[Bug 216639] New: [xfstests] WARNING: CPU: 1 PID: 429349 at mm/huge_memory.c:2465 __split_huge_page_tail+0xab0/0xce0

bugzilla-daemon
2022-10-30T02:38:22Z

Bug ID: 216639
Summary: [xfstests] WARNING: CPU: 1 PID: 429349 at
mm/huge_memory.c:2465
__split_huge_page_tail+0xab0/0xce0
Product: File System
Version: 2.5
Kernel Version: v6.1-rc2+
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

Many xfstests cases fail [1] and hit below kernel
(HEAD=05c31d25cc9678cc173cf12e259d638e8a641f66) warning [2] (on x86_64 and
s390x). No special mkfs or mount options, just simple default xfs testing,
without any MKFS_OPTIONS or MOUNT_OPTIONS specified.

[1]
FSTYP -- xfs (debug)
PLATFORM -- Linux/x86_64 hp-xxxxxx-xx-xxxx 6.1.0-rc2+ #1 SMP
PREEMPT_DYNAMIC Fri Oct 28 19:52:51 EDT 2022
MKFS_OPTIONS -- -f -m crc=1,finobt=1,rmapbt=0,reflink=1,bigtime=1,inobtcount=1
/dev/vda2
MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 /dev/vda2
/mnt/xfstests/scratch

generic/061 _check_dmesg: something found in dmesg (see
/var/lib/xfstests/results//generic/061.dmesg)

Ran: generic/061
Failures: generic/061
Failed 1 of 1 tests

[2]
[14281.743118] run fstests generic/061 at 2022-10-29 01:00:39
[14295.930483] page:000000001065a86b refcount:0 mapcount:0
mapping:0000000064faa2f2 index:0x40 pfn:0x143040
[14295.947825] head:000000001065a86b order:5 compound_mapcount:0
compound_pincount:0
[14295.950100] memcg:ffff88817efe2000
[14295.951215] aops:xfs_address_space_operations [xfs] ino:8e dentry
name:"061.429109"
[14295.955474] flags:
0x17ffffc0010035(locked|uptodate|lru|active|head|node=0|zone=2|lastcpupid=0x1fffff)
[14295.958302] raw: 0017ffffc0010035 ffffea0004756c08 ffffea00050c1788
ffff88811e804448
[14295.960624] raw: 0000000000000040 0000000000000000 00000000ffffffff
ffff88817efe2000
[14295.962927] page dumped because: VM_WARN_ON_ONCE_PAGE(page_tail->private !=
0)
[14295.965744] ------------[ cut here ]------------
[14295.967201] WARNING: CPU: 1 PID: 429349 at mm/huge_memory.c:2465
__split_huge_page_tail+0xab0/0xce0
[14295.970250] Modules linked in: dm_flakey dm_mod tls rfkill
snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg
snd_intel_sdw_acpi snd_hda_codec snd_hda_core qxl snd_hwdep snd_seq
snd_seq_device drm_ttm_helper ttm snd_pcm joydev drm_kms_helper syscopyarea
snd_timer sysfillrect snd virtio_balloon pcspkr sysimgblt fb_sys_fops i2c_piix4
sunrpc soundcore drm fuse xfs libcrc32c crct10dif_pclmul crc32_pclmul
ata_generic crc32c_intel ata_piix ghash_clmulni_intel libata virtio_net
net_failover virtio_blk serio_raw failover virtio_console
[14295.984668] CPU: 1 PID: 429349 Comm: xfs_io Kdump: loaded Tainted: G
W 6.1.0-rc2+ #1
[14295.987390] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[14295.989144] RIP: 0010:__split_huge_page_tail+0xab0/0xce0
[14295.990785] Code: fe ff e9 8e f7 ff ff 80 3d 72 8b 90 03 00 0f 85 66 f7 ff
ff 48 c7 c6 40 2c 1f ae 4c 89 e7 e8 47 0f eb ff c6 05 56 8b 90 03 01 <0f> 0b e9
49 f7 ff ff 4c 89 ff e8 91 0c fe ff e9 56 f6 ff ff e8 07
[14295.996399] RSP: 0018:ffffc9000b46f6f8 EFLAGS: 00010082
[14295.998036] RAX: 0000000000000042 RBX: ffffea00050c1740 RCX:
0000000000000000
[14296.000212] RDX: 0000000000000003 RSI: 0000000000000004 RDI:
fffff5200168decf
[14296.002360] RBP: ffffea00050c1008 R08: 0000000000000042 R09:
ffff8881e49efceb
[14296.004528] R10: ffffed103c93df9d R11: 0000000000000001 R12:
ffffea00050c1000
[14296.006705] R13: 0000000000000000 R14: ffffea00050c1768 R15:
ffffea00050c1000
[14296.008872] FS: 00007fa85ff20740(0000) GS:ffff8881e4800000(0000)
knlGS:0000000000000000
[14296.011295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[14296.013067] CR2: 00007fa85fa00658 CR3: 000000017541a000 CR4:
00000000000406e0
[14296.015290] Call Trace:
[14296.016083] <TASK>
[14296.016818] ? lru_add_page_tail+0x67e/0xb00
[14296.018235] __split_huge_page+0x2a5/0x11b0
[14296.019675] split_huge_page_to_list+0xb13/0xf30
[14296.021160] ? kasan_quarantine_put+0x109/0x220
[14296.022588] ? can_split_folio+0x280/0x280
[14296.023981] ? truncate_inode_partial_folio+0x2d8/0x370
[14296.025973] ? __kmem_cache_free+0xb8/0x3a0
[14296.027369] truncate_inode_partial_folio+0x1d9/0x370
[14296.028940] truncate_inode_pages_range+0x350/0xbc0
[14296.030519] ? truncate_inode_partial_folio+0x370/0x370
[14296.050033] ? lock_downgrade+0x130/0x130
[14296.051408] ? __up_read+0x192/0x730
[14296.052569] ? up_write+0x20/0x20
[14296.053650] ? unmap_mapping_range+0xe0/0x250
[14296.055265] ? free_pgtables+0x2a0/0x3e0
[14296.056544] ? unmap_mapping_range+0xe0/0x250
[14296.057948] ? __do_fault+0x430/0x430
[14296.059204] truncate_pagecache+0x63/0x90
[14296.060471] xfs_setattr_size+0x2a2/0xc50 [xfs]
[14296.062504] ? xfs_vn_getattr+0x12f0/0x12f0 [xfs]
[14296.064442] ? xfs_break_layouts+0xe7/0x130 [xfs]
[14296.066381] ? setattr_prepare+0xe6/0x9e0
[14296.067749] xfs_vn_setattr+0x1bc/0x200 [xfs]
[14296.069587] ? xfs_setattr_size+0xc50/0xc50 [xfs]
[14296.071588] notify_change+0x961/0xfb0
[14296.072769] ? down_write_killable_nested+0x290/0x290
[14296.074498] ? do_truncate+0xf0/0x1a0
[14296.075678] do_truncate+0xf0/0x1a0
[14296.076794] ? file_open_root+0x210/0x210
[14296.078042] ? rcu_read_unlock+0x40/0x40
[14296.079437] do_sys_ftruncate+0x30a/0x5c0
[14296.080755] do_syscall_64+0x5c/0x90
[14296.081907] ? lockdep_hardirqs_on+0x79/0x100
[14296.083304] ? do_syscall_64+0x69/0x90
[14296.084699] ? asm_exc_page_fault+0x22/0x30
[14296.086021] ? lockdep_hardirqs_on+0x79/0x100
[14296.087422] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[14296.088989] RIP: 0033:0x7fa85fd464cb
[14296.090168] Code: 77 05 c3 0f 1f 40 00 48 8b 15 51 39 0b 00 f7 d8 64 89 02
b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 4d 00 00 00 0f 05 <48> 3d 00
f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 21 39 0b 00 f7 d8
[14296.095662] RSP: 002b:00007fff0e111698 EFLAGS: 00000202 ORIG_RAX:
000000000000004d
[14296.097952] RAX: ffffffffffffffda RBX: 0000000000cfbfc0 RCX:
00007fa85fd464cb
[14296.100121] RDX: 0000000000000000 RSI: 0000000000050000 RDI:
0000000000000003
[14296.102272] RBP: 0000000000cfbfc0 R08: 1999999999999999 R09:
0000000000000000
[14296.104451] R10: 00007fa85fc05a48 R11: 0000000000000202 R12:
0000000000cfbfa0
[14296.106628] R13: 0000000000cfbfa0 R14: 0000000000cfbd70 R15:
0000000000000002
[14296.108934] </TASK>
[14296.109705] irq event stamp: 13262
[14296.110819] hardirqs last enabled at (13261): [<ffffffffac017f39>]
kasan_quarantine_put+0x109/0x220
[14296.113552] hardirqs last disabled at (13262): [<ffffffffac043ad3>]
split_huge_page_to_list+0xba3/0xf30
[14296.116556] softirqs last enabled at (13168): [<ffffffffade00625>]
__do_softirq+0x625/0x9b0
[14296.119091] softirqs last disabled at (13161): [<ffffffffab825b7c>]
__irq_exit_rcu+0x1fc/0x2a0
[14296.121754] ---[ end trace 0000000000000000 ]---
[14301.252660] XFS (vda3): EXPERIMENTAL online scrub feature in use. Use at
your own risk!
[14302.306970] XFS (vda3): Unmounting Filesystem
[14304.275761] XFS (vda3): Mounting V5 Filesystem
[14304.385543] XFS (vda3): Ending clean mount
[14304.967072] XFS (vda3): Unmounting Filesystem