./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4200486544
<...>
Warning: Permanently added '10.128.10.3' (ED25519) to the list of known hosts.
execve("./syz-executor4200486544", ["./syz-executor4200486544"], 0x7ffc70b92760 /* 10 vars */) = 0
brk(NULL) = 0x55557385a000
brk(0x55557385ad00) = 0x55557385ad00
arch_prctl(ARCH_SET_FS, 0x55557385a380) = 0
set_tid_address(0x55557385a650) = 5856
set_robust_list(0x55557385a660, 24) = 0
rseq(0x55557385aca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4200486544", 4096) = 28
getrandom("\xcd\x55\x03\x05\xec\x46\x93\x40", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557385ad00
brk(0x55557387bd00) = 0x55557387bd00
brk(0x55557387c000) = 0x55557387c000
mprotect(0x7f9771666000, 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/comedi2", O_RDONLY|O_SYNC|O_LARGEFILE) = 3
[ 92.503139][ T5856] comedi comedi2: c6xdigio: I/O port conflict (0x8,3)
[ 92.510243][ T5856] ------------[ cut here ]------------
[ 92.516050][ T5856] Unexpected driver unregister!
[ 92.521653][ T5856] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#0: syz-executor420/5856
[ 92.532299][ T5856] Modules linked in:
[ 92.536321][ T5856] CPU: 0 UID: 0 PID: 5856 Comm: syz-executor420 Not tainted 6.16.0-rc5-next-20250711-syzkaller #0 PREEMPT(full)
[ 92.548975][ T5856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 92.559161][ T5856] RIP: 0010:driver_unregister+0x94/0xb0
[ 92.564733][ T5856] Code: f0 59 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 31 18 b9 fb eb 05 e8 2a 18 b9 fb 90 48 c7 c7 e0 96 2b 8c e8 cd e0 7c fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
[ 92.584514][ T5856] RSP: 0018:ffffc90003f67a38 EFLAGS: 00010246
[ 92.590848][ T5856] RAX: 8fc3b60b39531300 RBX: ffffffff8f809200 RCX: ffff888034300000
[ 92.598934][ T5856] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 92.606957][ T5856] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 92.615023][ T5856] R10: dffffc0000000000 R11: fffffbfff1c7a4d8 R12: ffff88802f594000
[ 92.623091][ T5856] R13: ffff88802f594120 R14: 0000000000000000 R15: dffffc0000000000
[ 92.631174][ T5856] FS: 000055557385a380(0000) GS:ffff88812578f000(0000) knlGS:0000000000000000
[ 92.640399][ T5856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.647012][ T5856] CR2: 00000000005fdeb8 CR3: 00000000752a4000 CR4: 00000000003526f0
[ 92.655050][ T5856] Call Trace:
[ 92.658480][ T5856]
[ 92.661471][ T5856] comedi_device_detach+0x137/0x720
[ 92.666707][ T5856] ? comedi_request_region+0x16c/0x180
[ 92.672600][ T5856] comedi_device_attach+0x568/0x670
[ 92.677860][ T5856] comedi_unlocked_ioctl+0x686/0xf40
[ 92.683288][ T5856] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 92.689203][ T5856] ? _raw_spin_lock_irq+0xae/0xf0
[ 92.694300][ T5856] ? __pfx_ptrace_notify+0x10/0x10
[ 92.699534][ T5856] ? bpf_lsm_file_ioctl+0x9/0x20
[ 92.704548][ T5856] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 92.710426][ T5856] __se_sys_ioctl+0xf9/0x170
[ 92.715130][ T5856] do_syscall_64+0xfa/0x3b0
[ 92.719729][ T5856] ? lockdep_hardirqs_on+0x9c/0x150
[ 92.724963][ T5856] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.731124][ T5856] ? clear_bhb_loop+0x60/0xb0
[ 92.735928][ T5856] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.741920][ T5856] RIP: 0033:0x7f97715f33e9
[ 92.746389][ T5856] 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
[ 92.766309][ T5856] RSP: 002b:00007ffe7d55c8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 92.774821][ T5856] RAX: ffffffffffffffda RBX: 00007ffe7d55cab8 RCX: 00007f97715f33e9
[ 92.782991][ T5856] RDX: 00002000000000c0 RSI: 0000000040946400 RDI: 0000000000000003
[ 92.791057][ T5856] RBP: 00007f9771666610 R08: 0000000000000000 R09: 00007ffe7d55cab8
[ 92.799185][ T5856] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 92.807206][ T5856] R13: 00007ffe7d55caa8 R14: 0000000000000001 R15: 0000000000000001
[ 92.815361][ T5856]
[ 92.818506][ T5856] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 92.825813][ T5856] CPU: 0 UID: 0 PID: 5856 Comm: syz-executor420 Not tainted 6.16.0-rc5-next-20250711-syzkaller #0 PREEMPT(full)
[ 92.838202][ T5856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 92.848457][ T5856] Call Trace:
[ 92.851835][ T5856]
[ 92.854806][ T5856] dump_stack_lvl+0x99/0x250
[ 92.859493][ T5856] ? __asan_memcpy+0x40/0x70
[ 92.864103][ T5856] ? __pfx_dump_stack_lvl+0x10/0x10
[ 92.869325][ T5856] ? __pfx__printk+0x10/0x10
[ 92.873932][ T5856] vpanic+0x281/0x750
[ 92.877926][ T5856] ? __pfx__printk+0x10/0x10
[ 92.882519][ T5856] ? __pfx_vpanic+0x10/0x10
[ 92.887029][ T5856] ? is_bpf_text_address+0x292/0x2b0
[ 92.892330][ T5856] ? is_bpf_text_address+0x26/0x2b0
[ 92.897560][ T5856] panic+0xb9/0xc0
[ 92.901362][ T5856] ? __pfx_panic+0x10/0x10
[ 92.905813][ T5856] __warn+0x334/0x4c0
[ 92.909839][ T5856] ? driver_unregister+0x94/0xb0
[ 92.914900][ T5856] ? driver_unregister+0x94/0xb0
[ 92.919880][ T5856] report_bug+0x2be/0x4f0
[ 92.924223][ T5856] ? driver_unregister+0x94/0xb0
[ 92.929185][ T5856] ? driver_unregister+0x94/0xb0
[ 92.934130][ T5856] ? driver_unregister+0x96/0xb0
[ 92.939228][ T5856] handle_bug+0x84/0x160
[ 92.943596][ T5856] exc_invalid_op+0x1a/0x50
[ 92.948145][ T5856] asm_exc_invalid_op+0x1a/0x20
[ 92.953021][ T5856] RIP: 0010:driver_unregister+0x94/0xb0
[ 92.958723][ T5856] Code: f0 59 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 31 18 b9 fb eb 05 e8 2a 18 b9 fb 90 48 c7 c7 e0 96 2b 8c e8 cd e0 7c fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
[ 92.978453][ T5856] RSP: 0018:ffffc90003f67a38 EFLAGS: 00010246
[ 92.984841][ T5856] RAX: 8fc3b60b39531300 RBX: ffffffff8f809200 RCX: ffff888034300000
[ 92.992839][ T5856] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 93.000848][ T5856] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 93.008823][ T5856] R10: dffffc0000000000 R11: fffffbfff1c7a4d8 R12: ffff88802f594000
[ 93.016798][ T5856] R13: ffff88802f594120 R14: 0000000000000000 R15: dffffc0000000000
[ 93.024786][ T5856] ? driver_unregister+0x93/0xb0
[ 93.029774][ T5856] comedi_device_detach+0x137/0x720
[ 93.035418][ T5856] ? comedi_request_region+0x16c/0x180
[ 93.041151][ T5856] comedi_device_attach+0x568/0x670
[ 93.046363][ T5856] comedi_unlocked_ioctl+0x686/0xf40
[ 93.051659][ T5856] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 93.057492][ T5856] ? _raw_spin_lock_irq+0xae/0xf0
[ 93.062903][ T5856] ? __pfx_ptrace_notify+0x10/0x10
[ 93.068027][ T5856] ? bpf_lsm_file_ioctl+0x9/0x20
[ 93.072984][ T5856] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 93.079324][ T5856] __se_sys_ioctl+0xf9/0x170
[ 93.084015][ T5856] do_syscall_64+0xfa/0x3b0
[ 93.088521][ T5856] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.093734][ T5856] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.099800][ T5856] ? clear_bhb_loop+0x60/0xb0
[ 93.104486][ T5856] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.110382][ T5856] RIP: 0033:0x7f97715f33e9
[ 93.114811][ T5856] 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
[ 93.134422][ T5856] RSP: 002b:00007ffe7d55c8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.142864][ T5856] RAX: ffffffffffffffda RBX: 00007ffe7d55cab8 RCX: 00007f97715f33e9
[ 93.150951][ T5856] RDX: 00002000000000c0 RSI: 0000000040946400 RDI: 0000000000000003
[ 93.158943][ T5856] RBP: 00007f9771666610 R08: 0000000000000000 R09: 00007ffe7d55cab8
[ 93.166923][ T5856] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 93.174893][ T5856] R13: 00007ffe7d55caa8 R14: 0000000000000001 R15: 0000000000000001
[ 93.182942][ T5856]
[ 93.186385][ T5856] Kernel Offset: disabled
[ 93.190771][ T5856] Rebooting in 86400 seconds..