comedi comedi0: c6xdigio: I/O port conflict (0x7,3) ------------[ cut here ]------------ Unexpected driver unregister! WARNING: CPU: 0 PID: 5839 at drivers/base/driver.c:273 driver_unregister+0x94/0xb0 drivers/base/driver.c:273 Modules linked in: CPU: 0 UID: 0 PID: 5839 Comm: syz-executor365 Not tainted 6.16.0-syzkaller-02094-g86aa72182095 #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: cd 61 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 b1 9b c4 fb eb 05 e8 aa 9b c4 fb 90 48 c7 c7 40 a6 09 8c e8 4d 88 88 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 c9 87 15 fb cc cc cc cc cc cc cc cc RSP: 0018:ffffc9000428fa38 EFLAGS: 00010246 RAX: 7baecfa3da016900 RBX: ffffffff8f3d88a0 RCX: ffff88807873bc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 0000000000000001 R08: ffffc9000428f767 R09: 1ffff92000851eec R10: dffffc0000000000 R11: fffff52000851eed R12: ffff88802f7cd000 R13: ffff88802f7cd120 R14: 0000000000000000 R15: dffffc0000000000 FS: 000055557c967380(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf9624d0d0 CR3: 00000000719d6000 CR4: 0000000000350ef0 Call Trace: 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+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: 0033:0x7fbf961d6b39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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:00007ffcdb8eb1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbf961d6b39 RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003 RBP: 00007fbf962495f0 R08: 0000000000000006 R09: 0000000000000006 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001