VFS: Lookup of '.' in ocfs2 loop0 would have caused loop VFS: Lookup of '.' in ocfs2 loop0 would have caused loop ocfs2: Unmounting device (7,0) on (node local) VFS: Busy inodes after unmount of loop0 (ocfs2) ------------[ cut here ]------------ kernel BUG at fs/super.c:653! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 5826 Comm: syz-executor210 Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:generic_shutdown_super+0x2bc/0x2c0 fs/super.c:651 Code: 03 42 80 3c 28 00 74 08 4c 89 f7 e8 3e f4 ee ff 49 8b 16 48 81 c3 70 06 00 00 48 c7 c7 00 1c 99 8b 48 89 de e8 b5 da f4 fe 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f RSP: 0018:ffffc90003f6fb80 EFLAGS: 00010246 RAX: 000000000000002f RBX: ffff88803491e670 RCX: 4129ccaaa755e200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11006923cf1 R08: ffff8880b8624293 R09: 1ffff110170c4852 R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffffff8e676cc0 R15: ffff88803491e788 FS: 0000000000000000(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e6e0940b8 CR3: 0000000031fec000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kill_block_super+0x44/0x90 fs/super.c:1755 deactivate_locked_super+0xb9/0x130 fs/super.c:474 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417 task_work_run+0x1d1/0x260 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x6b5/0x22e0 kernel/exit.c:964 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105 __do_sys_exit_group kernel/exit.c:1116 [inline] __se_sys_exit_group kernel/exit.c:1114 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1114 x64_sys_call+0x21ba/0x21c0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2e6e0497c9 Code: Unable to access opcode bytes at 0x7f2e6e04979f. RSP: 002b:00007ffe1c803c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2e6e0497c9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007f2e6e0ca390 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000246 R12: 00007f2e6e0ca390 R13: 0000000000000000 R14: 00007f2e6e0cb100 R15: 00007f2e6e017780 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:generic_shutdown_super+0x2bc/0x2c0 fs/super.c:651 Code: 03 42 80 3c 28 00 74 08 4c 89 f7 e8 3e f4 ee ff 49 8b 16 48 81 c3 70 06 00 00 48 c7 c7 00 1c 99 8b 48 89 de e8 b5 da f4 fe 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f RSP: 0018:ffffc90003f6fb80 EFLAGS: 00010246 RAX: 000000000000002f RBX: ffff88803491e670 RCX: 4129ccaaa755e200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11006923cf1 R08: ffff8880b8624293 R09: 1ffff110170c4852 R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffffff8e676cc0 R15: ffff88803491e788 FS: 0000000000000000(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e6e0940b8 CR3: 0000000031fec000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400