Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. syzkaller login: [ 33.629389] audit: type=1400 audit(1601556085.636:8): avc: denied { execmem } for pid=6342 comm="syz-executor362" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 33.651190] IPVS: ftp: loaded support on port[0] = 21 [ 33.709503] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 33.721701] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.737648] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program [ 33.756822] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 33.771457] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 33.777862] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.785361] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.792263] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 33.820436] ------------[ cut here ]------------ [ 33.825272] WARNING: CPU: 1 PID: 6385 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 33.834005] Kernel panic - not syncing: panic_on_warn set ... [ 33.834005] [ 33.841341] CPU: 1 PID: 6385 Comm: syz-executor362 Not tainted 4.14.198-syzkaller #0 [ 33.849195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.858520] Call Trace: [ 33.861085] dump_stack+0x1b2/0x283 [ 33.864704] panic+0x1f9/0x42d [ 33.867880] ? add_taint.cold+0x16/0x16 [ 33.871829] ? cfg80211_connect+0x1856/0x2120 [ 33.876298] ? cfg80211_connect+0x1856/0x2120 [ 33.880764] __warn.cold+0x20/0x4b [ 33.884276] ? ist_end_non_atomic+0x10/0x10 [ 33.888569] ? cfg80211_connect+0x1856/0x2120 [ 33.893038] report_bug+0x208/0x249 [ 33.896640] do_error_trap+0x195/0x2d0 [ 33.900550] ? math_error+0x2d0/0x2d0 [ 33.904329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.909146] invalid_op+0x1b/0x40 [ 33.912577] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 33.917655] RSP: 0018:ffff88808543f448 EFLAGS: 00010297 [ 33.922989] RAX: ffff888096cfe2c0 RBX: ffff88808c3b63d0 RCX: 0000000000000000 [ 33.930230] RDX: 0000000000000000 RSI: ffff88809f91e026 RDI: ffffffff874b1b38 [ 33.937477] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1011876c9a [ 33.944722] R10: ffff88808c3b64d5 R11: ffff888096cfe2c0 R12: ffff88808543f5c0 [ 33.951964] R13: ffffffff874b1a00 R14: ffff88808c3b64f8 R15: ffff88808c3b64d0 [ 33.959219] ? cfg80211_connect+0x1856/0x2120 [ 33.963691] ? trace_hardirqs_on+0x10/0x10 [ 33.967899] ? memset+0x20/0x40 [ 33.971149] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 33.976224] ? nl80211_crypto_settings+0x3a5/0x960 [ 33.981128] ? ieee80211_get_channel+0xed/0x150 [ 33.985771] nl80211_connect+0x1379/0x1cd0 [ 33.989980] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 33.995402] ? lock_acquire+0x170/0x3f0 [ 33.999347] ? nl80211_pre_doit+0x2d9/0x510 [ 34.003655] ? nl80211_pre_doit+0x79/0x510 [ 34.007898] genl_family_rcv_msg+0x572/0xb20 [ 34.012278] ? genl_rcv+0x40/0x40 [ 34.015707] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 34.021131] ? trace_hardirqs_on+0x10/0x10 [ 34.025345] ? sock_sendmsg+0xb5/0x100 [ 34.029209] genl_rcv_msg+0xaf/0x140 [ 34.032900] netlink_rcv_skb+0x125/0x390 [ 34.036932] ? genl_family_rcv_msg+0xb20/0xb20 [ 34.041501] ? netlink_ack+0x9a0/0x9a0 [ 34.045362] ? lock_acquire+0x170/0x3f0 [ 34.049315] genl_rcv+0x24/0x40 [ 34.052567] netlink_unicast+0x437/0x610 [ 34.056612] ? netlink_sendskb+0xd0/0xd0 [ 34.060646] netlink_sendmsg+0x62e/0xb80 [ 34.064683] ? nlmsg_notify+0x170/0x170 [ 34.068627] ? kernel_recvmsg+0x210/0x210 [ 34.072749] ? security_socket_sendmsg+0x83/0xb0 [ 34.077475] ? nlmsg_notify+0x170/0x170 [ 34.081423] sock_sendmsg+0xb5/0x100 [ 34.085111] ___sys_sendmsg+0x6c8/0x800 [ 34.089057] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 34.093789] ? dev_ioctl+0xe7/0xbe0 [ 34.097399] ? dev_ifsioc+0x7d0/0x7d0 [ 34.101173] ? __dentry_kill+0x3f7/0x550 [ 34.105223] ? trace_hardirqs_on+0x10/0x10 [ 34.109433] ? sock_ioctl+0x16c/0x4c0 [ 34.113204] ? sock_release+0x1e0/0x1e0 [ 34.117170] ? __fdget+0x167/0x1f0 [ 34.120682] ? sockfd_lookup_light+0xb2/0x160 [ 34.125149] __sys_sendmsg+0xa3/0x120 [ 34.128934] ? SyS_shutdown+0x160/0x160 [ 34.132886] ? security_file_ioctl+0x83/0xb0 [ 34.137266] SyS_sendmsg+0x27/0x40 [ 34.140776] ? __sys_sendmsg+0x120/0x120 [ 34.144821] do_syscall_64+0x1d5/0x640 [ 34.148704] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.153866] RIP: 0033:0x442139 [ 34.157029] RSP: 002b:00007ffe64152188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.164709] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 34.172482] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 34.179733] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 34.186976] R10: 0000001300000000 R11: 0000000000000246 R12: 000000000000841c [ 34.194224] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 34.202198] Kernel Offset: disabled [ 34.205859] Rebooting in 86400 seconds..