[ 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 '10.128.0.45' (ECDSA) to the list of known hosts. syzkaller login: [ 35.788101] IPVS: ftp: loaded support on port[0] = 21 [ 35.839756] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 35.847971] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.855686] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.875277] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 35.882776] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 35.889532] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.896642] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.918612] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.935107] ------------[ cut here ]------------ [ 35.940492] WARNING: CPU: 1 PID: 8004 at net/mac80211/ieee80211_i.h:1408 sta_info_alloc+0x1299/0x16e0 [ 35.949871] Kernel panic - not syncing: panic_on_warn set ... [ 35.949871] [ 35.957228] CPU: 1 PID: 8004 Comm: syz-executor100 Not tainted 4.14.202-syzkaller #0 [ 35.965098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.974468] Call Trace: [ 35.977036] dump_stack+0x1b2/0x283 [ 35.980644] panic+0x1f9/0x42d [ 35.983839] ? add_taint.cold+0x16/0x16 [ 35.987883] ? sta_info_alloc+0x1299/0x16e0 [ 35.992193] ? sta_info_alloc+0x1299/0x16e0 [ 35.996486] __warn.cold+0x20/0x4b [ 36.000000] ? ist_end_non_atomic+0x10/0x10 [ 36.004310] ? sta_info_alloc+0x1299/0x16e0 [ 36.008619] report_bug+0x208/0x249 [ 36.012229] do_error_trap+0x195/0x2d0 [ 36.016099] ? math_error+0x2d0/0x2d0 [ 36.019882] ? trace_hardirqs_on+0x10/0x10 [ 36.024114] ? fs_reclaim_release+0xd0/0x110 [ 36.028518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.033357] invalid_op+0x1b/0x40 [ 36.036793] RIP: 0010:sta_info_alloc+0x1299/0x16e0 [ 36.041694] RSP: 0018:ffff8880954b75d8 EFLAGS: 00010297 [ 36.047034] RAX: ffff88809b778140 RBX: 0000000000000000 RCX: 0000000000000000 [ 36.054291] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000282 [ 36.061650] RBP: ffff8880a1df10e0 R08: 0000000000000000 R09: 0000000000020012 [ 36.068899] R10: ffff88809b778a40 R11: ffff88809b778140 R12: ffff8880b17a6980 [ 36.076147] R13: ffff8880b2ee9640 R14: ffff8880b17a6f08 R15: ffff8880b17a6d90 [ 36.083411] ? sta_info_alloc+0x1299/0x16e0 [ 36.087711] ? nl80211_parse_sta_wme+0x268/0x380 [ 36.092447] ieee80211_add_station+0x223/0x550 [ 36.097008] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 36.102447] nl80211_new_station+0xb4e/0x1290 [ 36.106918] ? get_vlan+0x280/0x280 [ 36.110523] ? lock_downgrade+0x740/0x740 [ 36.114650] ? nl80211_pre_doit+0x79/0x510 [ 36.118890] genl_family_rcv_msg+0x572/0xb20 [ 36.123277] ? genl_rcv+0x40/0x40 [ 36.126704] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 36.132133] ? trace_hardirqs_on+0x10/0x10 [ 36.136357] ? sock_sendmsg+0xb5/0x100 [ 36.140234] genl_rcv_msg+0xaf/0x140 [ 36.144886] netlink_rcv_skb+0x125/0x390 [ 36.148929] ? genl_family_rcv_msg+0xb20/0xb20 [ 36.153493] ? netlink_ack+0x9a0/0x9a0 [ 36.157367] ? lock_acquire+0x170/0x3f0 [ 36.161344] genl_rcv+0x24/0x40 [ 36.164604] netlink_unicast+0x437/0x610 [ 36.168647] ? netlink_sendskb+0xd0/0xd0 [ 36.172689] ? __check_object_size+0x179/0x22c [ 36.177247] netlink_sendmsg+0x62e/0xb80 [ 36.181290] ? nlmsg_notify+0x170/0x170 [ 36.185256] ? kernel_recvmsg+0x210/0x210 [ 36.189392] ? security_socket_sendmsg+0x83/0xb0 [ 36.194130] ? nlmsg_notify+0x170/0x170 [ 36.198164] sock_sendmsg+0xb5/0x100 [ 36.201862] ___sys_sendmsg+0x6c8/0x800 [ 36.205841] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 36.210591] ? __lock_acquire+0x5fc/0x3f20 [ 36.214828] ? __dentry_kill+0x3f7/0x550 [ 36.218906] ? trace_hardirqs_on+0x10/0x10 [ 36.223126] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 36.228559] ? dentry_free+0xc6/0x120 [ 36.232360] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.237355] ? kmem_cache_free+0x23a/0x2b0 [ 36.241581] ? mntput_no_expire+0xc7/0x910 [ 36.245796] ? lock_acquire+0x170/0x3f0 [ 36.249766] ? __fdget+0x167/0x1f0 [ 36.253285] ? sockfd_lookup_light+0xb2/0x160 [ 36.257765] __sys_sendmsg+0xa3/0x120 [ 36.261544] ? SyS_shutdown+0x160/0x160 [ 36.265617] SyS_sendmsg+0x27/0x40 [ 36.269154] ? __sys_sendmsg+0x120/0x120 [ 36.273202] do_syscall_64+0x1d5/0x640 [ 36.277091] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.282260] RIP: 0033:0x441979 [ 36.285447] RSP: 002b:00007ffdbebae048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.293149] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441979 [ 36.300413] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000005 [ 36.307685] RBP: 000000306e616c77 R08: 0000000000000000 R09: 0000001300000000 [ 36.314933] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 36.322183] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 36.330540] Kernel Offset: disabled [ 36.334242] Rebooting in 86400 seconds..