tblock:ffffc90003219610: 8b6a5da0 ffffffff 00000300 00000000
tblock:ffffc90003219620: 03219620 ffffc900 03219620 ffffc900
tblock:ffffc90003219630: 5d862180 ffff8880 00001000 00000000
VFS: Busy inodes after unmount of loop5 (jfs)
------------[ cut here ]------------
kernel BUG at fs/super.c:653!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8033 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:generic_shutdown_super+0x2bc/0x2c0 fs/super.c:651
Code: 03 42 80 3c 28 00 74 08 4c 89 f7 e8 de 73 f2 ff 49 8b 16 48 81 c3 c8 07 00 00 48 c7 c7 40 fc 3c 8b 48 89 de e8 75 31 f2 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:ffffc90004c7fd00 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff888058e5e7c8 RCX: 80f4885cbc48e200
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1100b1cbd1a R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff5200098ff51 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8e034940 R15: ffff888058e5e8d0
FS:  0000555574632500(0000) GS:ffff8881265c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c35738b CR3: 000000001cf16000 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+0x437/0x4d0 fs/namespace.c:1318
 task_work_run+0x1d9/0x270 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:44 [inline]
 exit_to_user_mode_loop+0xed/0x480 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+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff40be0c117
Code: a2 c7 05 7c 94 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:00007ffe6d748938 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007ff40be0c117
RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007ffe6d749ae0
RBP: 00007ff40be7471f R08: 00000000000105a0 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000202 R12: 00007ffe6d749ae0
R13: 00007ff40be7471f R14: 00005555746324e8 R15: 00007ffe6d74abb0
 </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 de 73 f2 ff 49 8b 16 48 81 c3 c8 07 00 00 48 c7 c7 40 fc 3c 8b 48 89 de e8 75 31 f2 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:ffffc90004c7fd00 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff888058e5e7c8 RCX: 80f4885cbc48e200
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1100b1cbd1a R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff5200098ff51 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8e034940 R15: ffff888058e5e8d0
FS:  0000555574632500(0000) GS:ffff8881265c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c35738b CR3: 000000001cf16000 CR4: 00000000003526f0