comedi comedi3: c6xdigio: I/O port conflict (0x4f27,3)
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Unexpected driver unregister!
WARNING: CPU: 1 PID: 12371 at drivers/base/driver.c:273 driver_unregister+0x94/0xb0 drivers/base/driver.c:273
Modules linked in:
CPU: 1 UID: 0 PID: 12371 Comm: syz.0.1510 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:driver_unregister+0x94/0xb0 drivers/base/driver.c:273
Code: 6f d5 fc 48 89 df 5b 41 5e 41 5f e9 c6 54 ff ff e8 d1 b2 3f fc eb 05 e8 ca b2 3f fc 90 48 c7 c7 80 a6 79 8b e8 4d 85 04 fc 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 3e 56 7b 05 cc cc cc cc cc cc cc cc
RSP: 0018:ffffc90004257a40 EFLAGS: 00010246
RAX: fa4c84f056f8e000 RBX: ffffffff8eb8f4e0 RCX: 0000000000080000
RDX: ffffc9000f0cd000 RSI: 0000000000000a84 RDI: 0000000000000a85
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124863 R12: ffff88814cc38038
R13: ffffffff8eb8f430 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fadfa34d6c0(0000) GS:ffff8881269c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2ab47c CR3: 0000000055a6a000 CR4: 00000000003526f0
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+0x605/0x1020 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: 0033:0x7fadfc10ebe9
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:00007fadfa34d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fadfc336090 RCX: 00007fadfc10ebe9
RDX: 00002000000000c0 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007fadfc191e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadfc336128 R14: 00007fadfc336090 R15: 00007fff2c8e1ed8
 </TASK>