------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2584!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 7410 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:_ocfs2_free_suballoc_bits+0x1179/0x1330 fs/ocfs2/suballoc.c:2584
Code: e7 e8 1b 29 7d fe 49 8b 3c 24 4c 89 fe 4c 89 f2 48 8b 4c 24 48 4c 8b 44 24 20 e8 32 9f 00 00 e9 10 01 00 00 e8 28 6a 1b fe 90 <0f> 0b e8 20 6a 1b fe 90 0f 0b f3 0f 1e fa 65 8b 1d f6 5c ff 0d bf
RSP: 0000:ffffc90004d7f680 EFLAGS: 00010293
RAX: ffffffff83a34328 RBX: 0000000000000395 RCX: ffff8880337a1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004d7f828 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1dac84f R12: ffff88803d123250
R13: dffffc0000000000 R14: 0000000000000002 R15: ffff88805f2c1ac8
FS:  000055555656e500(0000) GS:ffff888126df6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f10fa4c7000 CR3: 0000000021724000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5e4/0xa70 fs/ocfs2/suballoc.c:2672
 ocfs2_sync_local_to_main+0x540/0xb60 fs/ocfs2/localalloc.c:991
 ocfs2_shutdown_local_alloc+0x6e0/0xa10 fs/ocfs2/localalloc.c:447
 ocfs2_dismount_volume+0x201/0x8d0 fs/ocfs2/super.c:1825
 generic_shutdown_super+0x135/0x2c0 fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1729
 deactivate_locked_super+0xbc/0x130 fs/super.c:473
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1318
 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: 0033:0x7f9a769c0a77
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:00007ffd4a87cfe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f9a76a43d7d RCX: 00007f9a769c0a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd4a87d0a0
RBP: 00007ffd4a87d0a0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd4a87e130
R13: 00007f9a76a43d7d R14: 000000000005041c R15: 00007ffd4a87e170
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x1179/0x1330 fs/ocfs2/suballoc.c:2584
Code: e7 e8 1b 29 7d fe 49 8b 3c 24 4c 89 fe 4c 89 f2 48 8b 4c 24 48 4c 8b 44 24 20 e8 32 9f 00 00 e9 10 01 00 00 e8 28 6a 1b fe 90 <0f> 0b e8 20 6a 1b fe 90 0f 0b f3 0f 1e fa 65 8b 1d f6 5c ff 0d bf
RSP: 0000:ffffc90004d7f680 EFLAGS: 00010293
RAX: ffffffff83a34328 RBX: 0000000000000395 RCX: ffff8880337a1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004d7f828 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1dac84f R12: ffff88803d123250
R13: dffffc0000000000 R14: 0000000000000002 R15: ffff88805f2c1ac8
FS:  000055555656e500(0000) GS:ffff888126df6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f10fa4c7000 CR3: 0000000021724000 CR4: 00000000003526f0