------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2542!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 25 Comm: kworker/u4:2 Not tainted 6.14.0-rc3-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: ocfs2_wq ocfs2_truncate_log_worker
RIP: 0010:_ocfs2_free_suballoc_bits+0x1183/0x1470 fs/ocfs2/suballoc.c:2542
Code: f9 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c fc fb ff ff 48 89 fb e8 ab dd 61 fe 48 89 df e9 ec fb ff ff e8 6e 9c fa fd 90 <0f> 0b e8 66 9c fa fd 90 0f 0b f3 0f 1e fa 65 44 8b 3d a3 ba 3c 7c
RSP: 0018:ffffc900004c75a0 EFLAGS: 00010293
RAX: ffffffff83c71bd2 RBX: 00000000ffffffff RCX: ffff88801c7e8000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900004c7748 R08: ffffffff83c70b4e R09: 0000000000000008
R10: dffffc0000000000 R11: fffffbfff2079ccf R12: 0000000000000008
R13: ffff88801acbcae0 R14: ffff8880441e8e00 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3248bff000 CR3: 0000000011e12000 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 fs/ocfs2/alloc.c:6076 [inline]
 ocfs2_truncate_log_worker+0xa2/0x1b0 fs/ocfs2/alloc.c:6089
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x1183/0x1470 fs/ocfs2/suballoc.c:2542
Code: f9 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c fc fb ff ff 48 89 fb e8 ab dd 61 fe 48 89 df e9 ec fb ff ff e8 6e 9c fa fd 90 <0f> 0b e8 66 9c fa fd 90 0f 0b f3 0f 1e fa 65 44 8b 3d a3 ba 3c 7c
RSP: 0018:ffffc900004c75a0 EFLAGS: 00010293
RAX: ffffffff83c71bd2 RBX: 00000000ffffffff RCX: ffff88801c7e8000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900004c7748 R08: ffffffff83c70b4e R09: 0000000000000008
R10: dffffc0000000000 R11: fffffbfff2079ccf R12: 0000000000000008
R13: ffff88801acbcae0 R14: ffff8880441e8e00 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3248bff000 CR3: 000000001f2ce000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400