------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2896!
CPU: 1 UID: 0 PID: 6313 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:_ocfs2_free_suballoc_bits+0x2684/0x2760 fs/ocfs2/suballoc.c:2896
Code: 08 48 8b 54 24 58 e9 47 ea ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 04 f5 ff ff e8 57 00 68 fe e9 fa f4 ff ff e8 fd fa fe fd 90 <0f> 0b e8 f5 fa fe fd e9 a9 00 00 00 89 d9 80 e1 07 fe c1 38 c1 0f
RSP: 0018:ffffc900064df620 EFLAGS: 00010293
RAX: ffffffff83c5ec63 RBX: 0000000000000400 RCX: ffff88802c581f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900064df888 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f125df R12: ffff8880681b1000
R13: 000000000000040d R14: dffffc0000000000 R15: ffff8880411abda8
FS:  000055558ce7f500(0000) GS:ffff88812625c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d65e56000 CR3: 00000000339b6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5c6/0xa80 fs/ocfs2/suballoc.c:2998
 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5988 [inline]
 __ocfs2_flush_truncate_log+0x762/0x1230 fs/ocfs2/alloc.c:6071
 ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6093
 ocfs2_sync_fs+0x11c/0x340 fs/ocfs2/super.c:406
 sync_filesystem+0x1ce/0x250 fs/sync.c:66
 generic_shutdown_super+0x77/0x2d0 fs/super.c:626
 kill_block_super+0x44/0x90 fs/super.c:1665
 deactivate_locked_super+0xbc/0x130 fs/super.c:477
 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa1c023e097
Code: a2 c7 05 5c 06 25 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:00007fffb59726d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa1c02d22ca RCX: 00007fa1c023e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb5972790
RBP: 00007fffb5972790 R08: 00007fffb5973790 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffb5973820
R13: 00007fa1c02d22ca R14: 000000000002b0e7 R15: 00007fffb5973860
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x2684/0x2760 fs/ocfs2/suballoc.c:2896
Code: 08 48 8b 54 24 58 e9 47 ea ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 04 f5 ff ff e8 57 00 68 fe e9 fa f4 ff ff e8 fd fa fe fd 90 <0f> 0b e8 f5 fa fe fd e9 a9 00 00 00 89 d9 80 e1 07 fe c1 38 c1 0f
RSP: 0018:ffffc900064df620 EFLAGS: 00010293
RAX: ffffffff83c5ec63 RBX: 0000000000000400 RCX: ffff88802c581f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900064df888 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f125df R12: ffff8880681b1000
R13: 000000000000040d R14: dffffc0000000000 R15: ffff8880411abda8
FS:  000055558ce7f500(0000) GS:ffff88812625c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d65f2d000 CR3: 00000000339b6000 CR4: 00000000003526f0