BUG at fs/jfs/jfs_logmgr.c:1585 assert(list_empty(&log->cqueue))
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_logmgr.c:1585!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5599 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:jfs_flush_journal+0xf31/0xf50 fs/jfs/jfs_logmgr.c:1585
Code: e9 98 f5 ff ff e8 af 84 6c fe 48 c7 c7 00 64 8b 8b 48 c7 c6 00 5f 8b 8b ba 31 06 00 00 48 c7 c1 40 64 8b 8b e8 80 67 cf fd 90 <0f> 0b e8 88 84 6c fe bf 02 00 00 00 e8 ee 98 3b fe e9 ab f7 ff ff
RSP: 0018:ffffc90004827b00 EFLAGS: 00010246
RAX: 0000000000000040 RBX: dffffc0000000000 RCX: 67f305e03d844200
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004827c38 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000904f11 R12: 00000000000000c7
R13: ffff8880653eaa18 R14: ffff8880653ea800 R15: ffff8880653eaad8
FS:  00005555671c7500(0000) GS:ffff88812617a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f013fef0000 CR3: 0000000058130000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jfs_umount+0x171/0x3d0 fs/jfs/jfs_umount.c:59
 jfs_put_super+0x8c/0x190 fs/jfs/super.c:194
 generic_shutdown_super+0x13d/0x2d0 fs/super.c:646
 kill_block_super+0x44/0x90 fs/super.c:1725
 deactivate_locked_super+0xbc/0x130 fs/super.c:476
 cleanup_mnt+0x437/0x4d0 fs/namespace.c:1312
 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:67 [inline]
 exit_to_user_mode_loop+0xed/0x480 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+0x33e/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8442f6e017
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:00007ffe57292f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f8443002120 RCX: 00007f8442f6e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe57292ff0
RBP: 00007ffe57292ff0 R08: 00007ffe57293ff0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe57294080
R13: 00007f8443002120 R14: 000000000004193e R15: 00007ffe572940c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_flush_journal+0xf31/0xf50 fs/jfs/jfs_logmgr.c:1585
Code: e9 98 f5 ff ff e8 af 84 6c fe 48 c7 c7 00 64 8b 8b 48 c7 c6 00 5f 8b 8b ba 31 06 00 00 48 c7 c1 40 64 8b 8b e8 80 67 cf fd 90 <0f> 0b e8 88 84 6c fe bf 02 00 00 00 e8 ee 98 3b fe e9 ab f7 ff ff
RSP: 0018:ffffc90004827b00 EFLAGS: 00010246
RAX: 0000000000000040 RBX: dffffc0000000000 RCX: 67f305e03d844200
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004827c38 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000904f11 R12: 00000000000000c7
R13: ffff8880653eaa18 R14: ffff8880653ea800 R15: ffff8880653eaad8
FS:  00005555671c7500(0000) GS:ffff88812617a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f013fef0000 CR3: 0000000058130000 CR4: 00000000003526f0