./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3371400143
<...>
Warning: Permanently added '10.128.0.230' (ED25519) to the list of known hosts.
execve("./syz-executor3371400143", ["./syz-executor3371400143"], 0x7ffcd1d2d5d0 /* 10 vars */) = 0
brk(NULL) = 0x55556de52000
brk(0x55556de52d00) = 0x55556de52d00
arch_prctl(ARCH_SET_FS, 0x55556de52380) = 0
set_tid_address(0x55556de52650) = 5859
set_robust_list(0x55556de52660, 24) = 0
rseq(0x55556de52ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3371400143", 4096) = 28
getrandom("\x80\x47\x71\xe2\xf6\x66\xa5\xdf", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556de52d00
brk(0x55556de73d00) = 0x55556de73d00
brk(0x55556de74000) = 0x55556de74000
mprotect(0x7f5d49e18000, 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
executing program
write(1, "executing program\n", 18) = 18
openat(AT_FDCWD, "/dev/comedi3", O_RDONLY|FASYNC) = 3
[ 89.171181][ T5859] comedi comedi3: c6xdigio: I/O port conflict (0xffffffffffffffff,3)
[ 89.179485][ T5859] ------------[ cut here ]------------
[ 89.185240][ T5859] Unexpected driver unregister!
[ 89.190617][ T5859] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#1: syz-executor337/5859
[ 89.201291][ T5859] Modules linked in:
[ 89.205357][ T5859] CPU: 1 UID: 0 PID: 5859 Comm: syz-executor337 Not tainted 6.16.0-rc5-next-20250708-syzkaller #0 PREEMPT(full)
[ 89.217352][ T5859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 89.227659][ T5859] RIP: 0010:driver_unregister+0x94/0xb0
[ 89.233248][ T5859] Code: 76 5a fc 48 89 df 5b 41 5e 41 5f e9 d6 55 ff ff e8 c1 fb b9 fb eb 05 e8 ba fb b9 fb 90 48 c7 c7 e0 7f 2b 8c e8 0d cd 7d fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 8e 4e 7c 05 cc cc cc cc cc cc cc cc
[ 89.252935][ T5859] RSP: 0018:ffffc90003f57a38 EFLAGS: 00010246
[ 89.259156][ T5859] RAX: 90ad3ab7e71c5c00 RBX: ffffffff8f805640 RCX: ffff888032b7da00
[ 89.267265][ T5859] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 89.275390][ T5859] RBP: 0000000000000001 R08: ffffc90003f57767 R09: 1ffff920007eaeec
[ 89.283389][ T5859] R10: dffffc0000000000 R11: fffff520007eaeed R12: ffff88814cc70000
[ 89.291455][ T5859] R13: ffff88814cc70120 R14: 0000000000000000 R15: dffffc0000000000
[ 89.299586][ T5859] FS: 000055556de52380(0000) GS:ffff88812589f000(0000) knlGS:0000000000000000
[ 89.308766][ T5859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 89.315455][ T5859] CR2: 00000000005fdeb8 CR3: 00000000737e6000 CR4: 00000000003526f0
[ 89.323439][ T5859] Call Trace:
[ 89.326779][ T5859]
[ 89.329727][ T5859] comedi_device_detach+0x137/0x720
[ 89.334967][ T5859] ? comedi_request_region+0x16c/0x180
[ 89.340451][ T5859] comedi_device_attach+0x568/0x670
[ 89.345745][ T5859] comedi_unlocked_ioctl+0x686/0xf40
[ 89.351061][ T5859] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 89.356932][ T5859] ? _raw_spin_lock_irq+0xae/0xf0
[ 89.362011][ T5859] ? __pfx_ptrace_notify+0x10/0x10
[ 89.367202][ T5859] ? bpf_lsm_file_ioctl+0x9/0x20
[ 89.372165][ T5859] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 89.378033][ T5859] __se_sys_ioctl+0xf9/0x170
[ 89.382651][ T5859] do_syscall_64+0xfa/0x3b0
[ 89.387209][ T5859] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.392426][ T5859] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.398559][ T5859] ? clear_bhb_loop+0x60/0xb0
[ 89.403267][ T5859] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.409237][ T5859] RIP: 0033:0x7f5d49da53e9
[ 89.413678][ T5859] 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
[ 89.433393][ T5859] RSP: 002b:00007ffef9fac228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 89.441882][ T5859] RAX: ffffffffffffffda RBX: 00007ffef9fac3f8 RCX: 00007f5d49da53e9
[ 89.450024][ T5859] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
[ 89.458068][ T5859] RBP: 00007f5d49e18610 R08: 0000000000000000 R09: 00007ffef9fac3f8
[ 89.466201][ T5859] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 89.474209][ T5859] R13: 00007ffef9fac3e8 R14: 0000000000000001 R15: 0000000000000001
[ 89.482326][ T5859]
[ 89.485417][ T5859] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 89.492702][ T5859] CPU: 1 UID: 0 PID: 5859 Comm: syz-executor337 Not tainted 6.16.0-rc5-next-20250708-syzkaller #0 PREEMPT(full)
[ 89.504852][ T5859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 89.514912][ T5859] Call Trace:
[ 89.518203][ T5859]
[ 89.521147][ T5859] dump_stack_lvl+0x99/0x250
[ 89.525828][ T5859] ? __asan_memcpy+0x40/0x70
[ 89.530413][ T5859] ? __pfx_dump_stack_lvl+0x10/0x10
[ 89.535790][ T5859] ? __pfx__printk+0x10/0x10
[ 89.540384][ T5859] panic+0x2e2/0x7b0
[ 89.544272][ T5859] ? __pfx_panic+0x10/0x10
[ 89.548692][ T5859] __warn+0x334/0x4c0
[ 89.552677][ T5859] ? driver_unregister+0x94/0xb0
[ 89.557606][ T5859] ? driver_unregister+0x94/0xb0
[ 89.562534][ T5859] report_bug+0x2be/0x4f0
[ 89.566853][ T5859] ? driver_unregister+0x94/0xb0
[ 89.571778][ T5859] ? driver_unregister+0x94/0xb0
[ 89.576703][ T5859] ? driver_unregister+0x96/0xb0
[ 89.581646][ T5859] handle_bug+0x84/0x160
[ 89.585971][ T5859] exc_invalid_op+0x1a/0x50
[ 89.590462][ T5859] asm_exc_invalid_op+0x1a/0x20
[ 89.595301][ T5859] RIP: 0010:driver_unregister+0x94/0xb0
[ 89.600837][ T5859] Code: 76 5a fc 48 89 df 5b 41 5e 41 5f e9 d6 55 ff ff e8 c1 fb b9 fb eb 05 e8 ba fb b9 fb 90 48 c7 c7 e0 7f 2b 8c e8 0d cd 7d fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 8e 4e 7c 05 cc cc cc cc cc cc cc cc
[ 89.620442][ T5859] RSP: 0018:ffffc90003f57a38 EFLAGS: 00010246
[ 89.626682][ T5859] RAX: 90ad3ab7e71c5c00 RBX: ffffffff8f805640 RCX: ffff888032b7da00
[ 89.634671][ T5859] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 89.642632][ T5859] RBP: 0000000000000001 R08: ffffc90003f57767 R09: 1ffff920007eaeec
[ 89.650697][ T5859] R10: dffffc0000000000 R11: fffff520007eaeed R12: ffff88814cc70000
[ 89.658847][ T5859] R13: ffff88814cc70120 R14: 0000000000000000 R15: dffffc0000000000
[ 89.666818][ T5859] ? driver_unregister+0x93/0xb0
[ 89.671747][ T5859] comedi_device_detach+0x137/0x720
[ 89.676937][ T5859] ? comedi_request_region+0x16c/0x180
[ 89.682409][ T5859] comedi_device_attach+0x568/0x670
[ 89.687598][ T5859] comedi_unlocked_ioctl+0x686/0xf40
[ 89.692898][ T5859] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 89.698723][ T5859] ? _raw_spin_lock_irq+0xae/0xf0
[ 89.703756][ T5859] ? __pfx_ptrace_notify+0x10/0x10
[ 89.708867][ T5859] ? bpf_lsm_file_ioctl+0x9/0x20
[ 89.713801][ T5859] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 89.719599][ T5859] __se_sys_ioctl+0xf9/0x170
[ 89.724198][ T5859] do_syscall_64+0xfa/0x3b0
[ 89.728690][ T5859] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.733887][ T5859] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.739969][ T5859] ? clear_bhb_loop+0x60/0xb0
[ 89.744673][ T5859] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.750588][ T5859] RIP: 0033:0x7f5d49da53e9
[ 89.755020][ T5859] 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
[ 89.774812][ T5859] RSP: 002b:00007ffef9fac228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 89.783236][ T5859] RAX: ffffffffffffffda RBX: 00007ffef9fac3f8 RCX: 00007f5d49da53e9
[ 89.791214][ T5859] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
[ 89.799193][ T5859] RBP: 00007f5d49e18610 R08: 0000000000000000 R09: 00007ffef9fac3f8
[ 89.807341][ T5859] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 89.815402][ T5859] R13: 00007ffef9fac3e8 R14: 0000000000000001 R15: 0000000000000001
[ 89.823495][ T5859]
[ 89.826789][ T5859] Kernel Offset: disabled
[ 89.831116][ T5859] Rebooting in 86400 seconds..