./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3204913775
<...>
Warning: Permanently added '10.128.0.135' (ED25519) to the list of known hosts.
execve("./syz-executor3204913775", ["./syz-executor3204913775"], 0x7fff5b1d9650 /* 10 vars */) = 0
brk(NULL) = 0x55558d385000
brk(0x55558d385d00) = 0x55558d385d00
arch_prctl(ARCH_SET_FS, 0x55558d385380) = 0
set_tid_address(0x55558d385650) = 5854
set_robust_list(0x55558d385660, 24) = 0
rseq(0x55558d385ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3204913775", 4096) = 28
getrandom("\x0b\x0e\xa5\x0c\xa1\x7b\x7f\x29", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558d385d00
brk(0x55558d3a6d00) = 0x55558d3a6d00
brk(0x55558d3a7000) = 0x55558d3a7000
mprotect(0x7f9831e1d000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18executing program
) = 18
openat(AT_FDCWD, "/dev/comedi3", O_RDONLY|FASYNC) = 3
[ 87.361659][ T5854] comedi comedi3: c6xdigio: a I/O base address must be specified
[ 87.370559][ T5854] ------------[ cut here ]------------
[ 87.376126][ T5854] Unexpected driver unregister!
[ 87.381271][ T5854] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#1: syz-executor320/5854
[ 87.391906][ T5854] Modules linked in:
[ 87.395983][ T5854] CPU: 1 UID: 0 PID: 5854 Comm: syz-executor320 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full)
[ 87.408106][ T5854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 87.418215][ T5854] RIP: 0010:driver_unregister+0x94/0xb0
[ 87.423806][ T5854] 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
[ 87.443637][ T5854] RSP: 0018:ffffc90004007a38 EFLAGS: 00010246
[ 87.449785][ T5854] RAX: 1399930d6f30be00 RBX: ffffffff8f7f61c0 RCX: ffff88802b8e9e00
[ 87.457862][ T5854] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 87.465922][ T5854] RBP: 0000000000000001 R08: ffffc90004007767 R09: 1ffff92000800eec
[ 87.473921][ T5854] R10: dffffc0000000000 R11: fffff52000800eed R12: ffff88802f8c0800
[ 87.481980][ T5854] R13: ffff88802f8c0920 R14: 0000000000000000 R15: dffffc0000000000
[ 87.490007][ T5854] FS: 000055558d385380(0000) GS:ffff8881258af000(0000) knlGS:0000000000000000
[ 87.499063][ T5854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 87.505887][ T5854] CR2: 000055e2a9339000 CR3: 0000000075160000 CR4: 00000000003526f0
[ 87.513944][ T5854] Call Trace:
[ 87.517263][ T5854]
[ 87.520212][ T5854] comedi_device_detach+0x134/0x720
[ 87.525480][ T5854] ? comedi_request_region+0x11a/0x180
[ 87.530963][ T5854] comedi_device_attach+0x568/0x670
[ 87.536216][ T5854] comedi_unlocked_ioctl+0x686/0xf40
[ 87.541706][ T5854] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 87.547582][ T5854] ? _raw_spin_lock_irq+0xae/0xf0
[ 87.552836][ T5854] ? __pfx_ptrace_notify+0x10/0x10
[ 87.558011][ T5854] ? bpf_lsm_file_ioctl+0x9/0x20
[ 87.562977][ T5854] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 87.569028][ T5854] __se_sys_ioctl+0xf9/0x170
[ 87.573658][ T5854] do_syscall_64+0xfa/0x3b0
[ 87.578289][ T5854] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.583596][ T5854] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.589796][ T5854] ? clear_bhb_loop+0x60/0xb0
[ 87.594696][ T5854] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.600588][ T5854] RIP: 0033:0x7f9831daa3e9
[ 87.605034][ T5854] 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
[ 87.624715][ T5854] RSP: 002b:00007ffee0a00508 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 87.633160][ T5854] RAX: ffffffffffffffda RBX: 00007ffee0a006d8 RCX: 00007f9831daa3e9
[ 87.641228][ T5854] RDX: 0000200000000400 RSI: 0000000040946400 RDI: 0000000000000003
[ 87.649268][ T5854] RBP: 00007f9831e1d610 R08: 0000000000000000 R09: 00007ffee0a006d8
[ 87.657329][ T5854] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 87.665568][ T5854] R13: 00007ffee0a006c8 R14: 0000000000000001 R15: 0000000000000001
[ 87.673574][ T5854]
[ 87.676683][ T5854] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 87.683994][ T5854] CPU: 1 UID: 0 PID: 5854 Comm: syz-executor320 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full)
[ 87.695974][ T5854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 87.706136][ T5854] Call Trace:
[ 87.709431][ T5854]
[ 87.712436][ T5854] dump_stack_lvl+0x99/0x250
[ 87.717062][ T5854] ? __asan_memcpy+0x40/0x70
[ 87.721663][ T5854] ? __pfx_dump_stack_lvl+0x10/0x10
[ 87.726862][ T5854] ? __pfx__printk+0x10/0x10
[ 87.731479][ T5854] panic+0x2db/0x790
[ 87.735385][ T5854] ? __pfx_panic+0x10/0x10
[ 87.739811][ T5854] __warn+0x334/0x4c0
[ 87.743873][ T5854] ? driver_unregister+0x94/0xb0
[ 87.748806][ T5854] ? driver_unregister+0x94/0xb0
[ 87.753821][ T5854] report_bug+0x2be/0x4f0
[ 87.758239][ T5854] ? driver_unregister+0x94/0xb0
[ 87.763165][ T5854] ? driver_unregister+0x94/0xb0
[ 87.768094][ T5854] ? driver_unregister+0x96/0xb0
[ 87.773034][ T5854] handle_bug+0x84/0x160
[ 87.777274][ T5854] exc_invalid_op+0x1a/0x50
[ 87.781873][ T5854] asm_exc_invalid_op+0x1a/0x20
[ 87.786740][ T5854] RIP: 0010:driver_unregister+0x94/0xb0
[ 87.792566][ T5854] 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
[ 87.812479][ T5854] RSP: 0018:ffffc90004007a38 EFLAGS: 00010246
[ 87.818746][ T5854] RAX: 1399930d6f30be00 RBX: ffffffff8f7f61c0 RCX: ffff88802b8e9e00
[ 87.826725][ T5854] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 87.834700][ T5854] RBP: 0000000000000001 R08: ffffc90004007767 R09: 1ffff92000800eec
[ 87.842690][ T5854] R10: dffffc0000000000 R11: fffff52000800eed R12: ffff88802f8c0800
[ 87.850753][ T5854] R13: ffff88802f8c0920 R14: 0000000000000000 R15: dffffc0000000000
[ 87.858757][ T5854] ? driver_unregister+0x93/0xb0
[ 87.863718][ T5854] comedi_device_detach+0x134/0x720
[ 87.869051][ T5854] ? comedi_request_region+0x11a/0x180
[ 87.874716][ T5854] comedi_device_attach+0x568/0x670
[ 87.879934][ T5854] comedi_unlocked_ioctl+0x686/0xf40
[ 87.885243][ T5854] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 87.891076][ T5854] ? _raw_spin_lock_irq+0xae/0xf0
[ 87.896244][ T5854] ? __pfx_ptrace_notify+0x10/0x10
[ 87.901381][ T5854] ? bpf_lsm_file_ioctl+0x9/0x20
[ 87.906347][ T5854] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 87.912161][ T5854] __se_sys_ioctl+0xf9/0x170
[ 87.916765][ T5854] do_syscall_64+0xfa/0x3b0
[ 87.921283][ T5854] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.926500][ T5854] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.932594][ T5854] ? clear_bhb_loop+0x60/0xb0
[ 87.937377][ T5854] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.943293][ T5854] RIP: 0033:0x7f9831daa3e9
[ 87.947717][ T5854] 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
[ 87.967511][ T5854] RSP: 002b:00007ffee0a00508 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 87.975942][ T5854] RAX: ffffffffffffffda RBX: 00007ffee0a006d8 RCX: 00007f9831daa3e9
[ 87.983924][ T5854] RDX: 0000200000000400 RSI: 0000000040946400 RDI: 0000000000000003
[ 87.991901][ T5854] RBP: 00007f9831e1d610 R08: 0000000000000000 R09: 00007ffee0a006d8
[ 87.999883][ T5854] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 88.007856][ T5854] R13: 00007ffee0a006c8 R14: 0000000000000001 R15: 0000000000000001
[ 88.016108][ T5854]
[ 88.019507][ T5854] Kernel Offset: disabled
[ 88.023844][ T5854] Rebooting in 86400 seconds..