(syz-executor,4275,0):__ocfs2_flush_truncate_log:6050 ERROR: status = -30
(syz-executor,4275,0):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: 4275 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:_ocfs2_free_suballoc_bits+0xe95/0x11d0 fs/ocfs2/suballoc.c:2478
Code: ff ff 89 d1 80 e1 07 fe c1 38 c1 0f 8c 2c fa ff ff 48 8b 7c 24 30 e8 4a 2a 86 fe 48 8b 54 24 30 e9 18 fa ff ff e8 9b 02 35 fe <0f> 0b e8 94 02 35 fe 0f 0b 65 44 8b 25 1a fb b4 7c 48 c7 c0 70 11
RSP: 0018:ffffc90003f576c0 EFLAGS: 00010293
RAX: ffffffff834d1e75 RBX: 0000000000000020 RCX: ffff88807c040000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90003f57848 R08: 0000000000000020 R09: 00000000000000bc
R10: dffffc0000000000 R11: fffffbfff1c401ee R12: ffff888054ae7790
R13: dffffc0000000000 R14: 00000000ffffffff R15: ffff88804f28be00
FS:  000055558a711500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000053f000 CR3: 000000005b791000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x605/0xb00 fs/ocfs2/suballoc.c:2579
 ocfs2_sync_local_to_main+0x567/0xc20 fs/ocfs2/localalloc.c:996
 ocfs2_shutdown_local_alloc+0x72d/0xac0 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+0x471/0x4f0 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: 0033:0x7faafd59e097
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:00007ffe4d360228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007faafd6322ca RCX: 00007faafd59e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4d3602e0
RBP: 00007ffe4d3602e0 R08: 00007ffe4d3612e0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4d361370
R13: 00007faafd6322ca R14: 000000000002e98a R15: 00007ffe4d3613b0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0xe95/0x11d0 fs/ocfs2/suballoc.c:2478
Code: ff ff 89 d1 80 e1 07 fe c1 38 c1 0f 8c 2c fa ff ff 48 8b 7c 24 30 e8 4a 2a 86 fe 48 8b 54 24 30 e9 18 fa ff ff e8 9b 02 35 fe <0f> 0b e8 94 02 35 fe 0f 0b 65 44 8b 25 1a fb b4 7c 48 c7 c0 70 11
RSP: 0018:ffffc90003f576c0 EFLAGS: 00010293
RAX: ffffffff834d1e75 RBX: 0000000000000020 RCX: ffff88807c040000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90003f57848 R08: 0000000000000020 R09: 00000000000000bc
R10: dffffc0000000000 R11: fffffbfff1c401ee R12: ffff888054ae7790
R13: dffffc0000000000 R14: 00000000ffffffff R15: ffff88804f28be00
FS:  000055558a711500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000360030 CR3: 000000005b791000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400