tblock:ffffc900027091e0: 00000000 00000000 00000000 00000000
tblock:ffffc900027091f0: 8bc5aa20 ffffffff 00000300 00000000
tblock:ffffc90002709200: 02709200 ffffc900 02709200 ffffc900
tblock:ffffc90002709210: 76a50d58 ffff8880 00000000 00000000
VFS: Busy inodes after unmount of loop3 (jfs)
------------[ cut here ]------------
kernel BUG at fs/super.c:653!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 7125 Comm: syz.3.253 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:generic_shutdown_super+0x2bc/0x2c0 fs/super.c:651
Code: 03 42 80 3c 28 00 74 08 4c 89 f7 e8 8e c1 ed ff 49 8b 16 48 81 c3 68 06 00 00 48 c7 c7 e0 c9 99 8b 48 89 de e8 05 7c ed fe 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f
RSP: 0018:ffffc9000e0af960 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff888075d4e668 RCX: 94c8f87c08f69200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100eba9cf0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfb53c R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8e590180 R15: ffff888075d4e780
FS:  0000000000000000(0000) GS:ffff888125cf9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3a83b5 CR3: 000000000df3e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kill_block_super+0x44/0x90 fs/super.c:1722
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1323
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x694/0x22f0 kernel/exit.c:971
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1112
 get_signal+0x1285/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x87/0x4e0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2c1/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0a7b9c2005
Code: Unable to access opcode bytes at 0x7f0a7b9c1fdb.
RSP: 002b:00007f0a7c7b0f80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f0a7bbe6180 RCX: 00007f0a7b9c2005
RDX: 00007f0a7c7b0fc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f0a7ba13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f0a7bbe6218 R14: 00007f0a7bbe6180 R15: 00007ffc1e840478
 </TASK>
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 8e c1 ed ff 49 8b 16 48 81 c3 68 06 00 00 48 c7 c7 e0 c9 99 8b 48 89 de e8 05 7c ed fe 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f
RSP: 0018:ffffc9000e0af960 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff888075d4e668 RCX: 94c8f87c08f69200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100eba9cf0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfb53c R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8e590180 R15: ffff888075d4e780
FS:  0000000000000000(0000) GS:ffff888125cf9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3a83b5 CR3: 000000007ae4e000 CR4: 00000000003526f0