android_kernel_xiaomi_sm8350/mm/usercopy.c
Srinivasarao Pathipati a965799388 Merge android11-5.4.191+ (375c2e2) into msm-5.4
* refs/heads/tmp-375c2e2:
  Revert "oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup"
  Linux 5.4.191
  Revert "net: micrel: fix KS8851_MLL Kconfig"
  block/compat_ioctl: fix range check in BLKGETSIZE
  staging: ion: Prevent incorrect reference counting behavour
  spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller
  jbd2: fix a potential race while discarding reserved buffers after an abort
  ext4: force overhead calculation if the s_overhead_cluster makes no sense
  ext4: fix overhead calculation to account for the reserved gdt blocks
  ext4, doc: fix incorrect h_reserved size
  ext4: limit length to bitmap_maxbytes - blocksize in punch_hole
  ext4: fix use-after-free in ext4_search_dir
  ext4: fix symlink file size not match to file content
  arm_pmu: Validate single/group leader events
  ARC: entry: fix syscall_trace_exit argument
  e1000e: Fix possible overflow in LTR decoding
  ASoC: soc-dapm: fix two incorrect uses of list iterator
  openvswitch: fix OOB access in reserve_sfa_size()
  xtensa: fix a7 clobbering in coprocessor context load/store
  xtensa: patch_text: Fixup last cpu should be master
  powerpc/perf: Fix power9 event alternatives
  drm/vc4: Use pm_runtime_resume_and_get to fix pm_runtime_get_sync() usage
  KVM: PPC: Fix TCE handling for VFIO
  drm/panel/raspberrypi-touchscreen: Initialise the bridge in prepare
  drm/panel/raspberrypi-touchscreen: Avoid NULL deref if not initialised
  dma: at_xdmac: fix a missing check on list iterator
  ata: pata_marvell: Check the 'bmdma_addr' beforing reading
  oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup
  EDAC/synopsys: Read the error count from the correct register
  stat: fix inconsistency between struct stat and struct compat_stat
  scsi: qedi: Fix failed disconnect handling
  net: macb: Restart tx only if queue pointer is lagging
  drm/msm/mdp5: check the return of kzalloc()
  dpaa_eth: Fix missing of_node_put in dpaa_get_ts_info()
  brcmfmac: sdio: Fix undefined behavior due to shift overflowing the constant
  mt76: Fix undefined behavior due to shift overflowing the constant
  cifs: Check the IOCB_DIRECT flag, not O_DIRECT
  vxlan: fix error return code in vxlan_fdb_append
  ALSA: usb-audio: Fix undefined behavior due to shift overflowing the constant
  platform/x86: samsung-laptop: Fix an unsigned comparison which can never be negative
  reset: tegra-bpmp: Restore Handle errors in BPMP response
  ARM: vexpress/spc: Avoid negative array index when !SMP
  selftests: mlxsw: vxlan_flooding: Prevent flooding of unwanted packets
  netlink: reset network and mac headers in netlink_dump()
  l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
  net/sched: cls_u32: fix possible leak in u32_init_knode()
  net/packet: fix packet_sock xmit return value checking
  net/smc: Fix sock leak when release after smc_shutdown()
  rxrpc: Restore removed timer deletion
  igc: Fix BUG: scheduling while atomic
  igc: Fix infinite loop in release_swfw_sync
  dmaengine: mediatek:Fix PM usage reference leak of mtk_uart_apdma_alloc_chan_resources
  dmaengine: imx-sdma: Fix error checking in sdma_event_remap
  ASoC: msm8916-wcd-digital: Check failure for devm_snd_soc_register_component
  ASoC: atmel: Remove system clock tree configuration for at91sam9g20ek
  ALSA: usb-audio: Clear MIDI port active flag after draining
  tcp: Fix potential use-after-free due to double kfree()
  net/sched: cls_u32: fix netns refcount changes in u32_change()
  tcp: fix race condition when creating child sockets from syncookies
  gfs2: assign rgrp glock before compute_bitstructs
  can: usb_8dev: usb_8dev_start_xmit(): fix double dev_kfree_skb() in error path
  tracing: Dump stacktrace trigger to the corresponding instance
  mm: page_alloc: fix building error on -Werror=array-compare
  etherdevice: Adjust ether_addr* prototypes to silence -Wstringop-overead
  Linux 5.4.190
  ax25: Fix UAF bugs in ax25 timers
  ax25: Fix NULL pointer dereferences in ax25 timers
  ax25: fix NPD bug in ax25_disconnect
  ax25: fix UAF bug in ax25_send_control()
  ax25: Fix refcount leaks caused by ax25_cb_del()
  ax25: fix UAF bugs of net_device caused by rebinding operation
  ax25: fix reference count leaks of ax25_dev
  ax25: add refcount in ax25_dev to avoid UAF bugs
  dma-direct: avoid redundant memory sync for swiotlb
  i2c: pasemi: Wait for write xfers to finish
  smp: Fix offline cpu check in flush_smp_call_function_queue()
  dm integrity: fix memory corruption when tag_size is less than digest size
  ARM: davinci: da850-evm: Avoid NULL pointer dereference
  tick/nohz: Use WARN_ON_ONCE() to prevent console saturation
  genirq/affinity: Consider that CPUs on nodes can be unbalanced
  drm/amd/display: don't ignore alpha property on pre-multiplied mode
  ipv6: fix panic when forwarding a pkt with no in6 dev
  ALSA: pcm: Test for "silence" field in struct "pcm_format_data"
  ALSA: hda/realtek: Add quirk for Clevo PD50PNT
  btrfs: mark resumed async balance as writing
  btrfs: remove unused variable in btrfs_{start,write}_dirty_block_groups()
  ath9k: Fix usage of driver-private space in tx_info
  ath9k: Properly clear TX status area before reporting to mac80211
  gcc-plugins: latent_entropy: use /dev/urandom
  mm: kmemleak: take a full lowmem check in kmemleak_*_phys()
  mm, page_alloc: fix build_zonerefs_node()
  perf/imx_ddr: Fix undefined behavior due to shift overflowing the constant
  drivers: net: slip: fix NPD bug in sl_tx_timeout()
  scsi: megaraid_sas: Target with invalid LUN ID is deleted during scan
  scsi: mvsas: Add PCI ID of RocketRaid 2640
  powerpc: Fix virt_addr_valid() for 64-bit Book3E & 32-bit
  drm/amd/display: Fix allocate_mst_payload assert on resume
  net: usb: aqc111: Fix out-of-bounds accesses in RX fixup
  tlb: hugetlb: Add more sizes to tlb_remove_huge_tlb_entry
  arm64: alternatives: mark patch_alternative() as `noinstr`
  regulator: wm8994: Add an off-on delay for WM8994 variant
  gpu: ipu-v3: Fix dev_dbg frequency output
  ata: libata-core: Disable READ LOG DMA EXT for Samsung 840 EVOs
  net: micrel: fix KS8851_MLL Kconfig
  scsi: ibmvscsis: Increase INITIAL_SRP_LIMIT to 1024
  scsi: target: tcmu: Fix possible page UAF
  Drivers: hv: vmbus: Prevent load re-ordering when reading ring buffer
  drm/amdkfd: Check for potential null return of kmalloc_array()
  drm/amdkfd: Fix Incorrect VMIDs passed to HWS
  drm/amd/display: Update VTEM Infopacket definition
  drm/amd/display: fix audio format not updated after edid updated
  drm/amd: Add USBC connector ID
  cifs: potential buffer overflow in handling symlinks
  nfc: nci: add flush_workqueue to prevent uaf
  testing/selftests/mqueue: Fix mq_perf_tests to free the allocated cpu set
  sctp: Initialize daddr on peeled off socket
  net/smc: Fix NULL pointer dereference in smc_pnet_find_ib()
  drm/msm/dsi: Use connector directly in msm_dsi_manager_connector_init()
  cfg80211: hold bss_lock while updating nontrans_list
  net/sched: taprio: Check if socket flags are valid
  net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link
  net/sched: fix initialization order when updating chain 0 head
  mlxsw: i2c: Fix initialization error flow
  gpiolib: acpi: use correct format characters
  veth: Ensure eth header is in skb's linear part
  net/sched: flower: fix parsing of ethertype following VLAN header
  memory: atmel-ebi: Fix missing of_node_put in atmel_ebi_probe
  ANDROID: GKI: fix crc issue with commit 3f91687e6e ("block: don't merge across cgroup boundaries if blkcg is enabled")
  Revert "PCI: Reduce warnings on possible RW1C corruption"
  Linux 5.4.189
  ACPI: processor idle: Check for architectural support for LPI
  cpuidle: PSCI: Move the `has_lpi` check to the beginning of the function
  selftests: cgroup: Test open-time cgroup namespace usage for migration checks
  selftests: cgroup: Test open-time credential usage for migration checks
  selftests: cgroup: Make cg_create() use 0755 for permission instead of 0644
  cgroup: Use open-time cgroup namespace for process migration perm checks
  cgroup: Allocate cgroup_file_ctx for kernfs_open_file->priv
  cgroup: Use open-time credentials for process migraton perm checks
  io_uring: fix fs->users overflow
  drm/amdkfd: Fix -Wstrict-prototypes from amdgpu_amdkfd_gfx_10_0_get_functions()
  drm/amdkfd: add missing void argument to function kgd2kfd_init
  mm/sparsemem: fix 'mem_section' will never be NULL gcc 12 warning
  arm64: module: remove (NOLOAD) from linker script
  mm: don't skip swap entry even if zap_details specified
  mmc: mmci: stm32: correctly check all elements of sg list
  mmc: mmci_sdmmc: Replace sg_dma_xxx macros
  dmaengine: Revert "dmaengine: shdma: Fix runtime PM imbalance on error"
  tools build: Use $(shell ) instead of `` to get embedded libperl's ccopts
  tools build: Filter out options and warnings not supported by clang
  irqchip/gic-v3: Fix GICR_CTLR.RWP polling
  perf: qcom_l2_pmu: fix an incorrect NULL check on list iterator
  ata: sata_dwc_460ex: Fix crash due to OOB write
  arm64: patch_text: Fixup last cpu should be master
  btrfs: fix qgroup reserve overflow the qgroup limit
  x86/speculation: Restore speculation related MSRs during S3 resume
  x86/pm: Save the MSR validity status at context setup
  mm/mempolicy: fix mpol_new leak in shared_policy_replace
  mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)
  lz4: fix LZ4_decompress_safe_partial read out of bound
  mmc: renesas_sdhi: don't overwrite TAP settings when HS400 tuning is complete
  Revert "mmc: sdhci-xenon: fix annoying 1.8V regulator warning"
  perf session: Remap buf if there is no space for event
  perf tools: Fix perf's libperf_print callback
  SUNRPC: Handle low memory situations in call_status()
  SUNRPC: Handle ENOMEM in call_transmit_status()
  drbd: Fix five use after free bugs in get_initial_state
  bpf: Support dual-stack sockets in bpf_tcp_check_syncookie
  spi: bcm-qspi: fix MSPI only access with bcm_qspi_exec_mem_op()
  qede: confirm skb is allocated before using
  rxrpc: fix a race in rxrpc_exit_net()
  net: openvswitch: don't send internal clone attribute to the userspace.
  ipv6: Fix stats accounting in ip6_pkt_drop
  dpaa2-ptp: Fix refcount leak in dpaa2_ptp_probe
  IB/rdmavt: add lock to call to rvt_error_qp to prevent a race condition
  bnxt_en: reserve space inside receive page for skb_shared_info
  drm/imx: Fix memory leak in imx_pd_connector_get_modes
  net: stmmac: Fix unset max_speed difference between DT and non-DT platforms
  net: ipv4: fix route with nexthop object delete warning
  net/tls: fix slab-out-of-bounds bug in decrypt_internal
  scsi: zorro7xx: Fix a resource leak in zorro7xx_remove_one()
  Drivers: hv: vmbus: Fix potential crash on module unload
  drm/amdgpu: fix off by one in amdgpu_gfx_kiq_acquire()
  KVM: arm64: Check arm64_get_bp_hardening_data() didn't return NULL
  mm: fix race between MADV_FREE reclaim and blkdev direct IO read
  parisc: Fix patch code locking and flushing
  parisc: Fix CPU affinity for Lasi, WAX and Dino chips
  SUNRPC: Fix socket waits for write buffer space
  jfs: prevent NULL deref in diFree
  virtio_console: eliminate anonymous module_init & module_exit
  serial: samsung_tty: do not unlock port->lock for uart_write_wakeup()
  NFS: swap-out must always use STABLE writes.
  NFS: swap IO handling is slightly different for O_DIRECT IO
  SUNRPC/call_alloc: async tasks mustn't block waiting for memory
  clk: Enforce that disjoints limits are invalid
  xen: delay xen_hvm_init_time_ops() if kdump is boot on vcpu>=32
  NFSv4: Protect the state recovery thread against direct reclaim
  w1: w1_therm: fixes w1_seq for ds28ea00 sensors
  clk: si5341: fix reported clk_rate when output divider is 2
  minix: fix bug when opening a file with O_DIRECT
  init/main.c: return 1 from handled __setup() functions
  netlabel: fix out-of-bounds memory accesses
  Bluetooth: Fix use after free in hci_send_acl
  xtensa: fix DTC warning unit_address_format
  usb: dwc3: omap: fix "unbalanced disables for smps10_out1" on omap5evm
  scsi: libfc: Fix use after free in fc_exch_abts_resp()
  MIPS: fix fortify panic when copying asm exception handlers
  bnxt_en: Eliminate unintended link toggle during FW reset
  tuntap: add sanity checks about msg_controllen in sendmsg
  macvtap: advertise link netns via netlink
  mips: ralink: fix a refcount leak in ill_acc_of_setup()
  net/smc: correct settings of RMB window update limit
  scsi: aha152x: Fix aha152x_setup() __setup handler return value
  scsi: pm8001: Fix pm8001_mpi_task_abort_resp()
  drm/amdkfd: make CRAT table missing message informational only
  dm ioctl: prevent potential spectre v1 gadget
  ipv4: Invalidate neighbour for broadcast address upon address addition
  power: supply: axp288-charger: Set Vhold to 4.4V
  PCI: pciehp: Add Qualcomm quirk for Command Completed erratum
  usb: ehci: add pci device support for Aspeed platforms
  iommu/arm-smmu-v3: fix event handling soft lockup
  PCI: aardvark: Fix support for MSI interrupts
  drm/amdgpu: Fix recursive locking warning
  powerpc: Set crashkernel offset to mid of RMA region
  ipv6: make mc_forwarding atomic
  power: supply: axp20x_battery: properly report current when discharging
  scsi: bfa: Replace snprintf() with sysfs_emit()
  scsi: mvsas: Replace snprintf() with sysfs_emit()
  bpf: Make dst_port field in struct bpf_sock 16-bit wide
  powerpc: dts: t104xrdb: fix phy type for FMAN 4/5
  ptp: replace snprintf with sysfs_emit
  drm/amd/amdgpu/amdgpu_cs: fix refcount leak of a dma_fence obj
  ath5k: fix OOB in ath5k_eeprom_read_pcal_info_5111
  drm: Add orientation quirk for GPD Win Max
  KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs
  ARM: 9187/1: JIVE: fix return value of __setup handler
  riscv module: remove (NOLOAD)
  rtc: wm8350: Handle error for wm8350_register_irq
  ubifs: Rectify space amount budget for mkdir/tmpfile operations
  KVM: x86: Forbid VMM to set SYNIC/STIMER MSRs when SynIC wasn't activated
  KVM: x86/mmu: do compare-and-exchange of gPTE via the user address
  openvswitch: Fixed nd target mask field in the flow dump.
  um: Fix uml_mconsole stop/go
  ARM: dts: spear13xx: Update SPI dma properties
  ARM: dts: spear1340: Update serial node properties
  ASoC: topology: Allow TLV control to be either read or write
  ubi: fastmap: Return error code if memory allocation fails in add_aeb()
  dt-bindings: spi: mxic: The interrupt property is not mandatory
  dt-bindings: mtd: nand-controller: Fix a comment in the examples
  dt-bindings: mtd: nand-controller: Fix the reg property description
  bpf: Fix comment for helper bpf_current_task_under_cgroup()
  mm/usercopy: return 1 from hardened_usercopy __setup() handler
  mm/memcontrol: return 1 from cgroup.memory __setup() handler
  mm/mmap: return 1 from stack_guard_gap __setup() handler
  ASoC: soc-compress: Change the check for codec_dai
  powerpc/kasan: Fix early region not updated correctly
  ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
  ARM: iop32x: offset IRQ numbers by 1
  ubi: Fix race condition between ctrl_cdev_ioctl and ubi_cdev_ioctl
  ASoC: mediatek: mt6358: add missing EXPORT_SYMBOLs
  pinctrl: nuvoton: npcm7xx: Use %zu printk format for ARRAY_SIZE()
  pinctrl: nuvoton: npcm7xx: Rename DS() macro to DSTR()
  pinctrl: pinconf-generic: Print arguments for bias-pull-*
  net: hns3: fix software vlan talbe of vlan 0 inconsistent with hardware
  gfs2: Make sure FITRIM minlen is rounded up to fs block size
  rtc: check if __rtc_read_time was successful
  XArray: Update the LRU list in xas_split()
  can: mcba_usb: properly check endpoint type
  can: mcba_usb: mcba_usb_start_xmit(): fix double dev_kfree_skb in error path
  XArray: Fix xas_create_range() when multi-order entry present
  ubifs: rename_whiteout: correct old_dir size computing
  ubifs: Fix read out-of-bounds in ubifs_wbuf_write_nolock()
  ubifs: setflags: Make dirtied_ino_d 8 bytes aligned
  ubifs: Add missing iput if do_tmpfile() failed in rename whiteout
  ubifs: Fix deadlock in concurrent rename whiteout and inode writeback
  ubifs: rename_whiteout: Fix double free for whiteout_ui->data
  ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM
  KVM: x86: fix sending PV IPI
  KVM: Prevent module exit until all VMs are freed
  scsi: qla2xxx: Use correct feature type field during RFF_ID processing
  scsi: qla2xxx: Reduce false trigger to login
  scsi: qla2xxx: Fix N2N inconsistent PLOGI
  scsi: qla2xxx: Fix missed DMA unmap for NVMe ls requests
  scsi: qla2xxx: Fix hang due to session stuck
  scsi: qla2xxx: Fix incorrect reporting of task management failure
  scsi: qla2xxx: Fix disk failure to rediscover
  scsi: qla2xxx: Suppress a kernel complaint in qla_create_qpair()
  scsi: qla2xxx: Check for firmware dump already collected
  scsi: qla2xxx: Add devids and conditionals for 28xx
  scsi: qla2xxx: Fix device reconnect in loop topology
  scsi: qla2xxx: Fix warning for missing error code
  scsi: qla2xxx: Fix wrong FDMI data for 64G adapter
  scsi: qla2xxx: Fix stuck session in gpdb
  powerpc: Fix build errors with newer binutils
  powerpc/lib/sstep: Fix build errors with newer binutils
  powerpc/lib/sstep: Fix 'sthcx' instruction
  ALSA: hda/realtek: Add alc256-samsung-headphone fixup
  mmc: host: Return an error when ->enable_sdio_irq() ops is missing
  media: hdpvr: initialize dev->worker at hdpvr_register_videodev
  media: Revert "media: em28xx: add missing em28xx_close_extension"
  video: fbdev: sm712fb: Fix crash in smtcfb_write()
  ARM: mmp: Fix failure to remove sram device
  ARM: tegra: tamonten: Fix I2C3 pad setting
  media: cx88-mpeg: clear interrupt status register before streaming video
  ASoC: soc-core: skip zero num_dai component in searching dai name
  video: fbdev: udlfb: replace snprintf in show functions with sysfs_emit
  video: fbdev: omapfb: panel-tpo-td043mtea1: Use sysfs_emit() instead of snprintf()
  video: fbdev: omapfb: panel-dsi-cm: Use sysfs_emit() instead of snprintf()
  ASoC: madera: Add dependencies on MFD
  ARM: dts: bcm2837: Add the missing L1/L2 cache information
  ARM: dts: qcom: fix gic_irq_domain_translate warnings for msm8960
  video: fbdev: omapfb: acx565akm: replace snprintf with sysfs_emit
  video: fbdev: cirrusfb: check pixclock to avoid divide by zero
  video: fbdev: w100fb: Reset global state
  video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow
  ntfs: add sanity check on allocation size
  ext4: don't BUG if someone dirty pages without asking ext4 first
  spi: tegra20: Use of_device_get_match_data()
  PM: core: keep irq flags in device_pm_check_callbacks()
  ACPI/APEI: Limit printable size of BERT table data
  Revert "Revert "block, bfq: honor already-setup queue merges""
  lib/raid6/test/Makefile: Use $(pound) instead of \# for Make 4.3
  ACPICA: Avoid walking the ACPI Namespace if it is not there
  bfq: fix use-after-free in bfq_dispatch_request
  irqchip/nvic: Release nvic_base upon failure
  irqchip/qcom-pdc: Fix broken locking
  Fix incorrect type in assignment of ipv6 port for audit
  loop: use sysfs_emit() in the sysfs xxx show()
  selinux: use correct type for context length
  block, bfq: don't move oom_bfqq
  pinctrl: npcm: Fix broken references to chip->parent_device
  gcc-plugins/stackleak: Exactly match strings instead of prefixes
  LSM: general protection fault in legacy_parse_param
  lib/test: use after free in register_test_dev_kmod()
  net: dsa: bcm_sf2_cfp: fix an incorrect NULL check on list iterator
  NFSv4/pNFS: Fix another issue with a list iterator pointing to the head
  net/x25: Fix null-ptr-deref caused by x25_disconnect
  qlcnic: dcb: default to returning -EOPNOTSUPP
  selftests: test_vxlan_under_vrf: Fix broken test case
  net: phy: broadcom: Fix brcm_fet_config_init()
  xen: fix is_xen_pmu()
  clk: Initialize orphan req_rate
  clk: qcom: gcc-msm8994: Fix gpll4 width
  NFSv4.1: don't retry BIND_CONN_TO_SESSION on session error
  netfilter: nf_conntrack_tcp: preserve liberal flag in tcp options
  jfs: fix divide error in dbNextAG
  driver core: dd: fix return value of __setup handler
  firmware: google: Properly state IOMEM dependency
  kgdbts: fix return value of __setup handler
  kgdboc: fix return value of __setup handler
  tty: hvc: fix return value of __setup handler
  pinctrl/rockchip: Add missing of_node_put() in rockchip_pinctrl_probe
  pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe
  pinctrl: mediatek: paris: Fix pingroup pin config state readback
  pinctrl: mediatek: paris: Fix "argument" argument type for mtk_pinconf_get()
  pinctrl: mediatek: Fix missing of_node_put() in mtk_pctrl_init
  staging: mt7621-dts: fix LEDs and pinctrl on GB-PC1 devicetree
  NFS: remove unneeded check in decode_devicenotify_args()
  clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver
  clk: clps711x: Terminate clk_div_table with sentinel element
  clk: loongson1: Terminate clk_div_table with sentinel element
  clk: actions: Terminate clk_div_table with sentinel element
  remoteproc: qcom_wcnss: Add missing of_node_put() in wcnss_alloc_memory_region
  remoteproc: qcom: Fix missing of_node_put in adsp_alloc_memory_region
  clk: qcom: clk-rcg2: Update the frac table for pixel clock
  clk: qcom: clk-rcg2: Update logic to calculate D value for RCG
  clk: imx7d: Remove audio_mclk_root_clk
  dma-debug: fix return value of __setup handlers
  NFS: Return valid errors from nfs2/3_decode_dirent()
  iio: adc: Add check for devm_request_threaded_irq
  serial: 8250: Fix race condition in RTS-after-send handling
  serial: 8250_mid: Balance reference count for PCI DMA device
  phy: dphy: Correct lpx parameter and its derivatives(ta_{get,go,sure})
  clk: qcom: ipq8074: Use floor ops for SDCC1 clock
  pinctrl: renesas: r8a77470: Reduce size for narrow VIN1 channel
  staging:iio:adc:ad7280a: Fix handing of device address bit reversing.
  misc: alcor_pci: Fix an error handling path
  pwm: lpc18xx-sct: Initialize driver data and hardware before pwmchip_add()
  mxser: fix xmit_buf leak in activate when LSR == 0xff
  mfd: asic3: Add missing iounmap() on error asic3_mfd_probe
  tipc: fix the timer expires after interval 100ms
  openvswitch: always update flow key after nat
  tcp: ensure PMTU updates are processed during fastopen
  selftests/bpf/test_lirc_mode2.sh: Exit with proper code
  i2c: mux: demux-pinctrl: do not deactivate a master that is not active
  af_netlink: Fix shift out of bounds in group mask calculation
  Bluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt
  USB: storage: ums-realtek: fix error code in rts51x_read_mem()
  bpf, sockmap: Fix double uncharge the mem of sk_msg
  bpf, sockmap: Fix more uncharged while msg has more_data
  bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full
  RDMA/mlx5: Fix memory leak in error flow for subscribe event routine
  mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init
  MIPS: RB532: fix return value of __setup handler
  vxcan: enable local echo for sent CAN frames
  powerpc: 8xx: fix a return value error in mpc8xx_pic_init
  selftests/bpf: Make test_lwt_ip_encap more stable and faster
  mfd: mc13xxx: Add check for mc13xxx_irq_request
  powerpc/sysdev: fix incorrect use to determine if list is empty
  mips: DEC: honor CONFIG_MIPS_FP_SUPPORT=n
  PCI: Reduce warnings on possible RW1C corruption
  power: supply: wm8350-power: Add missing free in free_charger_irq
  power: supply: wm8350-power: Handle error for wm8350_register_irq
  i2c: xiic: Make bus names unique
  hv_balloon: rate-limit "Unhandled message" warning
  KVM: x86/emulator: Defer not-present segment check in __load_segment_descriptor()
  KVM: x86: Fix emulation in writing cr8
  powerpc/Makefile: Don't pass -mcpu=powerpc64 when building 32-bit
  libbpf: Skip forward declaration when counting duplicated type names
  bpf, arm64: Feed byte-offset into bpf line info
  bpf, arm64: Call build_prologue() first in first JIT pass
  drm/bridge: cdns-dsi: Make sure to to create proper aliases for dt
  scsi: hisi_sas: Change permission of parameter prot_mask
  power: supply: bq24190_charger: Fix bq24190_vbus_is_enabled() wrong false return
  drm/tegra: Fix reference leak in tegra_dsi_ganged_probe
  ext2: correct max file size computing
  TOMOYO: fix __setup handlers return values
  drm/amd/display: Remove vupdate_int_entry definition
  scsi: pm8001: Fix abort all task initialization
  scsi: pm8001: Fix payload initialization in pm80xx_set_thermal_config()
  scsi: pm8001: Fix command initialization in pm8001_chip_ssp_tm_req()
  scsi: pm8001: Fix command initialization in pm80XX_send_read_log()
  dm crypt: fix get_key_size compiler warning if !CONFIG_KEYS
  iwlwifi: mvm: Fix an error code in iwl_mvm_up()
  iwlwifi: Fix -EIO error code that is never returned
  dax: make sure inodes are flushed before destroy cache
  IB/cma: Allow XRC INI QPs to set their local ACK timeout
  drm/amd/display: Add affected crtcs to atomic state for dsc mst unplug
  iommu/ipmmu-vmsa: Check for error num after setting mask
  HID: i2c-hid: fix GET/SET_REPORT for unnumbered reports
  power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init
  PCI: aardvark: Fix reading PCI_EXP_RTSTA_PME bit on emulated bridge
  net: dsa: mv88e6xxx: Enable port policy support on 6097
  mt76: mt7615: check sta_rates pointer in mt7615_sta_rate_tbl_update
  mt76: mt7603: check sta_rates pointer in mt7603_sta_rate_tbl_update
  powerpc/perf: Don't use perf_hw_context for trace IMC PMU
  ray_cs: Check ioremap return value
  power: reset: gemini-poweroff: Fix IRQ check in gemini_poweroff_probe
  i40e: don't reserve excessive XDP_PACKET_HEADROOM on XSK Rx to skb
  KVM: PPC: Fix vmx/vsx mixup in mmio emulation
  ath9k_htc: fix uninit value bugs
  drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()
  drm/edid: Don't clear formats if using deep color
  mtd: rawnand: gpmi: fix controller timings setting
  mtd: onenand: Check for error irq
  Bluetooth: hci_serdev: call init_rwsem() before p->open()
  udmabuf: validate ubuf->pagecount
  ath10k: fix memory overwrite of the WoWLAN wakeup packet pattern
  drm/bridge: Add missing pm_runtime_disable() in __dw_mipi_dsi_probe
  drm/bridge: Fix free wrong object in sii8620_init_rcp_input_dev
  ASoC: msm8916-wcd-analog: Fix error handling in pm8916_wcd_analog_spmi_probe
  mmc: davinci_mmc: Handle error for clk_enable
  ASoC: msm8916-wcd-digital: Fix missing clk_disable_unprepare() in msm8916_wcd_digital_probe
  ASoC: imx-es8328: Fix error return code in imx_es8328_probe()
  ASoC: mxs: Fix error handling in mxs_sgtl5000_probe
  ASoC: dmaengine: do not use a NULL prepare_slave_config() callback
  ivtv: fix incorrect device_caps for ivtvfb
  video: fbdev: omapfb: Add missing of_node_put() in dvic_probe_of
  ASoC: fsi: Add check for clk_enable
  ASoC: wm8350: Handle error for wm8350_register_irq
  ASoC: atmel: Add missing of_node_put() in at91sam9g20ek_audio_probe
  media: stk1160: If start stream fails, return buffers with VB2_BUF_STATE_QUEUED
  arm64: dts: rockchip: Fix SDIO regulator supply properties on rk3399-firefly
  ALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction
  memory: emif: check the pointer temp in get_device_details()
  memory: emif: Add check for setup_interrupts
  ASoC: soc-compress: prevent the potentially use of null pointer
  ASoC: atmel_ssc_dai: Handle errors for clk_enable
  ASoC: mxs-saif: Handle errors for clk_enable
  printk: fix return value of printk.devkmsg __setup handler
  arm64: dts: broadcom: Fix sata nodename
  arm64: dts: ns2: Fix spi-cpol and spi-cpha property
  ALSA: spi: Add check for clk_enable()
  ASoC: ti: davinci-i2s: Add check for clk_enable()
  ASoC: rt5663: check the return value of devm_kzalloc() in rt5663_parse_dp()
  uaccess: fix nios2 and microblaze get_user_8()
  media: usb: go7007: s2250-board: fix leak in probe()
  media: em28xx: initialize refcount before kref_get
  media: video/hdmi: handle short reads of hdmi info frame.
  ARM: dts: imx: Add missing LVDS decoder on M53Menlo
  soc: ti: wkup_m3_ipc: Fix IRQ check in wkup_m3_ipc_probe
  arm64: dts: qcom: sm8150: Correct TCS configuration for apps rsc
  soc: qcom: aoss: remove spurious IRQF_ONESHOT flags
  soc: qcom: rpmpd: Check for null return of devm_kcalloc
  ARM: dts: qcom: ipq4019: fix sleep clock
  video: fbdev: fbcvt.c: fix printing in fb_cvt_print_name()
  video: fbdev: atmel_lcdfb: fix an error code in atmel_lcdfb_probe()
  video: fbdev: smscufx: Fix null-ptr-deref in ufx_usb_probe()
  media: aspeed: Correct value for h-total-pixels
  media: hantro: Fix overfill bottom register field name
  media: coda: Fix missing put_device() call in coda_get_vdoa_data
  media: bttv: fix WARNING regression on tunerless devices
  f2fs: fix to avoid potential deadlock
  f2fs: fix missing free nid in f2fs_handle_failed_inode
  perf/x86/intel/pt: Fix address filter config for 32-bit kernel
  perf/core: Fix address filter parser for multiple filters
  sched/debug: Remove mpol_get/put and task_lock/unlock from sched_show_numa
  clocksource: acpi_pm: fix return value of __setup handler
  hwmon: (pmbus) Add Vin unit off handling
  crypto: ccp - ccp_dmaengine_unregister release dma channels
  ACPI: APEI: fix return value of __setup handlers
  clocksource/drivers/timer-of: Check return value of of_iomap in timer_of_base_init()
  crypto: vmx - add missing dependencies
  hwrng: atmel - disable trng on failure path
  PM: suspend: fix return value of __setup handler
  PM: hibernate: fix __setup handler error handling
  block: don't delete queue kobject before its children
  hwmon: (sch56xx-common) Replace WDOG_ACTIVE with WDOG_HW_RUNNING
  hwmon: (pmbus) Add mutex to regulator ops
  spi: pxa2xx-pci: Balance reference count for PCI DMA device
  crypto: ccree - don't attempt 0 len DMA mappings
  audit: log AUDIT_TIME_* records only from rules
  selftests/x86: Add validity check and allow field splitting
  spi: tegra114: Add missing IRQ check in tegra_spi_probe
  crypto: mxs-dcp - Fix scatterlist processing
  crypto: authenc - Fix sleep in atomic context in decrypt_tail
  regulator: qcom_smd: fix for_each_child.cocci warnings
  PCI: pciehp: Clear cmd_busy bit in polling mode
  brcmfmac: pcie: Fix crashes due to early IRQs
  brcmfmac: pcie: Replace brcmf_pcie_copy_mem_todev with memcpy_toio
  brcmfmac: pcie: Release firmwares in the brcmf_pcie_setup error path
  brcmfmac: firmware: Allocate space for default boardrev in nvram
  xtensa: fix xtensa_wsr always writing 0
  xtensa: fix stop_machine_cpuslocked call in patch_text
  media: davinci: vpif: fix unbalanced runtime PM get
  DEC: Limit PMAX memory probing to R3k systems
  crypto: rsa-pkcs1pad - fix buffer overread in pkcs1pad_verify_complete()
  crypto: rsa-pkcs1pad - restore signature length check
  crypto: rsa-pkcs1pad - correctly get hash from source scatterlist
  lib/raid6/test: fix multiple definition linking error
  thermal: int340x: Increase bitmap size
  carl9170: fix missing bit-wise or operator for tx_params
  ARM: dts: exynos: add missing HDMI supplies on SMDK5420
  ARM: dts: exynos: add missing HDMI supplies on SMDK5250
  ARM: dts: exynos: fix UART3 pins configuration in Exynos5250
  ARM: dts: at91: sama5d2: Fix PMERRLOC resource size
  video: fbdev: atari: Atari 2 bpp (STe) palette bugfix
  video: fbdev: sm712fb: Fix crash in smtcfb_read()
  drm/edid: check basic audio support on CEA extension block
  block: don't merge across cgroup boundaries if blkcg is enabled
  mailbox: tegra-hsp: Flush whole channel
  drivers: hamradio: 6pack: fix UAF bug caused by mod_timer()
  ACPI: properties: Consistently return -ENOENT if there are no more references
  udp: call udp_encap_enable for v6 sockets when enabling encap
  powerpc/kvm: Fix kvm_use_magic_page
  drbd: fix potential silent data corruption
  mm/kmemleak: reset tag when compare object pointer
  mm,hwpoison: unmap poisoned page before invalidation
  ALSA: hda/realtek: Fix audio regression on Mi Notebook Pro 2020
  ALSA: cs4236: fix an incorrect NULL check on list iterator
  Revert "Input: clear BTN_RIGHT/MIDDLE on buttonpads"
  riscv: Fix fill_callchain return value
  qed: validate and restrict untrusted VFs vlan promisc mode
  qed: display VF trust config
  scsi: libsas: Fix sas_ata_qc_issue() handling of NCQ NON DATA commands
  mempolicy: mbind_range() set_policy() after vma_merge()
  mm: invalidate hwpoison page cache page in fault path
  mm/pages_alloc.c: don't create ZONE_MOVABLE beyond the end of a node
  jffs2: fix memory leak in jffs2_scan_medium
  jffs2: fix memory leak in jffs2_do_mount_fs
  jffs2: fix use-after-free in jffs2_clear_xattr_subsystem
  can: ems_usb: ems_usb_start_xmit(): fix double dev_kfree_skb() in error path
  spi: mxic: Fix the transmit path
  pinctrl: samsung: drop pin banks references on error paths
  f2fs: fix to do sanity check on .cp_pack_total_block_count
  f2fs: quota: fix loop condition at f2fs_quota_sync()
  f2fs: fix to unlock page correctly in error path of is_alive()
  NFSD: prevent integer overflow on 32 bit systems
  NFSD: prevent underflow in nfssvc_decode_writeargs()
  SUNRPC: avoid race between mod_timer() and del_timer_sync()
  HID: intel-ish-hid: Use dma_alloc_coherent for firmware update
  Documentation: update stable tree link
  Documentation: add link to stable release candidate tree
  KEYS: fix length validation in keyctl_pkey_params_get_2()
  ptrace: Check PTRACE_O_SUSPEND_SECCOMP permission on PTRACE_SEIZE
  clk: uniphier: Fix fixed-rate initialization
  greybus: svc: fix an error handling bug in gb_svc_hello()
  iio: inkern: make a best effort on offset calculation
  iio: inkern: apply consumer scale when no channel scale is available
  iio: inkern: apply consumer scale on IIO_VAL_INT cases
  iio: afe: rescale: use s64 for temporary scale calculations
  coresight: Fix TRCCONFIGR.QE sysfs interface
  xhci: fix uninitialized string returned by xhci_decode_ctrl_ctx()
  xhci: make xhci_handshake timeout for xhci_reset() adjustable
  xhci: fix runtime PM imbalance in USB2 resume
  USB: usb-storage: Fix use of bitfields for hardware data in ene_ub6250.c
  virtio-blk: Use blk_validate_block_size() to validate block size
  block: Add a helper to validate the block size
  tpm: fix reference counting for struct tpm_chip
  iommu/iova: Improve 32-bit free space estimate
  net: dsa: microchip: add spi_device_id tables
  af_key: add __GFP_ZERO flag for compose_sadb_supported in function pfkey_register
  spi: Fix erroneous sgs value with min_t()
  net:mcf8390: Use platform_get_irq() to get the interrupt
  spi: Fix invalid sgs value
  ethernet: sun: Free the coherent when failing in probing
  virtio_console: break out of buf poll on remove
  xfrm: fix tunnel model fragmentation behavior
  HID: logitech-dj: add new lightspeed receiver id
  netdevice: add the case if dev is NULL
  USB: serial: simple: add Nokia phone driver
  USB: serial: pl2303: add IBM device IDs
  swiotlb: fix info leak with DMA_FROM_DEVICE
  Linux 5.4.188
  llc: only change llc->dev when bind() succeeds
  nds32: fix access_ok() checks in get/put_user
  tpm: use try_get_ops() in tpm-space.c
  mac80211: fix potential double free on mesh join
  rcu: Don't deboost before reporting expedited quiescent state
  crypto: qat - disable registration of algorithms
  ACPI: video: Force backlight native for Clevo NL5xRU and NL5xNU
  ACPI: battery: Add device HID and quirk for Microsoft Surface Go 3
  ACPI / x86: Work around broken XSDT on Advantech DAC-BJ01 board
  netfilter: nf_tables: initialize registers in nft_do_chain()
  ALSA: hda/realtek: Add quirk for ASUS GA402
  ALSA: hda/realtek - Fix headset mic problem for a HP machine with alc671
  ALSA: oss: Fix PCM OSS buffer allocation overflow
  ASoC: sti: Fix deadlock via snd_pcm_stop_xrun() call
  drivers: net: xgene: Fix regression in CRC stripping
  ALSA: pci: fix reading of swapped values from pcmreg in AC97 codec
  ALSA: cmipci: Restore aux vol on suspend/resume
  ALSA: usb-audio: Add mute TLV for playback volumes on RODE NT-USB
  ALSA: pcm: Add stream lock during PCM reset ioctl operations
  llc: fix netdevice reference leaks in llc_ui_bind()
  thermal: int340x: fix memory leak in int3400_notify()
  staging: fbtft: fb_st7789v: reset display before initialization
  tpm: Fix error handling in async work
  esp: Fix possible buffer overflow in ESP transformation
  net: ipv6: fix skb_over_panic in __ip6_append_data
  nfc: st21nfca: Fix potential buffer overflows in EVT_TRANSACTION
  nfsd: Containerise filecache laundrette
  nfsd: cleanup nfsd_file_lru_dispose()
  Linux 5.4.187
  Revert "selftests/bpf: Add test for bpf_timer overwriting crash"
  perf symbols: Fix symbol size calculation condition
  Input: aiptek - properly check endpoint type
  usb: usbtmc: Fix bug in pipe direction for control transfers
  usb: gadget: Fix use-after-free bug by not setting udc->dev.driver
  usb: gadget: rndis: prevent integer overflow in rndis_set_response()
  arm64: fix clang warning about TRAMP_VALIAS
  net: dsa: Add missing of_node_put() in dsa_port_parse_of
  net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()
  drm/panel: simple: Fix Innolux G070Y2-L01 BPP settings
  hv_netvsc: Add check for kvmalloc_array
  atm: eni: Add check for dma_map_single
  net/packet: fix slab-out-of-bounds access in packet_recvmsg()
  net: phy: marvell: Fix invalid comparison in the resume and suspend functions
  efi: fix return value of __setup handlers
  ocfs2: fix crash when initialize filecheck kobj fails
  crypto: qcom-rng - ensure buffer for generate is completely filled
  Linux 5.4.186
  fixup for "arm64 entry: Add macro for reading symbol address from the trampoline"
  kselftest/vm: fix tests build with old libc
  sfc: extend the locking on mcdi->seqno
  tcp: make tcp_read_sock() more robust
  nl80211: Update bss channel on channel switch for P2P_CLIENT
  drm/vrr: Set VRR capable prop only if it is attached to connector
  iwlwifi: don't advertise TWT support
  atm: firestream: check the return value of ioremap() in fs_init()
  can: rcar_canfd: rcar_canfd_channel_probe(): register the CAN device when fully ready
  ARM: 9178/1: fix unmet dependency on BITREVERSE for HAVE_ARCH_BITREVERSE
  MIPS: smp: fill in sibling and core maps earlier
  mac80211: refuse aggregations sessions before authorized
  ARM: dts: rockchip: fix a typo on rk3288 crypto-controller
  ARM: dts: rockchip: reorder rk322x hmdi clocks
  arm64: dts: agilex: use the compatible "intel,socfpga-agilex-hsotg"
  arm64: dts: rockchip: reorder rk3399 hdmi clocks
  arm64: dts: rockchip: fix rk3399-puma eMMC HS400 signal integrity
  xfrm: Fix xfrm migrate issues when address family changes
  xfrm: Check if_id in xfrm_migrate
  arm64: Use the clearbhb instruction in mitigations
  KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated
  arm64: Mitigate spectre style branch history side channels
  KVM: arm64: Add templates for BHB mitigation sequences
  arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2
  arm64: Add percpu vectors for EL1
  arm64: entry: Add macro for reading symbol addresses from the trampoline
  arm64: entry: Add vectors that have the bhb mitigation sequences
  arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations
  arm64: entry: Allow the trampoline text to occupy multiple pages
  arm64: entry: Make the kpti trampoline's kpti sequence optional
  arm64: entry: Move trampoline macros out of ifdef'd section
  arm64: entry: Don't assume tramp_vectors is the start of the vectors
  arm64: entry: Allow tramp_alias to access symbols after the 4K boundary
  arm64: entry: Move the trampoline data page before the text page
  arm64: entry: Free up another register on kpti's tramp_exit path
  arm64: entry: Make the trampoline cleanup optional
  arm64: entry.S: Add ventry overflow sanity checks
  arm64: Add Cortex-X2 CPU part definition
  arm64: add ID_AA64ISAR2_EL1 sys register
  arm64: Add Neoverse-N2, Cortex-A710 CPU part definition
  arm64: Add part number for Arm Cortex-A77
  sctp: fix the processing for INIT chunk
  Revert "xfrm: state and policy should fail if XFRMA_IF_ID 0"
  Linux 5.4.185
  KVM: SVM: Don't flush cache if hardware enforces cache coherency across encryption domains
  x86/mm/pat: Don't flush cache if hardware enforces cache coherency across encryption domnains
  x86/cpu: Add hardware-enforced cache coherency as a CPUID feature
  x86/cpufeatures: Mark two free bits in word 3
  ext4: add check to prevent attempting to resize an fs with sparse_super2
  ARM: fix Thumb2 regression with Spectre BHB
  virtio: acknowledge all features before access
  virtio: unexport virtio_finalize_features
  arm64: dts: marvell: armada-37xx: Remap IO space to bus address 0x0
  riscv: Fix auipc+jalr relocation range checks
  mmc: meson: Fix usage of meson_mmc_post_req()
  net: macb: Fix lost RX packet wakeup race in NAPI receive
  staging: gdm724x: fix use after free in gdm_lte_rx()
  fuse: fix pipe buffer lifetime for direct_io
  ARM: Spectre-BHB: provide empty stub for non-config
  selftests/memfd: clean up mapping in mfd_fail_write
  selftest/vm: fix map_fixed_noreplace test failure
  tracing: Ensure trace buffer is at least 4096 bytes large
  ipv6: prevent a possible race condition with lifetimes
  Revert "xen-netback: Check for hotplug-status existence before watching"
  Revert "xen-netback: remove 'hotplug-status' once it has served its purpose"
  net-sysfs: add check for netdevice being present to speed_show
  selftests/bpf: Add test for bpf_timer overwriting crash
  net: bcmgenet: Don't claim WOL when its not available
  sctp: fix kernel-infoleak for SCTP sockets
  net: phy: DP83822: clear MISR2 register to disable interrupts
  gianfar: ethtool: Fix refcount leak in gfar_get_ts_info
  gpio: ts4900: Do not set DAT and OE together
  selftests: pmtu.sh: Kill tcpdump processes launched by subshell.
  NFC: port100: fix use-after-free in port100_send_complete
  net/mlx5: Fix a race on command flush flow
  net/mlx5: Fix size field in bufferx_reg struct
  ax25: Fix NULL pointer dereference in ax25_kill_by_device
  net: ethernet: lpc_eth: Handle error for clk_enable
  net: ethernet: ti: cpts: Handle error for clk_enable
  ethernet: Fix error handling in xemaclite_of_probe
  ARM: dts: aspeed: Fix AST2600 quad spi group
  drm/sun4i: mixer: Fix P010 and P210 format numbers
  qed: return status of qed_iov_get_link
  net: qlogic: check the return value of dma_alloc_coherent() in qed_vf_hw_prepare()
  virtio-blk: Don't use MAX_DISCARD_SEGMENTS if max_discard_seg is zero
  arm64: dts: armada-3720-turris-mox: Add missing ethernet0 alias
  clk: qcom: gdsc: Add support to update GDSC transition delay
  ANDROID: fix up rndis ABI breakage
  Linux 5.4.184
  Revert "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE"
  xen/netfront: react properly to failing gnttab_end_foreign_access_ref()
  xen/gnttab: fix gnttab_end_foreign_access() without page specified
  xen/pvcalls: use alloc/free_pages_exact()
  xen/9p: use alloc/free_pages_exact()
  xen: remove gnttab_query_foreign_access()
  xen/gntalloc: don't use gnttab_query_foreign_access()
  xen/scsifront: don't use gnttab_query_foreign_access() for mapped status
  xen/netfront: don't use gnttab_query_foreign_access() for mapped status
  xen/blkfront: don't use gnttab_query_foreign_access() for mapped status
  xen/grant-table: add gnttab_try_end_foreign_access()
  xen/xenbus: don't let xenbus_grant_ring() remove grants in error case
  ARM: fix build warning in proc-v7-bugs.c
  ARM: Do not use NOCROSSREFS directive with ld.lld
  ARM: fix co-processor register typo
  ARM: fix build error when BPF_SYSCALL is disabled
  ARM: include unprivileged BPF status in Spectre V2 reporting
  ARM: Spectre-BHB workaround
  ARM: use LOADADDR() to get load address of sections
  ARM: early traps initialisation
  ARM: report Spectre v2 status through sysfs
  arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit()
  arm/arm64: Provide a wrapper for SMCCC 1.1 calls
  x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT
  x86/speculation: Warn about Spectre v2 LFENCE mitigation
  x86/speculation: Update link to AMD speculation whitepaper
  x86/speculation: Use generic retpoline by default on AMD
  x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting
  Documentation/hw-vuln: Update spectre doc
  x86/speculation: Add eIBRS + Retpoline options
  x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE
  x86,bugs: Unconditionally allow spectre_v2=retpoline,amd
  x86/speculation: Merge one test in spectre_v2_user_select_mitigation()
  Linux 5.4.183
  hamradio: fix macro redefine warning
  net: dcb: disable softirqs in dcbnl_flush_dev()
  Revert "xfrm: xfrm_state_mtu should return at least 1280 for ipv6"
  btrfs: add missing run of delayed items after unlink during log replay
  btrfs: qgroup: fix deadlock between rescan worker and remove qgroup
  btrfs: fix lost prealloc extents beyond eof after full fsync
  tracing: Fix return value of __setup handlers
  tracing/histogram: Fix sorting on old "cpu" value
  HID: add mapping for KEY_ALL_APPLICATIONS
  HID: add mapping for KEY_DICTATE
  Input: elan_i2c - fix regulator enable count imbalance after suspend/resume
  Input: elan_i2c - move regulator_[en|dis]able() out of elan_[en|dis]able_power()
  nl80211: Handle nla_memdup failures in handle_nan_filter
  net: chelsio: cxgb3: check the return value of pci_find_capability()
  soc: fsl: qe: Check of ioremap return value
  memfd: fix F_SEAL_WRITE after shmem huge page allocated
  ibmvnic: free reset-work-item when flushing
  igc: igc_write_phy_reg_gpy: drop premature return
  ARM: 9182/1: mmu: fix returns from early_param() and __setup() functions
  ARM: Fix kgdb breakpoint for Thumb2
  igc: igc_read_phy_reg_gpy: drop premature return
  arm64: dts: rockchip: Switch RK3399-Gru DP to SPDIF output
  can: gs_usb: change active_channels's type from atomic_t to u8
  ASoC: cs4265: Fix the duplicated control name
  firmware: arm_scmi: Remove space in MODULE_ALIAS name
  efivars: Respect "block" flag in efivar_entry_set_safe()
  ixgbe: xsk: change !netif_carrier_ok() handling in ixgbe_xmit_zc()
  net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()
  net: sxgbe: fix return value of __setup handler
  iavf: Fix missing check for running netdev
  net: stmmac: fix return value of __setup handler
  mac80211: fix forwarded mesh frames AC & queue selection
  ia64: ensure proper NUMA distance and possible map initialization
  sched/topology: Fix sched_domain_topology_level alloc in sched_init_numa()
  sched/topology: Make sched_init_numa() use a set for the deduplicating sort
  xen/netfront: destroy queues before real_num_tx_queues is zeroed
  block: Fix fsync always failed if once failed
  net/smc: fix unexpected SMC_CLC_DECL_ERR_REGRMB error cause by server
  net/smc: fix unexpected SMC_CLC_DECL_ERR_REGRMB error generated by client
  net: dcb: flush lingering app table entries for unregistered devices
  batman-adv: Don't expect inter-netns unique iflink indices
  batman-adv: Request iflink once in batadv_get_real_netdevice
  batman-adv: Request iflink once in batadv-on-batadv check
  netfilter: nf_queue: fix possible use-after-free
  netfilter: nf_queue: don't assume sk is full socket
  xfrm: enforce validity of offload input flags
  xfrm: fix the if_id check in changelink
  netfilter: fix use-after-free in __nf_register_net_hook()
  xfrm: fix MTU regression
  ASoC: ops: Shift tested values in snd_soc_put_volsw() by +min
  ALSA: intel_hdmi: Fix reference to PCM buffer address
  ata: pata_hpt37x: fix PCI clock detection
  usb: gadget: clear related members when goto fail
  usb: gadget: don't release an existing dev->buf
  net: usb: cdc_mbim: avoid altsetting toggling for Telit FN990
  i2c: qup: allow COMPILE_TEST
  i2c: cadence: allow COMPILE_TEST
  dmaengine: shdma: Fix runtime PM imbalance on error
  cifs: fix double free race when mount fails in cifs_get_root()
  Input: clear BTN_RIGHT/MIDDLE on buttonpads
  ASoC: rt5682: do not block workqueue if card is unbound
  ASoC: rt5668: do not block workqueue if card is unbound
  i2c: bcm2835: Avoid clock stretching timeouts
  mac80211_hwsim: initialize ieee80211_tx_info at hw_scan_work
  mac80211_hwsim: report NOACK frames in tx_status
  Linux 5.4.182
  fget: clarify and improve __fget_files() implementation
  memblock: use kfree() to release kmalloced memblock regions
  Revert "drm/nouveau/pmu/gm200-: avoid touching PMU outside of DEVINIT/PREOS/ACR"
  gpio: tegra186: Fix chip_data type confusion
  tty: n_gsm: fix NULL pointer access due to DLCI release
  tty: n_gsm: fix proper link termination after failed open
  tty: n_gsm: fix encoding of control signal octet bit DV
  xhci: Prevent futile URB re-submissions due to incorrect return value.
  xhci: re-initialize the HC during resume if HCE was set
  usb: dwc3: gadget: Let the interrupt handler disable bottom halves.
  usb: dwc3: pci: Fix Bay Trail phy GPIO mappings
  USB: serial: option: add Telit LE910R1 compositions
  USB: serial: option: add support for DW5829e
  tracefs: Set the group ownership in apply_options() not parse_options()
  USB: gadget: validate endpoint index for xilinx udc
  usb: gadget: rndis: add spinlock for rndis response list
  Revert "USB: serial: ch341: add new Product ID for CH341A"
  ata: pata_hpt37x: disable primary channel on HPT371
  iio: Fix error handling for PM
  iio: adc: ad7124: fix mask used for setting AIN_BUFP & AIN_BUFM bits
  iio: adc: men_z188_adc: Fix a resource leak in an error handling path
  tracing: Have traceon and traceoff trigger honor the instance
  RDMA/ib_srp: Fix a deadlock
  configfs: fix a race in configfs_{,un}register_subsystem()
  spi: spi-zynq-qspi: Fix a NULL pointer dereference in zynq_qspi_exec_mem_op()
  net/mlx5: Fix wrong limitation of metadata match on ecpf
  net/mlx5: Fix possible deadlock on rule deletion
  netfilter: nf_tables: fix memory leak during stateful obj update
  nfp: flower: Fix a potential leak in nfp_tunnel_add_shared_mac()
  net: Force inlining of checksum functions in net/checksum.h
  net: ll_temac: check the return value of devm_kmalloc()
  net/mlx5e: Fix wrong return value on ioctl EEPROM query failure
  drm/edid: Always set RGB444
  openvswitch: Fix setting ipv6 fields causing hw csum failure
  gso: do not skip outer ip header in case of ipip and net_failover
  tipc: Fix end of loop tests for list_for_each_entry()
  net: __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor friends
  bpf: Do not try bpf_msg_push_data with len 0
  perf data: Fix double free in perf_session__delete()
  ping: remove pr_err from ping_lookup
  lan743x: fix deadlock in lan743x_phy_link_status_change()
  optee: use driver internal tee_context for some rpc
  tee: export teedev_open() and teedev_close_context()
  x86/fpu: Correct pkru/xstate inconsistency
  netfilter: nf_tables_offload: incorrect flow offload action array size
  USB: zaurus: support another broken Zaurus
  sr9700: sanity check for packet length
  drm/amdgpu: disable MMHUB PG for Picasso
  parisc/unaligned: Fix ldw() and stw() unalignment handlers
  parisc/unaligned: Fix fldd and fstd unaligned handlers on 32-bit kernel
  vhost/vsock: don't check owner in vhost_vsock_stop() while releasing
  clk: jz4725b: fix mmc0 clock gating
  cgroup/cpuset: Fix a race between cpuset_attach() and cpu hotplug
  Revert "netfilter: conntrack: don't refresh sctp entries in closed state"
  Linux 5.4.181
  kconfig: fix failing to generate auto.conf
  net: macb: Align the dma and coherent dma masks
  net: usb: qmi_wwan: Add support for Dell DW5829e
  tracing: Fix tp_printk option related with tp_printk_stop_on_boot
  drm/rockchip: dw_hdmi: Do not leave clock enabled in error case
  ata: libata-core: Disable TRIM on M88V29
  kconfig: let 'shell' return enough output for deep path names
  arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610
  arm64: dts: meson-g12: add ATF BL32 reserved-memory region
  arm64: dts: meson-gx: add ATF BL32 reserved-memory region
  netfilter: conntrack: don't refresh sctp entries in closed state
  irqchip/sifive-plic: Add missing thead,c900-plic match string
  ARM: OMAP2+: adjust the location of put_device() call in omapdss_init_of
  ARM: OMAP2+: hwmod: Add of_node_put() before break
  KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW
  Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj
  i2c: brcmstb: fix support for DSL and CM variants
  copy_process(): Move fd_install() out of sighand->siglock critical section
  dmaengine: sh: rcar-dmac: Check for error num after setting mask
  net: sched: limit TC_ACT_REPEAT loops
  lib/iov_iter: initialize "flags" in new pipe_buffer
  EDAC: Fix calculation of returned address and next offset in edac_align_ptr()
  scsi: lpfc: Fix pt2pt NVMe PRLI reject LOGO loop
  mtd: rawnand: brcmnand: Fixed incorrect sub-page ECC status
  mtd: rawnand: qcom: Fix clock sequencing in qcom_nandc_probe()
  NFS: Do not report writeback errors in nfs_getattr()
  NFS: LOOKUP_DIRECTORY is also ok with symlinks
  block/wbt: fix negative inflight counter when remove scsi device
  mtd: rawnand: gpmi: don't leak PM reference in error path
  powerpc/lib/sstep: fix 'ptesync' build error
  ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw_range()
  ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw()
  ALSA: hda: Fix missing codec probe on Shenker Dock 15
  ALSA: hda: Fix regression on forced probe mask option
  libsubcmd: Fix use-after-free for realloc(..., 0)
  bonding: fix data-races around agg_select_timer
  drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit
  bonding: force carrier update when releasing slave
  ping: fix the dif and sdif check in ping_lookup
  net: ieee802154: ca8210: Fix lifs/sifs periods
  net: dsa: lan9303: fix reset on probe
  netfilter: nft_synproxy: unregister hooks on init error path
  iwlwifi: pcie: gen2: fix locking when "HW not ready"
  iwlwifi: pcie: fix locking when "HW not ready"
  mmc: block: fix read single on recovery logic
  vsock: remove vsock from connected table when connect is interrupted by a signal
  dmaengine: at_xdmac: Start transfer for cyclic channels in issue_pending
  taskstats: Cleanup the use of task->exit_code
  ext4: prevent partial update of the extent blocks
  ext4: check for inconsistent extents between index and leaf block
  ext4: check for out-of-order index extents in ext4_valid_extent_entries()
  drm/radeon: Fix backlight control on iMac 12,1
  iwlwifi: fix use-after-free
  arm64: module/ftrace: intialize PLT at load time
  arm64: module: rework special section handling
  module/ftrace: handle patchable-function-entry
  ftrace: add ftrace_init_nop()
  Revert "module, async: async_synchronize_full() on module init iff async is used"
  drm/amdgpu: fix logic inversion in check
  nvme-rdma: fix possible use-after-free in transport error_recovery work
  nvme-tcp: fix possible use-after-free in transport error_recovery work
  nvme: fix a possible use-after-free in controller reset during load
  quota: make dquot_quota_sync return errors from ->sync_fs
  vfs: make freeze_super abort when sync_filesystem returns error
  ax25: improve the incomplete fix to avoid UAF and NPD bugs
  selftests/zram: Adapt the situation that /dev/zram0 is being used
  selftests/zram01.sh: Fix compression ratio calculation
  selftests/zram: Skip max_comp_streams interface on newer kernel
  net: ieee802154: at86rf230: Stop leaking skb's
  selftests: rtc: Increase test timeout so that all tests run
  platform/x86: ISST: Fix possible circular locking dependency detected
  btrfs: send: in case of IO error log it
  parisc: Fix sglist access in ccio-dma.c
  parisc: Fix data TLB miss in sba_unmap_sg
  parisc: Drop __init from map_pages declaration
  serial: parisc: GSC: fix build when IOSAPIC is not set
  Revert "svm: Add warning message for AVIC IPI invalid target"
  HID:Add support for UGTABLET WP5540
  Makefile.extrawarn: Move -Wunaligned-access to W=1

 Conflicts:
	Documentation/devicetree/bindings
	Documentation/devicetree/bindings/mtd/nand-controller.yaml
	Documentation/devicetree/bindings/spi/spi-mxic.txt
	drivers/clk/qcom/clk-rcg2.c
	drivers/irqchip/qcom-pdc.c
	drivers/mmc/core/host.c
	drivers/usb/host/xhci.c
	drivers/usb/host/xhci.h
	include/linux/dma-mapping.h

Change-Id: I9c58b8d579ed2c613ff4903ecca688a35ed5dbbe
Signed-off-by: Srinivasarao Pathipati <quic_c_spathi@quicinc.com>
2022-06-09 11:43:23 +05:30

319 lines
9.8 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* This implements the various checks for CONFIG_HARDENED_USERCOPY*,
* which are designed to protect kernel memory from needless exposure
* and overwrite under many unintended conditions. This code is based
* on PAX_USERCOPY, which is:
*
* Copyright (C) 2001-2016 PaX Team, Bradley Spengler, Open Source
* Security Inc.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/mm.h>
#include <linux/highmem.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/sched/task.h>
#include <linux/sched/task_stack.h>
#include <linux/thread_info.h>
#include <linux/atomic.h>
#include <linux/jump_label.h>
#include <asm/sections.h>
/*
* Checks if a given pointer and length is contained by the current
* stack frame (if possible).
*
* Returns:
* NOT_STACK: not at all on the stack
* GOOD_FRAME: fully within a valid stack frame
* GOOD_STACK: fully on the stack (when can't do frame-checking)
* BAD_STACK: error condition (invalid stack position or bad stack frame)
*/
static noinline int check_stack_object(const void *obj, unsigned long len)
{
const void * const stack = task_stack_page(current);
const void * const stackend = stack + THREAD_SIZE;
int ret;
/* Object is not on the stack at all. */
if (obj + len <= stack || stackend <= obj)
return NOT_STACK;
/*
* Reject: object partially overlaps the stack (passing the
* the check above means at least one end is within the stack,
* so if this check fails, the other end is outside the stack).
*/
if (obj < stack || stackend < obj + len)
return BAD_STACK;
/* Check if object is safely within a valid frame. */
ret = arch_within_stack_frames(stack, stackend, obj, len);
if (ret)
return ret;
return GOOD_STACK;
}
/*
* If these functions are reached, then CONFIG_HARDENED_USERCOPY has found
* an unexpected state during a copy_from_user() or copy_to_user() call.
* There are several checks being performed on the buffer by the
* __check_object_size() function. Normal stack buffer usage should never
* trip the checks, and kernel text addressing will always trip the check.
* For cache objects, it is checking that only the whitelisted range of
* bytes for a given cache is being accessed (via the cache's usersize and
* useroffset fields). To adjust a cache whitelist, use the usercopy-aware
* kmem_cache_create_usercopy() function to create the cache (and
* carefully audit the whitelist range).
*/
void usercopy_warn(const char *name, const char *detail, bool to_user,
unsigned long offset, unsigned long len)
{
WARN_ONCE(1, "Bad or missing usercopy whitelist? Kernel memory %s attempt detected %s %s%s%s%s (offset %lu, size %lu)!\n",
to_user ? "exposure" : "overwrite",
to_user ? "from" : "to",
name ? : "unknown?!",
detail ? " '" : "", detail ? : "", detail ? "'" : "",
offset, len);
}
void __noreturn usercopy_abort(const char *name, const char *detail,
bool to_user, unsigned long offset,
unsigned long len)
{
pr_emerg("Kernel memory %s attempt detected %s %s%s%s%s (offset %lu, size %lu)!\n",
to_user ? "exposure" : "overwrite",
to_user ? "from" : "to",
name ? : "unknown?!",
detail ? " '" : "", detail ? : "", detail ? "'" : "",
offset, len);
/*
* For greater effect, it would be nice to do do_group_exit(),
* but BUG() actually hooks all the lock-breaking and per-arch
* Oops code, so that is used here instead.
*/
BUG();
}
/* Returns true if any portion of [ptr,ptr+n) over laps with [low,high). */
static bool overlaps(const unsigned long ptr, unsigned long n,
unsigned long low, unsigned long high)
{
const unsigned long check_low = ptr;
unsigned long check_high = check_low + n;
/* Does not overlap if entirely above or entirely below. */
if (check_low >= high || check_high <= low)
return false;
return true;
}
/* Is this address range in the kernel text area? */
static inline void check_kernel_text_object(const unsigned long ptr,
unsigned long n, bool to_user)
{
unsigned long textlow = (unsigned long)_stext;
unsigned long texthigh = (unsigned long)_etext;
unsigned long textlow_linear, texthigh_linear;
if (overlaps(ptr, n, textlow, texthigh))
usercopy_abort("kernel text", NULL, to_user, ptr - textlow, n);
/*
* Some architectures have virtual memory mappings with a secondary
* mapping of the kernel text, i.e. there is more than one virtual
* kernel address that points to the kernel image. It is usually
* when there is a separate linear physical memory mapping, in that
* __pa() is not just the reverse of __va(). This can be detected
* and checked:
*/
textlow_linear = (unsigned long)lm_alias(textlow);
/* No different mapping: we're done. */
if (textlow_linear == textlow)
return;
/* Check the secondary mapping... */
texthigh_linear = (unsigned long)lm_alias(texthigh);
if (overlaps(ptr, n, textlow_linear, texthigh_linear))
usercopy_abort("linear kernel text", NULL, to_user,
ptr - textlow_linear, n);
}
static inline void check_bogus_address(const unsigned long ptr, unsigned long n,
bool to_user)
{
/* Reject if object wraps past end of memory. */
if (ptr + (n - 1) < ptr)
usercopy_abort("wrapped address", NULL, to_user, 0, ptr + n);
/* Reject if NULL or ZERO-allocation. */
if (ZERO_OR_NULL_PTR(ptr))
usercopy_abort("null address", NULL, to_user, ptr, n);
}
/* Checks for allocs that are marked in some way as spanning multiple pages. */
static inline void check_page_span(const void *ptr, unsigned long n,
struct page *page, bool to_user)
{
#ifdef CONFIG_HARDENED_USERCOPY_PAGESPAN
const void *end = ptr + n - 1;
struct page *endpage;
bool is_reserved, is_cma;
const void * const stack = task_stack_page(current);
const void * const stackend = stack + THREAD_SIZE;
/*
* Sometimes the kernel data regions are not marked Reserved (see
* check below). And sometimes [_sdata,_edata) does not cover
* rodata and/or bss, so check each range explicitly.
*/
/* Allow reads of kernel rodata region (if not marked as Reserved). */
if (ptr >= (const void *)__start_rodata &&
end <= (const void *)__end_rodata) {
if (!to_user)
usercopy_abort("rodata", NULL, to_user, 0, n);
return;
}
/* Allow kernel data region (if not marked as Reserved). */
if (ptr >= (const void *)_sdata && end <= (const void *)_edata)
return;
/* Allow kernel bss region (if not marked as Reserved). */
if (ptr >= (const void *)__bss_start &&
end <= (const void *)__bss_stop)
return;
/* Allow stack region to span multiple pages */
if (ptr >= stack && end <= stackend)
return;
/* Is the object wholly within one base page? */
if (likely(((unsigned long)ptr & (unsigned long)PAGE_MASK) ==
((unsigned long)end & (unsigned long)PAGE_MASK)))
return;
/* Allow if fully inside the same compound (__GFP_COMP) page. */
endpage = virt_to_head_page(end);
if (likely(endpage == page))
return;
/*
* Reject if range is entirely either Reserved (i.e. special or
* device memory), or CMA. Otherwise, reject since the object spans
* several independently allocated pages.
*/
is_reserved = PageReserved(page);
is_cma = is_migrate_cma_page(page);
if (!is_reserved && !is_cma)
usercopy_abort("spans multiple pages", NULL, to_user, 0, n);
for (ptr += PAGE_SIZE; ptr <= end; ptr += PAGE_SIZE) {
page = virt_to_head_page(ptr);
if (is_reserved && !PageReserved(page))
usercopy_abort("spans Reserved and non-Reserved pages",
NULL, to_user, 0, n);
if (is_cma && !is_migrate_cma_page(page))
usercopy_abort("spans CMA and non-CMA pages", NULL,
to_user, 0, n);
}
#endif
}
static inline void check_heap_object(const void *ptr, unsigned long n,
bool to_user)
{
struct page *page;
if (!virt_addr_valid(ptr))
return;
/*
* When CONFIG_HIGHMEM=y, kmap_to_page() will give either the
* highmem page or fallback to virt_to_page(). The following
* is effectively a highmem-aware virt_to_head_page().
*/
page = compound_head(kmap_to_page((void *)ptr));
if (PageSlab(page)) {
/* Check slab allocator for flags and size. */
__check_heap_object(ptr, n, page, to_user);
} else {
/* Verify object does not incorrectly span multiple pages. */
check_page_span(ptr, n, page, to_user);
}
}
static DEFINE_STATIC_KEY_FALSE_RO(bypass_usercopy_checks);
/*
* Validates that the given object is:
* - not bogus address
* - fully contained by stack (or stack frame, when available)
* - fully within SLAB object (or object whitelist area, when available)
* - not in kernel text
*/
void __check_object_size(const void *ptr, unsigned long n, bool to_user)
{
if (static_branch_unlikely(&bypass_usercopy_checks))
return;
/* Skip all tests if size is zero. */
if (!n)
return;
/* Check for invalid addresses. */
check_bogus_address((const unsigned long)ptr, n, to_user);
/* Check for bad stack object. */
switch (check_stack_object(ptr, n)) {
case NOT_STACK:
/* Object is not touching the current process stack. */
break;
case GOOD_FRAME:
case GOOD_STACK:
/*
* Object is either in the correct frame (when it
* is possible to check) or just generally on the
* process stack (when frame checking not available).
*/
return;
default:
usercopy_abort("process stack", NULL, to_user, 0, n);
}
/* Check for bad heap object. */
check_heap_object(ptr, n, to_user);
/* Check for object in kernel to avoid text exposure. */
check_kernel_text_object((const unsigned long)ptr, n, to_user);
}
EXPORT_SYMBOL(__check_object_size);
static bool enable_checks __initdata = true;
static int __init parse_hardened_usercopy(char *str)
{
if (strtobool(str, &enable_checks))
pr_warn("Invalid option string for hardened_usercopy: '%s'\n",
str);
return 1;
}
__setup("hardened_usercopy=", parse_hardened_usercopy);
static int __init set_hardened_usercopy(void)
{
if (enable_checks == false)
static_branch_enable(&bypass_usercopy_checks);
return 1;
}
late_initcall(set_hardened_usercopy);