tblock:ffffc90002a79300: 8c0b6660 ffffffff 00000300 00000000
tblock:ffffc90002a79310: 02a79310 ffffc900 02a79310 ffffc900
tblock:ffffc90002a79320: a802c448 ffff8881 00000000 00000000
VFS: Busy inodes after unmount of loop3 (jfs)
------------[ cut here ]------------
kernel BUG at fs/super.c:656!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6097 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:generic_shutdown_super+0x2c4/0x2d0
Code: 03 42 80 3c 28 00 74 08 4c 89 f7 e8 16 27 ed ff 49 8b 16 48 81 c3 68 06 00 00 48 c7 c7 40 cf dd 8b 48 89 de e8 7d e6 e4 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000708fd00 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff888115d4c668 RCX: 7679eeff1b9dfc00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff11022ba98f0 R08: ffffc9000708fa87 R09: 1ffff92000e11f50
R10: dffffc0000000000 R11: fffff52000e11f51 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8ebe35c0 R15: ffff888115d4c780
FS:  000055556183b500(0000) GS:ffff8882a9457000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcdfac2c000 CR3: 000000010b850000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6e50f9e017
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:00007ffc8828b088 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007f6e50f9e017
RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007ffc8828c230
RBP: 00007f6e51032120 R08: 00000000000105a0 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000202 R12: 00007ffc8828c230
R13: 00007f6e51032120 R14: 000055556183b4e8 R15: 00007ffc8828d300
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:generic_shutdown_super+0x2c4/0x2d0
Code: 03 42 80 3c 28 00 74 08 4c 89 f7 e8 16 27 ed ff 49 8b 16 48 81 c3 68 06 00 00 48 c7 c7 40 cf dd 8b 48 89 de e8 7d e6 e4 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000708fd00 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff888115d4c668 RCX: 7679eeff1b9dfc00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff11022ba98f0 R08: ffffc9000708fa87 R09: 1ffff92000e11f50
R10: dffffc0000000000 R11: fffff52000e11f51 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8ebe35c0 R15: ffff888115d4c780
FS:  000055556183b500(0000) GS:ffff88818de57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7d3d417dac CR3: 000000010b850000 CR4: 00000000000006f0
