comedi comedi0: c6xdigio: I/O port conflict (0xa,3)
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Unexpected driver unregister!
WARNING: CPU: 0 PID: 6459 at drivers/base/driver.c:270 driver_unregister+0x8e/0xa0 drivers/base/driver.c:270
Modules linked in:
CPU: 0 PID: 6459 Comm: syz.0.421 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:driver_unregister+0x8e/0xa0 drivers/base/driver.c:270
Code: e8 77 ae 00 fd 48 89 df 5b 41 5e 41 5f e9 fa 5c ff ff e8 15 71 7c fc eb 05 e8 0e 71 7c fc 48 c7 c7 a0 c8 02 8b e8 e2 95 48 fc <0f> 0b 5b 41 5e 41 5f c3 00 00 cc cc 00 00 cc cc 00 00 41 57 41 56
RSP: 0018:ffffc9000d2bfa60 EFLAGS: 00010246
RAX: d42d8e8afff0a400 RBX: ffffffff8dc2b5e0 RCX: 0000000000080000
RDX: ffffc9000ea4a000 RSI: 000000000000c499 RDI: 000000000000c49a
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffff52001a57edd
R10: fffff52001a57edd R11: 1ffff92001a57edc R12: ffff88802dfe6038
R13: ffffffff8dc2b530 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f24a7a5a6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcde92c3f98 CR3: 0000000057ff8000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 comedi_device_detach_locked+0x16e/0x710 drivers/comedi/drivers.c:206
 comedi_device_detach drivers/comedi/drivers.c:214 [inline]
 comedi_device_attach+0x5c9/0x700 drivers/comedi/drivers.c:1010
 do_devconfig_ioctl drivers/comedi/comedi_fops.c:868 [inline]
 comedi_unlocked_ioctl+0x5a6/0x1050 drivers/comedi/comedi_fops.c:2173
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f24a6b8f749
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:00007f24a7a5a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f24a6de6090 RCX: 00007f24a6b8f749
RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000004
RBP: 00007f24a6c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f24a6de6128 R14: 00007f24a6de6090 R15: 00007ffd74794b68
 </TASK>