comedi comedi2: c6xdigio: I/O port conflict (0xb02f,3)
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kernfs: can not remove 'bind', no directory
WARNING: CPU: 0 PID: 24751 at fs/kernfs/dir.c:1707 kernfs_remove_by_name_ns+0xd1/0x130 fs/kernfs/dir.c:1706
Modules linked in:
CPU: 0 UID: 0 PID: 24751 Comm: syz.3.3835 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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 f0 61 ff 90 48 c7 c7 80 40 9c 8b 4c 89 f6 e8 30 8c 25 ff 90 <0f> 0b 90 90 bd fe ff ff ff eb 12 e8 9f f0 61 ff bd fe ff ff ff 48
RSP: 0018:ffffc90004aaf9f0 EFLAGS: 00010246
RAX: caf91ab31fb29200 RBX: ffffffff8f3f6c00 RCX: 0000000000080000
RDX: ffffc90018db6000 RSI: 00000000000090bf RDI: 00000000000090c0
RBP: 1ffff110285dbe56 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8c09e6c0 R15: 0000000000000000
FS:  00007f668282d6c0(0000) GS:ffff888125c15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c4188cf CR3: 000000004c6a3000 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: 0033:0x7f668198ebe9
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:00007f668282d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6681bc6090 RCX: 00007f668198ebe9
RDX: 0000200000000140 RSI: 0000000040946400 RDI: 0000000000000004
RBP: 00007f6681a11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6681bc6128 R14: 00007f6681bc6090 R15: 00007ffc349ff5a8
 </TASK>