[ 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 '10.128.1.28' (ECDSA) to the list of known hosts. syzkaller login: [ 34.271717] audit: type=1400 audit(1602560604.420:8): avc: denied { execmem } for pid=6368 comm="syz-executor912" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 34.293848] IPVS: ftp: loaded support on port[0] = 21 [ 34.343663] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 34.369957] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.377195] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program [ 34.403663] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 34.413220] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 34.420076] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.427238] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.434582] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 34.457876] ------------[ cut here ]------------ [ 34.462698] WARNING: CPU: 1 PID: 6410 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 34.471443] Kernel panic - not syncing: panic_on_warn set ... [ 34.471443] [ 34.479745] CPU: 1 PID: 6410 Comm: syz-executor912 Not tainted 4.14.198-syzkaller #0 [ 34.487710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.497057] Call Trace: [ 34.499643] dump_stack+0x1b2/0x283 [ 34.503250] panic+0x1f9/0x42d [ 34.506437] ? add_taint.cold+0x16/0x16 [ 34.510390] ? cfg80211_connect+0x1856/0x2120 [ 34.514864] ? cfg80211_connect+0x1856/0x2120 [ 34.519352] __warn.cold+0x20/0x4b [ 34.522870] ? ist_end_non_atomic+0x10/0x10 [ 34.527195] ? cfg80211_connect+0x1856/0x2120 [ 34.531668] report_bug+0x208/0x249 [ 34.535273] do_error_trap+0x195/0x2d0 [ 34.539134] ? math_error+0x2d0/0x2d0 [ 34.542915] ? __lock_acquire+0x5fc/0x3f20 [ 34.547144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.552103] invalid_op+0x1b/0x40 [ 34.555550] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 34.560632] RSP: 0018:ffff88809742f448 EFLAGS: 00010297 [ 34.566176] RAX: ffff888097ad6580 RBX: ffff88808b87d550 RCX: 0000000000000000 [ 34.573446] RDX: 0000000000000000 RSI: ffff8880a608f0e6 RDI: ffffffff874b1b38 [ 34.580698] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed101170faca [ 34.587949] R10: ffff88808b87d655 R11: ffff888097ad6580 R12: ffff88809742f5c0 [ 34.595199] R13: ffffffff874b1a00 R14: ffff88808b87d678 R15: ffff88808b87d650 [ 34.602467] ? cfg80211_connect+0x1856/0x2120 [ 34.606946] ? trace_hardirqs_on+0x10/0x10 [ 34.611161] ? memset+0x20/0x40 [ 34.614439] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 34.619539] ? nl80211_crypto_settings+0x3a5/0x960 [ 34.624445] ? ieee80211_get_channel+0xed/0x150 [ 34.629098] nl80211_connect+0x1379/0x1cd0 [ 34.633321] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 34.638754] ? lock_acquire+0x170/0x3f0 [ 34.642723] ? nl80211_pre_doit+0x2d9/0x510 [ 34.647053] ? nl80211_pre_doit+0x79/0x510 [ 34.651266] genl_family_rcv_msg+0x572/0xb20 [ 34.655654] ? genl_rcv+0x40/0x40 [ 34.659090] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 34.664520] ? trace_hardirqs_on+0x10/0x10 [ 34.668732] ? sock_sendmsg+0xb5/0x100 [ 34.672600] genl_rcv_msg+0xaf/0x140 [ 34.676307] netlink_rcv_skb+0x125/0x390 [ 34.680347] ? genl_family_rcv_msg+0xb20/0xb20 [ 34.684923] ? netlink_ack+0x9a0/0x9a0 [ 34.688799] ? lock_acquire+0x170/0x3f0 [ 34.692758] genl_rcv+0x24/0x40 [ 34.696028] netlink_unicast+0x437/0x610 [ 34.700083] ? netlink_sendskb+0xd0/0xd0 [ 34.704122] netlink_sendmsg+0x62e/0xb80 [ 34.708161] ? nlmsg_notify+0x170/0x170 [ 34.712117] ? kernel_recvmsg+0x210/0x210 [ 34.716423] ? security_socket_sendmsg+0x83/0xb0 [ 34.721284] ? nlmsg_notify+0x170/0x170 [ 34.725245] sock_sendmsg+0xb5/0x100 [ 34.728941] ___sys_sendmsg+0x6c8/0x800 [ 34.732921] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 34.737659] ? dev_ioctl+0xe7/0xbe0 [ 34.741264] ? dev_ifsioc+0x7d0/0x7d0 [ 34.745043] ? __dentry_kill+0x3f7/0x550 [ 34.749084] ? trace_hardirqs_on+0x10/0x10 [ 34.753302] ? sock_ioctl+0x16c/0x4c0 [ 34.757080] ? sock_release+0x1e0/0x1e0 [ 34.761046] ? __fdget+0x167/0x1f0 [ 34.764573] ? sockfd_lookup_light+0xb2/0x160 [ 34.769088] __sys_sendmsg+0xa3/0x120 [ 34.772876] ? SyS_shutdown+0x160/0x160 [ 34.776843] ? security_file_ioctl+0x83/0xb0 [ 34.781264] SyS_sendmsg+0x27/0x40 [ 34.784815] ? __sys_sendmsg+0x120/0x120 [ 34.788858] do_syscall_64+0x1d5/0x640 [ 34.792734] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.797901] RIP: 0033:0x442139 [ 34.801068] RSP: 002b:00007fffba8de4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.808772] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 34.816104] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 34.823370] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 34.830623] R10: 0000001300000000 R11: 0000000000000246 R12: 00000000000086ad [ 34.837884] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 34.846644] Kernel Offset: disabled [ 34.850334] Rebooting in 86400 seconds..