./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3327398420
<...>
Warning: Permanently added '10.128.1.89' (ED25519) to the list of known hosts.
execve("./syz-executor3327398420", ["./syz-executor3327398420"], 0x7ffd1bafb7a0 /* 10 vars */) = 0
brk(NULL) = 0x55556db7c000
brk(0x55556db7cd00) = 0x55556db7cd00
arch_prctl(ARCH_SET_FS, 0x55556db7c380) = 0
set_tid_address(0x55556db7c650) = 5850
set_robust_list(0x55556db7c660, 24) = 0
rseq(0x55556db7cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3327398420", 4096) = 28
getrandom("\xfb\xd3\x83\xdd\xb8\xb7\xb2\x1c", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556db7cd00
brk(0x55556db9dd00) = 0x55556db9dd00
brk(0x55556db9e000) = 0x55556db9e000
mprotect(0x7f9de15b3000, 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, child_tidptr=0x55556db7c650) = 5851
./strace-static-x86_64: Process 5851 attached
[pid 5851] set_robust_list(0x55556db7c660, 24) = 0
[pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5851] setpgid(0, 0) = 0
[pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5851] write(3, "1000", 4) = 4
[pid 5851] close(3) = 0
[pid 5851] write(1, "executing program\n", 18executing program
) = 18
[pid 5851] openat(AT_FDCWD, "/dev/comedi0", O_WRONLY|O_SYNC) = 3
[ 93.121945][ T5851] comedi comedi0: c6xdigio: a I/O base address must be specified
[ 93.130201][ T5851] ------------[ cut here ]------------
[ 93.135768][ T5851] Unexpected driver unregister!
[ 93.141415][ T5851] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#1: syz-executor332/5851
[ 93.152022][ T5851] Modules linked in:
[ 93.155998][ T5851] CPU: 1 UID: 0 PID: 5851 Comm: syz-executor332 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full)
[ 93.167942][ T5851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 93.178070][ T5851] RIP: 0010:driver_unregister+0x94/0xb0
[ 93.183674][ T5851] Code: 3c 58 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 81 8f b8 fb eb 05 e8 7a 8f b8 fb 90 48 c7 c7 00 9e 2b 8c e8 fd 16 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
[ 93.203350][ T5851] RSP: 0018:ffffc90004027a38 EFLAGS: 00010246
[ 93.209430][ T5851] RAX: 7debac5d7f2d2300 RBX: ffffffff8f80c040 RCX: ffff888032c29e00
[ 93.217484][ T5851] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 93.225537][ T5851] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 93.233564][ T5851] R10: dffffc0000000000 R11: fffffbfff1c7a7f0 R12: ffff88814c298000
[ 93.241613][ T5851] R13: ffff88814c298120 R14: 0000000000000000 R15: dffffc0000000000
[ 93.249644][ T5851] FS: 000055556db7c380(0000) GS:ffff8881258ab000(0000) knlGS:0000000000000000
[ 93.258595][ T5851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.265224][ T5851] CR2: 000055ded5d09000 CR3: 000000007406a000 CR4: 00000000003526f0
[ 93.273283][ T5851] Call Trace:
[ 93.276573][ T5851]
[ 93.279505][ T5851] comedi_device_detach+0x137/0x720
[ 93.284814][ T5851] ? comedi_request_region+0x11a/0x180
[ 93.290352][ T5851] comedi_device_attach+0x568/0x670
[ 93.295590][ T5851] comedi_unlocked_ioctl+0x686/0xfc0
[ 93.300932][ T5851] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 93.306796][ T5851] ? _raw_spin_lock_irq+0xae/0xf0
[ 93.311927][ T5851] ? security_file_ioctl+0x26e/0x2d0
[ 93.317251][ T5851] ? bpf_lsm_file_ioctl+0x9/0x20
[ 93.322256][ T5851] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 93.328090][ T5851] __se_sys_ioctl+0xf9/0x170
[ 93.332749][ T5851] do_syscall_64+0xfa/0x3b0
[ 93.337285][ T5851] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.342545][ T5851] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.348648][ T5851] ? clear_bhb_loop+0x60/0xb0
[ 93.353390][ T5851] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.359327][ T5851] RIP: 0033:0x7f9de1540b39
[ 93.363826][ T5851] 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
[ 93.383507][ T5851] RSP: 002b:00007ffefa761ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.392015][ T5851] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9de1540b39
[ 93.400058][ T5851] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
[ 93.408053][ T5851] RBP: 00007f9de15b35f0 R08: 0000000000000006 R09: 0000000000000006
[ 93.416063][ T5851] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 93.424089][ T5851] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 93.432131][ T5851]
[ 93.435179][ T5851] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 93.442468][ T5851] CPU: 1 UID: 0 PID: 5851 Comm: syz-executor332 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full)
[ 93.454354][ T5851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 93.464426][ T5851] Call Trace:
[ 93.467712][ T5851]
[ 93.470653][ T5851] dump_stack_lvl+0x99/0x250
[ 93.475248][ T5851] ? __asan_memcpy+0x40/0x70
[ 93.479843][ T5851] ? __pfx_dump_stack_lvl+0x10/0x10
[ 93.485048][ T5851] ? __pfx__printk+0x10/0x10
[ 93.489663][ T5851] vpanic+0x281/0x750
[ 93.493652][ T5851] ? __pfx__printk+0x10/0x10
[ 93.498248][ T5851] ? __pfx_vpanic+0x10/0x10
[ 93.502755][ T5851] ? is_bpf_text_address+0x292/0x2b0
[ 93.508042][ T5851] ? is_bpf_text_address+0x26/0x2b0
[ 93.513264][ T5851] panic+0xb9/0xc0
[ 93.517002][ T5851] ? __pfx_panic+0x10/0x10
[ 93.521447][ T5851] __warn+0x334/0x4c0
[ 93.525432][ T5851] ? driver_unregister+0x94/0xb0
[ 93.530375][ T5851] ? driver_unregister+0x94/0xb0
[ 93.535319][ T5851] report_bug+0x2be/0x4f0
[ 93.539658][ T5851] ? driver_unregister+0x94/0xb0
[ 93.544616][ T5851] ? driver_unregister+0x94/0xb0
[ 93.549573][ T5851] ? driver_unregister+0x96/0xb0
[ 93.554522][ T5851] handle_bug+0x84/0x160
[ 93.558767][ T5851] exc_invalid_op+0x1a/0x50
[ 93.563272][ T5851] asm_exc_invalid_op+0x1a/0x20
[ 93.568127][ T5851] RIP: 0010:driver_unregister+0x94/0xb0
[ 93.573687][ T5851] Code: 3c 58 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 81 8f b8 fb eb 05 e8 7a 8f b8 fb 90 48 c7 c7 00 9e 2b 8c e8 fd 16 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
[ 93.593299][ T5851] RSP: 0018:ffffc90004027a38 EFLAGS: 00010246
[ 93.599373][ T5851] RAX: 7debac5d7f2d2300 RBX: ffffffff8f80c040 RCX: ffff888032c29e00
[ 93.607350][ T5851] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 93.615329][ T5851] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 93.623301][ T5851] R10: dffffc0000000000 R11: fffffbfff1c7a7f0 R12: ffff88814c298000
[ 93.631276][ T5851] R13: ffff88814c298120 R14: 0000000000000000 R15: dffffc0000000000
[ 93.639273][ T5851] ? driver_unregister+0x93/0xb0
[ 93.644236][ T5851] comedi_device_detach+0x137/0x720
[ 93.649449][ T5851] ? comedi_request_region+0x11a/0x180
[ 93.654920][ T5851] comedi_device_attach+0x568/0x670
[ 93.660133][ T5851] comedi_unlocked_ioctl+0x686/0xfc0
[ 93.665433][ T5851] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 93.671261][ T5851] ? _raw_spin_lock_irq+0xae/0xf0
[ 93.676327][ T5851] ? security_file_ioctl+0x26e/0x2d0
[ 93.681626][ T5851] ? bpf_lsm_file_ioctl+0x9/0x20
[ 93.686576][ T5851] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 93.692393][ T5851] __se_sys_ioctl+0xf9/0x170
[ 93.696994][ T5851] do_syscall_64+0xfa/0x3b0
[ 93.701511][ T5851] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.706732][ T5851] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.712820][ T5851] ? clear_bhb_loop+0x60/0xb0
[ 93.717523][ T5851] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.723429][ T5851] RIP: 0033:0x7f9de1540b39
[ 93.727859][ T5851] 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
[ 93.747478][ T5851] RSP: 002b:00007ffefa761ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.755903][ T5851] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9de1540b39
[ 93.763980][ T5851] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
[ 93.771964][ T5851] RBP: 00007f9de15b35f0 R08: 0000000000000006 R09: 0000000000000006
[ 93.779945][ T5851] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 93.787928][ T5851] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 93.795942][ T5851]
[ 93.799232][ T5851] Kernel Offset: disabled
[ 93.803585][ T5851] Rebooting in 86400 seconds..