./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3597560766
<...>
Warning: Permanently added '10.128.0.22' (ED25519) to the list of known hosts.
execve("./syz-executor3597560766", ["./syz-executor3597560766"], 0x7ffffc59fe50 /* 10 vars */) = 0
brk(NULL) = 0x555569641000
brk(0x555569641d00) = 0x555569641d00
arch_prctl(ARCH_SET_FS, 0x555569641380) = 0
set_tid_address(0x555569641650) = 5862
set_robust_list(0x555569641660, 24) = 0
rseq(0x555569641ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3597560766", 4096) = 28
getrandom("\x9b\x62\x6a\xee\xb0\xf7\x3b\x7c", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555569641d00
brk(0x555569662d00) = 0x555569662d00
brk(0x555569663000) = 0x555569663000
mprotect(0x7fe2579f0000, 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
[ 70.166603][ T5862] comedi comedi1: c6xdigio: I/O port conflict (0x6,3)
[ 70.173516][ T5862] ------------[ cut here ]------------
[ 70.178988][ T5862] Unexpected driver unregister!
[ 70.184590][ T5862] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#1: syz-executor359/5862
[ 70.195186][ T5862] Modules linked in:
[ 70.199095][ T5862] CPU: 1 UID: 0 PID: 5862 Comm: syz-executor359 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
[ 70.211135][ T5862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 70.221249][ T5862] RIP: 0010:driver_unregister+0x94/0xb0
[ 70.226867][ T5862] Code: b5 5b fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 b1 b3 bc fb eb 05 e8 aa b3 bc fb 90 48 c7 c7 80 17 0a 8c e8 cd 57 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
[ 70.246707][ T5862] RSP: 0018:ffffc90003f1fa40 EFLAGS: 00010246
[ 70.252921][ T5862] RAX: b0273193754f1d00 RBX: ffffffff8f3f8840 RCX: ffff88802fd65a00
[ 70.260919][ T5862] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 70.268959][ T5862] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 70.276981][ T5862] R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffff88802f0e9038
[ 70.285056][ T5862] R13: ffffffff8f3f8790 R14: 0000000000000000 R15: dffffc0000000000
[ 70.293068][ T5862] FS: 0000555569641380(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
[ 70.301992][ T5862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 70.308657][ T5862] CR2: 000055b8377d4000 CR3: 0000000075406000 CR4: 00000000003526f0
[ 70.316676][ T5862] Call Trace:
[ 70.320003][ T5862]
[ 70.323008][ T5862] comedi_device_detach_locked+0x178/0x750
[ 70.328851][ T5862] comedi_device_attach+0x5d4/0x720
[ 70.334202][ T5862] comedi_unlocked_ioctl+0x5ff/0x1020
[ 70.339609][ T5862] ? rcu_is_watching+0x15/0xb0
[ 70.344424][ T5862] ? lock_release+0x4b/0x3e0
[ 70.349043][ T5862] ? tomoyo_path_number_perm+0x47a/0x5a0
[ 70.354727][ T5862] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 70.360561][ T5862] ? _raw_spin_lock_irq+0xae/0xf0
[ 70.365772][ T5862] ? __pfx_ptrace_notify+0x10/0x10
[ 70.370919][ T5862] ? bpf_lsm_file_ioctl+0x9/0x20
[ 70.375928][ T5862] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 70.381767][ T5862] __se_sys_ioctl+0xf9/0x170
[ 70.386439][ T5862] do_syscall_64+0xfa/0x3b0
[ 70.390962][ T5862] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.397097][ T5862] ? clear_bhb_loop+0x60/0xb0
[ 70.401800][ T5862] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.407751][ T5862] RIP: 0033:0x7fe25797d3e9
[ 70.412234][ T5862] 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
[ 70.431908][ T5862] RSP: 002b:00007ffe288c1868 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 70.440384][ T5862] RAX: ffffffffffffffda RBX: 00007ffe288c1a38 RCX: 00007fe25797d3e9
[ 70.448463][ T5862] RDX: 0000200000000740 RSI: 0000000040946400 RDI: 0000000000000003
[ 70.456483][ T5862] RBP: 00007fe2579f0610 R08: 0000000000000000 R09: 00007ffe288c1a38
[ 70.464514][ T5862] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 70.472549][ T5862] R13: 00007ffe288c1a28 R14: 0000000000000001 R15: 0000000000000001
[ 70.480550][ T5862]
[ 70.483624][ T5862] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 70.490938][ T5862] CPU: 1 UID: 0 PID: 5862 Comm: syz-executor359 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
[ 70.502824][ T5862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 70.512923][ T5862] Call Trace:
[ 70.516224][ T5862]
[ 70.519153][ T5862] dump_stack_lvl+0x99/0x250
[ 70.523741][ T5862] ? __asan_memcpy+0x40/0x70
[ 70.528326][ T5862] ? __pfx_dump_stack_lvl+0x10/0x10
[ 70.533533][ T5862] ? __pfx__printk+0x10/0x10
[ 70.538179][ T5862] vpanic+0x281/0x750
[ 70.542171][ T5862] ? __pfx_vpanic+0x10/0x10
[ 70.546678][ T5862] ? is_bpf_text_address+0x292/0x2b0
[ 70.551969][ T5862] ? is_bpf_text_address+0x26/0x2b0
[ 70.557195][ T5862] panic+0xb9/0xc0
[ 70.560941][ T5862] ? __pfx_panic+0x10/0x10
[ 70.565385][ T5862] __warn+0x334/0x4c0
[ 70.569367][ T5862] ? driver_unregister+0x94/0xb0
[ 70.574310][ T5862] ? driver_unregister+0x94/0xb0
[ 70.579244][ T5862] report_bug+0x2be/0x4f0
[ 70.583599][ T5862] ? driver_unregister+0x94/0xb0
[ 70.588539][ T5862] ? driver_unregister+0x94/0xb0
[ 70.593478][ T5862] ? driver_unregister+0x96/0xb0
[ 70.598431][ T5862] handle_bug+0x84/0x160
[ 70.602671][ T5862] exc_invalid_op+0x1a/0x50
[ 70.607174][ T5862] asm_exc_invalid_op+0x1a/0x20
[ 70.612033][ T5862] RIP: 0010:driver_unregister+0x94/0xb0
[ 70.617583][ T5862] Code: b5 5b fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 b1 b3 bc fb eb 05 e8 aa b3 bc fb 90 48 c7 c7 80 17 0a 8c e8 cd 57 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
[ 70.637182][ T5862] RSP: 0018:ffffc90003f1fa40 EFLAGS: 00010246
[ 70.643246][ T5862] RAX: b0273193754f1d00 RBX: ffffffff8f3f8840 RCX: ffff88802fd65a00
[ 70.651224][ T5862] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 70.659188][ T5862] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 70.667154][ T5862] R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffff88802f0e9038
[ 70.675121][ T5862] R13: ffffffff8f3f8790 R14: 0000000000000000 R15: dffffc0000000000
[ 70.683179][ T5862] comedi_device_detach_locked+0x178/0x750
[ 70.689142][ T5862] comedi_device_attach+0x5d4/0x720
[ 70.694357][ T5862] comedi_unlocked_ioctl+0x5ff/0x1020
[ 70.699744][ T5862] ? rcu_is_watching+0x15/0xb0
[ 70.704508][ T5862] ? lock_release+0x4b/0x3e0
[ 70.709105][ T5862] ? tomoyo_path_number_perm+0x47a/0x5a0
[ 70.714765][ T5862] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 70.720576][ T5862] ? _raw_spin_lock_irq+0xae/0xf0
[ 70.725629][ T5862] ? __pfx_ptrace_notify+0x10/0x10
[ 70.730736][ T5862] ? bpf_lsm_file_ioctl+0x9/0x20
[ 70.735673][ T5862] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 70.741491][ T5862] __se_sys_ioctl+0xf9/0x170
[ 70.746099][ T5862] do_syscall_64+0xfa/0x3b0
[ 70.750632][ T5862] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.756690][ T5862] ? clear_bhb_loop+0x60/0xb0
[ 70.761361][ T5862] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.767249][ T5862] RIP: 0033:0x7fe25797d3e9
[ 70.771676][ T5862] 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
[ 70.791284][ T5862] RSP: 002b:00007ffe288c1868 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 70.799712][ T5862] RAX: ffffffffffffffda RBX: 00007ffe288c1a38 RCX: 00007fe25797d3e9
[ 70.807715][ T5862] RDX: 0000200000000740 RSI: 0000000040946400 RDI: 0000000000000003
[ 70.815691][ T5862] RBP: 00007fe2579f0610 R08: 0000000000000000 R09: 00007ffe288c1a38
[ 70.823662][ T5862] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 70.831634][ T5862] R13: 00007ffe288c1a28 R14: 0000000000000001 R15: 0000000000000001
[ 70.839609][ T5862]
[ 70.842842][ T5862] Kernel Offset: disabled
[ 70.847163][ T5862] Rebooting in 86400 seconds..