./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2737978267
<...>
Warning: Permanently added '10.128.1.251' (ED25519) to the list of known hosts.
execve("./syz-executor2737978267", ["./syz-executor2737978267"], 0x7fff5a4497e0 /* 10 vars */) = 0
brk(NULL) = 0x55555e9c3000
brk(0x55555e9c3d00) = 0x55555e9c3d00
arch_prctl(ARCH_SET_FS, 0x55555e9c3380) = 0
set_tid_address(0x55555e9c3650) = 5864
set_robust_list(0x55555e9c3660, 24) = 0
rseq(0x55555e9c3ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2737978267", 4096) = 28
getrandom("\xf7\xf2\xfd\x5c\x4a\x5a\x40\xaa", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555e9c3d00
brk(0x55555e9e4d00) = 0x55555e9e4d00
brk(0x55555e9e5000) = 0x55555e9e5000
mprotect(0x7f3774bcb000, 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/comedi1", O_RDONLY|O_CREAT, 000) = 3
[ 73.013847][ T5864] comedi comedi1: c6xdigio: I/O port conflict (0x6,3)
[ 73.022243][ T5864] ------------[ cut here ]------------
[ 73.027743][ T5864] Unexpected driver unregister!
[ 73.033656][ T5864] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#1: syz-executor273/5864
[ 73.045165][ T5864] Modules linked in:
[ 73.049084][ T5864] CPU: 1 UID: 0 PID: 5864 Comm: syz-executor273 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
[ 73.061026][ T5864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 73.071128][ T5864] RIP: 0010:driver_unregister+0x94/0xb0
[ 73.076698][ T5864] Code: 97 55 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 31 a3 b5 fb eb 05 e8 2a a3 b5 fb 90 48 c7 c7 80 a4 2b 8c e8 4d 47 79 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
[ 73.096410][ T5864] RSP: 0018:ffffc900041d7a40 EFLAGS: 00010246
[ 73.102565][ T5864] RAX: 916735dcab499f00 RBX: ffffffff8f80b300 RCX: ffff88802a789e00
[ 73.110602][ T5864] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 73.118592][ T5864] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 73.126627][ T5864] R10: dffffc0000000000 R11: fffffbfff1c7a1ec R12: ffff88814c78f038
[ 73.134663][ T5864] R13: ffffffff8f80b250 R14: 0000000000000000 R15: dffffc0000000000
[ 73.142787][ T5864] FS: 000055555e9c3380(0000) GS:ffff8881258d6000(0000) knlGS:0000000000000000
[ 73.151803][ T5864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 73.158396][ T5864] CR2: 00000000005fdeb8 CR3: 000000001e738000 CR4: 00000000003526f0
[ 73.166409][ T5864] Call Trace:
[ 73.169739][ T5864]
[ 73.172674][ T5864] comedi_device_detach_locked+0x178/0x750
[ 73.178506][ T5864] comedi_device_attach+0x5d4/0x720
[ 73.183758][ T5864] comedi_unlocked_ioctl+0x5ff/0x1020
[ 73.189162][ T5864] ? rcu_is_watching+0x15/0xb0
[ 73.194012][ T5864] ? lock_release+0x4b/0x3e0
[ 73.198629][ T5864] ? tomoyo_path_number_perm+0x47a/0x5a0
[ 73.204314][ T5864] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 73.210179][ T5864] ? _raw_spin_lock_irq+0xae/0xf0
[ 73.215241][ T5864] ? __pfx_ptrace_notify+0x10/0x10
[ 73.220410][ T5864] ? bpf_lsm_file_ioctl+0x9/0x20
[ 73.225409][ T5864] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 73.231274][ T5864] __se_sys_ioctl+0xfc/0x170
[ 73.235902][ T5864] do_syscall_64+0xfa/0x3b0
[ 73.240456][ T5864] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 73.246558][ T5864] ? clear_bhb_loop+0x60/0xb0
[ 73.251291][ T5864] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 73.257239][ T5864] RIP: 0033:0x7f3774b583e9
[ 73.261713][ T5864] 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
[ 73.281375][ T5864] RSP: 002b:00007ffc931edc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 73.289840][ T5864] RAX: ffffffffffffffda RBX: 00007ffc931eddf8 RCX: 00007f3774b583e9
[ 73.297839][ T5864] RDX: 0000200000000740 RSI: 0000000040946400 RDI: 0000000000000003
[ 73.306032][ T5864] RBP: 00007f3774bcb610 R08: 0000000000000000 R09: 00007ffc931eddf8
[ 73.314067][ T5864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 73.322090][ T5864] R13: 00007ffc931edde8 R14: 0000000000000001 R15: 0000000000000001
[ 73.330138][ T5864]
[ 73.333180][ T5864] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 73.340468][ T5864] CPU: 1 UID: 0 PID: 5864 Comm: syz-executor273 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
[ 73.352382][ T5864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 73.362450][ T5864] Call Trace:
[ 73.365753][ T5864]
[ 73.368701][ T5864] dump_stack_lvl+0x99/0x250
[ 73.373332][ T5864] ? __asan_memcpy+0x40/0x70
[ 73.377944][ T5864] ? __pfx_dump_stack_lvl+0x10/0x10
[ 73.383244][ T5864] ? __pfx__printk+0x10/0x10
[ 73.387940][ T5864] vpanic+0x281/0x750
[ 73.391935][ T5864] ? __pfx_vpanic+0x10/0x10
[ 73.396452][ T5864] ? is_bpf_text_address+0x292/0x2b0
[ 73.401743][ T5864] ? is_bpf_text_address+0x26/0x2b0
[ 73.406948][ T5864] panic+0xb9/0xc0
[ 73.410681][ T5864] ? __pfx_panic+0x10/0x10
[ 73.415120][ T5864] __warn+0x334/0x4c0
[ 73.419108][ T5864] ? driver_unregister+0x94/0xb0
[ 73.424082][ T5864] ? driver_unregister+0x94/0xb0
[ 73.429048][ T5864] report_bug+0x2be/0x4f0
[ 73.433387][ T5864] ? driver_unregister+0x94/0xb0
[ 73.438347][ T5864] ? driver_unregister+0x94/0xb0
[ 73.443304][ T5864] ? driver_unregister+0x96/0xb0
[ 73.448345][ T5864] handle_bug+0x84/0x160
[ 73.452599][ T5864] exc_invalid_op+0x1a/0x50
[ 73.457113][ T5864] asm_exc_invalid_op+0x1a/0x20
[ 73.461970][ T5864] RIP: 0010:driver_unregister+0x94/0xb0
[ 73.467537][ T5864] Code: 97 55 fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 31 a3 b5 fb eb 05 e8 2a a3 b5 fb 90 48 c7 c7 80 a4 2b 8c e8 4d 47 79 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
[ 73.487397][ T5864] RSP: 0018:ffffc900041d7a40 EFLAGS: 00010246
[ 73.493529][ T5864] RAX: 916735dcab499f00 RBX: ffffffff8f80b300 RCX: ffff88802a789e00
[ 73.501514][ T5864] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 73.509490][ T5864] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 73.517473][ T5864] R10: dffffc0000000000 R11: fffffbfff1c7a1ec R12: ffff88814c78f038
[ 73.525712][ T5864] R13: ffffffff8f80b250 R14: 0000000000000000 R15: dffffc0000000000
[ 73.533697][ T5864] comedi_device_detach_locked+0x178/0x750
[ 73.539519][ T5864] comedi_device_attach+0x5d4/0x720
[ 73.544724][ T5864] comedi_unlocked_ioctl+0x5ff/0x1020
[ 73.550197][ T5864] ? rcu_is_watching+0x15/0xb0
[ 73.554968][ T5864] ? lock_release+0x4b/0x3e0
[ 73.559561][ T5864] ? tomoyo_path_number_perm+0x47a/0x5a0
[ 73.565198][ T5864] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 73.571023][ T5864] ? _raw_spin_lock_irq+0xae/0xf0
[ 73.576074][ T5864] ? __pfx_ptrace_notify+0x10/0x10
[ 73.581198][ T5864] ? bpf_lsm_file_ioctl+0x9/0x20
[ 73.586151][ T5864] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 73.591973][ T5864] __se_sys_ioctl+0xfc/0x170
[ 73.596571][ T5864] do_syscall_64+0xfa/0x3b0
[ 73.601085][ T5864] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 73.607181][ T5864] ? clear_bhb_loop+0x60/0xb0
[ 73.611863][ T5864] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 73.617759][ T5864] RIP: 0033:0x7f3774b583e9
[ 73.622179][ T5864] 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
[ 73.641792][ T5864] RSP: 002b:00007ffc931edc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 73.650300][ T5864] RAX: ffffffffffffffda RBX: 00007ffc931eddf8 RCX: 00007f3774b583e9
[ 73.658272][ T5864] RDX: 0000200000000740 RSI: 0000000040946400 RDI: 0000000000000003
[ 73.666248][ T5864] RBP: 00007f3774bcb610 R08: 0000000000000000 R09: 00007ffc931eddf8
[ 73.674222][ T5864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 73.682193][ T5864] R13: 00007ffc931edde8 R14: 0000000000000001 R15: 0000000000000001
[ 73.690172][ T5864]
[ 73.693535][ T5864] Kernel Offset: disabled
[ 73.697858][ T5864] Rebooting in 86400 seconds..