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... 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