comedi comedi1: c6xdigio: I/O port conflict (0x401,3)
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kernfs: can not remove 'bind', no directory
WARNING: CPU: 1 PID: 22726 at fs/kernfs/dir.c:1707 kernfs_remove_by_name_ns+0xd1/0x130 fs/kernfs/dir.c:1706
Modules linked in:
CPU: 1 UID: 0 PID: 22726 Comm: syz.1.4291 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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 00 f0 61 ff 90 48 c7 c7 80 40 9c 8b 4c 89 f6 e8 70 8b 25 ff 90 <0f> 0b 90 90 bd fe ff ff ff eb 12 e8 df ef 61 ff bd fe ff ff ff 48
RSP: 0018:ffffc90003d3f9f0 EFLAGS: 00010246
RAX: 576ca9e311cd9400 RBX: ffffffff8f3f6c40 RCX: ffff888052fcbc00
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff11028853256 R08: 0000000000006f9b R09: 0000000000400000
R10: 00000000000df368 R11: fffffbfff1bfa1f4 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8c09e6c0 R15: 0000000000000000
FS:  00007f91604916c0(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3c930ccc0a CR3: 0000000042ed5000 CR4: 0000000000350ef0
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
 comedi_device_detach drivers/comedi/drivers.c:215 [inline]
 comedi_device_attach+0x5d4/0x720 drivers/comedi/drivers.c:1011
 do_devconfig_ioctl drivers/comedi/comedi_fops.c:872 [inline]
 comedi_unlocked_ioctl+0x5ff/0x1020 drivers/comedi/comedi_fops.c:2178
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f915f58eba9
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:00007f9160491038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f915f7d5fa0 RCX: 00007f915f58eba9
RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000007
RBP: 00007f915f611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f915f7d6038 R14: 00007f915f7d5fa0 R15: 00007ffdf0d803a8
 </TASK>