------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:6012!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7740 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__ocfs2_flush_truncate_log+0x1061/0x11d0 fs/ocfs2/alloc.c:6012
Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c ea fb ff ff 4c 89 ef e8 50 92 9b fe e9 dd fb ff ff e8 e6 62 4b fe 0f 0b e8 df 62 4b fe <0f> 0b 65 44 8b 35 15 a6 cc 7c 48 c7 c0 b0 6c 1f 8e 48 c1 e8 03 48
RSP: 0018:ffffc900033f79a0 EFLAGS: 00010293
RAX: ffffffff83357381 RBX: ffff888070a93a00 RCX: ffff88807fbc5940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900033f7bd8 R08: dffffc0000000000 R09: fffff5200067ef1d
R10: fffff5200067ef1d R11: 1ffff9200067ef1c R12: 0000000000000001
R13: ffff888053e0c178 R14: ffff888074790000 R15: ffff888054a98000
FS:  000055556fcfc500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000002b2030 CR3: 00000000521ed000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_flush_truncate_log+0x4b/0x60 fs/ocfs2/alloc.c:6077
 ocfs2_sync_fs+0x113/0x310 fs/ocfs2/super.c:402
 sync_filesystem+0x1be/0x220 fs/sync.c:66
 generic_shutdown_super+0x6b/0x340 fs/super.c:474
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x463/0x4f0 fs/namespace.c:1191
 task_work_run+0x1ca/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f235cb902f7
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:00007ffd37c5a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f235cc11d7d RCX: 00007f235cb902f7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd37c5aa30
RBP: 00007ffd37c5aa30 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd37c5bac0
R13: 00007f235cc11d7d R14: 000000000003e95b R15: 00007ffd37c5bb00
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ocfs2_flush_truncate_log+0x1061/0x11d0 fs/ocfs2/alloc.c:6012
Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c ea fb ff ff 4c 89 ef e8 50 92 9b fe e9 dd fb ff ff e8 e6 62 4b fe 0f 0b e8 df 62 4b fe <0f> 0b 65 44 8b 35 15 a6 cc 7c 48 c7 c0 b0 6c 1f 8e 48 c1 e8 03 48
RSP: 0018:ffffc900033f79a0 EFLAGS: 00010293
RAX: ffffffff83357381 RBX: ffff888070a93a00 RCX: ffff88807fbc5940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900033f7bd8 R08: dffffc0000000000 R09: fffff5200067ef1d
R10: fffff5200067ef1d R11: 1ffff9200067ef1c R12: 0000000000000001
R13: ffff888053e0c178 R14: ffff888074790000 R15: ffff888054a98000
FS:  000055556fcfc500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000404030 CR3: 00000000521ed000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400