comedi comedi3: c6xdigio: a I/O base address must be specified ------------[ cut here ]------------ Unexpected driver unregister! WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0 drivers/base/driver.c:273, CPU#0: syz-executor325/5849 Modules linked in: CPU: 0 UID: 0 PID: 5849 Comm: syz-executor325 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:driver_unregister+0x94/0xb0 drivers/base/driver.c:273 Code: 9a 5a fc 48 89 df 5b 41 5e 41 5f e9 d6 55 ff ff e8 61 08 ba fb eb 05 e8 5a 08 ba fb 90 48 c7 c7 20 73 2b 8c e8 fd d6 7d 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:ffffc90003fa7a38 EFLAGS: 00010246 RAX: eb98fe56074ec300 RBX: ffffffff8f7f61c0 RCX: ffff888032b69e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000001 R08: ffffc90003fa7767 R09: 1ffff920007f4eec R10: dffffc0000000000 R11: fffff520007f4eed R12: ffff88814cf7b000 R13: ffff88814cf7b120 R14: 0000000000000000 R15: dffffc0000000000 FS: 000055558ee50380(0000) GS:ffff8881257af000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005fdeb8 CR3: 0000000071c9e000 CR4: 00000000003526f0 Call Trace: comedi_device_detach+0x134/0x720 drivers/comedi/drivers.c:207 comedi_device_attach+0x568/0x670 drivers/comedi/drivers.c:1000 do_devconfig_ioctl drivers/comedi/comedi_fops.c:855 [inline] comedi_unlocked_ioctl+0x686/0xf40 drivers/comedi/comedi_fops.c:2136 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: 0033:0x7f9cd43a23e9 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:00007fff2260b9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fff2260bb78 RCX: 00007f9cd43a23e9 RDX: 0000200000000400 RSI: 0000000040946400 RDI: 0000000000000003 RBP: 00007f9cd4415610 R08: 0000000000000000 R09: 00007fff2260bb78 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff2260bb68 R14: 0000000000000001 R15: 0000000000000001