comedi comedi3: c6xdigio: I/O port conflict (0x7,3)
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Unexpected driver unregister!
WARNING: CPU: 1 PID: 13172 at drivers/base/driver.c:273 driver_unregister drivers/base/driver.c:273 [inline]
WARNING: CPU: 1 PID: 13172 at drivers/base/driver.c:273 driver_unregister+0x90/0xb0 drivers/base/driver.c:270
Modules linked in:
CPU: 1 UID: 0 PID: 13172 Comm: syz.4.1312 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:driver_unregister drivers/base/driver.c:273 [inline]
RIP: 0010:driver_unregister+0x90/0xb0 drivers/base/driver.c:270
Code: 48 89 ef e8 62 90 8a fc 48 89 df e8 3a 93 ff ff 5b 5d e9 e3 e1 e1 fb e8 de e1 e1 fb 90 48 c7 c7 20 90 1e 8c e8 81 15 a0 fb 90 <0f> 0b 90 90 5b 5d e9 c5 e1 e1 fb e8 e0 92 49 fc eb 94 e8 d9 92 49
RSP: 0018:ffffc900041bf9a0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff8ff149e0 RCX: ffffc9000d7ea000
RDX: 0000000000080000 RSI: ffffffff817b1ce5 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff8ff14920
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802f802800
FS:  00007fd9d0bf66c0(0000) GS:ffff888124b06000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b56ad20010 CR3: 0000000058008000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 comedi_device_detach_locked+0x12f/0xa50 drivers/comedi/drivers.c:207
 comedi_device_detach+0x67/0xb0 drivers/comedi/drivers.c:215
 comedi_device_attach+0x43d/0x900 drivers/comedi/drivers.c:1011
 do_devconfig_ioctl+0x1b1/0x710 drivers/comedi/comedi_fops.c:872
 comedi_unlocked_ioctl+0x165d/0x2f00 drivers/comedi/comedi_fops.c:2178
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd9d298f749
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:00007fd9d0bf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd9d2be6090 RCX: 00007fd9d298f749
RDX: 00002000000000c0 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007fd9d2a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd9d2be6128 R14: 00007fd9d2be6090 R15: 00007ffd3665b728
 </TASK>