[Bug 211577] New: [generic/475] WARNING: CPU: 1 PID: 11596 at fs/iomap/buffered-io.c:79 iomap_page_release+0x220/0x290

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=211577

            Bug ID: 211577
           Summary: [generic/475] WARNING: CPU: 1 PID: 11596 at
                    fs/iomap/buffered-io.c:79
                    iomap_page_release+0x220/0x290
           Product: File System
           Version: 2.5
    Kernel Version: linux 5.11.0-rc6+
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: XFS
          Assignee: filesystem_xfs@kernel-bugs.kernel.org
          Reporter: zlang@redhat.com
        Regression: No

xfstests generic/475 hit a kernel warning as below
# ./check generic/475
FSTYP         -- xfs (debug)
PLATFORM      -- Linux/ppc64le ibm-p9z-xx-xxx 5.11.0-rc6+ #4 SMP Fri Feb 5
10:22:14 EST 2021
MKFS_OPTIONS  -- -f -m crc=1,finobt=1,rmapbt=1,reflink=1,inobtcount=1,bigtime=1
/dev/sda3
MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 /dev/sda3
/mnt/xfstests/scratch

generic/475     _check_dmesg: something found in dmesg (see
/var/lib/xfstests/results//generic/475.dmesg)

Ran: generic/475
Failures: generic/475
Failed 1 of 1 tests

[ 1026.319574] XFS (dm-0): xfs_imap_lookup: xfs_ialloc_read_agi() returned
error -5, agno 2
[ 1026.319704] XFS (dm-0): xfs_do_force_shutdown(0x2) called from line 1196 of
file fs/xfs/xfs_log.c. Return address = c0080000019a801c
[ 1026.319715] XFS (dm-0): Log I/O Error Detected. Shutting down filesystem
[ 1026.319721] XFS (dm-0): Please unmount the filesystem and rectify the
problem(s)
[ 1026.320282] XFS (dm-0): xfs_imap_lookup: xfs_ialloc_read_agi() returned
error -5, agno 0
[ 1026.822032] ------------[ cut here ]------------
[ 1026.822053] WARNING: CPU: 1 PID: 11596 at fs/iomap/buffered-io.c:79
iomap_page_release+0x220/0x290
[ 1026.822069] Modules linked in: dm_mod bonding rfkill sunrpc uio_pdrv_genirq
uio pseries_rng drm fuse drm_panel_orientation_quirks ip_tables xfs libcrc32c
sd_mod t10_pi ibmvscsi ibmveth scs
i_transport_srp xts vmx_crypto
[ 1026.822151] CPU: 1 PID: 11596 Comm: umount Not tainted 5.11.0-rc6+ #4
[ 1026.822162] NIP:  c0000000006a0f20 LR: c0000000006a0df4 CTR:
c0000000006a1230
[ 1026.822172] REGS: c00000002b847590 TRAP: 0700   Not tainted  (5.11.0-rc6+)
[ 1026.822181] MSR:  800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE>  CR:
44004882  XER: 20040123
[ 1026.822231] CFAR: c0000000006a0e28 IRQMASK: 0
               GPR00: c000000000475028 c00000002b847830 c000000002127000
0000000000000010
               GPR04: 0000000000000000 0000000000000010 0000000000000000
ffffffffffffffff
               GPR08: ffffffffffff0000 0000000000000000 0000000000000000
0000000000000000
               GPR12: c0000000006a1230 c00000001ec9ee00 0000000000000000
00007fffe03f6b64
               GPR16: 000000000ee6b280 00007fffe03f6ad0 0000000000000000
0000000000000000
               GPR20: 0000000000000000 0000000000000000 0000000000000000
c0000000012c4a40
               GPR24: 0000000000000000 0000000000000001 ffffffffffffffff
c000000021aacf40
               GPR28: c00000002b847968 c00000000c027440 0000000000000001
c00c00000015c240
[ 1026.822390] NIP [c0000000006a0f20] iomap_page_release+0x220/0x290
[ 1026.822400] LR [c0000000006a0df4] iomap_page_release+0xf4/0x290
[ 1026.822410] Call Trace:
[ 1026.822416] [c00000002b847830] [c0000000006a1484]
iomap_invalidatepage+0x254/0x2c0 (unreliable)                                   
[ 1026.822434] [c00000002b847880] [c000000000475028]
truncate_cleanup_page+0xa8/0x1d0
[ 1026.822449] [c00000002b8478b0] [c000000000475e7c]
truncate_inode_pages_range+0x22c/0x9d0
[ 1026.822464] [c00000002b847ac0] [c0000000005e2818] evict+0x218/0x230
[ 1026.822478] [c00000002b847b00] [c0000000005e28c0] dispose_list+0x90/0xe0
[ 1026.822491] [c00000002b847b40] [c0000000005e2ab4] evict_inodes+0x1a4/0x270
[ 1026.822504] [c00000002b847be0] [c0000000005b1af0]
generic_shutdown_super+0x70/0x170
[ 1026.822518] [c00000002b847c60] [c0000000005b1f08] kill_block_super+0x38/0xb0
[ 1026.822531] [c00000002b847c90] [c0000000005b3380]
deactivate_locked_super+0x80/0x140
[ 1026.822545] [c00000002b847cd0] [c0000000005ee64c] cleanup_mnt+0x15c/0x240
[ 1026.822559] [c00000002b847d20] [c00000000019a3a4] task_work_run+0xb4/0x120
[ 1026.822573] [c00000002b847d70] [c000000000024ca4]
do_notify_resume+0x164/0x170
[ 1026.822588] [c00000002b847da0] [c00000000003b51c]
syscall_exit_prepare+0x24c/0x390
[ 1026.822603] [c00000002b847e10] [c00000000000d380]
system_call_vectored_common+0x100/0x26c
[ 1026.822617] Instruction dump:
[ 1026.822626] 4bf01109 60000000 2c3e0000 e8610028 4082fea0 4bdce3d5 60000000
4bfffe94
[ 1026.822658] 3869ffff 60000000 4bfffe50 60420000 <0fe00000> 4bffff08 60000000
60420000
[ 1026.822690] irq event stamp: 4666
[ 1026.822697] hardirqs last  enabled at (4665): [<c000000000542b04>]
__slab_free+0x414/0x610
[ 1026.822709] hardirqs last disabled at (4666): [<c0000000000098f4>]
program_check_common_virt+0x304/0x360
[ 1026.822720] softirqs last  enabled at (4618): [<c00000000060889c>]
wb_queue_work+0x11c/0x300
[ 1026.822731] softirqs last disabled at (4614): [<c000000000608824>]
wb_queue_work+0xa4/0x300
[ 1026.822742] ---[ end trace 2285fc94a41146ef ]---

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