./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor665857902
<...>
[ 91.911559][ T3092] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts.
execve("./syz-executor665857902", ["./syz-executor665857902"], 0x7ffda694c4e0 /* 10 vars */) = 0
brk(NULL) = 0x55555c018000
brk(0x55555c018d00) = 0x55555c018d00
arch_prctl(ARCH_SET_FS, 0x55555c018380) = 0
set_tid_address(0x55555c018650) = 5849
set_robust_list(0x55555c018660, 24) = 0
rseq(0x55555c018ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor665857902", 4096) = 27
getrandom("\xe9\x6d\x82\xf4\x0c\x22\x96\xca", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555c018d00
brk(0x55555c039d00) = 0x55555c039d00
brk(0x55555c03a000) = 0x55555c03a000
mprotect(0x7f7ce0760000, 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
executing program
write(1, "executing program\n", 18) = 18
openat(AT_FDCWD, "/dev/comedi0", O_WRONLY|O_SYNC) = 3
[ 94.688423][ T5849] comedi comedi0: c6xdigio: a I/O base address must be specified
[ 94.696535][ T5849] ------------[ cut here ]------------
[ 94.702057][ T5849] Unexpected driver unregister!
[ 94.707917][ T5849] WARNING: CPU: 0 PID: 5849 at drivers/base/driver.c:273 driver_unregister+0x94/0xb0
[ 94.717462][ T5849] Modules linked in:
[ 94.721446][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor665 Not tainted 6.16.0-rc7-syzkaller-00140-gec2df4364666 #0 PREEMPT(full)
[ 94.733966][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 94.744098][ T5849] RIP: 0010:driver_unregister+0x94/0xb0
[ 94.749709][ T5849] 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
[ 94.769463][ T5849] RSP: 0018:ffffc900041bfa38 EFLAGS: 00010246
[ 94.775729][ T5849] RAX: b8ca0ad4ee46db00 RBX: ffffffff8f3c9d40 RCX: ffff88807dd13c00
[ 94.783817][ T5849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 94.791826][ T5849] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 94.799897][ T5849] R10: dffffc0000000000 R11: fffffbfff1bfaa6c R12: ffff88802f7ad000
[ 94.807971][ T5849] R13: ffff88802f7ad120 R14: 0000000000000000 R15: dffffc0000000000
[ 94.816102][ T5849] FS: 000055555c018380(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
[ 94.825112][ T5849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 94.831705][ T5849] CR2: 00000000005fdeb8 CR3: 0000000074e58000 CR4: 00000000003526f0
[ 94.839744][ T5849] Call Trace:
[ 94.843061][ T5849]
[ 94.846096][ T5849] comedi_device_detach+0x134/0x720
[ 94.851378][ T5849] ? comedi_request_region+0x11a/0x180
[ 94.856923][ T5849] comedi_device_attach+0x568/0x670
[ 94.862167][ T5849] comedi_unlocked_ioctl+0x686/0xfc0
[ 94.867556][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 94.873427][ T5849] ? __pfx_smack_log+0x10/0x10
[ 94.878331][ T5849] ? smk_access+0x14c/0x4e0
[ 94.882891][ T5849] ? smk_tskacc+0x2fc/0x370
[ 94.887476][ T5849] ? smack_file_ioctl+0x24a/0x340
[ 94.892537][ T5849] ? __pfx_smack_file_ioctl+0x10/0x10
[ 94.898103][ T5849] ? __pfx_ptrace_notify+0x10/0x10
[ 94.903268][ T5849] ? bpf_lsm_file_ioctl+0x9/0x20
[ 94.908299][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 94.914181][ T5849] __se_sys_ioctl+0xfc/0x170
[ 94.918804][ T5849] do_syscall_64+0xfa/0x3b0
[ 94.923326][ T5849] ? lockdep_hardirqs_on+0x9c/0x150
[ 94.928625][ T5849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.934775][ T5849] ? clear_bhb_loop+0x60/0xb0
[ 94.939600][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.945662][ T5849] RIP: 0033:0x7f7ce06ed3e9
[ 94.950227][ T5849] 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
[ 94.969935][ T5849] RSP: 002b:00007ffe2dd5a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 94.978426][ T5849] RAX: ffffffffffffffda RBX: 00007ffe2dd5a738 RCX: 00007f7ce06ed3e9
[ 94.986468][ T5849] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
[ 94.994543][ T5849] RBP: 00007f7ce0760610 R08: 0000000000000000 R09: 00007ffe2dd5a738
[ 95.004214][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 95.013036][ T5849] R13: 00007ffe2dd5a728 R14: 0000000000000001 R15: 0000000000000001
[ 95.021153][ T5849]
[ 95.024234][ T5849] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 95.031553][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor665 Not tainted 6.16.0-rc7-syzkaller-00140-gec2df4364666 #0 PREEMPT(full)
[ 95.044145][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 95.054226][ T5849] Call Trace:
[ 95.057529][ T5849]
[ 95.060486][ T5849] dump_stack_lvl+0x99/0x250
[ 95.065100][ T5849] ? __asan_memcpy+0x40/0x70
[ 95.069717][ T5849] ? __pfx_dump_stack_lvl+0x10/0x10
[ 95.074929][ T5849] ? __pfx__printk+0x10/0x10
[ 95.079551][ T5849] panic+0x2db/0x790
[ 95.083476][ T5849] ? __pfx_panic+0x10/0x10
[ 95.087916][ T5849] __warn+0x31b/0x4b0
[ 95.091919][ T5849] ? driver_unregister+0x94/0xb0
[ 95.096868][ T5849] ? driver_unregister+0x94/0xb0
[ 95.101814][ T5849] report_bug+0x2be/0x4f0
[ 95.106163][ T5849] ? driver_unregister+0x94/0xb0
[ 95.111105][ T5849] ? driver_unregister+0x94/0xb0
[ 95.116046][ T5849] ? driver_unregister+0x96/0xb0
[ 95.120989][ T5849] handle_bug+0x84/0x160
[ 95.125336][ T5849] exc_invalid_op+0x1a/0x50
[ 95.129862][ T5849] asm_exc_invalid_op+0x1a/0x20
[ 95.134738][ T5849] RIP: 0010:driver_unregister+0x94/0xb0
[ 95.140329][ T5849] 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
[ 95.160176][ T5849] RSP: 0018:ffffc900041bfa38 EFLAGS: 00010246
[ 95.166271][ T5849] RAX: b8ca0ad4ee46db00 RBX: ffffffff8f3c9d40 RCX: ffff88807dd13c00
[ 95.174257][ T5849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 95.182240][ T5849] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 95.190316][ T5849] R10: dffffc0000000000 R11: fffffbfff1bfaa6c R12: ffff88802f7ad000
[ 95.198305][ T5849] R13: ffff88802f7ad120 R14: 0000000000000000 R15: dffffc0000000000
[ 95.206306][ T5849] ? driver_unregister+0x93/0xb0
[ 95.211374][ T5849] comedi_device_detach+0x134/0x720
[ 95.216617][ T5849] ? comedi_request_region+0x11a/0x180
[ 95.222109][ T5849] comedi_device_attach+0x568/0x670
[ 95.227404][ T5849] comedi_unlocked_ioctl+0x686/0xfc0
[ 95.232753][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 95.238614][ T5849] ? __pfx_smack_log+0x10/0x10
[ 95.243410][ T5849] ? smk_access+0x14c/0x4e0
[ 95.247945][ T5849] ? smk_tskacc+0x2fc/0x370
[ 95.252476][ T5849] ? smack_file_ioctl+0x24a/0x340
[ 95.257527][ T5849] ? __pfx_smack_file_ioctl+0x10/0x10
[ 95.263092][ T5849] ? __pfx_ptrace_notify+0x10/0x10
[ 95.268231][ T5849] ? bpf_lsm_file_ioctl+0x9/0x20
[ 95.273212][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 95.279048][ T5849] __se_sys_ioctl+0xfc/0x170
[ 95.283705][ T5849] do_syscall_64+0xfa/0x3b0
[ 95.288235][ T5849] ? lockdep_hardirqs_on+0x9c/0x150
[ 95.293493][ T5849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.299606][ T5849] ? clear_bhb_loop+0x60/0xb0
[ 95.304320][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.310259][ T5849] RIP: 0033:0x7f7ce06ed3e9
[ 95.314700][ T5849] 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
[ 95.334327][ T5849] RSP: 002b:00007ffe2dd5a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 95.342759][ T5849] RAX: ffffffffffffffda RBX: 00007ffe2dd5a738 RCX: 00007f7ce06ed3e9
[ 95.350744][ T5849] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
[ 95.358743][ T5849] RBP: 00007f7ce0760610 R08: 0000000000000000 R09: 00007ffe2dd5a738
[ 95.366750][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 95.374837][ T5849] R13: 00007ffe2dd5a728 R14: 0000000000000001 R15: 0000000000000001
[ 95.382850][ T5849]
[ 95.386200][ T5849] Kernel Offset: disabled
[ 95.390559][ T5849] Rebooting in 86400 seconds..