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Subject: Re: [PATCH 5.15 000/124] 5.15.36-rc1 review
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To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org
Cc:     stable@vger.kernel.org, torvalds@linux-foundation.org,
        akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org,
        patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de,
        jonathanh@nvidia.com, f.fainelli@gmail.com,
        sudipm.mukherjee@gmail.com, slade@sladewatkins.com,
        Waiman Long <longman@redhat.com>,
        John Donnelly <john.p.donnelly@oracle.com>
References: <20220426081747.286685339@linuxfoundation.org>
From:   john.p.donnelly@oracle.com
In-Reply-To: <20220426081747.286685339@linuxfoundation.org>
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On 4/26/22 3:20 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.15.36 release.
> There are 124 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 28 Apr 2022 08:17:22 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.36-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h
> 
> -------------
> Pseudo-Shortlog of commits:
> 
> Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>      Linux 5.15.36-rc1
> 
> Alex Elder <elder@linaro.org>
>      arm64: dts: qcom: add IPA qcom,qmp property
> 
> Khazhismel Kumykov <khazhy@google.com>
>      block/compat_ioctl: fix range check in BLKGETSIZE
> 
> Tudor Ambarus <tudor.ambarus@microchip.com>
>      spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller
> 
> Ye Bin <yebin10@huawei.com>
>      jbd2: fix a potential race while discarding reserved buffers after an abort
> 
> Florian Westphal <fw@strlen.de>
>      netfilter: nft_ct: fix use after free when attaching zone template
> 
> Theodore Ts'o <tytso@mit.edu>
>      ext4: force overhead calculation if the s_overhead_cluster makes no sense
> 
> Theodore Ts'o <tytso@mit.edu>
>      ext4: fix overhead calculation to account for the reserved gdt blocks
> 
> wangjianjian (C) <wangjianjian3@huawei.com>
>      ext4, doc: fix incorrect h_reserved size
> 
> Tadeusz Struk <tadeusz.struk@linaro.org>
>      ext4: limit length to bitmap_maxbytes - blocksize in punch_hole
> 
> Ye Bin <yebin10@huawei.com>
>      ext4: fix use-after-free in ext4_search_dir
> 
> Ye Bin <yebin10@huawei.com>
>      ext4: fix symlink file size not match to file content
> 
> Darrick J. Wong <djwong@kernel.org>
>      ext4: fix fallocate to use file_modified to update permissions consistently
> 
> Florian Westphal <fw@strlen.de>
>      netfilter: conntrack: avoid useless indirection during conntrack destruction
> 
> Florian Westphal <fw@strlen.de>
>      netfilter: conntrack: convert to refcount_t api
> 
> Mingwei Zhang <mizhang@google.com>
>      KVM: SVM: Flush when freeing encrypted pages even on SME_COHERENT CPUs
> 
> Sean Christopherson <seanjc@google.com>
>      KVM: nVMX: Defer APICv updates while L2 is active until L1 is active
> 
> Sean Christopherson <seanjc@google.com>
>      KVM: x86: Pend KVM_REQ_APICV_UPDATE during vCPU creation to fix a race
> 
> Like Xu <likexu@tencent.com>
>      KVM: x86/pmu: Update AMD PMC sample period to fix guest NMI-watchdog
> 
> Rob Herring <robh@kernel.org>
>      arm_pmu: Validate single/group leader events
> 
> Sergey Matyukevich <sergey.matyukevich@synopsys.com>
>      ARC: entry: fix syscall_trace_exit argument
> 
> Sasha Neftin <sasha.neftin@intel.com>
>      e1000e: Fix possible overflow in LTR decoding
> 
> Xiaomeng Tong <xiam0nd.tong@gmail.com>
>      ASoC: soc-dapm: fix two incorrect uses of list iterator
> 
> Mario Limonciello <mario.limonciello@amd.com>
>      gpio: Request interrupts after IRQ is initialized
> 
> Paolo Valerio <pvalerio@redhat.com>
>      openvswitch: fix OOB access in reserve_sfa_size()
> 
> Max Filippov <jcmvbkbc@gmail.com>
>      xtensa: fix a7 clobbering in coprocessor context load/store
> 
> Guo Ren <guoren@linux.alibaba.com>
>      xtensa: patch_text: Fixup last cpu should be master
> 
> Leo Yan <leo.yan@linaro.org>
>      perf report: Set PERF_SAMPLE_DATA_SRC bit for Arm SPE event
> 
> Leo Yan <leo.yan@linaro.org>
>      perf script: Always allow field 'data_src' for auxtrace
> 
> Athira Rajeev <atrajeev@linux.vnet.ibm.com>
>      powerpc/perf: Fix power10 event alternatives
> 
> Athira Rajeev <atrajeev@linux.vnet.ibm.com>
>      powerpc/perf: Fix power9 event alternatives
> 
> Miaoqian Lin <linmq006@gmail.com>
>      drm/vc4: Use pm_runtime_resume_and_get to fix pm_runtime_get_sync() usage
> 
> Alexey Kardashevskiy <aik@ozlabs.ru>
>      KVM: PPC: Fix TCE handling for VFIO
> 
> Dave Stevenson <dave.stevenson@raspberrypi.com>
>      drm/panel/raspberrypi-touchscreen: Initialise the bridge in prepare
> 
> Dave Stevenson <dave.stevenson@raspberrypi.com>
>      drm/panel/raspberrypi-touchscreen: Avoid NULL deref if not initialised
> 
> Zhipeng Xie <xiezhipeng1@huawei.com>
>      perf/core: Fix perf_mmap fail when CONFIG_PERF_USE_VMALLOC enabled
> 
> kuyo chang <kuyo.chang@mediatek.com>
>      sched/pelt: Fix attach_entity_load_avg() corner case
> 
> Tom Rix <trix@redhat.com>
>      scsi: sr: Do not leak information in ioctl
> 
> Miaoqian Lin <linmq006@gmail.com>
>      Input: omap4-keypad - fix pm_runtime_get_sync() error checking
> 
> Manuel Ullmann <labre@posteo.de>
>      net: atlantic: invert deep par in pm functions, preventing null derefs
> 
> Kevin Groeneveld <kgroeneveld@lenbrook.com>
>      dmaengine: imx-sdma: fix init of uart scripts
> 
> Xiaomeng Tong <xiam0nd.tong@gmail.com>
>      dma: at_xdmac: fix a missing check on list iterator
> 
> Zheyu Ma <zheyuma97@gmail.com>
>      ata: pata_marvell: Check the 'bmdma_addr' beforing reading
> 
> Alistair Popple <apopple@nvidia.com>
>      mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove()
> 
> Nico Pache <npache@redhat.com>
>      oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup
> 
> Christophe Leroy <christophe.leroy@csgroup.eu>
>      mm, hugetlb: allow for "high" userspace addresses
> 
> Shakeel Butt <shakeelb@google.com>
>      memcg: sync flush only if periodic flush is delayed
> 
> Xu Yu <xuyu@linux.alibaba.com>
>      mm/memory-failure.c: skip huge_zero_page in memory_failure()
> 
> Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
>      EDAC/synopsys: Read the error count from the correct register
> 
> Christoph Hellwig <hch@lst.de>
>      nvme-pci: disable namespace identifiers for Qemu controllers
> 
> Christoph Hellwig <hch@lst.de>
>      nvme-pci: disable namespace identifiers for the MAXIO MAP1002/1202
> 
> Christoph Hellwig <hch@lst.de>
>      nvme: add a quirk to disable namespace identifiers
> 
> NeilBrown <neilb@suse.de>
>      VFS: filename_create(): fix incorrect intent.
> 
> Mikulas Patocka <mpatocka@redhat.com>
>      stat: fix inconsistency between struct stat and struct compat_stat
> 
> Mike Christie <michael.christie@oracle.com>
>      scsi: qedi: Fix failed disconnect handling
> 
> Mike Christie <michael.christie@oracle.com>
>      scsi: iscsi: Fix NOP handling during conn recovery
> 
> Mike Christie <michael.christie@oracle.com>
>      scsi: iscsi: Merge suspend fields
> 
> Mike Christie <michael.christie@oracle.com>
>      scsi: iscsi: Release endpoint ID when its freed
> 
> Tomas Melin <tomas.melin@vaisala.com>
>      net: macb: Restart tx only if queue pointer is lagging
> 
> Xiaoke Wang <xkernel.wang@foxmail.com>
>      drm/msm/mdp5: check the return of kzalloc()
> 
> Lv Ruyi <lv.ruyi@zte.com.cn>
>      dpaa_eth: Fix missing of_node_put in dpaa_get_ts_info()
> 
> Borislav Petkov <bp@alien8.de>
>      brcmfmac: sdio: Fix undefined behavior due to shift overflowing the constant
> 
> Borislav Petkov <bp@suse.de>
>      mt76: Fix undefined behavior due to shift overflowing the constant
> 
> Kai-Heng Feng <kai.heng.feng@canonical.com>
>      net: atlantic: Avoid out-of-bounds indexing
> 
> David Howells <dhowells@redhat.com>
>      cifs: Check the IOCB_DIRECT flag, not O_DIRECT
> 
> Hongbin Wang <wh_bin@126.com>
>      vxlan: fix error return code in vxlan_fdb_append
> 
> Rob Herring <robh@kernel.org>
>      arm64: dts: imx: Fix imx8*-var-som touchscreen property sizes
> 
> Xiaoke Wang <xkernel.wang@foxmail.com>
>      drm/msm/disp: check the return value of kzalloc()
> 
> Borislav Petkov <bp@suse.de>
>      ALSA: usb-audio: Fix undefined behavior due to shift overflowing the constant
> 
> Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
>      platform/x86: samsung-laptop: Fix an unsigned comparison which can never be negative
> 
> Sameer Pujar <spujar@nvidia.com>
>      reset: tegra-bpmp: Restore Handle errors in BPMP response
> 
> Heiner Kallweit <hkallweit1@gmail.com>
>      reset: renesas: Check return value of reset_control_deassert()
> 
> Kees Cook <keescook@chromium.org>
>      ARM: vexpress/spc: Avoid negative array index when !SMP
> 
> Muchun Song <songmuchun@bytedance.com>
>      arm64: mm: fix p?d_leaf()
> 
> Ido Schimmel <idosch@nvidia.com>
>      selftests: mlxsw: vxlan_flooding: Prevent flooding of unwanted packets
> 
> Dave Jiang <dave.jiang@intel.com>
>      dmaengine: idxd: skip clearing device context when device is read-only
> 
> Dave Jiang <dave.jiang@intel.com>
>      dmaengine: idxd: add RO check for wq max_transfer_size write
> 
> Dave Jiang <dave.jiang@intel.com>
>      dmaengine: idxd: add RO check for wq max_batch_size write
> 
> Kevin Hao <haokexin@gmail.com>
>      net: stmmac: Use readl_poll_timeout_atomic() in atomic state
> 
> José Roberto de Souza <jose.souza@intel.com>
>      drm/i915/display/psr: Unset enable_psr2_sel_fetch if other checks in intel_psr2_config_valid() fails
> 
> Eric Dumazet <edumazet@google.com>
>      netlink: reset network and mac headers in netlink_dump()
> 
> Vladimir Oltean <vladimir.oltean@nxp.com>
>      net: mscc: ocelot: fix broken IP multicast flooding
> 
> Kurt Kanzenbach <kurt@linutronix.de>
>      net: dsa: hellcreek: Calculate checksums in tagger
> 
> Oliver Hartkopp <socketcan@hartkopp.net>
>      can: isotp: stop timeout monitoring when no first frame was sent
> 
> Eric Dumazet <edumazet@google.com>
>      ipv6: make ip6_rt_gc_expire an atomic_t
> 
> David Ahern <dsahern@kernel.org>
>      l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
> 
> Eric Dumazet <edumazet@google.com>
>      net/sched: cls_u32: fix possible leak in u32_init_knode()
> 
> Stephen Hemminger <stephen@networkplumber.org>
>      net: restore alpha order to Ethernet devices in config
> 
> Peilin Ye <peilin.ye@bytedance.com>
>      ip6_gre: Fix skb_under_panic in __gre6_xmit()
> 
> Peilin Ye <peilin.ye@bytedance.com>
>      ip6_gre: Avoid updating tunnel->tun_hlen in __gre6_xmit()
> 
> Hangbin Liu <liuhangbin@gmail.com>
>      net/packet: fix packet_sock xmit return value checking
> 
> Tony Lu <tonylu@linux.alibaba.com>
>      net/smc: Fix sock leak when release after smc_shutdown()
> 
> David Howells <dhowells@redhat.com>
>      rxrpc: Restore removed timer deletion
> 
> Kai Vehmanen <kai.vehmanen@linux.intel.com>
>      ALSA: hda/hdmi: fix warning about PCM count when used with SOF
> 
> Vinicius Costa Gomes <vinicius.gomes@intel.com>
>      igc: Fix suspending when PTM is active
> 
> Sasha Neftin <sasha.neftin@intel.com>
>      igc: Fix BUG: scheduling while atomic
> 
> Sasha Neftin <sasha.neftin@intel.com>
>      igc: Fix infinite loop in release_swfw_sync
> 
> Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
>      spi: cadence-quadspi: fix incorrect supports_op() return value
> 
> Sabrina Dubroca <sd@queasysnail.net>
>      esp: limit skb_page_frag_refill use to a single page
> 
> Allen-KH Cheng <allen-kh.cheng@mediatek.com>
>      spi: spi-mtk-nor: initialize spi controller after resume
> 
> Herve Codina <herve.codina@bootlin.com>
>      dmaengine: dw-edma: Fix unaligned 64bit access
> 
> zhangqilong <zhangqilong3@huawei.com>
>      dmaengine: mediatek:Fix PM usage reference leak of mtk_uart_apdma_alloc_chan_resources
> 
> Miaoqian Lin <linmq006@gmail.com>
>      dmaengine: imx-sdma: Fix error checking in sdma_event_remap
> 
> Dave Jiang <dave.jiang@intel.com>
>      dmaengine: idxd: fix device cleanup on disable
> 
> Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>      ASoC: codecs: wcd934x: do not switch off SIDO Buck when codec is in use
> 
> Miaoqian Lin <linmq006@gmail.com>
>      ASoC: msm8916-wcd-digital: Check failure for devm_snd_soc_register_component
> 
> Miaoqian Lin <linmq006@gmail.com>
>      ASoC: rk817: Use devm_clk_get() in rk817_platform_probe
> 
> Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
>      ASoC: topology: Correct error handling in soc_tplg_dapm_widget_create()
> 
> Mark Brown <broonie@kernel.org>
>      ASoC: atmel: Remove system clock tree configuration for at91sam9g20ek
> 
> Tim Crawford <tcrawford@system76.com>
>      ALSA: hda/realtek: Add quirk for Clevo NP70PNP
> 
> Takashi Iwai <tiwai@suse.de>
>      ALSA: usb-audio: Clear MIDI port active flag after draining
> 
> Eric Dumazet <edumazet@google.com>
>      net/sched: cls_u32: fix netns refcount changes in u32_change()
> 
> Peter Wang <peter.wang@mediatek.com>
>      scsi: ufs: core: scsi_get_lba() error fix
> 
> Bob Peterson <rpeterso@redhat.com>
>      gfs2: assign rgrp glock before compute_bitstructs
> 
> Marco Elver <elver@google.com>
>      mm, kfence: support kmem_dump_obj() for KFENCE objects
> 
> Adrian Hunter <adrian.hunter@intel.com>
>      perf tools: Fix segfault accessing sample_id xyarray
> 
> Xiongwei Song <sxwjean@gmail.com>
>      mm: page_alloc: fix building error on -Werror=array-compare
> 
> Kees Cook <keescook@chromium.org>
>      etherdevice: Adjust ether_addr* prototypes to silence -Wstringop-overead
> 
> Anshuman Khandual <anshuman.khandual@arm.com>
>      arm64/mm: drop HAVE_ARCH_PFN_VALID
> 
> Mike Rapoport <rppt@kernel.org>
>      dma-mapping: remove bogus test for pfn_valid from dma_map_resource
> 
> Darrick J. Wong <djwong@kernel.org>
>      xfs: return errors in xfs_fs_sync_fs
> 
> Darrick J. Wong <djwong@kernel.org>
>      vfs: make sync_filesystem return errors from ->sync_fs
> 
> Christoph Hellwig <hch@lst.de>
>      block: simplify the block device syncing code
> 
> Christoph Hellwig <hch@lst.de>
>      block: remove __sync_blockdev
> 
> Christoph Hellwig <hch@lst.de>
>      fs: remove __sync_filesystem
> 
> 
> -------------
> 
> Diffstat:
> 
>   Documentation/filesystems/ext4/attributes.rst      |  2 +-
>   Makefile                                           |  4 +-
>   arch/arc/kernel/entry.S                            |  1 +
>   arch/arm/mach-vexpress/spc.c                       |  2 +-
>   arch/arm64/Kconfig                                 |  1 -
>   arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi  |  8 +--
>   arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi  |  8 +--
>   arch/arm64/boot/dts/qcom/sc7180.dtsi               |  2 +
>   arch/arm64/boot/dts/qcom/sc7280.dtsi               |  2 +
>   arch/arm64/boot/dts/qcom/sm8350.dtsi               |  2 +
>   arch/arm64/include/asm/page.h                      |  1 -
>   arch/arm64/include/asm/pgtable.h                   |  4 +-
>   arch/arm64/mm/init.c                               | 37 -----------
>   arch/powerpc/kvm/book3s_64_vio.c                   | 45 +++++++-------
>   arch/powerpc/kvm/book3s_64_vio_hv.c                | 44 ++++++-------
>   arch/powerpc/perf/power10-pmu.c                    |  2 +-
>   arch/powerpc/perf/power9-pmu.c                     |  8 +--
>   arch/x86/include/asm/compat.h                      |  6 +-
>   arch/x86/kvm/pmu.h                                 |  9 +++
>   arch/x86/kvm/svm/pmu.c                             |  1 +
>   arch/x86/kvm/svm/sev.c                             |  9 ++-
>   arch/x86/kvm/vmx/nested.c                          |  5 ++
>   arch/x86/kvm/vmx/pmu_intel.c                       |  8 +--
>   arch/x86/kvm/vmx/vmx.c                             |  5 ++
>   arch/x86/kvm/vmx/vmx.h                             |  1 +
>   arch/x86/kvm/x86.c                                 | 15 ++++-
>   arch/xtensa/kernel/coprocessor.S                   |  4 +-
>   arch/xtensa/kernel/jump_label.c                    |  2 +-
>   block/bdev.c                                       | 28 ++++++---
>   block/ioctl.c                                      |  2 +-
>   drivers/ata/pata_marvell.c                         |  2 +
>   drivers/dma/at_xdmac.c                             | 12 ++--
>   drivers/dma/dw-edma/dw-edma-v0-core.c              |  7 ++-
>   drivers/dma/idxd/device.c                          |  6 +-
>   drivers/dma/idxd/sysfs.c                           |  6 ++
>   drivers/dma/imx-sdma.c                             | 32 +++++-----
>   drivers/dma/mediatek/mtk-uart-apdma.c              |  9 ++-
>   drivers/edac/synopsys_edac.c                       | 16 +++--
>   drivers/gpio/gpiolib.c                             |  4 +-
>   drivers/gpu/drm/i915/display/intel_psr.c           | 38 +++++++-----
>   drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c         |  3 +
>   drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c  |  2 +
>   .../gpu/drm/panel/panel-raspberrypi-touchscreen.c  | 13 +++-
>   drivers/gpu/drm/vc4/vc4_dsi.c                      |  2 +-
>   drivers/input/keyboard/omap4-keypad.c              |  2 +-
>   drivers/net/ethernet/Kconfig                       | 26 ++++----
>   drivers/net/ethernet/aquantia/atlantic/aq_nic.c    |  8 +--
>   .../net/ethernet/aquantia/atlantic/aq_pci_func.c   |  8 +--
>   drivers/net/ethernet/aquantia/atlantic/aq_vec.c    | 24 ++++----
>   drivers/net/ethernet/cadence/macb_main.c           |  8 +++
>   drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c |  8 ++-
>   drivers/net/ethernet/intel/e1000e/ich8lan.c        |  4 +-
>   drivers/net/ethernet/intel/igc/igc_i225.c          | 11 +++-
>   drivers/net/ethernet/intel/igc/igc_phy.c           |  4 +-
>   drivers/net/ethernet/intel/igc/igc_ptp.c           | 15 ++++-
>   drivers/net/ethernet/mscc/ocelot.c                 |  2 +
>   .../net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c  |  4 +-
>   drivers/net/vxlan.c                                |  4 +-
>   .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    |  2 +-
>   drivers/net/wireless/mediatek/mt76/mt76x2/pci.c    |  2 +-
>   drivers/nvme/host/core.c                           | 24 ++++++--
>   drivers/nvme/host/nvme.h                           |  5 ++
>   drivers/nvme/host/pci.c                            |  9 ++-
>   drivers/perf/arm_pmu.c                             | 10 ++-
>   drivers/platform/x86/samsung-laptop.c              |  2 -
>   drivers/reset/reset-rzg2l-usbphy-ctrl.c            |  4 +-
>   drivers/reset/tegra/reset-bpmp.c                   |  9 ++-
>   drivers/scsi/bnx2i/bnx2i_hwi.c                     |  2 +-
>   drivers/scsi/bnx2i/bnx2i_iscsi.c                   |  2 +-
>   drivers/scsi/cxgbi/libcxgbi.c                      |  6 +-
>   drivers/scsi/libiscsi.c                            | 27 ++++----
>   drivers/scsi/libiscsi_tcp.c                        |  2 +-
>   drivers/scsi/qedi/qedi_iscsi.c                     | 69 ++++++++++-----------
>   drivers/scsi/scsi_transport_iscsi.c                | 71 +++++++++++----------
>   drivers/scsi/sr_ioctl.c                            | 15 ++++-
>   drivers/scsi/ufs/ufshcd.c                          |  5 +-
>   drivers/spi/atmel-quadspi.c                        |  3 +
>   drivers/spi/spi-cadence-quadspi.c                  | 19 +++++-
>   drivers/spi/spi-mtk-nor.c                          | 12 +++-
>   fs/cifs/cifsfs.c                                   |  2 +-
>   fs/ext4/ext4.h                                     |  6 +-
>   fs/ext4/extents.c                                  | 32 +++++++---
>   fs/ext4/inode.c                                    | 18 +++++-
>   fs/ext4/namei.c                                    |  4 +-
>   fs/ext4/page-io.c                                  |  4 +-
>   fs/ext4/super.c                                    | 19 ++++--
>   fs/gfs2/rgrp.c                                     |  9 +--
>   fs/hugetlbfs/inode.c                               |  9 +--
>   fs/internal.h                                      | 11 ----
>   fs/jbd2/commit.c                                   |  4 +-
>   fs/namei.c                                         | 22 +++----
>   fs/stat.c                                          | 19 +++---
>   fs/sync.c                                          | 72 +++++++++-------------
>   fs/xfs/xfs_super.c                                 |  6 +-
>   include/linux/blkdev.h                             |  9 +++
>   include/linux/etherdevice.h                        |  5 +-
>   include/linux/kfence.h                             | 24 ++++++++
>   include/linux/memcontrol.h                         |  5 ++
>   include/linux/netfilter/nf_conntrack_common.h      | 10 +--
>   include/linux/sched.h                              |  1 +
>   include/linux/sched/mm.h                           |  8 +++
>   include/net/esp.h                                  |  2 -
>   include/net/netfilter/nf_conntrack.h               |  8 ++-
>   include/net/netns/ipv6.h                           |  4 +-
>   include/scsi/libiscsi.h                            |  9 +--
>   include/scsi/scsi_transport_iscsi.h                |  2 +-
>   kernel/dma/mapping.c                               |  4 --
>   kernel/events/core.c                               |  2 +-
>   kernel/events/internal.h                           |  5 ++
>   kernel/events/ring_buffer.c                        |  5 --
>   kernel/sched/fair.c                                | 10 +--
>   mm/kfence/core.c                                   | 21 -------
>   mm/kfence/kfence.h                                 | 21 +++++++
>   mm/kfence/report.c                                 | 47 ++++++++++++++
>   mm/memcontrol.c                                    | 12 +++-
>   mm/memory-failure.c                                | 13 ++++
>   mm/mmap.c                                          |  8 ---
>   mm/mmu_notifier.c                                  | 14 ++++-
>   mm/oom_kill.c                                      | 54 +++++++++++-----
>   mm/page_alloc.c                                    |  2 +-
>   mm/slab.c                                          |  2 +-
>   mm/slab.h                                          |  2 +-
>   mm/slab_common.c                                   |  9 +++
>   mm/slob.c                                          |  2 +-
>   mm/slub.c                                          |  2 +-
>   mm/workingset.c                                    |  2 +-
>   net/can/isotp.c                                    | 10 ++-
>   net/dsa/tag_hellcreek.c                            |  8 +++
>   net/ipv4/esp4.c                                    |  5 +-
>   net/ipv6/esp6.c                                    |  5 +-
>   net/ipv6/ip6_gre.c                                 | 14 +++--
>   net/ipv6/route.c                                   | 11 ++--
>   net/l3mdev/l3mdev.c                                |  2 +-
>   net/netfilter/nf_conntrack_core.c                  | 38 ++++++------
>   net/netfilter/nf_conntrack_expect.c                |  4 +-
>   net/netfilter/nf_conntrack_netlink.c               |  6 +-
>   net/netfilter/nf_conntrack_standalone.c            |  4 +-
>   net/netfilter/nf_flow_table_core.c                 |  2 +-
>   net/netfilter/nf_synproxy_core.c                   |  1 -
>   net/netfilter/nft_ct.c                             |  9 +--
>   net/netfilter/xt_CT.c                              |  3 +-
>   net/netlink/af_netlink.c                           |  7 +++
>   net/openvswitch/conntrack.c                        |  1 -
>   net/openvswitch/flow_netlink.c                     |  2 +-
>   net/packet/af_packet.c                             | 13 ++--
>   net/rxrpc/net_ns.c                                 |  2 +
>   net/sched/act_ct.c                                 |  1 -
>   net/sched/cls_u32.c                                | 24 +++++---
>   net/smc/af_smc.c                                   |  4 +-
>   sound/pci/hda/patch_hdmi.c                         |  6 +-
>   sound/pci/hda/patch_realtek.c                      |  1 +
>   sound/soc/atmel/sam9g20_wm8731.c                   | 61 ------------------
>   sound/soc/codecs/msm8916-wcd-digital.c             |  9 ++-
>   sound/soc/codecs/rk817_codec.c                     |  2 +-
>   sound/soc/codecs/wcd934x.c                         | 26 +-------
>   sound/soc/soc-dapm.c                               |  6 +-
>   sound/soc/soc-topology.c                           |  4 +-
>   sound/usb/midi.c                                   |  1 +
>   sound/usb/usbaudio.h                               |  2 +-
>   tools/lib/perf/evlist.c                            |  3 +-
>   tools/perf/builtin-report.c                        | 14 +++++
>   tools/perf/builtin-script.c                        |  2 +-
>   .../selftests/drivers/net/mlxsw/vxlan_flooding.sh  | 17 +++++
>   163 files changed, 1037 insertions(+), 702 deletions(-)
> 
> 


Hi,


Please revert :

76723ed1fb89 2021-12-01 | locking/rwsem: Make handoff bit handling more 
consistent

In Linux 5.15.y.

It introduces system hangs running fio test suite :


PID: 3682   TASK: ffff8f489ae34bc0  CPU: 2   COMMAND: "dio/dm-0"
  #0 [fffffe0000083e50] crash_nmi_callback at ffffffff828772b3
  #1 [fffffe0000083e58] nmi_handle at ffffffff82840778
  #2 [fffffe0000083ea0] default_do_nmi at ffffffff8337a1e2
  #3 [fffffe0000083ec8] exc_nmi at ffffffff8337a48d
  #4 [fffffe0000083ef0] end_repeat_nmi at ffffffff8340153b
     [exception RIP: _raw_spin_lock_irq+23]
     RIP: ffffffff8338b2e7  RSP: ffff9c4409b47c78  RFLAGS: 00000046
     RAX: 0000000000000000  RBX: ffff8f489ae34bc0  RCX: 0000000000000000
     RDX: 0000000000000001  RSI: 0000000000000000  RDI: ffff8f47f7b90104
     RBP: ffff9c4409b47d20   R8: 0000000000000000   R9: 0000000000000000
     R10: 0000000000000000  R11: 0000000000000000  R12: ffff8f47f7b90104
     R13: ffff9c4409b47cb0  R14: ffff8f47f7b900f0  R15: 0000000000000000
     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
--- <NMI exception stack> ---
  #5 [ffff9c4409b47c78] _raw_spin_lock_irq at ffffffff8338b2e7
  #6 [ffff9c4409b47c78] rwsem_down_write_slowpath at ffffffff82925be9
  #7 [ffff9c4409b47d28] ext4_map_blocks at ffffffffc11c26dc [ext4]
  #8 [ffff9c4409b47d98] ext4_convert_unwritten_extents at 
ffffffffc11ad9e0 [ext4]
  #9 [ffff9c4409b47df0] ext4_dio_write_end_io at ffffffffc11b22aa [ext4]
#10 [ffff9c4409b47e18] iomap_dio_complete at ffffffff82c135b5
#11 [ffff9c4409b47e48] iomap_dio_complete_work at ffffffff82c136b7
#12 [ffff9c4409b47e60] process_one_work at ffffffff828d9061
#13 [ffff9c4409b47ea8] rescuer_thread at ffffffff828d97eb
#14 [ffff9c4409b47f10] kthread at ffffffff828e10c7
#15 [ffff9c4409b47f50] ret_from_fork at ffffffff82804cf2