./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor84457294
<...>
[ 92.044409][ T977] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.26' (ED25519) to the list of known hosts.
execve("./syz-executor84457294", ["./syz-executor84457294"], 0x7fff2066ca10 /* 10 vars */) = 0
brk(NULL) = 0x55556c475000
brk(0x55556c475d00) = 0x55556c475d00
arch_prctl(ARCH_SET_FS, 0x55556c475380) = 0
set_tid_address(0x55556c475650) = 5846
set_robust_list(0x55556c475660, 24) = 0
rseq(0x55556c475ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor84457294", 4096) = 26
getrandom("\xa9\x68\xe0\x44\xf5\x5b\x18\xfc", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556c475d00
brk(0x55556c496d00) = 0x55556c496d00
brk(0x55556c497000) = 0x55556c497000
mprotect(0x7ff3df2b1000, 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 5847 attached
, child_tidptr=0x55556c475650) = 5847
[pid 5847] set_robust_list(0x55556c475660, 24) = 0
[pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5847] setpgid(0, 0) = 0
[pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5847] write(3, "1000", 4) = 4
[pid 5847] close(3) = 0
[pid 5847] write(1, "executing program\n", 18executing program
) = 18
[pid 5847] openat(AT_FDCWD, "/dev/comedi0", O_WRONLY|O_SYNC) = 3
[ 97.288010][ T5847] comedi comedi0: c6xdigio: a I/O base address must be specified
[ 97.296048][ T5847] ------------[ cut here ]------------
[ 97.301597][ T5847] Unexpected driver unregister!
[ 97.307280][ T5847] WARNING: CPU: 0 PID: 5847 at drivers/base/driver.c:273 driver_unregister+0x94/0xb0
[ 97.316901][ T5847] Modules linked in:
[ 97.320899][ T5847] CPU: 0 UID: 0 PID: 5847 Comm: syz-executor844 Not tainted 6.16.0-rc7-syzkaller-00140-gec2df4364666 #0 PREEMPT(full)
[ 97.333638][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 97.343864][ T5847] RIP: 0010:driver_unregister+0x94/0xb0
[ 97.349462][ T5847] Code: da 6b fc 48 89 df 5b 41 5e 41 5f e9 d6 55 ff ff e8 91 f7 d0 fb eb 05 e8 8a f7 d0 fb 90 48 c7 c7 e0 94 08 8c e8 1d e7 94 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 ce 34 7a 05 cc cc cc cc cc cc cc cc
[ 97.369182][ T5847] RSP: 0018:ffffc90003fffa38 EFLAGS: 00010246
[ 97.375351][ T5847] RAX: 77f84967da05cf00 RBX: ffffffff8f3c9d40 RCX: ffff88807aff3c00
[ 97.383431][ T5847] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 97.391442][ T5847] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 97.399518][ T5847] R10: dffffc0000000000 R11: fffffbfff1bfaa6c R12: ffff88814bcee800
[ 97.407598][ T5847] R13: ffff88814bcee920 R14: 0000000000000000 R15: dffffc0000000000
[ 97.415713][ T5847] FS: 000055556c475380(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
[ 97.424793][ T5847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 97.431748][ T5847] CR2: 00000000005fdeb8 CR3: 0000000073718000 CR4: 00000000003526f0
[ 97.439813][ T5847] Call Trace:
[ 97.443199][ T5847]
[ 97.446235][ T5847] comedi_device_detach+0x134/0x720
[ 97.451464][ T5847] ? comedi_request_region+0x11a/0x180
[ 97.457036][ T5847] comedi_device_attach+0x568/0x670
[ 97.462355][ T5847] comedi_unlocked_ioctl+0x686/0xfc0
[ 97.467790][ T5847] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 97.473684][ T5847] ? __pfx_smack_log+0x10/0x10
[ 97.478491][ T5847] ? smk_access+0x14c/0x4e0
[ 97.483182][ T5847] ? smk_tskacc+0x2fc/0x370
[ 97.487732][ T5847] ? smack_file_ioctl+0x24a/0x340
[ 97.492842][ T5847] ? __pfx_smack_file_ioctl+0x10/0x10
[ 97.498252][ T5847] ? __pfx_ptrace_notify+0x10/0x10
[ 97.503469][ T5847] ? bpf_lsm_file_ioctl+0x9/0x20
[ 97.508449][ T5847] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 97.514348][ T5847] __se_sys_ioctl+0xfc/0x170
[ 97.518987][ T5847] do_syscall_64+0xfa/0x3b0
[ 97.523698][ T5847] ? lockdep_hardirqs_on+0x9c/0x150
[ 97.528942][ T5847] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 97.535080][ T5847] ? clear_bhb_loop+0x60/0xb0
[ 97.539816][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 97.545817][ T5847] RIP: 0033:0x7ff3df23eb39
[ 97.550276][ T5847] 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
[ 97.569979][ T5847] RSP: 002b:00007ffcd629ae98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 97.578476][ T5847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3df23eb39
[ 97.586527][ T5847] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
[ 97.594586][ T5847] RBP: 00007ff3df2b15f0 R08: 0000000000000006 R09: 0000000000000006
[ 97.602688][ T5847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 97.610694][ T5847] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 97.618752][ T5847]
[ 97.621802][ T5847] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 97.629089][ T5847] CPU: 0 UID: 0 PID: 5847 Comm: syz-executor844 Not tainted 6.16.0-rc7-syzkaller-00140-gec2df4364666 #0 PREEMPT(full)
[ 97.641505][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 97.651568][ T5847] Call Trace:
[ 97.654859][ T5847]
[ 97.657800][ T5847] dump_stack_lvl+0x99/0x250
[ 97.662408][ T5847] ? __asan_memcpy+0x40/0x70
[ 97.667016][ T5847] ? __pfx_dump_stack_lvl+0x10/0x10
[ 97.672230][ T5847] ? __pfx__printk+0x10/0x10
[ 97.676846][ T5847] panic+0x2db/0x790
[ 97.680775][ T5847] ? __pfx_panic+0x10/0x10
[ 97.685216][ T5847] __warn+0x31b/0x4b0
[ 97.689205][ T5847] ? driver_unregister+0x94/0xb0
[ 97.694160][ T5847] ? driver_unregister+0x94/0xb0
[ 97.699123][ T5847] report_bug+0x2be/0x4f0
[ 97.703468][ T5847] ? driver_unregister+0x94/0xb0
[ 97.708421][ T5847] ? driver_unregister+0x94/0xb0
[ 97.713370][ T5847] ? driver_unregister+0x96/0xb0
[ 97.718329][ T5847] handle_bug+0x84/0x160
[ 97.722601][ T5847] exc_invalid_op+0x1a/0x50
[ 97.727139][ T5847] asm_exc_invalid_op+0x1a/0x20
[ 97.732003][ T5847] RIP: 0010:driver_unregister+0x94/0xb0
[ 97.737578][ T5847] Code: da 6b fc 48 89 df 5b 41 5e 41 5f e9 d6 55 ff ff e8 91 f7 d0 fb eb 05 e8 8a f7 d0 fb 90 48 c7 c7 e0 94 08 8c e8 1d e7 94 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 ce 34 7a 05 cc cc cc cc cc cc cc cc
[ 97.757225][ T5847] RSP: 0018:ffffc90003fffa38 EFLAGS: 00010246
[ 97.763318][ T5847] RAX: 77f84967da05cf00 RBX: ffffffff8f3c9d40 RCX: ffff88807aff3c00
[ 97.771303][ T5847] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 97.779285][ T5847] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 97.787267][ T5847] R10: dffffc0000000000 R11: fffffbfff1bfaa6c R12: ffff88814bcee800
[ 97.795255][ T5847] R13: ffff88814bcee920 R14: 0000000000000000 R15: dffffc0000000000
[ 97.803258][ T5847] ? driver_unregister+0x93/0xb0
[ 97.808219][ T5847] comedi_device_detach+0x134/0x720
[ 97.813451][ T5847] ? comedi_request_region+0x11a/0x180
[ 97.818934][ T5847] comedi_device_attach+0x568/0x670
[ 97.824158][ T5847] comedi_unlocked_ioctl+0x686/0xfc0
[ 97.829464][ T5847] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 97.835301][ T5847] ? __pfx_smack_log+0x10/0x10
[ 97.840088][ T5847] ? smk_access+0x14c/0x4e0
[ 97.844618][ T5847] ? smk_tskacc+0x2fc/0x370
[ 97.849150][ T5847] ? smack_file_ioctl+0x24a/0x340
[ 97.854192][ T5847] ? __pfx_smack_file_ioctl+0x10/0x10
[ 97.859584][ T5847] ? __pfx_ptrace_notify+0x10/0x10
[ 97.864722][ T5847] ? bpf_lsm_file_ioctl+0x9/0x20
[ 97.869697][ T5847] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 97.875536][ T5847] __se_sys_ioctl+0xfc/0x170
[ 97.880176][ T5847] do_syscall_64+0xfa/0x3b0
[ 97.884711][ T5847] ? lockdep_hardirqs_on+0x9c/0x150
[ 97.889930][ T5847] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 97.896017][ T5847] ? clear_bhb_loop+0x60/0xb0
[ 97.900734][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 97.906653][ T5847] RIP: 0033:0x7ff3df23eb39
[ 97.911087][ T5847] 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
[ 97.930738][ T5847] RSP: 002b:00007ffcd629ae98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 97.939189][ T5847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3df23eb39
[ 97.947189][ T5847] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
[ 97.955178][ T5847] RBP: 00007ff3df2b15f0 R08: 0000000000000006 R09: 0000000000000006
[ 97.963166][ T5847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 97.971149][ T5847] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 97.979233][ T5847]
[ 97.982596][ T5847] Kernel Offset: disabled
[ 97.986957][ T5847] Rebooting in 86400 seconds..