./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1163048048
<...>
Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts.
execve("./syz-executor1163048048", ["./syz-executor1163048048"], 0x7ffceb2e1b60 /* 10 vars */) = 0
brk(NULL) = 0x5555746c7000
brk(0x5555746c7d00) = 0x5555746c7d00
arch_prctl(ARCH_SET_FS, 0x5555746c7380) = 0
set_tid_address(0x5555746c7650) = 5870
set_robust_list(0x5555746c7660, 24) = 0
rseq(0x5555746c7ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1163048048", 4096) = 28
getrandom("\xb3\x51\x39\xea\x87\x0b\xb6\xa0", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555746c7d00
brk(0x5555746e8d00) = 0x5555746e8d00
brk(0x5555746e9000) = 0x5555746e9000
mprotect(0x7f0f10c4c000, 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/comedi0", O_RDONLY|O_EXCL|O_LARGEFILE) = 3
[ 84.569589][ T5870] comedi comedi0: c6xdigio: a I/O base address must be specified
[ 84.578807][ T5870] ------------[ cut here ]------------
[ 84.584764][ T5870] Unexpected driver unregister!
[ 84.590075][ T5870] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#0: syz-executor116/5870
[ 84.602642][ T5870] Modules linked in:
[ 84.606951][ T5870] CPU: 0 UID: 0 PID: 5870 Comm: syz-executor116 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full)
[ 84.618856][ T5870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 84.629784][ T5870] RIP: 0010:driver_unregister+0x94/0xb0
[ 84.635992][ T5870] Code: 3b 5c fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 01 59 bd fb eb 05 e8 fa 58 bd fb 90 48 c7 c7 20 0b 0a 8c e8 5d ef 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 be 71 7b 05 cc cc cc cc cc cc cc cc
[ 84.657136][ T5870] RSP: 0018:ffffc90003f7fa40 EFLAGS: 00010246
[ 84.663567][ T5870] RAX: 397d4811e7c14900 RBX: ffffffff8f3f7140 RCX: ffff888020f48000
[ 84.672761][ T5870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 84.681986][ T5870] RBP: 0000000000000001 R08: ffffc90003f7f767 R09: 1ffff920007efeec
[ 84.690484][ T5870] R10: dffffc0000000000 R11: fffff520007efeed R12: ffff88814cd55038
[ 84.699045][ T5870] R13: ffffffff8f3f7090 R14: 0000000000000000 R15: dffffc0000000000
[ 84.707746][ T5870] FS: 00005555746c7380(0000) GS:ffff888125c15000(0000) knlGS:0000000000000000
[ 84.717036][ T5870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 84.723907][ T5870] CR2: 000055ecbd54b000 CR3: 000000007461a000 CR4: 00000000003526f0
[ 84.732147][ T5870] Call Trace:
[ 84.736108][ T5870]
[ 84.739689][ T5870] comedi_device_detach_locked+0x178/0x750
[ 84.746173][ T5870] comedi_device_attach+0x5d4/0x720
[ 84.751735][ T5870] comedi_unlocked_ioctl+0x5ff/0x1020
[ 84.757687][ T5870] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 84.763929][ T5870] ? _raw_spin_lock_irq+0xae/0xf0
[ 84.769111][ T5870] ? __pfx_ptrace_notify+0x10/0x10
[ 84.775042][ T5870] ? bpf_lsm_file_ioctl+0x9/0x20
[ 84.780371][ T5870] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 84.786257][ T5870] __se_sys_ioctl+0xf9/0x170
[ 84.790894][ T5870] do_syscall_64+0xfa/0x3b0
[ 84.795699][ T5870] ? lockdep_hardirqs_on+0x9c/0x150
[ 84.801105][ T5870] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.807349][ T5870] ? clear_bhb_loop+0x60/0xb0
[ 84.812073][ T5870] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.818124][ T5870] RIP: 0033:0x7f0f10bd93e9
[ 84.822577][ T5870] 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
[ 84.842650][ T5870] RSP: 002b:00007ffed2439928 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 84.851108][ T5870] RAX: ffffffffffffffda RBX: 00007ffed2439af8 RCX: 00007f0f10bd93e9
[ 84.859324][ T5870] RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
[ 84.867617][ T5870] RBP: 00007f0f10c4c610 R08: 0000000000000000 R09: 00007ffed2439af8
[ 84.876757][ T5870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 84.884889][ T5870] R13: 00007ffed2439ae8 R14: 0000000000000001 R15: 0000000000000001
[ 84.893060][ T5870]
[ 84.896264][ T5870] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 84.903551][ T5870] CPU: 0 UID: 0 PID: 5870 Comm: syz-executor116 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full)
[ 84.915270][ T5870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 84.925507][ T5870] Call Trace:
[ 84.928823][ T5870]
[ 84.931844][ T5870] dump_stack_lvl+0x99/0x250
[ 84.936446][ T5870] ? __asan_memcpy+0x40/0x70
[ 84.941119][ T5870] ? __pfx_dump_stack_lvl+0x10/0x10
[ 84.946399][ T5870] ? __pfx__printk+0x10/0x10
[ 84.951040][ T5870] vpanic+0x281/0x750
[ 84.955114][ T5870] ? __pfx_vpanic+0x10/0x10
[ 84.959622][ T5870] ? is_bpf_text_address+0x292/0x2b0
[ 84.964915][ T5870] ? is_bpf_text_address+0x26/0x2b0
[ 84.970307][ T5870] panic+0xb9/0xc0
[ 84.974371][ T5870] ? __pfx_panic+0x10/0x10
[ 84.979007][ T5870] __warn+0x334/0x4c0
[ 84.983219][ T5870] ? driver_unregister+0x94/0xb0
[ 84.988258][ T5870] ? driver_unregister+0x94/0xb0
[ 84.993577][ T5870] report_bug+0x2be/0x4f0
[ 84.997920][ T5870] ? driver_unregister+0x94/0xb0
[ 85.003048][ T5870] ? driver_unregister+0x94/0xb0
[ 85.008365][ T5870] ? driver_unregister+0x96/0xb0
[ 85.013436][ T5870] handle_bug+0x84/0x160
[ 85.018026][ T5870] exc_invalid_op+0x1a/0x50
[ 85.022520][ T5870] asm_exc_invalid_op+0x1a/0x20
[ 85.027369][ T5870] RIP: 0010:driver_unregister+0x94/0xb0
[ 85.033005][ T5870] Code: 3b 5c fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 01 59 bd fb eb 05 e8 fa 58 bd fb 90 48 c7 c7 20 0b 0a 8c e8 5d ef 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 be 71 7b 05 cc cc cc cc cc cc cc cc
[ 85.052883][ T5870] RSP: 0018:ffffc90003f7fa40 EFLAGS: 00010246
[ 85.059097][ T5870] RAX: 397d4811e7c14900 RBX: ffffffff8f3f7140 RCX: ffff888020f48000
[ 85.067363][ T5870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 85.075678][ T5870] RBP: 0000000000000001 R08: ffffc90003f7f767 R09: 1ffff920007efeec
[ 85.083833][ T5870] R10: dffffc0000000000 R11: fffff520007efeed R12: ffff88814cd55038
[ 85.092005][ T5870] R13: ffffffff8f3f7090 R14: 0000000000000000 R15: dffffc0000000000
[ 85.100402][ T5870] comedi_device_detach_locked+0x178/0x750
[ 85.106497][ T5870] comedi_device_attach+0x5d4/0x720
[ 85.111994][ T5870] comedi_unlocked_ioctl+0x5ff/0x1020
[ 85.117483][ T5870] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 85.123653][ T5870] ? _raw_spin_lock_irq+0xae/0xf0
[ 85.128917][ T5870] ? __pfx_ptrace_notify+0x10/0x10
[ 85.134319][ T5870] ? bpf_lsm_file_ioctl+0x9/0x20
[ 85.139585][ T5870] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 85.145600][ T5870] __se_sys_ioctl+0xf9/0x170
[ 85.150556][ T5870] do_syscall_64+0xfa/0x3b0
[ 85.155271][ T5870] ? lockdep_hardirqs_on+0x9c/0x150
[ 85.160555][ T5870] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.166622][ T5870] ? clear_bhb_loop+0x60/0xb0
[ 85.171508][ T5870] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.177542][ T5870] RIP: 0033:0x7f0f10bd93e9
[ 85.181987][ T5870] 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
[ 85.201613][ T5870] RSP: 002b:00007ffed2439928 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 85.210135][ T5870] RAX: ffffffffffffffda RBX: 00007ffed2439af8 RCX: 00007f0f10bd93e9
[ 85.218190][ T5870] RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
[ 85.226299][ T5870] RBP: 00007f0f10c4c610 R08: 0000000000000000 R09: 00007ffed2439af8
[ 85.234275][ T5870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 85.242514][ T5870] R13: 00007ffed2439ae8 R14: 0000000000000001 R15: 0000000000000001
[ 85.250778][ T5870]
[ 85.254204][ T5870] Kernel Offset: disabled
[ 85.258628][ T5870] Rebooting in 86400 seconds..