./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4273469405
<...>
Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts.
execve("./syz-executor4273469405", ["./syz-executor4273469405"], 0x7ffc7516c490 /* 10 vars */) = 0
brk(NULL) = 0x55556e94f000
brk(0x55556e94fd00) = 0x55556e94fd00
arch_prctl(ARCH_SET_FS, 0x55556e94f380) = 0
set_tid_address(0x55556e94f650) = 5876
set_robust_list(0x55556e94f660, 24) = 0
rseq(0x55556e94fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4273469405", 4096) = 28
getrandom("\xe9\x96\x58\x83\x19\x61\x9c\x1b", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556e94fd00
brk(0x55556e970d00) = 0x55556e970d00
brk(0x55556e971000) = 0x55556e971000
mprotect(0x7fe252537000, 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/comedi0", O_RDONLY|O_EXCL|O_LARGEFILE) = 3
[ 82.654047][ T5876] comedi comedi0: c6xdigio: I/O port conflict (0x5,3)
[ 82.661567][ T5876] ------------[ cut here ]------------
[ 82.668224][ T5876] Unexpected driver unregister!
[ 82.673745][ T5876] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#0: syz-executor427/5876
[ 82.684601][ T5876] Modules linked in:
[ 82.688664][ T5876] CPU: 0 UID: 0 PID: 5876 Comm: syz-executor427 Not tainted 6.17.0-rc1-next-20250812-syzkaller #0 PREEMPT(full)
[ 82.700668][ T5876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 82.710878][ T5876] RIP: 0010:driver_unregister+0x94/0xb0
[ 82.716467][ T5876] Code: ea 55 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 21 1f b6 fb eb 05 e8 1a 1f b6 fb 90 48 c7 c7 a0 9f 2b 8c e8 fd bc 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
[ 82.736339][ T5876] RSP: 0018:ffffc90003f97a40 EFLAGS: 00010246
[ 82.742425][ T5876] RAX: b01ce19de0d19700 RBX: ffffffff8f80a3c0 RCX: ffff888033948000
[ 82.750502][ T5876] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 82.758520][ T5876] RBP: 0000000000000001 R08: ffff8880b8624253 R09: 1ffff110170c484a
[ 82.766537][ T5876] R10: dffffc0000000000 R11: ffffed10170c484b R12: ffff88802ecf3838
[ 82.774507][ T5876] R13: ffffffff8f80a310 R14: 0000000000000000 R15: dffffc0000000000
[ 82.782523][ T5876] FS: 000055556e94f380(0000) GS:ffff8881257da000(0000) knlGS:0000000000000000
[ 82.791499][ T5876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 82.798120][ T5876] CR2: 00000000005fdeb8 CR3: 000000007e26a000 CR4: 00000000003526f0
[ 82.806131][ T5876] Call Trace:
[ 82.809399][ T5876]
[ 82.812312][ T5876] comedi_device_detach_locked+0x175/0x750
[ 82.818183][ T5876] comedi_device_attach+0x5d4/0x720
[ 82.823388][ T5876] comedi_unlocked_ioctl+0x5ff/0x1020
[ 82.828800][ T5876] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 82.834628][ T5876] ? _raw_spin_lock_irq+0xae/0xf0
[ 82.839750][ T5876] ? __pfx_ptrace_notify+0x10/0x10
[ 82.844974][ T5876] ? bpf_lsm_file_ioctl+0x9/0x20
[ 82.849965][ T5876] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 82.855818][ T5876] __se_sys_ioctl+0xf9/0x170
[ 82.860403][ T5876] do_syscall_64+0xfa/0x3b0
[ 82.864898][ T5876] ? lockdep_hardirqs_on+0x9c/0x150
[ 82.870164][ T5876] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 82.876360][ T5876] ? clear_bhb_loop+0x60/0xb0
[ 82.881048][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 82.887028][ T5876] RIP: 0033:0x7fe2524c43e9
[ 82.891465][ T5876] 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
[ 82.911214][ T5876] RSP: 002b:00007ffe8735be28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 82.919681][ T5876] RAX: ffffffffffffffda RBX: 00007ffe8735bff8 RCX: 00007fe2524c43e9
[ 82.927749][ T5876] RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
[ 82.935798][ T5876] RBP: 00007fe252537610 R08: 0000000000000000 R09: 00007ffe8735bff8
[ 82.943775][ T5876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 82.951831][ T5876] R13: 00007ffe8735bfe8 R14: 0000000000000001 R15: 0000000000000001
[ 82.959919][ T5876]
[ 82.962943][ T5876] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 82.970234][ T5876] CPU: 0 UID: 0 PID: 5876 Comm: syz-executor427 Not tainted 6.17.0-rc1-next-20250812-syzkaller #0 PREEMPT(full)
[ 82.982135][ T5876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 82.992175][ T5876] Call Trace:
[ 82.995444][ T5876]
[ 82.998373][ T5876] dump_stack_lvl+0x99/0x250
[ 83.002953][ T5876] ? __asan_memcpy+0x40/0x70
[ 83.007528][ T5876] ? __pfx_dump_stack_lvl+0x10/0x10
[ 83.012804][ T5876] ? __pfx__printk+0x10/0x10
[ 83.017386][ T5876] vpanic+0x281/0x750
[ 83.021360][ T5876] ? __pfx_vpanic+0x10/0x10
[ 83.025851][ T5876] ? is_bpf_text_address+0x292/0x2b0
[ 83.031133][ T5876] ? is_bpf_text_address+0x26/0x2b0
[ 83.036321][ T5876] panic+0xb9/0xc0
[ 83.040126][ T5876] ? __pfx_panic+0x10/0x10
[ 83.044531][ T5876] __warn+0x334/0x4c0
[ 83.048497][ T5876] ? driver_unregister+0x94/0xb0
[ 83.053420][ T5876] ? driver_unregister+0x94/0xb0
[ 83.058339][ T5876] report_bug+0x2be/0x4f0
[ 83.062736][ T5876] ? driver_unregister+0x94/0xb0
[ 83.067673][ T5876] ? driver_unregister+0x94/0xb0
[ 83.072617][ T5876] ? driver_unregister+0x96/0xb0
[ 83.077556][ T5876] handle_bug+0x84/0x160
[ 83.081797][ T5876] exc_invalid_op+0x1a/0x50
[ 83.086300][ T5876] asm_exc_invalid_op+0x1a/0x20
[ 83.091147][ T5876] RIP: 0010:driver_unregister+0x94/0xb0
[ 83.096700][ T5876] Code: ea 55 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 21 1f b6 fb eb 05 e8 1a 1f b6 fb 90 48 c7 c7 a0 9f 2b 8c e8 fd bc 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
[ 83.116296][ T5876] RSP: 0018:ffffc90003f97a40 EFLAGS: 00010246
[ 83.122354][ T5876] RAX: b01ce19de0d19700 RBX: ffffffff8f80a3c0 RCX: ffff888033948000
[ 83.130314][ T5876] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 83.138275][ T5876] RBP: 0000000000000001 R08: ffff8880b8624253 R09: 1ffff110170c484a
[ 83.146236][ T5876] R10: dffffc0000000000 R11: ffffed10170c484b R12: ffff88802ecf3838
[ 83.154292][ T5876] R13: ffffffff8f80a310 R14: 0000000000000000 R15: dffffc0000000000
[ 83.162290][ T5876] comedi_device_detach_locked+0x175/0x750
[ 83.168207][ T5876] comedi_device_attach+0x5d4/0x720
[ 83.173411][ T5876] comedi_unlocked_ioctl+0x5ff/0x1020
[ 83.178784][ T5876] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 83.184613][ T5876] ? _raw_spin_lock_irq+0xae/0xf0
[ 83.189684][ T5876] ? __pfx_ptrace_notify+0x10/0x10
[ 83.194810][ T5876] ? bpf_lsm_file_ioctl+0x9/0x20
[ 83.199845][ T5876] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 83.205655][ T5876] __se_sys_ioctl+0xf9/0x170
[ 83.210250][ T5876] do_syscall_64+0xfa/0x3b0
[ 83.214747][ T5876] ? lockdep_hardirqs_on+0x9c/0x150
[ 83.220029][ T5876] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.226093][ T5876] ? clear_bhb_loop+0x60/0xb0
[ 83.230769][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.236739][ T5876] RIP: 0033:0x7fe2524c43e9
[ 83.241144][ T5876] 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
[ 83.260739][ T5876] RSP: 002b:00007ffe8735be28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 83.269236][ T5876] RAX: ffffffffffffffda RBX: 00007ffe8735bff8 RCX: 00007fe2524c43e9
[ 83.277201][ T5876] RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
[ 83.285165][ T5876] RBP: 00007fe252537610 R08: 0000000000000000 R09: 00007ffe8735bff8
[ 83.293125][ T5876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 83.301088][ T5876] R13: 00007ffe8735bfe8 R14: 0000000000000001 R15: 0000000000000001
[ 83.309070][ T5876]
[ 83.312445][ T5876] Kernel Offset: disabled
[ 83.316756][ T5876] Rebooting in 86400 seconds..