------------[ cut here ]------------ kernel BUG at fs/ocfs2/alloc.c:6011! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4443 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __ocfs2_flush_truncate_log+0xed4/0x10a4 fs/ocfs2/alloc.c:6011 lr : __ocfs2_flush_truncate_log+0xed4/0x10a4 fs/ocfs2/alloc.c:6011 sp : ffff8000214d7680 x29: ffff8000214d7840 x28: ffff0000d3a8cf28 x27: ffff70000429aee0 x26: 1fffe0001a7519e4 x25: ffff0000d9868800 x24: 1fffe0001a7519e5 x23: dfff800000000000 x22: ffff0000f1833338 x21: 0000000000000001 x20: ffff0000ec166a00 x19: ffff0000d3a8c000 x18: 1fffe00033e7277e x17: ffff80001537d000 x16: ffff8000082d89c8 x15: 000000000004ffff x14: 0000000000000001 x13: 1ffff0000429aeb4 x12: 0000000000000049 x11: ff00800009d70b64 x10: 0000000000000000 x9 : ffff800009d70b64 x8 : ffff0000de6d9c00 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80001868c878 x4 : 0000000000000008 x3 : ffff8000082d8a64 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: __ocfs2_flush_truncate_log+0xed4/0x10a4 fs/ocfs2/alloc.c:6011 ocfs2_flush_truncate_log+0x4c/0x6c fs/ocfs2/alloc.c:6076 ocfs2_sync_fs+0x100/0x2c0 fs/ocfs2/super.c:402 sync_filesystem+0x1a0/0x218 fs/sync.c:66 generic_shutdown_super+0x74/0x32c fs/super.c:474 kill_block_super+0x78/0xe0 fs/super.c:1470 deactivate_locked_super+0xb4/0x128 fs/super.c:332 deactivate_super+0xe4/0x104 fs/super.c:363 cleanup_mnt+0x3a8/0x430 fs/namespace.c:1191 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198 task_work_run+0x1f4/0x280 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x20f8/0x2c84 arch/arm64/kernel/signal.c:1151 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 17ffff05 979d081b d4210000 979d0819 (d4210000) ---[ end trace 0000000000000000 ]---