Fixes:
|
||
|
Stefano Garzarella
|
36c5b48b91 |
vsock: fix bind() behaviour taking care of CID
When we are looking for a socket bound to a specific address, we also have to take into account the CID. This patch is useful with multi-transports support because it allows the binding of the same port with different CID, and it prevents a connection to a wrong socket bound to the same port, but with different CID. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
6a2c096210 |
vsock: prevent transport modules unloading
This patch adds 'module' member in the 'struct vsock_transport' in order to get/put the transport module. This prevents the module unloading while sockets are assigned to it. We increase the module refcnt when a socket is assigned to a transport, and we decrease the module refcnt when the socket is destructed. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
b1bba80a43 |
vsock/vmci: register vmci_transport only when VMCI guest/host are active
To allow other transports to be loaded with vmci_transport, we register the vmci_transport as G2H or H2G only when a VMCI guest or host is active. To do that, this patch adds a callback registered in the vmci driver that will be called when the host or guest becomes active. This callback will register the vmci_transport in the VSOCK core. Cc: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Stefano Garzarella
|
c0cfa2d8a7 |
vsock: add multi-transports support
This patch adds the support of multiple transports in the
VSOCK core.
With the multi-transports support, we can use vsock with nested VMs
(using also different hypervisors) loading both guest->host and
host->guest transports at the same time.
Major changes:
- vsock core module can be loaded regardless of the transports
- vsock_core_init() and vsock_core_exit() are renamed to
vsock_core_register() and vsock_core_unregister()
- vsock_core_register() has a feature parameter (H2G, G2H, DGRAM)
to identify which directions the transport can handle and if it's
support DGRAM (only vmci)
- each stream socket is assigned to a transport when the remote CID
is set (during the connect() or when we receive a connection request
on a listener socket).
The remote CID is used to decide which transport to use:
- remote CID <= VMADDR_CID_HOST will use guest->host transport;
- remote CID == local_cid (guest->host transport) will use guest->host
transport for loopback (host->guest transports don't support loopback);
- remote CID > VMADDR_CID_HOST will use host->guest transport;
- listener sockets are not bound to any transports since no transport
operations are done on it. In this way we can create a listener
socket, also if the transports are not loaded or with VMADDR_CID_ANY
to listen on all transports.
- DGRAM sockets are handled as before, since only the vmci_transport
provides this feature.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|