Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. syzkaller login: [ 27.991011] IPVS: ftp: loaded support on port[0] = 21 [ 28.049919] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 28.058146] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 28.076196] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 28.091404] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program executing program [ 28.103431] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 28.110265] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 28.117927] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 28.125147] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 28.151306] ------------[ cut here ]------------ [ 28.156187] WARNING: CPU: 0 PID: 8008 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 28.164914] Kernel panic - not syncing: panic_on_warn set ... [ 28.164914] [ 28.172254] CPU: 0 PID: 8008 Comm: syz-executor625 Not tainted 4.14.205-syzkaller #0 [ 28.180129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.189544] Call Trace: [ 28.192139] dump_stack+0x1b2/0x283 [ 28.195851] panic+0x1f9/0x42d [ 28.199039] ? add_taint.cold+0x16/0x16 [ 28.203001] ? cfg80211_connect+0x1856/0x2120 [ 28.207490] ? cfg80211_connect+0x1856/0x2120 [ 28.211972] __warn.cold+0x20/0x4b [ 28.215575] ? ist_end_non_atomic+0x10/0x10 [ 28.219873] ? cfg80211_connect+0x1856/0x2120 [ 28.224346] report_bug+0x208/0x249 [ 28.227953] do_error_trap+0x195/0x2d0 [ 28.231830] ? math_error+0x2d0/0x2d0 [ 28.235608] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 28.241469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.246343] invalid_op+0x1b/0x40 [ 28.249794] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 28.254887] RSP: 0018:ffff888098e97448 EFLAGS: 00010297 [ 28.260388] RAX: ffff8880b46303c0 RBX: ffff888097c55710 RCX: 0000000000000000 [ 28.267645] RDX: 0000000000000000 RSI: ffff88809412da66 RDI: ffffffff886b8278 [ 28.274910] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1012f8ab02 [ 28.282164] R10: ffff888097c55815 R11: ffff8880b46303c0 R12: ffff888098e975c0 [ 28.289420] R13: ffffffff886b8140 R14: ffff888097c55838 R15: ffff888097c55810 [ 28.296696] ? cfg80211_connect+0x1856/0x2120 [ 28.301176] ? trace_hardirqs_on+0x10/0x10 [ 28.305390] ? memset+0x20/0x40 [ 28.308648] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 28.313728] ? nl80211_crypto_settings+0x3a5/0x960 [ 28.318649] ? ieee80211_get_channel+0xed/0x150 [ 28.323314] nl80211_connect+0x1379/0x1cd0 [ 28.327546] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 28.332982] ? lock_acquire+0x170/0x3f0 [ 28.336953] ? nl80211_pre_doit+0x2d9/0x510 [ 28.341276] ? nl80211_pre_doit+0x79/0x510 [ 28.345494] genl_family_rcv_msg+0x572/0xb20 [ 28.349889] ? genl_rcv+0x40/0x40 [ 28.353322] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 28.358837] ? trace_hardirqs_on+0x10/0x10 [ 28.363049] ? sock_sendmsg+0xb5/0x100 [ 28.369279] genl_rcv_msg+0xaf/0x140 [ 28.372974] netlink_rcv_skb+0x125/0x390 [ 28.377026] ? genl_family_rcv_msg+0xb20/0xb20 [ 28.381601] ? netlink_ack+0x9a0/0x9a0 [ 28.385479] ? lock_acquire+0x170/0x3f0 [ 28.389432] genl_rcv+0x24/0x40 [ 28.392714] netlink_unicast+0x437/0x610 [ 28.396895] ? netlink_sendskb+0xd0/0xd0 [ 28.400939] ? __check_object_size+0x179/0x22c [ 28.405499] netlink_sendmsg+0x62e/0xb80 [ 28.409541] ? nlmsg_notify+0x170/0x170 [ 28.413495] ? kernel_recvmsg+0x210/0x210 [ 28.417624] ? security_socket_sendmsg+0x83/0xb0 [ 28.422356] ? nlmsg_notify+0x170/0x170 [ 28.426309] sock_sendmsg+0xb5/0x100 [ 28.430012] ___sys_sendmsg+0x6c8/0x800 [ 28.434032] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 28.438778] ? dev_ioctl+0xe7/0xbe0 [ 28.442426] ? dev_ifsioc+0x7d0/0x7d0 [ 28.446242] ? __dentry_kill+0x3f7/0x550 [ 28.450285] ? trace_hardirqs_on+0x10/0x10 [ 28.454499] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 28.459493] ? kmem_cache_free+0x23a/0x2b0 [ 28.463724] ? sock_ioctl+0x16c/0x4c0 [ 28.467505] ? sock_release+0x1e0/0x1e0 [ 28.471475] ? __fdget+0x167/0x1f0 [ 28.475008] ? sockfd_lookup_light+0xb2/0x160 [ 28.479584] __sys_sendmsg+0xa3/0x120 [ 28.483366] ? SyS_shutdown+0x160/0x160 [ 28.487323] ? security_file_ioctl+0x83/0xb0 [ 28.491709] SyS_sendmsg+0x27/0x40 [ 28.495256] ? __sys_sendmsg+0x120/0x120 [ 28.499302] do_syscall_64+0x1d5/0x640 [ 28.503177] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.508488] RIP: 0033:0x442139 [ 28.511682] RSP: 002b:00007ffded84e938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.519379] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 28.526800] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 28.534183] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 28.541453] R10: 0000001300000000 R11: 0000000000000246 R12: 0000000000006dfb [ 28.549081] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 28.557210] Kernel Offset: disabled [ 28.560895] Rebooting in 86400 seconds..