------------[ cut here ]------------
kernfs: can not remove 'bind', no directory
WARNING: fs/kernfs/dir.c:1707 at kernfs_remove_by_name_ns+0xd1/0x130 fs/kernfs/dir.c:1706, CPU#0: syz.4.1187/10171
Modules linked in:
CPU: 0 UID: 0 PID: 10171 Comm: syz.4.1187 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:kernfs_remove_by_name_ns+0xd1/0x130 fs/kernfs/dir.c:1706
Code: 4c 89 f7 e8 c1 f2 ff ff 4c 89 f7 e8 69 9b ff ff 31 ed eb 2b e8 c0 b0 5e ff 90 48 c7 c7 00 6f 7c 8b 4c 89 f6 e8 f0 c3 21 ff 90 <0f> 0b 90 90 bd fe ff ff ff eb 12 e8 9f b0 5e ff bd fe ff ff ff 48
RSP: 0018:ffffc9000e687a38 EFLAGS: 00010246
RAX: 999af3c6b6028800 RBX: ffffffff8f3bd180 RCX: ffff888024b6dac0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 1ffff11003dd0c56 R08: ffff8880b8624293 R09: 1ffff110170c4852
R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8be82940 R15: 0000000000000000
FS:  00007f563e82a6c0(0000) GS:ffff888125d1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f563e808f98 CR3: 000000007c200000 CR4: 00000000003526f0
DR0: 0000000000000008 DR1: 0000000000000002 DR2: 0000000000000081
DR3: ffffffffefffff14 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 remove_bind_files drivers/base/bus.c:605 [inline]
 bus_remove_driver+0x198/0x2f0 drivers/base/bus.c:743
 comedi_device_detach_locked+0x178/0x750 drivers/comedi/drivers.c:207
 do_devconfig_ioctl drivers/comedi/comedi_fops.c:848 [inline]
 comedi_unlocked_ioctl+0xcde/0x1020 drivers/comedi/comedi_fops.c:2178
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f563d98efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f563e82a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f563dbe5fa0 RCX: 00007f563d98efc9
RDX: 0000000000000000 RSI: 0000000040946400 RDI: 0000000000000008
RBP: 00007f563da11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f563dbe6038 R14: 00007f563dbe5fa0 R15: 00007fff5923b4e8
 </TASK>