./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3513074009
<...>
Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts.
execve("./syz-executor3513074009", ["./syz-executor3513074009"], 0x7ffd1fc5fee0 /* 10 vars */) = 0
brk(NULL) = 0x5555836cc000
brk(0x5555836ccd00) = 0x5555836ccd00
arch_prctl(ARCH_SET_FS, 0x5555836cc380) = 0
set_tid_address(0x5555836cc650) = 5866
set_robust_list(0x5555836cc660, 24) = 0
rseq(0x5555836ccca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3513074009", 4096) = 28
getrandom("\x6d\x16\xff\xcb\xe6\xc2\x80\xc4", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555836ccd00
brk(0x5555836edd00) = 0x5555836edd00
brk(0x5555836ee000) = 0x5555836ee000
mprotect(0x7fee53dce000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached
, child_tidptr=0x5555836cc650) = 5867
[pid 5867] set_robust_list(0x5555836cc660, 24) = 0
[pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5867] setpgid(0, 0) = 0
[pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5867] write(3, "1000", 4) = 4
[pid 5867] close(3) = 0
executing program
[pid 5867] write(1, "executing program\n", 18) = 18
[pid 5867] openat(AT_FDCWD, "/dev/comedi0", O_RDONLY|O_EXCL|O_LARGEFILE) = 3
[ 84.027983][ T5867] comedi comedi0: c6xdigio: a I/O base address must be specified
[ 84.036169][ T5867] ------------[ cut here ]------------
[ 84.041995][ T5867] Unexpected driver unregister!
[ 84.047820][ T5867] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#0: syz-executor351/5867
[ 84.058665][ T5867] Modules linked in:
[ 84.062822][ T5867] CPU: 0 UID: 0 PID: 5867 Comm: syz-executor351 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full)
[ 84.074835][ T5867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 84.085048][ T5867] RIP: 0010:driver_unregister+0x94/0xb0
[ 84.090939][ T5867] 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
[ 84.111727][ T5867] RSP: 0018:ffffc9000402fa40 EFLAGS: 00010246
[ 84.118037][ T5867] RAX: 367158237a690400 RBX: ffffffff8f3f7140 RCX: ffff88802a629e00
[ 84.126963][ T5867] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 84.135650][ T5867] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 84.143775][ T5867] R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffff88814c420838
[ 84.152193][ T5867] R13: ffffffff8f3f7090 R14: 0000000000000000 R15: dffffc0000000000
[ 84.160691][ T5867] FS: 00005555836cc380(0000) GS:ffff888125c15000(0000) knlGS:0000000000000000
[ 84.169748][ T5867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 84.176406][ T5867] CR2: 00000000005fdeb8 CR3: 0000000058d44000 CR4: 00000000003526f0
[ 84.184521][ T5867] Call Trace:
[ 84.188012][ T5867]
[ 84.191104][ T5867] comedi_device_detach_locked+0x178/0x750
[ 84.197217][ T5867] comedi_device_attach+0x5d4/0x720
[ 84.202867][ T5867] comedi_unlocked_ioctl+0x5ff/0x1020
[ 84.208469][ T5867] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 84.214640][ T5867] ? _raw_spin_lock_irq+0xae/0xf0
[ 84.220880][ T5867] ? __pfx_ptrace_notify+0x10/0x10
[ 84.226121][ T5867] ? bpf_lsm_file_ioctl+0x9/0x20
[ 84.231100][ T5867] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 84.237130][ T5867] __se_sys_ioctl+0xf9/0x170
[ 84.241787][ T5867] do_syscall_64+0xfa/0x3b0
[ 84.246405][ T5867] ? lockdep_hardirqs_on+0x9c/0x150
[ 84.251737][ T5867] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.258004][ T5867] ? clear_bhb_loop+0x60/0xb0
[ 84.262773][ T5867] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.268884][ T5867] RIP: 0033:0x7fee53d5bb39
[ 84.273358][ T5867] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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
[ 84.293514][ T5867] RSP: 002b:00007ffd87c547c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 84.302324][ T5867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fee53d5bb39
[ 84.310873][ T5867] RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
[ 84.319586][ T5867] RBP: 00007fee53dce5f0 R08: 0000000000000006 R09: 0000000000000006
[ 84.328570][ T5867] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 84.337176][ T5867] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 84.345862][ T5867]
[ 84.348967][ T5867] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 84.356655][ T5867] CPU: 0 UID: 0 PID: 5867 Comm: syz-executor351 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full)
[ 84.368490][ T5867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 84.379244][ T5867] Call Trace:
[ 84.382775][ T5867]
[ 84.385830][ T5867] dump_stack_lvl+0x99/0x250
[ 84.390827][ T5867] ? __asan_memcpy+0x40/0x70
[ 84.395994][ T5867] ? __pfx_dump_stack_lvl+0x10/0x10
[ 84.402246][ T5867] ? __pfx__printk+0x10/0x10
[ 84.407176][ T5867] vpanic+0x281/0x750
[ 84.411603][ T5867] ? __pfx_vpanic+0x10/0x10
[ 84.416228][ T5867] ? is_bpf_text_address+0x292/0x2b0
[ 84.421644][ T5867] ? is_bpf_text_address+0x26/0x2b0
[ 84.426882][ T5867] panic+0xb9/0xc0
[ 84.430648][ T5867] ? __pfx_panic+0x10/0x10
[ 84.435099][ T5867] __warn+0x334/0x4c0
[ 84.439203][ T5867] ? driver_unregister+0x94/0xb0
[ 84.444260][ T5867] ? driver_unregister+0x94/0xb0
[ 84.449309][ T5867] report_bug+0x2be/0x4f0
[ 84.453709][ T5867] ? driver_unregister+0x94/0xb0
[ 84.459007][ T5867] ? driver_unregister+0x94/0xb0
[ 84.464562][ T5867] ? driver_unregister+0x96/0xb0
[ 84.470790][ T5867] handle_bug+0x84/0x160
[ 84.476493][ T5867] exc_invalid_op+0x1a/0x50
[ 84.481667][ T5867] asm_exc_invalid_op+0x1a/0x20
[ 84.487367][ T5867] RIP: 0010:driver_unregister+0x94/0xb0
[ 84.493335][ T5867] 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
[ 84.515871][ T5867] RSP: 0018:ffffc9000402fa40 EFLAGS: 00010246
[ 84.522502][ T5867] RAX: 367158237a690400 RBX: ffffffff8f3f7140 RCX: ffff88802a629e00
[ 84.530613][ T5867] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 84.538881][ T5867] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 84.547062][ T5867] R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffff88814c420838
[ 84.555469][ T5867] R13: ffffffff8f3f7090 R14: 0000000000000000 R15: dffffc0000000000
[ 84.563945][ T5867] comedi_device_detach_locked+0x178/0x750
[ 84.569955][ T5867] comedi_device_attach+0x5d4/0x720
[ 84.575325][ T5867] comedi_unlocked_ioctl+0x5ff/0x1020
[ 84.581033][ T5867] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 84.586927][ T5867] ? _raw_spin_lock_irq+0xae/0xf0
[ 84.592026][ T5867] ? __pfx_ptrace_notify+0x10/0x10
[ 84.597253][ T5867] ? bpf_lsm_file_ioctl+0x9/0x20
[ 84.602308][ T5867] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 84.608142][ T5867] __se_sys_ioctl+0xf9/0x170
[ 84.612774][ T5867] do_syscall_64+0xfa/0x3b0
[ 84.617597][ T5867] ? lockdep_hardirqs_on+0x9c/0x150
[ 84.622917][ T5867] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.629193][ T5867] ? clear_bhb_loop+0x60/0xb0
[ 84.633991][ T5867] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.639911][ T5867] RIP: 0033:0x7fee53d5bb39
[ 84.644549][ T5867] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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
[ 84.664447][ T5867] RSP: 002b:00007ffd87c547c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 84.672996][ T5867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fee53d5bb39
[ 84.681293][ T5867] RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
[ 84.689299][ T5867] RBP: 00007fee53dce5f0 R08: 0000000000000006 R09: 0000000000000006
[ 84.697399][ T5867] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 84.706013][ T5867] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 84.714870][ T5867]
[ 84.718365][ T5867] Kernel Offset: disabled
[ 84.722715][ T5867] Rebooting in 86400 seconds..