------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2468!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4267 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:_ocfs2_free_suballoc_bits+0xe4c/0x1170 fs/ocfs2/suballoc.c:2468
Code: 49 89 ce 45 89 c7 e8 d3 55 8a fe 48 8b 74 24 30 45 89 f8 4c 89 f1 49 be 00 00 00 00 00 fc ff df e9 c0 fa ff ff e8 d4 26 3a fe <0f> 0b e8 cd 26 3a fe 0f 0b 65 44 8b 25 03 6a bb 7c 48 c7 c0 b0 6c
RSP: 0000:ffffc90003e076a0 EFLAGS: 00010293
RAX: ffffffff8346af8c RBX: 0000000000000001 RCX: ffff88807d269dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003e07828 R08: 0000000000000020 R09: 000000000000007f
R10: fffffbfff1c3ed56 R11: 1ffffffff1c3ed55 R12: ffff88801dbbae00
R13: 0000000000000020 R14: dffffc0000000000 R15: ffff888054ebbc08
FS:  0000555580104500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558011f5c8 CR3: 000000005ab33000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5fd/0xae0 fs/ocfs2/suballoc.c:2569
 ocfs2_sync_local_to_main+0x570/0xc00 fs/ocfs2/localalloc.c:996
 ocfs2_shutdown_local_alloc+0x6dd/0xa10 fs/ocfs2/localalloc.c:446
 ocfs2_dismount_volume+0x1fc/0x930 fs/ocfs2/super.c:1882
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 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: 0033:0x7f032e3909f7
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:00007fffae5748c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f032e411d7d RCX: 00007f032e3909f7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffae574980
RBP: 00007fffae574980 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffae575a10
R13: 00007f032e411d7d R14: 0000000000072a1e R15: 00007fffae575a50
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0xe4c/0x1170 fs/ocfs2/suballoc.c:2468
Code: 49 89 ce 45 89 c7 e8 d3 55 8a fe 48 8b 74 24 30 45 89 f8 4c 89 f1 49 be 00 00 00 00 00 fc ff df e9 c0 fa ff ff e8 d4 26 3a fe <0f> 0b e8 cd 26 3a fe 0f 0b 65 44 8b 25 03 6a bb 7c 48 c7 c0 b0 6c
RSP: 0000:ffffc90003e076a0 EFLAGS: 00010293
RAX: ffffffff8346af8c RBX: 0000000000000001 RCX: ffff88807d269dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003e07828 R08: 0000000000000020 R09: 000000000000007f
R10: fffffbfff1c3ed56 R11: 1ffffffff1c3ed55 R12: ffff88801dbbae00
R13: 0000000000000020 R14: dffffc0000000000 R15: ffff888054ebbc08
FS:  0000555580104500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f80eff8 CR3: 000000005ab33000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400