comedi comedi0: c6xdigio: a I/O base address must be specified
------------[ cut here ]------------
Unexpected driver unregister!
WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0 drivers/base/driver.c:273, CPU#0: syz-executor147/5869
Modules linked in:
CPU: 0 UID: 0 PID: 5869 Comm: syz-executor147 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(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: 1e 56 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 81 49 b6 fb eb 05 e8 7a 49 b6 fb 90 48 c7 c7 20 98 2b 8c e8 dd df 79 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 7e 7e 7b 05 cc cc cc cc cc cc cc cc
RSP: 0018:ffffc90004037a40 EFLAGS: 00010246
RAX: afb16c5807875200 RBX: ffffffff8f809b80 RCX: ffff88807ad25a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000001 R08: ffff8880b8624253 R09: 1ffff110170c484a
R10: dffffc0000000000 R11: ffffed10170c484b R12: ffff88802eb36038
R13: ffffffff8f809ad0 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000555575ac8380(0000) GS:ffff8881257db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005fdeb8 CR3: 0000000074a88000 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:1010
 do_devconfig_ioctl drivers/comedi/comedi_fops.c:872 [inline]
 comedi_unlocked_ioctl+0x5ff/0x1020 drivers/comedi/comedi_fops.c:2173
 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: 0033:0x7ff906ec73e9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc7d55e4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc7d55e6c8 RCX: 00007ff906ec73e9
RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007ff906f3a610 R08: 0000000000000000 R09: 00007ffc7d55e6c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc7d55e6b8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>