ocfs2: Unmounting device (7,2) on (node local) VFS: Busy inodes after unmount of loop2 (ocfs2) ------------[ cut here ]------------ kernel BUG at fs/super.c:697! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5766 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:generic_shutdown_super+0x2ad/0x2b0 fs/super.c:695 Code: e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 ac 59 f0 ff 49 8b 16 48 81 c3 60 06 00 00 48 c7 c7 20 ad d7 8a 48 89 de e8 83 9d 8b 08 <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 53 48 89 fb 49 bf 00 00 00 00 RSP: 0018:ffffc900045afd20 EFLAGS: 00010246 RAX: 000000000000002f RBX: ffff88805901c660 RCX: 69d72824c6f70a00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100b2038f2 R08: ffffc900045afa27 R09: 1ffff920008b5f44 R10: dffffc0000000000 R11: fffff520008b5f45 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffffff8d635000 R15: ffff88805901c790 FS: 0000555565fd8500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f81263456b8 CR3: 0000000060dc3000 CR4: 00000000003506f0 Call Trace: kill_block_super+0x44/0x90 fs/super.c:1660 deactivate_locked_super+0x97/0x100 fs/super.c:481 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259 task_work_run+0x1d4/0x260 kernel/task_work.c:245 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fa0d0d9da57 Code: a2 c7 05 9c fc 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe6e125e18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fa0d0e32048 RCX: 00007fa0d0d9da57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe6e125ed0 RBP: 00007ffe6e125ed0 R08: 00007ffe6e126ed0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6e126f60 R13: 00007fa0d0e32048 R14: 000000000001aad2 R15: 00007ffe6e126fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:generic_shutdown_super+0x2ad/0x2b0 fs/super.c:695 Code: e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 ac 59 f0 ff 49 8b 16 48 81 c3 60 06 00 00 48 c7 c7 20 ad d7 8a 48 89 de e8 83 9d 8b 08 <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 53 48 89 fb 49 bf 00 00 00 00 RSP: 0018:ffffc900045afd20 EFLAGS: 00010246 RAX: 000000000000002f RBX: ffff88805901c660 RCX: 69d72824c6f70a00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100b2038f2 R08: ffffc900045afa27 R09: 1ffff920008b5f44 R10: dffffc0000000000 R11: fffff520008b5f45 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffffff8d635000 R15: ffff88805901c790 FS: 0000555565fd8500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558a2f1a68 CR3: 0000000060dc3000 CR4: 00000000003506e0