Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. syzkaller login: [ 33.113979] audit: type=1400 audit(1602567619.715:8): avc: denied { execmem } for pid=6343 comm="syz-executor645" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 33.134949] IPVS: ftp: loaded support on port[0] = 21 [ 33.194908] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 33.202672] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.210399] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.219160] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program executing program [ 33.254841] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 33.264177] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.272293] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.279778] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 33.304167] ------------[ cut here ]------------ [ 33.309051] WARNING: CPU: 0 PID: 6385 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 33.318014] Kernel panic - not syncing: panic_on_warn set ... [ 33.318014] [ 33.325357] CPU: 0 PID: 6385 Comm: syz-executor645 Not tainted 4.14.198-syzkaller #0 [ 33.333213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.342645] Call Trace: [ 33.345234] dump_stack+0x1b2/0x283 [ 33.348856] panic+0x1f9/0x42d [ 33.355626] ? add_taint.cold+0x16/0x16 [ 33.359724] ? cfg80211_connect+0x1856/0x2120 [ 33.364401] ? cfg80211_connect+0x1856/0x2120 [ 33.368968] __warn.cold+0x20/0x4b [ 33.372488] ? ist_end_non_atomic+0x10/0x10 [ 33.376786] ? cfg80211_connect+0x1856/0x2120 [ 33.381270] report_bug+0x208/0x249 [ 33.385031] do_error_trap+0x195/0x2d0 [ 33.388902] ? math_error+0x2d0/0x2d0 [ 33.392684] ? __lock_acquire+0x5fc/0x3f20 [ 33.396909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.401735] invalid_op+0x1b/0x40 [ 33.405167] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 33.410242] RSP: 0018:ffff888087267448 EFLAGS: 00010297 [ 33.415598] RAX: ffff8880973d2180 RBX: ffff88809874d290 RCX: 0000000000000000 [ 33.422855] RDX: 0000000000000000 RSI: ffff88809e6d90a6 RDI: ffffffff874b1b38 [ 33.430162] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed10130e9a72 [ 33.437425] R10: ffff88809874d395 R11: ffff8880973d2180 R12: ffff8880872675c0 [ 33.447719] R13: ffffffff874b1a00 R14: ffff88809874d3b8 R15: ffff88809874d390 [ 33.454990] ? cfg80211_connect+0x1856/0x2120 [ 33.459470] ? trace_hardirqs_on+0x10/0x10 [ 33.463825] ? memset+0x20/0x40 [ 33.467091] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 33.472185] ? nl80211_crypto_settings+0x3a5/0x960 [ 33.477094] ? ieee80211_get_channel+0xed/0x150 [ 33.481758] nl80211_connect+0x1379/0x1cd0 [ 33.486084] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 33.491514] ? lock_acquire+0x170/0x3f0 [ 33.497214] ? nl80211_pre_doit+0x2d9/0x510 [ 33.501534] ? nl80211_pre_doit+0x79/0x510 [ 33.505839] genl_family_rcv_msg+0x572/0xb20 [ 33.510226] ? genl_rcv+0x40/0x40 [ 33.513654] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 33.519084] ? trace_hardirqs_on+0x10/0x10 [ 33.523296] ? sock_sendmsg+0xb5/0x100 [ 33.527181] genl_rcv_msg+0xaf/0x140 [ 33.530959] netlink_rcv_skb+0x125/0x390 [ 33.535083] ? genl_family_rcv_msg+0xb20/0xb20 [ 33.539645] ? netlink_ack+0x9a0/0x9a0 [ 33.543510] ? lock_acquire+0x170/0x3f0 [ 33.547644] genl_rcv+0x24/0x40 [ 33.550899] netlink_unicast+0x437/0x610 [ 33.555028] ? netlink_sendskb+0xd0/0xd0 [ 33.559065] netlink_sendmsg+0x62e/0xb80 [ 33.563102] ? nlmsg_notify+0x170/0x170 [ 33.567061] ? kernel_recvmsg+0x210/0x210 [ 33.571186] ? security_socket_sendmsg+0x83/0xb0 [ 33.575917] ? nlmsg_notify+0x170/0x170 [ 33.579867] sock_sendmsg+0xb5/0x100 [ 33.583570] ___sys_sendmsg+0x6c8/0x800 [ 33.587521] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 33.592354] ? dev_ioctl+0xe7/0xbe0 [ 33.595954] ? dev_ifsioc+0x7d0/0x7d0 [ 33.599732] ? __dentry_kill+0x3f7/0x550 [ 33.603767] ? trace_hardirqs_on+0x10/0x10 [ 33.607980] ? sock_ioctl+0x16c/0x4c0 [ 33.611751] ? sock_release+0x1e0/0x1e0 [ 33.615699] ? __fdget+0x167/0x1f0 [ 33.619228] ? sockfd_lookup_light+0xb2/0x160 [ 33.623708] __sys_sendmsg+0xa3/0x120 [ 33.627574] ? SyS_shutdown+0x160/0x160 [ 33.631612] ? security_file_ioctl+0x83/0xb0 [ 33.636026] SyS_sendmsg+0x27/0x40 [ 33.639537] ? __sys_sendmsg+0x120/0x120 [ 33.643573] do_syscall_64+0x1d5/0x640 [ 33.647437] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.652613] RIP: 0033:0x442139 [ 33.655953] RSP: 002b:00007ffd30e2e468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.663653] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 33.670899] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 33.678146] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 33.685403] R10: 0000001300000000 R11: 0000000000000246 R12: 0000000000008218 [ 33.692660] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 33.701656] Kernel Offset: disabled [ 33.705337] Rebooting in 86400 seconds..