[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 29.800598] pm_qos_remove_request() called for unknown object [ 29.807923] ------------[ cut here ]------------ [ 29.812712] WARNING: CPU: 0 PID: 8772 at kernel/power/qos.c:534 pm_qos_remove_request.cold+0x11/0x18 [ 29.821989] Kernel panic - not syncing: panic_on_warn set ... [ 29.821989] [ 29.829361] CPU: 0 PID: 8772 Comm: syz-executor949 Not tainted 4.14.209-syzkaller #0 [ 29.837336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.846699] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.849300] dump_stack+0x1b2/0x283 [ 29.852941] panic+0x1f9/0x42d [ 29.856146] ? add_taint.cold+0x16/0x16 [ 29.860132] ? pm_qos_remove_request.cold+0x11/0x18 [ 29.865160] ? pm_qos_remove_request.cold+0x11/0x18 [ 29.870186] __warn.cold+0x20/0x4b [ 29.873737] ? ist_end_non_atomic+0x10/0x10 [ 29.878073] ? pm_qos_remove_request.cold+0x11/0x18 [ 29.883100] report_bug+0x208/0x249 [ 29.886746] do_error_trap+0x195/0x2d0 [ 29.890650] ? math_error+0x2d0/0x2d0 [ 29.894461] ? ___preempt_schedule+0x16/0x18 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.898887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.903748] invalid_op+0x1b/0x40 [ 29.907215] RIP: 0010:pm_qos_remove_request.cold+0x11/0x18 [ 29.912840] RSP: 0018:ffff888093dd7c58 EFLAGS: 00010282 [ 29.918216] RAX: 0000000000000031 RBX: ffff8880a54c2e00 RCX: 0000000000000000 [ 29.925491] RDX: 0000000000000000 RSI: ffffffff878bbac0 RDI: ffffed10127baf81 [ 29.932766] RBP: ffff888235a8d240 R08: 0000000000000031 R09: 0000000000000000 [ 29.940044] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff110127baf99 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.947326] R13: 0000000000004112 R14: ffff888235a8d268 R15: 0000000000000000 [ 29.954627] ? pm_qos_remove_request.cold+0x11/0x18 [ 29.959783] snd_pcm_common_ioctl+0x12da/0x2990 [ 29.964472] ? lock_downgrade+0x740/0x740 [ 29.968634] ? snd_pcm_status_user+0x120/0x120 [ 29.973421] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 29.978537] ? debug_check_no_obj_freed+0x2c0/0x674 [ 29.983566] snd_pcm_ioctl+0x6d/0xa0 [ 29.987420] ? snd_pcm_common_ioctl+0x2990/0x2990 [ 29.992271] do_vfs_ioctl+0x75a/0xff0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.996084] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.001677] ? ioctl_preallocate+0x1a0/0x1a0 [ 30.006097] ? kmem_cache_free+0x23a/0x2b0 [ 30.010344] ? putname+0xcd/0x110 [ 30.013810] ? do_sys_open+0x208/0x410 [ 30.017707] ? filp_open+0x60/0x60 [ 30.021393] ? security_file_ioctl+0x83/0xb0 [ 30.025813] SyS_ioctl+0x7f/0xb0 [ 30.029201] ? do_vfs_ioctl+0xff0/0xff0 [ 30.033312] do_syscall_64+0x1d5/0x640 [ 30.037219] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.042587] RIP: 0033:0x4450e9 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.045928] RSP: 002b:00007ffe56ed3b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 30.053648] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004450e9 [ 30.061201] RDX: 0000000000000000 RSI: 0000000000004112 RDI: 0000000000000004 [ 30.068483] RBP: 0000000000007469 R08: 00000000004002e0 R09: 00000000004002e0 [ 30.075763] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000402200 [ 30.083047] R13: 0000000000402290 R14: 0000000000000000 R15: 0000000000000000 [ 30.091304] Kernel Offset: disabled [ 30.095251] Rebooting in 86400 seconds..