(syz-executor,4278,0):ocfs2_inode_lock_full_nested:2509 ERROR: status = -30
(syz-executor,4278,0):__ocfs2_flush_truncate_log:6050 ERROR: status = -30
(syz-executor,4278,0):ocfs2_sync_fs:404 ERROR: status = -30
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2478!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4278 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:_ocfs2_free_suballoc_bits+0xeb5/0x11e0 fs/ocfs2/suballoc.c:2478
Code: 49 89 ce 45 89 c7 e8 7a 7f 85 fe 48 8b 74 24 40 45 89 f8 4c 89 f1 49 be 00 00 00 00 00 fc ff df e9 7f fa ff ff e8 3b 73 34 fe <0f> 0b e8 34 73 34 fe 0f 0b 65 44 8b 25 7a 17 b4 7c 48 c7 c0 f0 f5
RSP: 0018:ffffc90003ef76a0 EFLAGS: 00010293
RAX: ffffffff834e0215 RBX: 0000000000000001 RCX: ffff888019b83b80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003ef7828 R08: 0000000000000020 R09: 00000000000000fc
R10: dffffc0000000000 R11: fffffbfff1c3fe7e R12: ffff888052afce00
R13: 0000000000000020 R14: dffffc0000000000 R15: ffff88807149f9f8
FS:  0000555566e79500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f60bf600000 CR3: 000000005be20000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5fd/0xaf0 fs/ocfs2/suballoc.c:2579
 ocfs2_sync_local_to_main+0x567/0xc20 fs/ocfs2/localalloc.c:996
 ocfs2_shutdown_local_alloc+0x725/0xaa0 fs/ocfs2/localalloc.c:446
 ocfs2_dismount_volume+0x1ff/0x940 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+0x42c/0x4b0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 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:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f406719e017
Code: a2 c7 05 dc 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:00007ffdefecfa48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f4067232120 RCX: 00007f406719e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdefecfb00
RBP: 00007ffdefecfb00 R08: 00007ffdefed0b00 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdefed0b90
R13: 00007f4067232120 R14: 000000000001656b R15: 00007ffdefed0bd0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0xeb5/0x11e0 fs/ocfs2/suballoc.c:2478
Code: 49 89 ce 45 89 c7 e8 7a 7f 85 fe 48 8b 74 24 40 45 89 f8 4c 89 f1 49 be 00 00 00 00 00 fc ff df e9 7f fa ff ff e8 3b 73 34 fe <0f> 0b e8 34 73 34 fe 0f 0b 65 44 8b 25 7a 17 b4 7c 48 c7 c0 f0 f5
RSP: 0018:ffffc90003ef76a0 EFLAGS: 00010293
RAX: ffffffff834e0215 RBX: 0000000000000001 RCX: ffff888019b83b80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003ef7828 R08: 0000000000000020 R09: 00000000000000fc
R10: dffffc0000000000 R11: fffffbfff1c3fe7e R12: ffff888052afce00
R13: 0000000000000020 R14: dffffc0000000000 R15: ffff88807149f9f8
FS:  0000555566e79500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3a3600 CR3: 000000005be20000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400