ocfs2: Unmounting device (7,0) on (node local)
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2543!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5761 Comm: syz-executor Not tainted 6.13.0-syzkaller-10003-ga86bf2283d2c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:_ocfs2_free_suballoc_bits+0x118b/0x1470 fs/ocfs2/suballoc.c:2543
Code: 07 80 c1 03 38 c1 0f 8c fc fb ff ff 48 89 fb e8 9b 9b 67 fe 48 89 df e9 ec fb ff ff e8 5e 02 01 fe 90 0f 0b e8 56 02 01 fe 90 <0f> 0b f3 0f 1e fa 65 44 8b 3d 33 7d 45 7c bf 07 00 00 00 44 89 fe
RSP: 0018:ffffc9000223f700 EFLAGS: 00010293
RAX: ffffffff83be590a RBX: 0000000000000e00 RCX: ffff888033338000
RDX: 0000000000000000 RSI: 0000000000000e00 RDI: 00000000810005b6
RBP: ffffc9000223f8a8 R08: ffffffff83be48f3 R09: 0000000081000152
R10: dffffc0000000000 R11: fffffbfff2036a2f R12: dffffc0000000000
R13: 00000000810005b6 R14: ffff888042d24e00 R15: 0000000000000e00
FS:  000055558369b500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd70544c18 CR3: 0000000040156000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5ef/0xac0 fs/ocfs2/suballoc.c:2646
 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline]
 __ocfs2_flush_truncate_log+0x760/0x1240 fs/ocfs2/alloc.c:6054
 ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6076
 ocfs2_sync_fs+0x125/0x390 fs/ocfs2/super.c:406
 sync_filesystem+0x1c8/0x230 fs/sync.c:66
 generic_shutdown_super+0x72/0x2d0 fs/super.c:621
 kill_block_super+0x44/0x90 fs/super.c:1710
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3766987057
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:00007ffd705453c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f3766a018f4 RCX: 00007f3766987057
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd70545480
RBP: 00007ffd70545480 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd70546500
R13: 00007f3766a018f4 R14: 00007ffd70546540 R15: 0000000000000002
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x118b/0x1470 fs/ocfs2/suballoc.c:2543
Code: 07 80 c1 03 38 c1 0f 8c fc fb ff ff 48 89 fb e8 9b 9b 67 fe 48 89 df e9 ec fb ff ff e8 5e 02 01 fe 90 0f 0b e8 56 02 01 fe 90 <0f> 0b f3 0f 1e fa 65 44 8b 3d 33 7d 45 7c bf 07 00 00 00 44 89 fe
RSP: 0018:ffffc9000223f700 EFLAGS: 00010293
RAX: ffffffff83be590a RBX: 0000000000000e00 RCX: ffff888033338000
RDX: 0000000000000000 RSI: 0000000000000e00 RDI: 00000000810005b6
RBP: ffffc9000223f8a8 R08: ffffffff83be48f3 R09: 0000000081000152
R10: dffffc0000000000 R11: fffffbfff2036a2f R12: dffffc0000000000
R13: 00000000810005b6 R14: ffff888042d24e00 R15: 0000000000000e00
FS:  000055558369b500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c007666000 CR3: 0000000040156000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400