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1829 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
|
e4cac2c332 |
This is the 5.10.54 stable release
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Merge 5.10.54 into android12-5.10-lts
Changes in 5.10.54
igc: Fix use-after-free error during reset
igb: Fix use-after-free error during reset
igc: change default return of igc_read_phy_reg()
ixgbe: Fix an error handling path in 'ixgbe_probe()'
igc: Fix an error handling path in 'igc_probe()'
igb: Fix an error handling path in 'igb_probe()'
fm10k: Fix an error handling path in 'fm10k_probe()'
e1000e: Fix an error handling path in 'e1000_probe()'
iavf: Fix an error handling path in 'iavf_probe()'
igb: Check if num of q_vectors is smaller than max before array access
igb: Fix position of assignment to *ring
gve: Fix an error handling path in 'gve_probe()'
net: add kcov handle to skb extensions
bonding: fix suspicious RCU usage in bond_ipsec_add_sa()
bonding: fix null dereference in bond_ipsec_add_sa()
ixgbevf: use xso.real_dev instead of xso.dev in callback functions of struct xfrmdev_ops
bonding: fix suspicious RCU usage in bond_ipsec_del_sa()
bonding: disallow setting nested bonding + ipsec offload
bonding: Add struct bond_ipesc to manage SA
bonding: fix suspicious RCU usage in bond_ipsec_offload_ok()
bonding: fix incorrect return value of bond_ipsec_offload_ok()
ipv6: fix 'disable_policy' for fwd packets
stmmac: platform: Fix signedness bug in stmmac_probe_config_dt()
selftests: icmp_redirect: remove from checking for IPv6 route get
selftests: icmp_redirect: IPv6 PMTU info should be cleared after redirect
pwm: sprd: Ensure configuring period and duty_cycle isn't wrongly skipped
cxgb4: fix IRQ free race during driver unload
mptcp: fix warning in __skb_flow_dissect() when do syn cookie for subflow join
nvme-pci: do not call nvme_dev_remove_admin from nvme_remove
KVM: x86/pmu: Clear anythread deprecated bit when 0xa leaf is unsupported on the SVM
perf inject: Fix dso->nsinfo refcounting
perf map: Fix dso->nsinfo refcounting
perf probe: Fix dso->nsinfo refcounting
perf env: Fix sibling_dies memory leak
perf test session_topology: Delete session->evlist
perf test event_update: Fix memory leak of evlist
perf dso: Fix memory leak in dso__new_map()
perf test maps__merge_in: Fix memory leak of maps
perf env: Fix memory leak of cpu_pmu_caps
perf report: Free generated help strings for sort option
perf script: Fix memory 'threads' and 'cpus' leaks on exit
perf lzma: Close lzma stream on exit
perf probe-file: Delete namelist in del_events() on the error path
perf data: Close all files in close_dir()
perf sched: Fix record failure when CONFIG_SCHEDSTATS is not set
ASoC: wm_adsp: Correct wm_coeff_tlv_get handling
spi: imx: add a check for speed_hz before calculating the clock
spi: stm32: fixes pm_runtime calls in probe/remove
regulator: hi6421: Use correct variable type for regmap api val argument
regulator: hi6421: Fix getting wrong drvdata
spi: mediatek: fix fifo rx mode
ASoC: rt5631: Fix regcache sync errors on resume
bpf, test: fix NULL pointer dereference on invalid expected_attach_type
bpf: Fix tail_call_reachable rejection for interpreter when jit failed
xdp, net: Fix use-after-free in bpf_xdp_link_release
timers: Fix get_next_timer_interrupt() with no timers pending
liquidio: Fix unintentional sign extension issue on left shift of u16
s390/bpf: Perform r1 range checking before accessing jit->seen_reg[r1]
bpf, sockmap: Fix potential memory leak on unlikely error case
bpf, sockmap, tcp: sk_prot needs inuse_idx set for proc stats
bpf, sockmap, udp: sk_prot needs inuse_idx set for proc stats
bpftool: Check malloc return value in mount_bpffs_for_pin
net: fix uninit-value in caif_seqpkt_sendmsg
usb: hso: fix error handling code of hso_create_net_device
dma-mapping: handle vmalloc addresses in dma_common_{mmap,get_sgtable}
efi/tpm: Differentiate missing and invalid final event log table.
net: decnet: Fix sleeping inside in af_decnet
KVM: PPC: Book3S: Fix CONFIG_TRANSACTIONAL_MEM=n crash
KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak
net: sched: fix memory leak in tcindex_partial_destroy_work
sctp: trim optlen when it's a huge value in sctp_setsockopt
netrom: Decrease sock refcount when sock timers expire
scsi: iscsi: Fix iface sysfs attr detection
scsi: target: Fix protect handling in WRITE SAME(32)
spi: cadence: Correct initialisation of runtime PM again
ACPI: Kconfig: Fix table override from built-in initrd
bnxt_en: don't disable an already disabled PCI device
bnxt_en: Refresh RoCE capabilities in bnxt_ulp_probe()
bnxt_en: Add missing check for BNXT_STATE_ABORT_ERR in bnxt_fw_rset_task()
bnxt_en: Validate vlan protocol ID on RX packets
bnxt_en: Check abort error state in bnxt_half_open_nic()
net: hisilicon: rename CACHE_LINE_MASK to avoid redefinition
net/tcp_fastopen: fix data races around tfo_active_disable_stamp
ALSA: hda: intel-dsp-cfg: add missing ElkhartLake PCI ID
net: hns3: fix possible mismatches resp of mailbox
net: hns3: fix rx VLAN offload state inconsistent issue
spi: spi-bcm2835: Fix deadlock
net/sched: act_skbmod: Skip non-Ethernet packets
ipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions
ceph: don't WARN if we're still opening a session to an MDS
nvme-pci: don't WARN_ON in nvme_reset_work if ctrl.state is not RESETTING
Revert "USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem"
afs: Fix tracepoint string placement with built-in AFS
r8169: Avoid duplicate sysfs entry creation error
nvme: set the PRACT bit when using Write Zeroes with T10 PI
sctp: update active_key for asoc when old key is being replaced
tcp: disable TFO blackhole logic by default
net: dsa: sja1105: make VID 4095 a bridge VLAN too
net: sched: cls_api: Fix the the wrong parameter
drm/panel: raspberrypi-touchscreen: Prevent double-free
cifs: only write 64kb at a time when fallocating a small region of a file
cifs: fix fallocate when trying to allocate a hole.
proc: Avoid mixing integer types in mem_rw()
mmc: core: Don't allocate IDA for OF aliases
s390/ftrace: fix ftrace_update_ftrace_func implementation
s390/boot: fix use of expolines in the DMA code
ALSA: usb-audio: Add missing proc text entry for BESPOKEN type
ALSA: usb-audio: Add registration quirk for JBL Quantum headsets
ALSA: sb: Fix potential ABBA deadlock in CSP driver
ALSA: hda/realtek: Fix pop noise and 2 Front Mic issues on a machine
ALSA: hdmi: Expose all pins on MSI MS-7C94 board
ALSA: pcm: Call substream ack() method upon compat mmap commit
ALSA: pcm: Fix mmap capability check
Revert "usb: renesas-xhci: Fix handling of unknown ROM state"
usb: xhci: avoid renesas_usb_fw.mem when it's unusable
xhci: Fix lost USB 2 remote wake
KVM: PPC: Book3S: Fix H_RTAS rets buffer overflow
KVM: PPC: Book3S HV Nested: Sanitise H_ENTER_NESTED TM state
usb: hub: Disable USB 3 device initiated lpm if exit latency is too high
usb: hub: Fix link power management max exit latency (MEL) calculations
USB: usb-storage: Add LaCie Rugged USB3-FW to IGNORE_UAS
usb: max-3421: Prevent corruption of freed memory
usb: renesas_usbhs: Fix superfluous irqs happen after usb_pkt_pop()
USB: serial: option: add support for u-blox LARA-R6 family
USB: serial: cp210x: fix comments for GE CS1000
USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick
usb: gadget: Fix Unbalanced pm_runtime_enable in tegra_xudc_probe
usb: dwc2: gadget: Fix GOUTNAK flow for Slave mode.
usb: dwc2: gadget: Fix sending zero length packet in DDMA mode.
usb: typec: stusb160x: register role switch before interrupt registration
firmware/efi: Tell memblock about EFI iomem reservations
tracepoints: Update static_call before tp_funcs when adding a tracepoint
tracing/histogram: Rename "cpu" to "common_cpu"
tracing: Fix bug in rb_per_cpu_empty() that might cause deadloop.
tracing: Synthetic event field_pos is an index not a boolean
btrfs: check for missing device in btrfs_trim_fs
media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf()
ixgbe: Fix packet corruption due to missing DMA sync
bus: mhi: core: Validate channel ID when processing command completions
posix-cpu-timers: Fix rearm racing against process tick
selftest: use mmap instead of posix_memalign to allocate memory
io_uring: explicitly count entries for poll reqs
io_uring: remove double poll entry on arm failure
userfaultfd: do not untag user pointers
memblock: make for_each_mem_range() traverse MEMBLOCK_HOTPLUG regions
hugetlbfs: fix mount mode command line processing
rbd: don't hold lock_rwsem while running_list is being drained
rbd: always kick acquire on "acquired" and "released" notifications
misc: eeprom: at24: Always append device id even if label property is set.
nds32: fix up stack guard gap
driver core: Prevent warning when removing a device link from unregistered consumer
drm: Return -ENOTTY for non-drm ioctls
drm/amdgpu: update golden setting for sienna_cichlid
net: dsa: mv88e6xxx: enable SerDes RX stats for Topaz
net: dsa: mv88e6xxx: enable SerDes PCS register dump via ethtool -d on Topaz
PCI: Mark AMD Navi14 GPU ATS as broken
bonding: fix build issue
skbuff: Release nfct refcount on napi stolen or re-used skbs
Documentation: Fix intiramfs script name
perf inject: Close inject.output on exit
usb: ehci: Prevent missed ehci interrupts with edge-triggered MSI
drm/i915/gvt: Clear d3_entered on elsp cmd submission.
sfc: ensure correct number of XDP queues
xhci: add xhci_get_virt_ep() helper
skbuff: Fix build with SKB extensions disabled
Linux 5.10.54
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ifd2823b47ab1544cd1f168b138624ffe060a471e
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Florian Fainelli
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c9f8e17990 |
skbuff: Fix build with SKB extensions disabled
commit |
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Paul Blakey
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570341f10e |
skbuff: Release nfct refcount on napi stolen or re-used skbs
commit |
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Xuan Zhuo
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ca9ba1de8f |
xdp, net: Fix use-after-free in bpf_xdp_link_release
[ 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
|
||
|
Sebastian Andrzej Siewior
|
3393405257 |
net: Treat __napi_schedule_irqoff() as __napi_schedule() on PREEMPT_RT
[ Upstream commit
|
||
|
Bae Soukjin
|
2cff74e08c |
ANDROID: vendor_hooks: Add vendor hook to the net
android_vh_ptype_head:
To add a debugging chain to ptype list
android_vh_kfree_skb
To sniff the dropped packet at kernel network
Bug: 163716381
Signed-off-by: Bae Soukjin <soukjin.bae@samsung.com>
Change-Id: Ide80bf0a129da31a1824d4a33026ac42be327361
(cherry picked from commit d88b2969cfa78608ad4563e5f4fa84497cc0ffa6)
(cherry picked from commit a8021ba684c584b8a4361d1680f6e466748ab012)
|
||
|
Yunsheng Lin
|
f9fc21e2b1 |
net: sched: fix tx action reschedule issue with stopped queue
[ Upstream commit |
||
|
Yunsheng Lin
|
2f23d5bcd9 |
net: sched: fix tx action rescheduling issue during deactivation
[ Upstream commit |
||
|
Alexander Lobakin
|
da54cc2549 |
gro: fix napi_gro_frags() Fast GRO breakage due to IP alignment check
[ Upstream commit |
||
|
Eric Dumazet
|
9143158a6b |
gro: ensure frag0 meets IP header alignment
commit |
||
|
Martin Willi
|
8dc08a2962 |
can: dev: Move device back to init netns on owning netns delete
commit |
||
|
Jiri Bohac
|
943e1583bf |
net: check all name nodes in __dev_alloc_name
[ Upstream commit |
||
|
Cong Wang
|
1fc205d9e4 |
net: fix dev_ifsioc_locked() race condition
commit |
||
|
wenxu
|
496ef46dbf |
net/sched: fix miss init the mru in qdisc_skb_cb
[ Upstream commit |
||
|
Eric Dumazet
|
9e6ce473e9 |
net: gro: do not keep too many GRO packets in napi->rx_list
commit |
||
|
Tariq Toukan
|
f0f3d3e6e9 |
net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled
commit |
||
|
Toke Høiland-Jørgensen
|
998f172962 |
xdp: Remove the xdp_attachment_flags_ok() callback
Since commit |
||
|
Björn Töpel
|
36ccdf8582 |
net, xsk: Avoid taking multiple skbuff references
Commit |
||
|
Willy Tarreau
|
3744741ada |
random32: add noise from network and scheduling activity
With the removal of the interrupt perturbations in previous random32
change (random32: make prandom_u32() output unpredictable), the PRNG
has become 100% deterministic again. While SipHash is expected to be
way more robust against brute force than the previous Tausworthe LFSR,
there's still the risk that whoever has even one temporary access to
the PRNG's internal state is able to predict all subsequent draws till
the next reseed (roughly every minute). This may happen through a side
channel attack or any data leak.
This patch restores the spirit of commit
|
||
|
Taehee Yoo
|
0e8b8d6a2d |
net: core: use list_del_init() instead of list_del() in netdev_run_todo()
dev->unlink_list is reused unless dev is deleted.
So, list_del() should not be used.
Due to using list_del(), dev->unlink_list can't be reused so that
dev->nested_level update logic doesn't work.
In order to fix this bug, list_del_init() should be used instead
of list_del().
Test commands:
ip link add bond0 type bond
ip link add bond1 type bond
ip link set bond0 master bond1
ip link set bond0 nomaster
ip link set bond1 master bond0
ip link set bond1 nomaster
Splat looks like:
[ 255.750458][ T1030] ============================================
[ 255.751967][ T1030] WARNING: possible recursive locking detected
[ 255.753435][ T1030] 5.9.0-rc8+ #772 Not tainted
[ 255.754553][ T1030] --------------------------------------------
[ 255.756047][ T1030] ip/1030 is trying to acquire lock:
[ 255.757304][ T1030] ffff88811782a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: dev_mc_sync_multiple+0xc2/0x150
[ 255.760056][ T1030]
[ 255.760056][ T1030] but task is already holding lock:
[ 255.761862][ T1030] ffff88811130a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: bond_enslave+0x3d4d/0x43e0 [bonding]
[ 255.764581][ T1030]
[ 255.764581][ T1030] other info that might help us debug this:
[ 255.766645][ T1030] Possible unsafe locking scenario:
[ 255.766645][ T1030]
[ 255.768566][ T1030] CPU0
[ 255.769415][ T1030] ----
[ 255.770259][ T1030] lock(&dev_addr_list_lock_key/1);
[ 255.771629][ T1030] lock(&dev_addr_list_lock_key/1);
[ 255.772994][ T1030]
[ 255.772994][ T1030] *** DEADLOCK ***
[ 255.772994][ T1030]
[ 255.775091][ T1030] May be due to missing lock nesting notation
[ 255.775091][ T1030]
[ 255.777182][ T1030] 2 locks held by ip/1030:
[ 255.778299][ T1030] #0: ffffffffb1f63250 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2e4/0x8b0
[ 255.780600][ T1030] #1: ffff88811130a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: bond_enslave+0x3d4d/0x43e0 [bonding]
[ 255.783411][ T1030]
[ 255.783411][ T1030] stack backtrace:
[ 255.784874][ T1030] CPU: 7 PID: 1030 Comm: ip Not tainted 5.9.0-rc8+ #772
[ 255.786595][ T1030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
[ 255.789030][ T1030] Call Trace:
[ 255.789850][ T1030] dump_stack+0x99/0xd0
[ 255.790882][ T1030] __lock_acquire.cold.71+0x166/0x3cc
[ 255.792285][ T1030] ? register_lock_class+0x1a30/0x1a30
[ 255.793619][ T1030] ? rcu_read_lock_sched_held+0x91/0xc0
[ 255.794963][ T1030] ? rcu_read_lock_bh_held+0xa0/0xa0
[ 255.796246][ T1030] lock_acquire+0x1b8/0x850
[ 255.797332][ T1030] ? dev_mc_sync_multiple+0xc2/0x150
[ 255.798624][ T1030] ? bond_enslave+0x3d4d/0x43e0 [bonding]
[ 255.800039][ T1030] ? check_flags+0x50/0x50
[ 255.801143][ T1030] ? lock_contended+0xd80/0xd80
[ 255.802341][ T1030] _raw_spin_lock_nested+0x2e/0x70
[ 255.803592][ T1030] ? dev_mc_sync_multiple+0xc2/0x150
[ 255.804897][ T1030] dev_mc_sync_multiple+0xc2/0x150
[ 255.806168][ T1030] bond_enslave+0x3d58/0x43e0 [bonding]
[ 255.807542][ T1030] ? __lock_acquire+0xe53/0x51b0
[ 255.808824][ T1030] ? bond_update_slave_arr+0xdc0/0xdc0 [bonding]
[ 255.810451][ T1030] ? check_chain_key+0x236/0x5e0
[ 255.811742][ T1030] ? mutex_is_locked+0x13/0x50
[ 255.812910][ T1030] ? rtnl_is_locked+0x11/0x20
[ 255.814061][ T1030] ? netdev_master_upper_dev_get+0xf/0x120
[ 255.815553][ T1030] do_setlink+0x94c/0x3040
[ ... ]
Reported-by: syzbot+4a0f7bc34e3997a6c7df@syzkaller.appspotmail.com
Fixes:
|
||
|
Heiner Kallweit
|
44fa32f008 |
net: add function dev_fetch_sw_netstats for fetching pcpu_sw_netstats
In several places the same code is used to populate rtnl_link_stats64 fields with data from pcpu_sw_netstats. Therefore factor out this code to a new function dev_fetch_sw_netstats(). v2: - constify argument netstats - don't ignore netstats being NULL or an ERRPTR - switch to EXPORT_SYMBOL_GPL Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/6d16a338-52f5-df69-0020-6bc771a7d498@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
ccdf7fae3a |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says: ==================== pull-request: bpf-next 2020-10-12 The main changes are: 1) The BPF verifier improvements to track register allocation pattern, from Alexei and Yonghong. 2) libbpf relocation support for different size load/store, from Andrii. 3) bpf_redirect_peer() helper and support for inner map array with different max_entries, from Daniel. 4) BPF support for per-cpu variables, form Hao. 5) sockmap improvements, from John. ==================== Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Daniel Borkmann
|
9aa1206e8f |
bpf: Add redirect_peer helper
Add an efficient ingress to ingress netns switch that can be used out of tc BPF
programs in order to redirect traffic from host ns ingress into a container
veth device ingress without having to go via CPU backlog queue [0]. For local
containers this can also be utilized and path via CPU backlog queue only needs
to be taken once, not twice. On a high level this borrows from ipvlan which does
similar switch in __netif_receive_skb_core() and then iterates via another_round.
This helps to reduce latency for mentioned use cases.
Pod to remote pod with redirect(), TCP_RR [1]:
# percpu_netperf 10.217.1.33
RT_LATENCY: 122.450 (per CPU: 122.666 122.401 122.333 122.401 )
MEAN_LATENCY: 121.210 (per CPU: 121.100 121.260 121.320 121.160 )
STDDEV_LATENCY: 120.040 (per CPU: 119.420 119.910 125.460 115.370 )
MIN_LATENCY: 46.500 (per CPU: 47.000 47.000 47.000 45.000 )
P50_LATENCY: 118.500 (per CPU: 118.000 119.000 118.000 119.000 )
P90_LATENCY: 127.500 (per CPU: 127.000 128.000 127.000 128.000 )
P99_LATENCY: 130.750 (per CPU: 131.000 131.000 129.000 132.000 )
TRANSACTION_RATE: 32666.400 (per CPU: 8152.200 8169.842 8174.439 8169.897 )
Pod to remote pod with redirect_peer(), TCP_RR:
# percpu_netperf 10.217.1.33
RT_LATENCY: 44.449 (per CPU: 43.767 43.127 45.279 45.622 )
MEAN_LATENCY: 45.065 (per CPU: 44.030 45.530 45.190 45.510 )
STDDEV_LATENCY: 84.823 (per CPU: 66.770 97.290 84.380 90.850 )
MIN_LATENCY: 33.500 (per CPU: 33.000 33.000 34.000 34.000 )
P50_LATENCY: 43.250 (per CPU: 43.000 43.000 43.000 44.000 )
P90_LATENCY: 46.750 (per CPU: 46.000 47.000 47.000 47.000 )
P99_LATENCY: 52.750 (per CPU: 51.000 54.000 53.000 53.000 )
TRANSACTION_RATE: 90039.500 (per CPU: 22848.186 23187.089 22085.077 21919.130 )
[0] https://linuxplumbersconf.org/event/7/contributions/674/attachments/568/1002/plumbers_2020_cilium_load_balancer.pdf
[1] https://github.com/borkmann/netperf_scripts/blob/master/percpu_netperf
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201010234006.7075-3-daniel@iogearbox.net
|
||
|
David S. Miller
|
8b0308fe31 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Rejecting non-native endian BTF overlapped with the addition of support for it. The rest were more simple overlapping changes, except the renesas ravb binding update, which had to follow a file move as well as a YAML conversion. Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Sebastian Andrzej Siewior
|
c11171a413 |
net: Add netif_rx_any_context()
Quite some drivers make conditional decisions based on in_interrupt() to invoke either netif_rx() or netif_rx_ni(). Conditionals based on in_interrupt() or other variants of preempt count checks in drivers should not exist for various reasons and Linus clearly requested to either split the code pathes or pass an argument to the common functions which provides the context. This is obviously the correct solution, but for some of the affected drivers this needs a major rewrite due to their convoluted structure. As in_interrupt() usage in drivers needs to be phased out, provide netif_rx_any_context() as a stop gap for these drivers. This confines the in_interrupt() conditional to core code which in turn allows to remove the access to this check for driver code and provides one central place to do further modifications once the driver maze is cleaned up. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Taehee Yoo
|
1fc70edb7d |
net: core: add nested_level variable in net_device
This patch is to add a new variable 'nested_level' into the net_device
structure.
This variable will be used as a parameter of spin_lock_nested() of
dev->addr_list_lock.
netif_addr_lock() can be called recursively so spin_lock_nested() is
used instead of spin_lock() and dev->lower_level is used as a parameter
of spin_lock_nested().
But, dev->lower_level value can be updated while it is being used.
So, lockdep would warn a possible deadlock scenario.
When a stacked interface is deleted, netif_{uc | mc}_sync() is
called recursively.
So, spin_lock_nested() is called recursively too.
At this moment, the dev->lower_level variable is used as a parameter of it.
dev->lower_level value is updated when interfaces are being unlinked/linked
immediately.
Thus, After unlinking, dev->lower_level shouldn't be a parameter of
spin_lock_nested().
A (macvlan)
|
B (vlan)
|
C (bridge)
|
D (macvlan)
|
E (vlan)
|
F (bridge)
A->lower_level : 6
B->lower_level : 5
C->lower_level : 4
D->lower_level : 3
E->lower_level : 2
F->lower_level : 1
When an interface 'A' is removed, it releases resources.
At this moment, netif_addr_lock() would be called.
Then, netdev_upper_dev_unlink() is called recursively.
Then dev->lower_level is updated.
There is no problem.
But, when the bridge module is removed, 'C' and 'F' interfaces
are removed at once.
If 'F' is removed first, a lower_level value is like below.
A->lower_level : 5
B->lower_level : 4
C->lower_level : 3
D->lower_level : 2
E->lower_level : 1
F->lower_level : 1
Then, 'C' is removed. at this moment, netif_addr_lock() is called
recursively.
The ordering is like this.
C(3)->D(2)->E(1)->F(1)
At this moment, the lower_level value of 'E' and 'F' are the same.
So, lockdep warns a possible deadlock scenario.
In order to avoid this problem, a new variable 'nested_level' is added.
This value is the same as dev->lower_level - 1.
But this value is updated in rtnl_unlock().
So, this variable can be used as a parameter of spin_lock_nested() safely
in the rtnl context.
Test commands:
ip link add br0 type bridge vlan_filtering 1
ip link add vlan1 link br0 type vlan id 10
ip link add macvlan2 link vlan1 type macvlan
ip link add br3 type bridge vlan_filtering 1
ip link set macvlan2 master br3
ip link add vlan4 link br3 type vlan id 10
ip link add macvlan5 link vlan4 type macvlan
ip link add br6 type bridge vlan_filtering 1
ip link set macvlan5 master br6
ip link add vlan7 link br6 type vlan id 10
ip link add macvlan8 link vlan7 type macvlan
ip link set br0 up
ip link set vlan1 up
ip link set macvlan2 up
ip link set br3 up
ip link set vlan4 up
ip link set macvlan5 up
ip link set br6 up
ip link set vlan7 up
ip link set macvlan8 up
modprobe -rv bridge
Splat looks like:
[ 36.057436][ T744] WARNING: possible recursive locking detected
[ 36.058848][ T744] 5.9.0-rc6+ #728 Not tainted
[ 36.059959][ T744] --------------------------------------------
[ 36.061391][ T744] ip/744 is trying to acquire lock:
[ 36.062590][ T744] ffff8c4767509280 (&vlan_netdev_addr_lock_key){+...}-{2:2}, at: dev_set_rx_mode+0x19/0x30
[ 36.064922][ T744]
[ 36.064922][ T744] but task is already holding lock:
[ 36.066626][ T744] ffff8c4767769280 (&vlan_netdev_addr_lock_key){+...}-{2:2}, at: dev_uc_add+0x1e/0x60
[ 36.068851][ T744]
[ 36.068851][ T744] other info that might help us debug this:
[ 36.070731][ T744] Possible unsafe locking scenario:
[ 36.070731][ T744]
[ 36.072497][ T744] CPU0
[ 36.073238][ T744] ----
[ 36.074007][ T744] lock(&vlan_netdev_addr_lock_key);
[ 36.075290][ T744] lock(&vlan_netdev_addr_lock_key);
[ 36.076590][ T744]
[ 36.076590][ T744] *** DEADLOCK ***
[ 36.076590][ T744]
[ 36.078515][ T744] May be due to missing lock nesting notation
[ 36.078515][ T744]
[ 36.080491][ T744] 3 locks held by ip/744:
[ 36.081471][ T744] #0: ffffffff98571df0 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x236/0x490
[ 36.083614][ T744] #1: ffff8c4767769280 (&vlan_netdev_addr_lock_key){+...}-{2:2}, at: dev_uc_add+0x1e/0x60
[ 36.085942][ T744] #2: ffff8c476c8da280 (&bridge_netdev_addr_lock_key/4){+...}-{2:2}, at: dev_uc_sync+0x39/0x80
[ 36.088400][ T744]
[ 36.088400][ T744] stack backtrace:
[ 36.089772][ T744] CPU: 6 PID: 744 Comm: ip Not tainted 5.9.0-rc6+ #728
[ 36.091364][ T744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
[ 36.093630][ T744] Call Trace:
[ 36.094416][ T744] dump_stack+0x77/0x9b
[ 36.095385][ T744] __lock_acquire+0xbc3/0x1f40
[ 36.096522][ T744] lock_acquire+0xb4/0x3b0
[ 36.097540][ T744] ? dev_set_rx_mode+0x19/0x30
[ 36.098657][ T744] ? rtmsg_ifinfo+0x1f/0x30
[ 36.099711][ T744] ? __dev_notify_flags+0xa5/0xf0
[ 36.100874][ T744] ? rtnl_is_locked+0x11/0x20
[ 36.101967][ T744] ? __dev_set_promiscuity+0x7b/0x1a0
[ 36.103230][ T744] _raw_spin_lock_bh+0x38/0x70
[ 36.104348][ T744] ? dev_set_rx_mode+0x19/0x30
[ 36.105461][ T744] dev_set_rx_mode+0x19/0x30
[ 36.106532][ T744] dev_set_promiscuity+0x36/0x50
[ 36.107692][ T744] __dev_set_promiscuity+0x123/0x1a0
[ 36.108929][ T744] dev_set_promiscuity+0x1e/0x50
[ 36.110093][ T744] br_port_set_promisc+0x1f/0x40 [bridge]
[ 36.111415][ T744] br_manage_promisc+0x8b/0xe0 [bridge]
[ 36.112728][ T744] __dev_set_promiscuity+0x123/0x1a0
[ 36.113967][ T744] ? __hw_addr_sync_one+0x23/0x50
[ 36.115135][ T744] __dev_set_rx_mode+0x68/0x90
[ 36.116249][ T744] dev_uc_sync+0x70/0x80
[ 36.117244][ T744] dev_uc_add+0x50/0x60
[ 36.118223][ T744] macvlan_open+0x18e/0x1f0 [macvlan]
[ 36.119470][ T744] __dev_open+0xd6/0x170
[ 36.120470][ T744] __dev_change_flags+0x181/0x1d0
[ 36.121644][ T744] dev_change_flags+0x23/0x60
[ 36.122741][ T744] do_setlink+0x30a/0x11e0
[ 36.123778][ T744] ? __lock_acquire+0x92c/0x1f40
[ 36.124929][ T744] ? __nla_validate_parse.part.6+0x45/0x8e0
[ 36.126309][ T744] ? __lock_acquire+0x92c/0x1f40
[ 36.127457][ T744] __rtnl_newlink+0x546/0x8e0
[ 36.128560][ T744] ? lock_acquire+0xb4/0x3b0
[ 36.129623][ T744] ? deactivate_slab.isra.85+0x6a1/0x850
[ 36.130946][ T744] ? __lock_acquire+0x92c/0x1f40
[ 36.132102][ T744] ? lock_acquire+0xb4/0x3b0
[ 36.133176][ T744] ? is_bpf_text_address+0x5/0xe0
[ 36.134364][ T744] ? rtnl_newlink+0x2e/0x70
[ 36.135445][ T744] ? rcu_read_lock_sched_held+0x32/0x60
[ 36.136771][ T744] ? kmem_cache_alloc_trace+0x2d8/0x380
[ 36.138070][ T744] ? rtnl_newlink+0x2e/0x70
[ 36.139164][ T744] rtnl_newlink+0x47/0x70
[ ... ]
Fixes:
|
||
|
Taehee Yoo
|
eff7423365 |
net: core: introduce struct netdev_nested_priv for nested interface infrastructure
Functions related to nested interface infrastructure such as
netdev_walk_all_{ upper | lower }_dev() pass both private functions
and "data" pointer to handle their own things.
At this point, the data pointer type is void *.
In order to make it easier to expand common variables and functions,
this new netdev_nested_priv structure is added.
In the following patch, a new member variable will be added into this
struct to fix the lockdep issue.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||
|
Taehee Yoo
|
fe8300fd8d |
net: core: add __netdev_upper_dev_unlink()
The netdev_upper_dev_unlink() has to work differently according to flags. This idea is the same with __netdev_upper_dev_link(). In the following patches, new flags will be added. Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Mauro Carvalho Chehab
|
de2b541b3b |
net: fix a new kernel-doc warning at dev.c
kernel-doc expects the function prototype to be just after
the kernel-doc markup, as otherwise it will get it all wrong:
./net/core/dev.c:10036: warning: Excess function parameter 'dev' description in 'WAIT_REFS_MIN_MSECS'
Fixes:
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David S. Miller
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6d772f328d |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says: ==================== pull-request: bpf-next 2020-09-23 The following pull-request contains BPF updates for your *net-next* tree. We've added 95 non-merge commits during the last 22 day(s) which contain a total of 124 files changed, 4211 insertions(+), 2040 deletions(-). The main changes are: 1) Full multi function support in libbpf, from Andrii. 2) Refactoring of function argument checks, from Lorenz. 3) Make bpf_tail_call compatible with functions (subprograms), from Maciej. 4) Program metadata support, from YiFei. 5) bpf iterator optimizations, from Yonghong. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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David S. Miller
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3ab0a7a0c3 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Two minor conflicts: 1) net/ipv4/route.c, adding a new local variable while moving another local variable and removing it's initial assignment. 2) drivers/net/dsa/microchip/ksz9477.c, overlapping changes. One pretty prints the port mode differently, whilst another changes the driver to try and obtain the port mode from the port node rather than the switch node. Signed-off-by: David S. Miller <davem@davemloft.net> |
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Randy Dunlap
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4250b75b40 |
net: core: delete duplicated words
Drop repeated words in net/core/. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Francesco Ruggeri
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0e4be9e57e |
net: use exponential backoff in netdev_wait_allrefs
The combination of aca_free_rcu, introduced in commit |
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YiFei Zhu
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984fe94f94 |
bpf: Mutex protect used_maps array and count
To support modifying the used_maps array, we use a mutex to protect the use of the counter and the array. The mutex is initialized right after the prog aux is allocated, and destroyed right before prog aux is freed. This way we guarantee it's initialized for both cBPF and eBPF. Signed-off-by: YiFei Zhu <zhuyifei@google.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Cc: YiFei Zhu <zhuyifei1999@gmail.com> Link: https://lore.kernel.org/bpf/20200915234543.3220146-2-sdf@google.com |
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Vladimir Oltean
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b14a9fc452 |
__netif_receive_skb_core: don't untag vlan from skb on DSA master
A DSA master interface has upper network devices, each representing an
Ethernet switch port attached to it. Demultiplexing the source ports and
setting skb->dev accordingly is done through the catch-all ETH_P_XDSA
packet_type handler. Catch-all because DSA vendors have various header
implementations, which can be placed anywhere in the frame: before the
DMAC, before the EtherType, before the FCS, etc. So, the ETH_P_XDSA
handler acts like an rx_handler more than anything.
It is unlikely for the DSA master interface to have any other upper than
the DSA switch interfaces themselves. Only maybe a bridge upper*, but it
is very likely that the DSA master will have no 8021q upper. So
__netif_receive_skb_core() will try to untag the VLAN, despite the fact
that the DSA switch interface might have an 8021q upper. So the skb will
never reach that.
So far, this hasn't been a problem because most of the possible
placements of the DSA switch header mentioned in the first paragraph
will displace the VLAN header when the DSA master receives the frame, so
__netif_receive_skb_core() will not actually execute any VLAN-specific
code for it. This only becomes a problem when the DSA switch header does
not displace the VLAN header (for example with a tail tag).
What the patch does is it bypasses the untagging of the skb when there
is a DSA switch attached to this net device. So, DSA is the only
packet_type handler which requires seeing the VLAN header. Once skb->dev
will be changed, __netif_receive_skb_core() will be invoked again and
untagging, or delivery to an 8021q upper, will happen in the RX of the
DSA switch interface itself.
*see commit
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Paolo Abeni
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2de79ee27f |
net: try to avoid unneeded backlog flush
flush_all_backlogs() may cause deadlock on systems running processes with FIFO scheduling policy. The above is critical in -RT scenarios, where user-space specifically ensure no network activity is scheduled on the CPU running the mentioned FIFO process, but still get stuck. This commit tries to address the problem checking the backlog status on the remote CPUs before scheduling the flush operation. If the backlog is empty, we can skip it. v1 -> v2: - explicitly clear flushed cpu mask - Eric Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Ido Schimmel
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e1b9efe6ba |
net: Fix bridge enslavement failure
When a netdev is enslaved to a bridge, its parent identifier is queried.
This is done so that packets that were already forwarded in hardware
will not be forwarded again by the bridge device between netdevs
belonging to the same hardware instance.
The operation fails when the netdev is an upper of netdevs with
different parent identifiers.
Instead of failing the enslavement, have dev_get_port_parent_id() return
'-EOPNOTSUPP' which will signal the bridge to skip the query operation.
Other callers of the function are not affected by this change.
Fixes:
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Jakub Kicinski
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5251ef8299 |
net: make sure napi_list is safe for RCU traversal
netpoll needs to traverse dev->napi_list under RCU, make sure it uses the right iterator and that removal from this list is handled safely. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Jakub Kicinski
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4d092dd204 |
net: manage napi add/del idempotence explicitly
To RCUify napi->dev_list we need to replace list_del_init() with list_del_rcu(). There is no _init() version for RCU for obvious reasons. Up until now netif_napi_del() was idempotent so to make sure it remains such add a bit which is set when NAPI is listed, and cleared when it removed. Since we don't expect multiple calls to netif_napi_add() to be correct, add a warning on that side. Now that napi_hash_add / napi_hash_del are only called by napi_add / del we can actually steal its bit. We just need to make sure hash node is initialized correctly. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Jakub Kicinski
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5198d545db |
net: remove napi_hash_del() from driver-facing API
We allow drivers to call napi_hash_del() before calling netif_napi_del() to batch RCU grace periods. This makes the API asymmetric and leaks internal implementation details. Soon we will want the grace period to protect more than just the NAPI hash table. Restructure the API and have drivers call a new function - __netif_napi_del() if they want to take care of RCU waits. Note that only core was checking the return status from napi_hash_del() so the new helper does not report if the NAPI was actually deleted. Some notes on driver oddness: - veth observed the grace period before calling netif_napi_del() but that should not matter - myri10ge observed normal RCU flavor - bnx2x and enic did not actually observe the grace period (unless they did so implicitly) - virtio_net and enic only unhashed Rx NAPIs The last two points seem to indicate that the calls to napi_hash_del() were a left over rather than an optimization. Regardless, it's easy enough to correct them. This patch may introduce extra synchronize_net() calls for interfaces which set NAPI_STATE_NO_BUSY_POLL and depend on free_netdev() to call netif_napi_del(). This seems inevitable since we want to use RCU for netpoll dev->napi_list traversal, and almost no drivers set IFF_DISABLE_NETPOLL. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Jonathan Neuschäfer
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ee1a4c84a7 |
net: Add a missing word
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Linus Torvalds
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3e8d3bdc2a |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) Use netif_rx_ni() when necessary in batman-adv stack, from Jussi
Kivilinna.
2) Fix loss of RTT samples in rxrpc, from David Howells.
3) Memory leak in hns_nic_dev_probe(), from Dignhao Liu.
4) ravb module cannot be unloaded, fix from Yuusuke Ashizuka.
5) We disable BH for too lokng in sctp_get_port_local(), add a
cond_resched() here as well, from Xin Long.
6) Fix memory leak in st95hf_in_send_cmd, from Dinghao Liu.
7) Out of bound access in bpf_raw_tp_link_fill_link_info(), from
Yonghong Song.
8) Missing of_node_put() in mt7530 DSA driver, from Sumera
Priyadarsini.
9) Fix crash in bnxt_fw_reset_task(), from Michael Chan.
10) Fix geneve tunnel checksumming bug in hns3, from Yi Li.
11) Memory leak in rxkad_verify_response, from Dinghao Liu.
12) In tipc, don't use smp_processor_id() in preemptible context. From
Tuong Lien.
13) Fix signedness issue in mlx4 memory allocation, from Shung-Hsi Yu.
14) Missing clk_disable_prepare() in gemini driver, from Dan Carpenter.
15) Fix ABI mismatch between driver and firmware in nfp, from Louis
Peens.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (110 commits)
net/smc: fix sock refcounting in case of termination
net/smc: reset sndbuf_desc if freed
net/smc: set rx_off for SMCR explicitly
net/smc: fix toleration of fake add_link messages
tg3: Fix soft lockup when tg3_reset_task() fails.
doc: net: dsa: Fix typo in config code sample
net: dp83867: Fix WoL SecureOn password
nfp: flower: fix ABI mismatch between driver and firmware
tipc: fix shutdown() of connectionless socket
ipv6: Fix sysctl max for fib_multipath_hash_policy
drivers/net/wan/hdlc: Change the default of hard_header_len to 0
net: gemini: Fix another missing clk_disable_unprepare() in probe
net: bcmgenet: fix mask check in bcmgenet_validate_flow()
amd-xgbe: Add support for new port mode
net: usb: dm9601: Add USB ID of Keenetic Plus DSL
vhost: fix typo in error message
net: ethernet: mlx4: Fix memory allocation in mlx4_buddy_init()
pktgen: fix error message with wrong function name
net: ethernet: ti: am65-cpsw: fix rmii 100Mbit link mode
cxgb4: fix thermal zone device registration
...
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Jakub Kicinski
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96e97bc07e |
net: disable netpoll on fresh napis
napi_disable() makes sure to set the NAPI_STATE_NPSVC bit to prevent
netpoll from accessing rings before init is complete. However, the
same is not done for fresh napi instances in netif_napi_add(),
even though we expect NAPI instances to be added as disabled.
This causes crashes during driver reconfiguration (enabling XDP,
changing the channel count) - if there is any printk() after
netif_napi_add() but before napi_enable().
To ensure memory ordering is correct we need to use RCU accessors.
Reported-by: Rob Sherwood <rsher@fb.com>
Fixes:
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Gustavo A. R. Silva
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df561f6688 |
treewide: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> |
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Andrii Nakryiko
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c8a36f1945 |
bpf: xdp: Fix XDP mode when no mode flags specified
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David S. Miller
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7f9bf6e824 |
Revert "net: xdp: pull ethernet header off packet after computing skb->protocol"
This reverts commit
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Jason A. Donenfeld
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f8414a8d88 |
net: xdp: pull ethernet header off packet after computing skb->protocol
When an XDP program changes the ethernet header protocol field,
eth_type_trans is used to recalculate skb->protocol. In order for
eth_type_trans to work correctly, the ethernet header must actually be
part of the skb data segment, so the code first pushes that onto the
head of the skb. However, it subsequently forgets to pull it back off,
making the behavior of the passed-on packet inconsistent between the
protocol modifying case and the static protocol case. This patch fixes
the issue by simply pulling the ethernet header back off of the skb
head.
Fixes:
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Andrii Nakryiko
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068d9d1eba |
bpf: Fix XDP FD-based attach/detach logic around XDP_FLAGS_UPDATE_IF_NOEXIST
Enforce XDP_FLAGS_UPDATE_IF_NOEXIST only if new BPF program to be attached is
non-NULL (i.e., we are not detaching a BPF program).
Fixes:
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David S. Miller
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2e7199bd77 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2020-08-04
The following pull-request contains BPF updates for your *net-next* tree.
We've added 73 non-merge commits during the last 9 day(s) which contain
a total of 135 files changed, 4603 insertions(+), 1013 deletions(-).
The main changes are:
1) Implement bpf_link support for XDP. Also add LINK_DETACH operation for the BPF
syscall allowing processes with BPF link FD to force-detach, from Andrii Nakryiko.
2) Add BPF iterator for map elements and to iterate all BPF programs for efficient
in-kernel inspection, from Yonghong Song and Alexei Starovoitov.
3) Separate bpf_get_{stack,stackid}() helpers for perf events in BPF to avoid
unwinder errors, from Song Liu.
4) Allow cgroup local storage map to be shared between programs on the same
cgroup. Also extend BPF selftests with coverage, from YiFei Zhu.
5) Add BPF exception tables to ARM64 JIT in order to be able to JIT BPF_PROBE_MEM
load instructions, from Jean-Philippe Brucker.
6) Follow-up fixes on BPF socket lookup in combination with reuseport group
handling. Also add related BPF selftests, from Jakub Sitnicki.
7) Allow to use socket storage in BPF_PROG_TYPE_CGROUP_SOCK-typed programs for
socket create/release as well as bind functions, from Stanislav Fomichev.
8) Fix an info leak in xsk_getsockopt() when retrieving XDP stats via old struct
xdp_statistics, from Peilin Ye.
9) Fix PT_REGS_RC{,_CORE}() macros in libbpf for MIPS arch, from Jerry Crunchtime.
10) Extend BPF kernel test infra with skb->family and skb->{local,remote}_ip{4,6}
fields and allow user space to specify skb->dev via ifindex, from Dmitry Yakunin.
11) Fix a bpftool segfault due to missing program type name and make it more robust
to prevent them in future gaps, from Quentin Monnet.
12) Consolidate cgroup helper functions across selftests and fix a v6 localhost
resolver issue, from John Fastabend.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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