Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. syzkaller login: [ 34.977423] audit: type=1400 audit(1602592019.444:8): avc: denied { execmem } for pid=6362 comm="syz-executor618" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 34.999616] IPVS: ftp: loaded support on port[0] = 21 [ 35.065570] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 35.083692] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.090918] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.098673] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program executing program [ 35.135237] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 35.141511] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.149089] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.156631] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.180736] ------------[ cut here ]------------ [ 35.185582] WARNING: CPU: 1 PID: 6405 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 35.194316] Kernel panic - not syncing: panic_on_warn set ... [ 35.194316] [ 35.201657] CPU: 1 PID: 6405 Comm: syz-executor618 Not tainted 4.14.198-syzkaller #0 [ 35.209510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.218839] Call Trace: [ 35.221412] dump_stack+0x1b2/0x283 [ 35.225018] panic+0x1f9/0x42d [ 35.228217] ? add_taint.cold+0x16/0x16 [ 35.232171] ? cfg80211_connect+0x1856/0x2120 [ 35.236647] ? cfg80211_connect+0x1856/0x2120 [ 35.241222] __warn.cold+0x20/0x4b [ 35.244739] ? ist_end_non_atomic+0x10/0x10 [ 35.249038] ? cfg80211_connect+0x1856/0x2120 [ 35.253508] report_bug+0x208/0x249 [ 35.257115] do_error_trap+0x195/0x2d0 [ 35.260989] ? math_error+0x2d0/0x2d0 [ 35.264781] ? __lock_acquire+0x5fc/0x3f20 [ 35.269019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.273843] invalid_op+0x1b/0x40 [ 35.277271] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 35.282346] RSP: 0018:ffff888096fcf448 EFLAGS: 00010297 [ 35.287686] RAX: ffff888097bcc000 RBX: ffff88809779d6d0 RCX: 0000000000000000 [ 35.294974] RDX: 0000000000000000 RSI: ffff88809ae62866 RDI: ffffffff874b1b38 [ 35.302367] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1012ef3afa [ 35.309609] R10: ffff88809779d7d5 R11: ffff888097bcc000 R12: ffff888096fcf5c0 [ 35.316852] R13: ffffffff874b1a00 R14: ffff88809779d7f8 R15: ffff88809779d7d0 [ 35.324116] ? cfg80211_connect+0x1856/0x2120 [ 35.328588] ? trace_hardirqs_on+0x10/0x10 [ 35.332799] ? memset+0x20/0x40 [ 35.336051] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 35.341128] ? nl80211_crypto_settings+0x3a5/0x960 [ 35.346032] ? ieee80211_get_channel+0xed/0x150 [ 35.350689] nl80211_connect+0x1379/0x1cd0 [ 35.354903] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 35.360339] ? lock_acquire+0x170/0x3f0 [ 35.364293] ? nl80211_pre_doit+0x2d9/0x510 [ 35.368603] ? nl80211_pre_doit+0x79/0x510 [ 35.372827] genl_family_rcv_msg+0x572/0xb20 [ 35.377215] ? genl_rcv+0x40/0x40 [ 35.380644] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 35.386073] ? trace_hardirqs_on+0x10/0x10 [ 35.390282] ? sock_sendmsg+0xb5/0x100 [ 35.394151] genl_rcv_msg+0xaf/0x140 [ 35.397841] netlink_rcv_skb+0x125/0x390 [ 35.401876] ? genl_family_rcv_msg+0xb20/0xb20 [ 35.406431] ? netlink_ack+0x9a0/0x9a0 [ 35.410304] ? lock_acquire+0x170/0x3f0 [ 35.414258] genl_rcv+0x24/0x40 [ 35.417512] netlink_unicast+0x437/0x610 [ 35.421548] ? netlink_sendskb+0xd0/0xd0 [ 35.425583] netlink_sendmsg+0x62e/0xb80 [ 35.429617] ? nlmsg_notify+0x170/0x170 [ 35.433575] ? kernel_recvmsg+0x210/0x210 [ 35.437698] ? security_socket_sendmsg+0x83/0xb0 [ 35.442429] ? nlmsg_notify+0x170/0x170 [ 35.446376] sock_sendmsg+0xb5/0x100 [ 35.450062] ___sys_sendmsg+0x6c8/0x800 [ 35.454008] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 35.458740] ? dev_ioctl+0xe7/0xbe0 [ 35.462339] ? dev_ifsioc+0x7d0/0x7d0 [ 35.466126] ? __dentry_kill+0x3f7/0x550 [ 35.470158] ? trace_hardirqs_on+0x10/0x10 [ 35.474367] ? sock_ioctl+0x16c/0x4c0 [ 35.478139] ? sock_release+0x1e0/0x1e0 [ 35.482086] ? __fdget+0x167/0x1f0 [ 35.485599] ? sockfd_lookup_light+0xb2/0x160 [ 35.490063] __sys_sendmsg+0xa3/0x120 [ 35.493837] ? SyS_shutdown+0x160/0x160 [ 35.497799] ? security_file_ioctl+0x83/0xb0 [ 35.502192] SyS_sendmsg+0x27/0x40 [ 35.505701] ? __sys_sendmsg+0x120/0x120 [ 35.509735] do_syscall_64+0x1d5/0x640 [ 35.513597] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.518759] RIP: 0033:0x442139 [ 35.521932] RSP: 002b:00007ffd270e29b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.529613] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 35.536855] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 35.544097] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 35.551349] R10: 0000001300000000 R11: 0000000000000246 R12: 0000000000008970 [ 35.558662] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 35.567290] Kernel Offset: disabled [ 35.570958] Rebooting in 86400 seconds..