./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1981655632
<...>
Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts.
execve("./syz-executor1981655632", ["./syz-executor1981655632"], 0x7fff189b8300 /* 10 vars */) = 0
brk(NULL) = 0x555586810000
brk(0x555586810d00) = 0x555586810d00
arch_prctl(ARCH_SET_FS, 0x555586810380) = 0
set_tid_address(0x555586810650) = 5849
set_robust_list(0x555586810660, 24) = 0
rseq(0x555586810ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1981655632", 4096) = 28
getrandom("\xbb\x6c\x87\x2e\x09\x5b\x73\x27", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555586810d00
brk(0x555586831d00) = 0x555586831d00
brk(0x555586832000) = 0x555586832000
mprotect(0x7f320a2a4000, 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, 0executing program
) = 0x200001000000
write(1, "executing program\n", 18) = 18
openat(AT_FDCWD, "/dev/comedi3", O_RDONLY|FASYNC) = 3
[ 88.042185][ T5849] comedi comedi3: c6xdigio: a I/O base address must be specified
[ 88.050788][ T5849] ------------[ cut here ]------------
[ 88.056981][ T5849] Unexpected driver unregister!
[ 88.062772][ T5849] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#0: syz-executor198/5849
[ 88.073642][ T5849] Modules linked in:
[ 88.077743][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor198 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full)
[ 88.089730][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 88.099907][ T5849] RIP: 0010:driver_unregister+0x94/0xb0
[ 88.105532][ T5849] 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
[ 88.125298][ T5849] RSP: 0018:ffffc90003fc7a38 EFLAGS: 00010246
[ 88.131411][ T5849] RAX: 236b97ec9a6f8900 RBX: ffffffff8f7f61c0 RCX: ffff8880326d8000
[ 88.139507][ T5849] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 88.147560][ T5849] RBP: 0000000000000001 R08: ffff8880b8624293 R09: 1ffff110170c4852
[ 88.155674][ T5849] R10: dffffc0000000000 R11: ffffed10170c4853 R12: ffff88814c932000
[ 88.163682][ T5849] R13: ffff88814c932120 R14: 0000000000000000 R15: dffffc0000000000
[ 88.171747][ T5849] FS: 0000555586810380(0000) GS:ffff8881257af000(0000) knlGS:0000000000000000
[ 88.180792][ T5849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.187538][ T5849] CR2: 0000555a645ffbf8 CR3: 000000007260e000 CR4: 00000000003526f0
[ 88.195739][ T5849] Call Trace:
[ 88.199047][ T5849]
[ 88.202008][ T5849] comedi_device_detach+0x134/0x720
[ 88.208180][ T5849] ? comedi_request_region+0x11a/0x180
[ 88.213674][ T5849] comedi_device_attach+0x568/0x670
[ 88.218964][ T5849] comedi_unlocked_ioctl+0x686/0xf40
[ 88.224358][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 88.230203][ T5849] ? _raw_spin_lock_irq+0xae/0xf0
[ 88.235339][ T5849] ? __pfx_ptrace_notify+0x10/0x10
[ 88.240503][ T5849] ? bpf_lsm_file_ioctl+0x9/0x20
[ 88.245530][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 88.251406][ T5849] __se_sys_ioctl+0xf9/0x170
[ 88.256106][ T5849] do_syscall_64+0xfa/0x3b0
[ 88.260645][ T5849] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.265944][ T5849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.272035][ T5849] ? clear_bhb_loop+0x60/0xb0
[ 88.276809][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.282731][ T5849] RIP: 0033:0x7f320a2313e9
[ 88.287246][ T5849] 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
[ 88.306993][ T5849] RSP: 002b:00007ffd7661cb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 88.315482][ T5849] RAX: ffffffffffffffda RBX: 00007ffd7661cd38 RCX: 00007f320a2313e9
[ 88.323481][ T5849] RDX: 0000200000000400 RSI: 0000000040946400 RDI: 0000000000000003
[ 88.331536][ T5849] RBP: 00007f320a2a4610 R08: 0000000000000000 R09: 00007ffd7661cd38
[ 88.339593][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 88.347673][ T5849] R13: 00007ffd7661cd28 R14: 0000000000000001 R15: 0000000000000001
[ 88.355739][ T5849]
[ 88.358773][ T5849] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 88.366055][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor198 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full)
[ 88.377944][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 88.387995][ T5849] Call Trace:
[ 88.391303][ T5849]
[ 88.394238][ T5849] dump_stack_lvl+0x99/0x250
[ 88.398857][ T5849] ? __asan_memcpy+0x40/0x70
[ 88.403447][ T5849] ? __pfx_dump_stack_lvl+0x10/0x10
[ 88.408673][ T5849] ? __pfx__printk+0x10/0x10
[ 88.413281][ T5849] panic+0x2db/0x790
[ 88.417195][ T5849] ? __pfx_panic+0x10/0x10
[ 88.421648][ T5849] __warn+0x334/0x4c0
[ 88.425645][ T5849] ? driver_unregister+0x94/0xb0
[ 88.430617][ T5849] ? driver_unregister+0x94/0xb0
[ 88.435567][ T5849] report_bug+0x2be/0x4f0
[ 88.439904][ T5849] ? driver_unregister+0x94/0xb0
[ 88.444856][ T5849] ? driver_unregister+0x94/0xb0
[ 88.449808][ T5849] ? driver_unregister+0x96/0xb0
[ 88.454755][ T5849] handle_bug+0x84/0x160
[ 88.459009][ T5849] exc_invalid_op+0x1a/0x50
[ 88.463524][ T5849] asm_exc_invalid_op+0x1a/0x20
[ 88.468383][ T5849] RIP: 0010:driver_unregister+0x94/0xb0
[ 88.473944][ T5849] 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
[ 88.493556][ T5849] RSP: 0018:ffffc90003fc7a38 EFLAGS: 00010246
[ 88.499638][ T5849] RAX: 236b97ec9a6f8900 RBX: ffffffff8f7f61c0 RCX: ffff8880326d8000
[ 88.507617][ T5849] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 88.515592][ T5849] RBP: 0000000000000001 R08: ffff8880b8624293 R09: 1ffff110170c4852
[ 88.523571][ T5849] R10: dffffc0000000000 R11: ffffed10170c4853 R12: ffff88814c932000
[ 88.531580][ T5849] R13: ffff88814c932120 R14: 0000000000000000 R15: dffffc0000000000
[ 88.539576][ T5849] ? driver_unregister+0x93/0xb0
[ 88.544556][ T5849] comedi_device_detach+0x134/0x720
[ 88.549773][ T5849] ? comedi_request_region+0x11a/0x180
[ 88.555248][ T5849] comedi_device_attach+0x568/0x670
[ 88.560459][ T5849] comedi_unlocked_ioctl+0x686/0xf40
[ 88.565770][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 88.571609][ T5849] ? _raw_spin_lock_irq+0xae/0xf0
[ 88.576855][ T5849] ? __pfx_ptrace_notify+0x10/0x10
[ 88.581985][ T5849] ? bpf_lsm_file_ioctl+0x9/0x20
[ 88.586935][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 88.592760][ T5849] __se_sys_ioctl+0xf9/0x170
[ 88.597384][ T5849] do_syscall_64+0xfa/0x3b0
[ 88.601901][ T5849] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.607113][ T5849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.613537][ T5849] ? clear_bhb_loop+0x60/0xb0
[ 88.618226][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.624140][ T5849] RIP: 0033:0x7f320a2313e9
[ 88.628650][ T5849] 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
[ 88.648260][ T5849] RSP: 002b:00007ffd7661cb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 88.656688][ T5849] RAX: ffffffffffffffda RBX: 00007ffd7661cd38 RCX: 00007f320a2313e9
[ 88.664669][ T5849] RDX: 0000200000000400 RSI: 0000000040946400 RDI: 0000000000000003
[ 88.672666][ T5849] RBP: 00007f320a2a4610 R08: 0000000000000000 R09: 00007ffd7661cd38
[ 88.680728][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 88.688707][ T5849] R13: 00007ffd7661cd28 R14: 0000000000000001 R15: 0000000000000001
[ 88.696700][ T5849]
[ 88.699988][ T5849] Kernel Offset: disabled
[ 88.704322][ T5849] Rebooting in 86400 seconds..