./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor188816622
<...>
Warning: Permanently added '10.128.0.81' (ED25519) to the list of known hosts.
execve("./syz-executor188816622", ["./syz-executor188816622"], 0x7ffdc94e5060 /* 10 vars */) = 0
brk(NULL) = 0x555583095000
brk(0x555583095d00) = 0x555583095d00
arch_prctl(ARCH_SET_FS, 0x555583095380) = 0
set_tid_address(0x555583095650) = 5863
set_robust_list(0x555583095660, 24) = 0
rseq(0x555583095ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor188816622", 4096) = 27
getrandom("\xa6\xf5\x8a\xe8\xa7\x6b\x6a\x88", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555583095d00
brk(0x5555830b6d00) = 0x5555830b6d00
brk(0x5555830b7000) = 0x5555830b7000
mprotect(0x7fed9d51d000, 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
write(1, "executing program\n", 18executing program
) = 18
openat(AT_FDCWD, "/dev/comedi3", O_RDONLY|O_APPEND) = 3
[ 71.592167][ T5863] comedi comedi3: c6xdigio: I/O port conflict (0x3,3)
[ 71.599087][ T5863] ------------[ cut here ]------------
[ 71.604561][ T5863] Unexpected driver unregister!
[ 71.610133][ T5863] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#0: syz-executor188/5863
[ 71.620729][ T5863] Modules linked in:
[ 71.624668][ T5863] CPU: 0 UID: 0 PID: 5863 Comm: syz-executor188 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
[ 71.637016][ T5863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 71.647178][ T5863] RIP: 0010:driver_unregister+0x94/0xb0
[ 71.652808][ T5863] 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
[ 71.672537][ T5863] RSP: 0018:ffffc90003fd7a40 EFLAGS: 00010246
[ 71.678632][ T5863] RAX: 6843c37fd0f9e200 RBX: ffffffff8f80b300 RCX: ffff8880291f3c00
[ 71.686669][ T5863] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 71.694719][ T5863] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 71.702754][ T5863] R10: dffffc0000000000 R11: fffffbfff1c7a1ec R12: ffff88814c96f838
[ 71.710789][ T5863] R13: ffffffff8f80b250 R14: 0000000000000000 R15: dffffc0000000000
[ 71.718792][ T5863] FS: 0000555583095380(0000) GS:ffff8881257d6000(0000) knlGS:0000000000000000
[ 71.727795][ T5863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.734555][ T5863] CR2: 00000000005fdeb8 CR3: 0000000073258000 CR4: 00000000003526f0
[ 71.742606][ T5863] Call Trace:
[ 71.745914][ T5863]
[ 71.748940][ T5863] comedi_device_detach_locked+0x178/0x750
[ 71.754897][ T5863] comedi_device_attach+0x5d4/0x720
[ 71.760172][ T5863] comedi_unlocked_ioctl+0x5ff/0x1020
[ 71.765614][ T5863] ? rcu_is_watching+0x15/0xb0
[ 71.770596][ T5863] ? lock_release+0x4b/0x3e0
[ 71.775217][ T5863] ? tomoyo_path_number_perm+0x47a/0x5a0
[ 71.780915][ T5863] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 71.786778][ T5863] ? _raw_spin_lock_irq+0xae/0xf0
[ 71.791910][ T5863] ? __pfx_ptrace_notify+0x10/0x10
[ 71.797057][ T5863] ? bpf_lsm_file_ioctl+0x9/0x20
[ 71.802058][ T5863] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 71.807909][ T5863] __se_sys_ioctl+0xfc/0x170
[ 71.812561][ T5863] do_syscall_64+0xfa/0x3b0
[ 71.817090][ T5863] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.823204][ T5863] ? clear_bhb_loop+0x60/0xb0
[ 71.827908][ T5863] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.833975][ T5863] RIP: 0033:0x7fed9d4aa3e9
[ 71.838423][ T5863] 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
[ 71.858086][ T5863] RSP: 002b:00007fffa10acba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 71.866563][ T5863] RAX: ffffffffffffffda RBX: 00007fffa10acd78 RCX: 00007fed9d4aa3e9
[ 71.874592][ T5863] RDX: 0000200000000200 RSI: 0000000040946400 RDI: 0000000000000003
[ 71.882629][ T5863] RBP: 00007fed9d51d610 R08: 0000000000000000 R09: 00007fffa10acd78
[ 71.890675][ T5863] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 71.898680][ T5863] R13: 00007fffa10acd68 R14: 0000000000000001 R15: 0000000000000001
[ 71.906810][ T5863]
[ 71.909919][ T5863] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 71.917650][ T5863] CPU: 0 UID: 0 PID: 5863 Comm: syz-executor188 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
[ 71.929548][ T5863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 71.939687][ T5863] Call Trace:
[ 71.942990][ T5863]
[ 71.945930][ T5863] dump_stack_lvl+0x99/0x250
[ 71.950530][ T5863] ? __asan_memcpy+0x40/0x70
[ 71.955207][ T5863] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.960428][ T5863] ? __pfx__printk+0x10/0x10
[ 71.965034][ T5863] vpanic+0x281/0x750
[ 71.969036][ T5863] ? __pfx_vpanic+0x10/0x10
[ 71.973550][ T5863] ? is_bpf_text_address+0x292/0x2b0
[ 71.978840][ T5863] ? is_bpf_text_address+0x26/0x2b0
[ 71.984040][ T5863] panic+0xb9/0xc0
[ 71.987861][ T5863] ? __pfx_panic+0x10/0x10
[ 71.992278][ T5863] __warn+0x334/0x4c0
[ 71.996257][ T5863] ? driver_unregister+0x94/0xb0
[ 72.001203][ T5863] ? driver_unregister+0x94/0xb0
[ 72.006179][ T5863] report_bug+0x2be/0x4f0
[ 72.010532][ T5863] ? driver_unregister+0x94/0xb0
[ 72.015474][ T5863] ? driver_unregister+0x94/0xb0
[ 72.020428][ T5863] ? driver_unregister+0x96/0xb0
[ 72.025386][ T5863] handle_bug+0x84/0x160
[ 72.029628][ T5863] exc_invalid_op+0x1a/0x50
[ 72.034135][ T5863] asm_exc_invalid_op+0x1a/0x20
[ 72.039009][ T5863] RIP: 0010:driver_unregister+0x94/0xb0
[ 72.044592][ T5863] 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
[ 72.064487][ T5863] RSP: 0018:ffffc90003fd7a40 EFLAGS: 00010246
[ 72.070580][ T5863] RAX: 6843c37fd0f9e200 RBX: ffffffff8f80b300 RCX: ffff8880291f3c00
[ 72.078552][ T5863] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 72.086600][ T5863] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 72.094655][ T5863] R10: dffffc0000000000 R11: fffffbfff1c7a1ec R12: ffff88814c96f838
[ 72.102624][ T5863] R13: ffffffff8f80b250 R14: 0000000000000000 R15: dffffc0000000000
[ 72.110600][ T5863] comedi_device_detach_locked+0x178/0x750
[ 72.116411][ T5863] comedi_device_attach+0x5d4/0x720
[ 72.121607][ T5863] comedi_unlocked_ioctl+0x5ff/0x1020
[ 72.126981][ T5863] ? rcu_is_watching+0x15/0xb0
[ 72.131746][ T5863] ? lock_release+0x4b/0x3e0
[ 72.136332][ T5863] ? tomoyo_path_number_perm+0x47a/0x5a0
[ 72.141964][ T5863] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 72.147781][ T5863] ? _raw_spin_lock_irq+0xae/0xf0
[ 72.152820][ T5863] ? __pfx_ptrace_notify+0x10/0x10
[ 72.157949][ T5863] ? bpf_lsm_file_ioctl+0x9/0x20
[ 72.162891][ T5863] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 72.168712][ T5863] __se_sys_ioctl+0xfc/0x170
[ 72.173305][ T5863] do_syscall_64+0xfa/0x3b0
[ 72.177805][ T5863] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.183864][ T5863] ? clear_bhb_loop+0x60/0xb0
[ 72.188539][ T5863] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.194425][ T5863] RIP: 0033:0x7fed9d4aa3e9
[ 72.198865][ T5863] 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
[ 72.218464][ T5863] RSP: 002b:00007fffa10acba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 72.226890][ T5863] RAX: ffffffffffffffda RBX: 00007fffa10acd78 RCX: 00007fed9d4aa3e9
[ 72.234876][ T5863] RDX: 0000200000000200 RSI: 0000000040946400 RDI: 0000000000000003
[ 72.242855][ T5863] RBP: 00007fed9d51d610 R08: 0000000000000000 R09: 00007fffa10acd78
[ 72.250821][ T5863] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 72.258803][ T5863] R13: 00007fffa10acd68 R14: 0000000000000001 R15: 0000000000000001
[ 72.266782][ T5863]
[ 72.270179][ T5863] Kernel Offset: disabled
[ 72.274511][ T5863] Rebooting in 86400 seconds..