------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:6009!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4268 Comm: kworker/u4:5 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: ocfs2_wq ocfs2_truncate_log_worker
RIP: 0010:__ocfs2_flush_truncate_log+0xfe9/0x1110 fs/ocfs2/alloc.c:6009
Code: 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c e6 fb ff ff 4c 89 f7 e8 a8 c1 a6 fe e9 d9 fb ff ff e8 5e b5 61 fe 0f 0b e8 57 b5 61 fe <0f> 0b 65 44 8b 35 65 a8 ea 7c bf 07 00 00 00 44 89 f6 e8 a0 b8 61
RSP: 0018:ffffc900033bf980 EFLAGS: 00010293
RAX: ffffffff83176ce9 RBX: 1ffff92000677f44 RCX: ffff888028f3d940
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900033bfb90 R08: ffffc900033bf8c7 R09: 1ffff92000677f18
R10: dffffc0000000000 R11: fffff52000677f19 R12: 00000000ffffffff
R13: ffff88805f728878 R14: ffff888065bb7e00 R15: ffff888061016800
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae93800a89 CR3: 0000000022d19000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_flush_truncate_log fs/ocfs2/alloc.c:6074 [inline]
 ocfs2_truncate_log_worker+0x9f/0x190 fs/ocfs2/alloc.c:6087
 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace faafd7404ded61cc ]---
RIP: 0010:__ocfs2_flush_truncate_log+0xfe9/0x1110 fs/ocfs2/alloc.c:6009
Code: 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c e6 fb ff ff 4c 89 f7 e8 a8 c1 a6 fe e9 d9 fb ff ff e8 5e b5 61 fe 0f 0b e8 57 b5 61 fe <0f> 0b 65 44 8b 35 65 a8 ea 7c bf 07 00 00 00 44 89 f6 e8 a0 b8 61
RSP: 0018:ffffc900033bf980 EFLAGS: 00010293
RAX: ffffffff83176ce9 RBX: 1ffff92000677f44 RCX: ffff888028f3d940
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900033bfb90 R08: ffffc900033bf8c7 R09: 1ffff92000677f18
R10: dffffc0000000000 R11: fffff52000677f19 R12: 00000000ffffffff
R13: ffff88805f728878 R14: ffff888065bb7e00 R15: ffff888061016800
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d4575ab660 CR3: 0000000075b58000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400