./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3565693489
<...>
Warning: Permanently added '10.128.1.23' (ED25519) to the list of known hosts.
execve("./syz-executor3565693489", ["./syz-executor3565693489"], 0x7fff9b793990 /* 10 vars */) = 0
brk(NULL) = 0x555586895000
brk(0x555586895d00) = 0x555586895d00
arch_prctl(ARCH_SET_FS, 0x555586895380) = 0
set_tid_address(0x555586895650) = 5864
set_robust_list(0x555586895660, 24) = 0
rseq(0x555586895ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3565693489", 4096) = 28
getrandom("\x9f\x19\x0d\x6d\xf0\x36\x8a\x28", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555586895d00
brk(0x5555868b6d00) = 0x5555868b6d00
brk(0x5555868b7000) = 0x5555868b7000
mprotect(0x7fd228340000, 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/comedi0", O_RDONLY|O_EXCL|O_LARGEFILE) = 3
[ 54.448182][ T5864] comedi comedi0: c6xdigio: I/O port conflict (0x5,3)
[ 54.455181][ T5864] ------------[ cut here ]------------
[ 54.460614][ T5864] Unexpected driver unregister!
[ 54.465879][ T5864] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#0: syz-executor356/5864
[ 54.476403][ T5864] Modules linked in:
[ 54.480278][ T5864] CPU: 0 UID: 0 PID: 5864 Comm: syz-executor356 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
[ 54.492203][ T5864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 54.502295][ T5864] RIP: 0010:driver_unregister+0x94/0xb0
[ 54.507897][ 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
[ 54.527528][ T5864] RSP: 0018:ffffc90003f87a40 EFLAGS: 00010246
[ 54.533615][ T5864] RAX: 7d7c91d7bee53900 RBX: ffffffff8f80b300 RCX: ffff8880611b5a00
[ 54.541580][ T5864] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 54.549574][ T5864] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 54.557552][ T5864] R10: dffffc0000000000 R11: fffffbfff1c7a1ec R12: ffff88814c877838
[ 54.565584][ T5864] R13: ffffffff8f80b250 R14: 0000000000000000 R15: dffffc0000000000
[ 54.573567][ T5864] FS: 0000555586895380(0000) GS:ffff8881257d6000(0000) knlGS:0000000000000000
[ 54.582516][ T5864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.589086][ T5864] CR2: 00000000005fdeb8 CR3: 000000007f33a000 CR4: 00000000003526f0
[ 54.597060][ T5864] Call Trace:
[ 54.600327][ T5864]
[ 54.603278][ T5864] comedi_device_detach_locked+0x178/0x750
[ 54.609096][ T5864] comedi_device_attach+0x5d4/0x720
[ 54.614307][ T5864] comedi_unlocked_ioctl+0x5ff/0x1020
[ 54.619673][ T5864] ? rcu_is_watching+0x15/0xb0
[ 54.624459][ T5864] ? lock_release+0x4b/0x3e0
[ 54.629037][ T5864] ? tomoyo_path_number_perm+0x47a/0x5a0
[ 54.634670][ T5864] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 54.640472][ T5864] ? _raw_spin_lock_irq+0xae/0xf0
[ 54.645540][ T5864] ? __pfx_ptrace_notify+0x10/0x10
[ 54.650646][ T5864] ? bpf_lsm_file_ioctl+0x9/0x20
[ 54.655616][ T5864] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 54.661418][ T5864] __se_sys_ioctl+0xfc/0x170
[ 54.666037][ T5864] do_syscall_64+0xfa/0x3b0
[ 54.670539][ T5864] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 54.676638][ T5864] ? clear_bhb_loop+0x60/0xb0
[ 54.681319][ T5864] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 54.687226][ T5864] RIP: 0033:0x7fd2282cd3e9
[ 54.691640][ 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
[ 54.711257][ T5864] RSP: 002b:00007ffc73151ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 54.719681][ T5864] RAX: ffffffffffffffda RBX: 00007ffc73151d78 RCX: 00007fd2282cd3e9
[ 54.727672][ T5864] RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
[ 54.735650][ T5864] RBP: 00007fd228340610 R08: 0000000000000000 R09: 00007ffc73151d78
[ 54.743637][ T5864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 54.751596][ T5864] R13: 00007ffc73151d68 R14: 0000000000000001 R15: 0000000000000001
[ 54.759571][ T5864]
[ 54.762612][ T5864] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 54.769892][ T5864] CPU: 0 UID: 0 PID: 5864 Comm: syz-executor356 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
[ 54.781770][ T5864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 54.791804][ T5864] Call Trace:
[ 54.795065][ T5864]
[ 54.797977][ T5864] dump_stack_lvl+0x99/0x250
[ 54.802556][ T5864] ? __asan_memcpy+0x40/0x70
[ 54.807133][ T5864] ? __pfx_dump_stack_lvl+0x10/0x10
[ 54.812328][ T5864] ? __pfx__printk+0x10/0x10
[ 54.816909][ T5864] vpanic+0x281/0x750
[ 54.820877][ T5864] ? __pfx_vpanic+0x10/0x10
[ 54.825361][ T5864] ? is_bpf_text_address+0x292/0x2b0
[ 54.830627][ T5864] ? is_bpf_text_address+0x26/0x2b0
[ 54.835808][ T5864] panic+0xb9/0xc0
[ 54.839513][ T5864] ? __pfx_panic+0x10/0x10
[ 54.843915][ T5864] __warn+0x334/0x4c0
[ 54.847877][ T5864] ? driver_unregister+0x94/0xb0
[ 54.852799][ T5864] ? driver_unregister+0x94/0xb0
[ 54.857722][ T5864] report_bug+0x2be/0x4f0
[ 54.862032][ T5864] ? driver_unregister+0x94/0xb0
[ 54.866951][ T5864] ? driver_unregister+0x94/0xb0
[ 54.871869][ T5864] ? driver_unregister+0x96/0xb0
[ 54.876791][ T5864] handle_bug+0x84/0x160
[ 54.881017][ T5864] exc_invalid_op+0x1a/0x50
[ 54.885501][ T5864] asm_exc_invalid_op+0x1a/0x20
[ 54.890333][ T5864] RIP: 0010:driver_unregister+0x94/0xb0
[ 54.895865][ 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
[ 54.915448][ T5864] RSP: 0018:ffffc90003f87a40 EFLAGS: 00010246
[ 54.921494][ T5864] RAX: 7d7c91d7bee53900 RBX: ffffffff8f80b300 RCX: ffff8880611b5a00
[ 54.929443][ T5864] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 54.937391][ T5864] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
[ 54.945341][ T5864] R10: dffffc0000000000 R11: fffffbfff1c7a1ec R12: ffff88814c877838
[ 54.953290][ T5864] R13: ffffffff8f80b250 R14: 0000000000000000 R15: dffffc0000000000
[ 54.961247][ T5864] comedi_device_detach_locked+0x178/0x750
[ 54.967037][ T5864] comedi_device_attach+0x5d4/0x720
[ 54.972217][ T5864] comedi_unlocked_ioctl+0x5ff/0x1020
[ 54.977572][ T5864] ? rcu_is_watching+0x15/0xb0
[ 54.982317][ T5864] ? lock_release+0x4b/0x3e0
[ 54.986887][ T5864] ? tomoyo_path_number_perm+0x47a/0x5a0
[ 54.992498][ T5864] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 54.998292][ T5864] ? _raw_spin_lock_irq+0xae/0xf0
[ 55.003307][ T5864] ? __pfx_ptrace_notify+0x10/0x10
[ 55.008403][ T5864] ? bpf_lsm_file_ioctl+0x9/0x20
[ 55.013322][ T5864] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 55.019107][ T5864] __se_sys_ioctl+0xfc/0x170
[ 55.023678][ T5864] do_syscall_64+0xfa/0x3b0
[ 55.028164][ T5864] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 55.034213][ T5864] ? clear_bhb_loop+0x60/0xb0
[ 55.038871][ T5864] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 55.044743][ T5864] RIP: 0033:0x7fd2282cd3e9
[ 55.049139][ 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
[ 55.068721][ T5864] RSP: 002b:00007ffc73151ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 55.077120][ T5864] RAX: ffffffffffffffda RBX: 00007ffc73151d78 RCX: 00007fd2282cd3e9
[ 55.085070][ T5864] RDX: 0000200000000540 RSI: 0000000040946400 RDI: 0000000000000003
[ 55.093020][ T5864] RBP: 00007fd228340610 R08: 0000000000000000 R09: 00007ffc73151d78
[ 55.100970][ T5864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 55.108920][ T5864] R13: 00007ffc73151d68 R14: 0000000000000001 R15: 0000000000000001
[ 55.116880][ T5864]
[ 55.120147][ T5864] Kernel Offset: disabled
[ 55.124448][ T5864] Rebooting in 86400 seconds..