------------[ cut here ]------------ kernel BUG at fs/ocfs2/alloc.c:6012! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5368 Comm: kworker/u4:11 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: ocfs2_wq ocfs2_truncate_log_worker pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __ocfs2_flush_truncate_log+0xe98/0x1068 fs/ocfs2/alloc.c:6012 lr : __ocfs2_flush_truncate_log+0xe98/0x1068 fs/ocfs2/alloc.c:6012 sp : ffff8000206578a0 x29: ffff800020657a60 x28: ffff0000f4eddc00 x27: dfff800000000000 x26: 1fffe000198b49e5 x25: ffff0000cc5a4f20 x24: ffff0000cc5a4000 x23: ffff0000e1ceb338 x22: ffff0000cc5a4f28 x21: 0000000000000001 x20: ffff0000f91eba00 x19: ffff7000040caf24 x18: ffff800011a5bd40 x17: ffff800018184000 x16: ffff8000082cf240 x15: ffff800017c65000 x14: ffff0000f214ddd8 x13: ffff0000f214de28 x12: 0000000000ff0100 x11: ff00800009cc2514 x10: 0000000000000000 x9 : ffff800009cc2514 x8 : ffff0000f214d340 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80001849c7c8 x4 : 0000000000000008 x3 : ffff8000082cf2d8 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: __ocfs2_flush_truncate_log+0xe98/0x1068 fs/ocfs2/alloc.c:6012 ocfs2_flush_truncate_log fs/ocfs2/alloc.c:6077 [inline] ocfs2_truncate_log_worker+0xa4/0x198 fs/ocfs2/alloc.c:6090 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Code: 17ffff12 979f82fe d4210000 979f82fc (d4210000) ---[ end trace 0000000000000000 ]---