tblock:ffffc900026d91e0: 9617fab8 ffffffff 00000000 00000000
tblock:ffffc900026d91f0: 8bf78be0 ffffffff 00000300 00000000
tblock:ffffc900026d9200: 026d9200 ffffc900 026d9200 ffffc900
tblock:ffffc900026d9210: 54281eb8 ffff8880 00000000 00000000
VFS: Busy inodes after unmount of loop2 (jfs)
------------[ cut here ]------------
kernel BUG at fs/super.c:654!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 5625 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:generic_shutdown_super.cold+0x59/0x62 fs/super.c:654
Code: 48 c1 ea 03 80 3c 02 00 74 08 48 89 ef e8 5a 38 50 01 48 8b 55 00 48 8d b3 58 06 00 00 48 c7 c7 a0 18 c5 8b e8 b3 52 fd ff 90 <0f> 0b e8 3b 38 50 01 eb bd e8 74 72 e3 00 48 8d bb 90 00 00 00 b8
RSP: 0018:ffffc90003147d58 EFLAGS: 00010286
RAX: 000000000000002d RBX: ffff88805b604000 RCX: 0000000000000000
RDX: 000000000000002d RSI: ffffffff81e711a9 RDI: fffff52000628f9c
RBP: ffffffff8ee34180 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff88805b6049c0
R13: ffff88805b604768 R14: 0000000000000000 R15: ffff88801eefb380
FS:  00005555576a4500(0000) GS:ffff88812447a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4601547e20 CR3: 000000005e27e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 kill_block_super+0x3b/0xa0 fs/super.c:1725
 deactivate_locked_super+0xc1/0x1b0 fs/super.c:476
 deactivate_super fs/super.c:509 [inline]
 deactivate_super+0xe7/0x110 fs/super.c:505
 cleanup_mnt+0x21f/0x450 fs/namespace.c:1312
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x100/0x4a0 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x706/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8263d9e017
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:00007ffe18da1c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f8263e32120 RCX: 00007f8263d9e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe18da1d10
RBP: 00007ffe18da1d10 R08: 00007ffe18da2d10 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe18da2da0
R13: 00007f8263e32120 R14: 0000000000045b56 R15: 00007ffe18da2de0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:generic_shutdown_super.cold+0x59/0x62 fs/super.c:654
Code: 48 c1 ea 03 80 3c 02 00 74 08 48 89 ef e8 5a 38 50 01 48 8b 55 00 48 8d b3 58 06 00 00 48 c7 c7 a0 18 c5 8b e8 b3 52 fd ff 90 <0f> 0b e8 3b 38 50 01 eb bd e8 74 72 e3 00 48 8d bb 90 00 00 00 b8
RSP: 0018:ffffc90003147d58 EFLAGS: 00010286
RAX: 000000000000002d RBX: ffff88805b604000 RCX: 0000000000000000
RDX: 000000000000002d RSI: ffffffff81e711a9 RDI: fffff52000628f9c
RBP: ffffffff8ee34180 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff88805b6049c0
R13: ffff88805b604768 R14: 0000000000000000 R15: ffff88801eefb380
FS:  00005555576a4500(0000) GS:ffff88812447a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000003f0000 CR3: 000000005e27e000 CR4: 0000000000350ef0