------------[ cut here ]------------
WARNING: CPU: 0 PID: 4844 at include/linux/jbd2.h:1727 jbd2_journal_has_csum_v2or3 include/linux/jbd2.h:1726 [inline]
WARNING: CPU: 0 PID: 4844 at include/linux/jbd2.h:1727 jbd2_descriptor_blocks_per_trans fs/jbd2/transaction.c:75 [inline]
WARNING: CPU: 0 PID: 4844 at include/linux/jbd2.h:1727 jbd2_get_transaction fs/jbd2/transaction.c:112 [inline]
WARNING: CPU: 0 PID: 4844 at include/linux/jbd2.h:1727 start_this_handle+0xed6/0x15c0 fs/jbd2/transaction.c:412
Modules linked in:
CPU: 0 PID: 4844 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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+0xed6/0x15c0 fs/jbd2/transaction.c:412
Code: 00 00 00 e9 02 f5 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 43 f5 ff ff 48 89 df e8 84 61 a0 ff e9 36 f5 ff ff e8 2a 56 5b ff <0f> 0b e9 45 fc ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 52 f5 ff
RSP: 0018:ffffc900031bf760 EFLAGS: 00010293
RAX: ffffffff821dcae6 RBX: ffff88805d7cc980 RCX: ffff888023e60000
RDX: 0000000000000000 RSI: 0000000008000000 RDI: 0000000000000000
RBP: ffffc900031bf980 R08: ffff8880763a69cb R09: 1ffff1100ec74d39
R10: dffffc0000000000 R11: ffffed100ec74d3a R12: ffff88805d7cc0c0
R13: ffff88805c768028 R14: 0000000000000200 R15: dffffc0000000000
FS:  000055555b438500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000185f08e32000 CR3: 000000005dad6000 CR4: 00000000003506f0
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+0x3b2/0x6f0 fs/ocfs2/journal.c:376
 ocfs2_shutdown_local_alloc+0x1f8/0xaa0 fs/ocfs2/localalloc.c:416
 ocfs2_dismount_volume+0x1e1/0x8a0 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+0x42d/0x4e0 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: 0033:0x7f083b7cc157
Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffecf6e2628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f083b85f33b RCX: 00007f083b7cc157
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf6e26e0
RBP: 00007ffecf6e26e0 R08: 00007ffecf6e36e0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf6e3770
R13: 00007f083b85f33b R14: 000000000001a389 R15: 00007ffecf6e37b0
 </TASK>