comedi comedi3: c6xdigio: I/O port conflict (0x9,3)
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Unexpected driver unregister!
WARNING: CPU: 0 PID: 5358 at drivers/base/driver.c:273 driver_unregister+0x94/0xb0 drivers/base/driver.c:273
Modules linked in:
CPU: 0 UID: 0 PID: 5358 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:driver_unregister+0x94/0xb0 drivers/base/driver.c:273
Code: 8b 5d fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 f1 20 bd fb eb 05 e8 ea 20 bd fb 90 48 c7 c7 00 0e 0a 8c e8 4d ad 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 be 0e 7c 05 cc cc cc cc cc cc cc cc
RSP: 0018:ffffc9000e40fa40 EFLAGS: 00010246
RAX: bd68114328704200 RBX: ffffffff8f3f8400 RCX: 0000000000100000
RDX: ffffc9000dbb2000 RSI: 0000000000000f04 RDI: 0000000000000f05
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffff88803e9ed838
R13: ffffffff8f3f8350 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fe187d396c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002c40 CR3: 0000000041e8e000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 comedi_device_detach_locked+0x175/0x750 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+0xf9/0x170 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: 0033:0x7fe186f8ebe9
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:00007fe187d39038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe1871c5fa0 RCX: 00007fe186f8ebe9
RDX: 0000200000000200 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007fe187011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe1871c6038 R14: 00007fe1871c5fa0 R15: 00007fffbe253268
 </TASK>