tblock:ffffc900026794e0: 76114d00 ffff8880 00000003 000008bc
tblock:ffffc900026794f0: 00000000 dead4ead ffffffff 00000000
tblock:ffffc90002679500: ffffffff ffffffff 97411460 ffffffff
tblock:ffffc90002679510: 00000000 00000000 00000000 00000000
tblock:ffffc90002679520: 8b041dc0 ffffffff 00000200 00000000
tblock:ffffc90002679530: 02679530 ffffc900 02679530 ffffc900
tblock:ffffc90002679540: 5e1f2930 ffff8880 00000000 00000000
VFS: Busy inodes after unmount of loop2 (jfs)
------------[ cut here ]------------
kernel BUG at fs/super.c:697!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5770 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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 a3 bc 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:ffffc9000450fd20 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff888077e78660 RCX: e3c35312243a6700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100efcf0f2 R08: ffffc9000450fa27 R09: 1ffff920008a1f44
R10: dffffc0000000000 R11: fffff520008a1f45 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8d53f7e0 R15: ffff888077e78790
FS:  0000555591814500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f825c1e9000 CR3: 00000000619a3000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 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: 0033:0x7f2ddc19e017
Code: a2 c7 05 dc 06 25 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:00007ffe16a91338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f2ddc232120 RCX: 00007f2ddc19e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe16a913f0
RBP: 00007ffe16a913f0 R08: 00007ffe16a923f0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe16a92480
R13: 00007f2ddc232120 R14: 000000000001ccdf R15: 00007ffe16a924c0
 </TASK>
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 a3 bc 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:ffffc9000450fd20 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff888077e78660 RCX: e3c35312243a6700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100efcf0f2 R08: ffffc9000450fa27 R09: 1ffff920008a1f44
R10: dffffc0000000000 R11: fffff520008a1f45 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8d53f7e0 R15: ffff888077e78790
FS:  0000555591814500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3d1f22 CR3: 00000000619a3000 CR4: 00000000003506f0