comedi comedi0: c6xdigio: I/O port conflict (0x5,3) ------------[ cut here ]------------ Unexpected driver unregister! WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0 drivers/base/driver.c:273, CPU#0: syz-executor356/5864 Modules linked in: CPU: 0 UID: 0 PID: 5864 Comm: syz-executor356 Not tainted 6.17.0-rc1-next-20250814-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: 97 55 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 31 a3 b5 fb eb 05 e8 2a a3 b5 fb 90 48 c7 c7 80 a4 2b 8c e8 4d 47 79 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:ffffc90003f87a40 EFLAGS: 00010246 RAX: 7d7c91d7bee53900 RBX: ffffffff8f80b300 RCX: ffff8880611b5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1c7a1ec R12: ffff88814c877838 R13: ffffffff8f80b250 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555586895380(0000) GS:ffff8881257d6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005fdeb8 CR3: 000000007f33a000 CR4: 00000000003526f0 Call Trace: comedi_device_detach_locked+0x178/0x750 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: 0033:0x7fd2282cd3e9 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:00007ffc73151ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffc73151d78 RCX: 00007fd2282cd3e9 RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003 RBP: 00007fd228340610 R08: 0000000000000000 R09: 00007ffc73151d78 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc73151d68 R14: 0000000000000001 R15: 0000000000000001