------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2569!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8058 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:_ocfs2_free_suballoc_bits+0x1084/0x1330 fs/ocfs2/suballoc.c:2569
Code: 89 f1 80 e1 07 fe c1 38 c1 0f 8c 4d fc ff ff 4c 89 f7 e8 2f 62 79 fe e9 40 fc ff ff e8 75 be 13 fe 90 0f 0b e8 6d be 13 fe 90 <0f> 0b f3 0f 1e fa 65 44 8b 25 52 ac 15 0f bf 07 00 00 00 44 89 e6
RSP: 0018:ffffc90004b0f700 EFLAGS: 00010293
RAX: ffffffff83ac93d3 RBX: 0000000000008950 RCX: ffff88807a155ac0
RDX: 0000000000000000 RSI: 0000000000000e00 RDI: 0000000000008950
RBP: ffffc90004b0f8a8 R08: 0000000031d66000 R09: 0000000000007f50
R10: dffffc0000000000 R11: fffffbfff1f86d8f R12: 0000000000000e00
R13: dffffc0000000000 R14: 0000000031d66000 R15: 0000000000000e00
FS:  000055555e24b500(0000) GS:ffff8881259fc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555e2665c8 CR3: 000000008af96000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5e4/0xa70 fs/ocfs2/suballoc.c:2672
 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5979 [inline]
 __ocfs2_flush_truncate_log+0x706/0x10e0 fs/ocfs2/alloc.c:6062
 ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6084
 ocfs2_sync_fs+0x116/0x310 fs/ocfs2/super.c:406
 sync_filesystem+0x1cf/0x230 fs/sync.c:66
 generic_shutdown_super+0x6f/0x2c0 fs/super.c:621
 kill_block_super+0x44/0x90 fs/super.c:1722
 deactivate_locked_super+0xbc/0x130 fs/super.c:473
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1327
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f50023901f7
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:00007ffd857c8ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f5002411d7d RCX: 00007f50023901f7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd857c8d60
RBP: 00007ffd857c8d60 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd857c9df0
R13: 00007f5002411d7d R14: 00000000001b2ef3 R15: 00007ffd857c9e30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x1084/0x1330 fs/ocfs2/suballoc.c:2569
Code: 89 f1 80 e1 07 fe c1 38 c1 0f 8c 4d fc ff ff 4c 89 f7 e8 2f 62 79 fe e9 40 fc ff ff e8 75 be 13 fe 90 0f 0b e8 6d be 13 fe 90 <0f> 0b f3 0f 1e fa 65 44 8b 25 52 ac 15 0f bf 07 00 00 00 44 89 e6
RSP: 0018:ffffc90004b0f700 EFLAGS: 00010293
RAX: ffffffff83ac93d3 RBX: 0000000000008950 RCX: ffff88807a155ac0
RDX: 0000000000000000 RSI: 0000000000000e00 RDI: 0000000000008950
RBP: ffffc90004b0f8a8 R08: 0000000031d66000 R09: 0000000000007f50
R10: dffffc0000000000 R11: fffffbfff1f86d8f R12: 0000000000000e00
R13: dffffc0000000000 R14: 0000000031d66000 R15: 0000000000000e00
FS:  000055555e24b500(0000) GS:ffff888125afc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce691ede8 CR3: 000000008af96000 CR4: 00000000003526f0