comedi comedi0: c6xdigio: I/O port conflict (0x4000109,3)
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Unexpected driver unregister!
WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0 drivers/base/driver.c:273, CPU#0: syz-executor371/5858
Modules linked in:
CPU: 0 UID: 0 PID: 5858 Comm: syz-executor371 Not tainted 6.16.0-rc6-next-20250718-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: 3c 58 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 81 8f b8 fb eb 05 e8 7a 8f b8 fb 90 48 c7 c7 00 9e 2b 8c e8 fd 16 7c fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 0018:ffffc900040d7a38 EFLAGS: 00010246
RAX: 952eba9edf917a00 RBX: ffffffff8f80c040 RCX: ffff888032150000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1c7a7f0 R12: ffff88802ee87000
R13: ffff88802ee87120 R14: 0000000000000000 R15: dffffc0000000000
FS:  00005555562cd380(0000) GS:ffff8881257ab000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005fdeb8 CR3: 0000000074b8e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 comedi_device_detach+0x137/0x720 drivers/comedi/drivers.c:207
 comedi_device_attach+0x568/0x670 drivers/comedi/drivers.c:1003
 do_devconfig_ioctl drivers/comedi/comedi_fops.c:855 [inline]
 comedi_unlocked_ioctl+0x686/0xfc0 drivers/comedi/comedi_fops.c:2156
 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: 0033:0x7f0b16e513e9
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:00007ffef502dbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffef502ddb8 RCX: 00007f0b16e513e9
RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007f0b16ec4610 R08: 0000000000000000 R09: 00007ffef502ddb8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffef502dda8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>