[ 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 '10.128.0.120' (ECDSA) to the list of known hosts. syzkaller login: [ 31.500894] IPVS: ftp: loaded support on port[0] = 21 [ 31.557147] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 31.574640] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.581818] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program [ 31.607513] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 31.620133] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 31.628812] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.636269] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.643024] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 31.663953] ------------[ cut here ]------------ [ 31.668807] WARNING: CPU: 1 PID: 8023 at net/mac80211/cfg.c:3391 ieee80211_probe_client+0x657/0x751 [ 31.677976] Kernel panic - not syncing: panic_on_warn set ... [ 31.677976] [ 31.685323] CPU: 1 PID: 8023 Comm: syz-executor841 Not tainted 4.14.202-syzkaller #0 [ 31.693182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.702527] Call Trace: [ 31.705106] dump_stack+0x1b2/0x283 [ 31.708713] panic+0x1f9/0x42d [ 31.711892] ? add_taint.cold+0x16/0x16 [ 31.715843] ? ieee80211_probe_client+0x657/0x751 [ 31.720672] ? ieee80211_probe_client+0x657/0x751 [ 31.725491] __warn.cold+0x20/0x4b [ 31.729008] ? ist_end_non_atomic+0x10/0x10 [ 31.733327] ? ieee80211_probe_client+0x657/0x751 [ 31.738160] report_bug+0x208/0x249 [ 31.741763] do_error_trap+0x195/0x2d0 [ 31.745625] ? math_error+0x2d0/0x2d0 [ 31.749399] ? trace_hardirqs_on+0x10/0x10 [ 31.753606] ? ieee80211_probe_client+0x69/0x751 [ 31.758336] ? __mutex_lock+0x360/0x1310 [ 31.762372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.767208] invalid_op+0x1b/0x40 [ 31.770637] RIP: 0010:ieee80211_probe_client+0x657/0x751 [ 31.776058] RSP: 0018:ffff8880b2d1f670 EFLAGS: 00010297 [ 31.781394] RAX: ffff8880b199c540 RBX: ffff8880b2fe8d00 RCX: 0000000000000000 [ 31.788665] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000282 [ 31.795922] RBP: ffff88809896d820 R08: 0000000000000000 R09: 0000000000020012 [ 31.803164] R10: ffff8880b199ce68 R11: ffff8880b199c540 R12: ffff8880a2a68fe0 [ 31.810436] R13: 0000000000000000 R14: ffff88809896d81c R15: ffff8880a2a68a00 [ 31.817702] nl80211_probe_client+0x348/0xb80 [ 31.822187] ? nl80211_stop_ap+0x70/0x70 [ 31.826225] ? nl80211_pre_doit+0x79/0x510 [ 31.830450] genl_family_rcv_msg+0x572/0xb20 [ 31.834838] ? genl_rcv+0x40/0x40 [ 31.838271] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 31.843700] ? trace_hardirqs_on+0x10/0x10 [ 31.847908] ? sock_sendmsg+0xb5/0x100 [ 31.851773] genl_rcv_msg+0xaf/0x140 [ 31.855478] netlink_rcv_skb+0x125/0x390 [ 31.859525] ? genl_family_rcv_msg+0xb20/0xb20 [ 31.864095] ? netlink_ack+0x9a0/0x9a0 [ 31.867968] ? lock_acquire+0x170/0x3f0 [ 31.871918] genl_rcv+0x24/0x40 [ 31.875170] netlink_unicast+0x437/0x610 [ 31.879206] ? netlink_sendskb+0xd0/0xd0 [ 31.883240] ? __check_object_size+0x179/0x22c [ 31.887811] netlink_sendmsg+0x62e/0xb80 [ 31.891847] ? nlmsg_notify+0x170/0x170 [ 31.895793] ? kernel_recvmsg+0x210/0x210 [ 31.899929] ? security_socket_sendmsg+0x83/0xb0 [ 31.904656] ? nlmsg_notify+0x170/0x170 [ 31.908611] sock_sendmsg+0xb5/0x100 [ 31.912300] ___sys_sendmsg+0x6c8/0x800 [ 31.916268] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 31.921000] ? trace_hardirqs_on+0x10/0x10 [ 31.925209] ? trace_hardirqs_on+0x10/0x10 [ 31.929437] ? apparmor_file_alloc_security+0x129/0x800 [ 31.934788] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 31.940231] ? __lockdep_init_map+0x100/0x560 [ 31.944707] ? __fd_install+0x1ec/0x5c0 [ 31.948660] ? lock_acquire+0x170/0x3f0 [ 31.952612] ? lock_downgrade+0x740/0x740 [ 31.956758] ? __fdget+0x167/0x1f0 [ 31.960297] ? sockfd_lookup_light+0xb2/0x160 [ 31.964790] __sys_sendmsg+0xa3/0x120 [ 31.968572] ? SyS_shutdown+0x160/0x160 [ 31.972529] ? move_addr_to_kernel+0x60/0x60 [ 31.976921] SyS_sendmsg+0x27/0x40 [ 31.980452] ? __sys_sendmsg+0x120/0x120 [ 31.984507] do_syscall_64+0x1d5/0x640 [ 31.988946] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.994118] RIP: 0033:0x442169 [ 31.997290] RSP: 002b:00007fff479d5358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.004972] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442169 [ 32.012225] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 [ 32.019476] RBP: 000000306e616c77 R08: 0000001300000000 R09: 0000001300000000 [ 32.026722] R10: 0000001300000000 R11: 0000000000000246 R12: 0000000000007bbc [ 32.033967] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 32.042142] Kernel Offset: disabled [ 32.045803] Rebooting in 86400 seconds..