------------[ cut here ]------------
WARNING: CPU: 1 PID: 4285 at include/linux/jbd2.h:1727 jbd2_journal_has_csum_v2or3 include/linux/jbd2.h:1726 [inline]
WARNING: CPU: 1 PID: 4285 at include/linux/jbd2.h:1727 jbd2_descriptor_blocks_per_trans fs/jbd2/transaction.c:75 [inline]
WARNING: CPU: 1 PID: 4285 at include/linux/jbd2.h:1727 jbd2_get_transaction fs/jbd2/transaction.c:112 [inline]
WARNING: CPU: 1 PID: 4285 at include/linux/jbd2.h:1727 start_this_handle+0xe9c/0x15a0 fs/jbd2/transaction.c:412
Modules linked in:
CPU: 1 PID: 4285 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:jbd2_journal_has_csum_v2or3 include/linux/jbd2.h:1726 [inline]
RIP: 0010:jbd2_descriptor_blocks_per_trans fs/jbd2/transaction.c:75 [inline]
RIP: 0010:jbd2_get_transaction fs/jbd2/transaction.c:112 [inline]
RIP: 0010:start_this_handle+0xe9c/0x15a0 fs/jbd2/transaction.c:412
Code: a1 ff e9 3f f5 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 7a f5 ff ff 4c 89 f7 e8 0e 63 a1 ff e9 6d f5 ff ff e8 74 fa 5c ff <0f> 0b e9 40 fc ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 8a f5 ff
RSP: 0018:ffffc900011ff760 EFLAGS: 00010293
RAX: ffffffff821ad19c RBX: ffff88801bdcea80 RCX: ffff8880195dd940
RDX: 0000000000000000 RSI: 0000000008000000 RDI: 0000000000000000
RBP: ffffc900011ff980 R08: dffffc0000000000 R09: ffffed10037b9d6a
R10: ffffed10037b9d6a R11: 1ffff110037b9d69 R12: ffff8880747be000
R13: ffff8880747be980 R14: 0000000000000200 R15: dffffc0000000000
FS: 000055556e1b9500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc8bd2cc000 CR3: 0000000074ec0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
jbd2__journal_start+0x2b7/0x5a0 fs/jbd2/transaction.c:521
jbd2_journal_start+0x26/0x30 fs/jbd2/transaction.c:560
ocfs2_start_trans+0x374/0x6c0 fs/ocfs2/journal.c:376
ocfs2_shutdown_local_alloc+0x1fd/0xa10 fs/ocfs2/localalloc.c:416
ocfs2_dismount_volume+0x1de/0x880 fs/ocfs2/super.c:1885
generic_shutdown_super+0x130/0x300 fs/super.c:475
kill_block_super+0x7c/0xe0 fs/super.c:1427
deactivate_locked_super+0x93/0xf0 fs/super.c:335
cleanup_mnt+0x418/0x4d0 fs/namespace.c:1148
task_work_run+0x125/0x1a0 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9986048a77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffcccfc82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f99860cbd7d RCX: 00007f9986048a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcccfc83a0
RBP: 00007ffcccfc83a0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcccfc9430
R13: 00007f99860cbd7d R14: 0000000000014c25 R15: 00007ffcccfc9470
</TASK>