------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2469! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: ocfs2_wq ocfs2_truncate_log_worker pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : _ocfs2_free_suballoc_bits+0xc50/0xf70 fs/ocfs2/suballoc.c:2469 lr : _ocfs2_free_suballoc_bits+0xc50/0xf70 fs/ocfs2/suballoc.c:2469 sp : ffff80001bd47560 x29: ffff80001bd476c0 x28: 000000005efcccef x27: dfff800000000000 x26: ffff0000de22cf78 x25: ffff800009cdfafc x24: ffff0000df801e00 x23: ffff7000037a8ebc x22: 0000000000000e00 x21: 0000000000000e00 x20: 000000092636e000 x19: 000000005efcd2ab x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000fffffffc x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800009ce5208 x8 : ffff0000c2573680 x7 : 0000000000000000 x6 : ffff800009cdfafc x5 : 000000005efcccef x4 : 000000092636e000 x3 : 00000000000005bc x2 : ffff0000de231d98 x1 : 0000000000000e00 x0 : 000000005efcd2ab Call trace: _ocfs2_free_suballoc_bits+0xc50/0xf70 fs/ocfs2/suballoc.c:2469 _ocfs2_free_clusters+0x510/0x9b0 fs/ocfs2/suballoc.c:2569 ocfs2_free_clusters+0x50/0x68 fs/ocfs2/suballoc.c:2590 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline] __ocfs2_flush_truncate_log+0x5b0/0xf30 fs/ocfs2/alloc.c:6053 ocfs2_flush_truncate_log fs/ocfs2/alloc.c:6075 [inline] ocfs2_truncate_log_worker+0xa4/0x198 fs/ocfs2/alloc.c:6088 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457 kthread+0x374/0x454 kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Code: 17fffec8 979e4dc1 d4210000 979e4dbf (d4210000) ---[ end trace 95498f4423b57382 ]---