[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. syzkaller login: [ 35.080416] audit: type=1400 audit(1602564827.917:8): avc: denied { execmem } for pid=6348 comm="syz-executor064" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 35.102542] IPVS: ftp: loaded support on port[0] = 21 [ 35.166376] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 35.180743] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.188460] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.207069] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program executing program [ 35.232411] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 35.239112] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.247211] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.256191] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.279246] ------------[ cut here ]------------ [ 35.284141] WARNING: CPU: 1 PID: 6390 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 35.292914] Kernel panic - not syncing: panic_on_warn set ... [ 35.292914] [ 35.300289] CPU: 1 PID: 6390 Comm: syz-executor064 Not tainted 4.14.198-syzkaller #0 [ 35.308172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.317528] Call Trace: [ 35.320116] dump_stack+0x1b2/0x283 [ 35.323741] panic+0x1f9/0x42d [ 35.329554] ? add_taint.cold+0x16/0x16 [ 35.333524] ? cfg80211_connect+0x1856/0x2120 [ 35.337997] ? cfg80211_connect+0x1856/0x2120 [ 35.343166] __warn.cold+0x20/0x4b [ 35.346699] ? ist_end_non_atomic+0x10/0x10 [ 35.350999] ? cfg80211_connect+0x1856/0x2120 [ 35.355469] report_bug+0x208/0x249 [ 35.359092] do_error_trap+0x195/0x2d0 [ 35.362969] ? math_error+0x2d0/0x2d0 [ 35.366750] ? __lock_acquire+0x5fc/0x3f20 [ 35.370966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.375802] invalid_op+0x1b/0x40 [ 35.379235] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 35.384334] RSP: 0018:ffff88808becf448 EFLAGS: 00010297 [ 35.389682] RAX: ffff888096858580 RBX: ffff8880978ed5d0 RCX: 0000000000000000 [ 35.396936] RDX: 0000000000000000 RSI: ffff88809e1fb026 RDI: ffffffff874b1b38 [ 35.404185] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1012f1dada [ 35.411434] R10: ffff8880978ed6d5 R11: ffff888096858580 R12: ffff88808becf5c0 [ 35.418682] R13: ffffffff874b1a00 R14: ffff8880978ed6f8 R15: ffff8880978ed6d0 [ 35.425971] ? cfg80211_connect+0x1856/0x2120 [ 35.430452] ? trace_hardirqs_on+0x10/0x10 [ 35.434665] ? memset+0x20/0x40 [ 35.437922] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 35.443004] ? nl80211_crypto_settings+0x3a5/0x960 [ 35.448013] ? ieee80211_get_channel+0xed/0x150 [ 35.452665] nl80211_connect+0x1379/0x1cd0 [ 35.456884] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 35.462412] ? lock_acquire+0x170/0x3f0 [ 35.466374] ? nl80211_pre_doit+0x2d9/0x510 [ 35.470694] ? nl80211_pre_doit+0x79/0x510 [ 35.475021] genl_family_rcv_msg+0x572/0xb20 [ 35.479422] ? genl_rcv+0x40/0x40 [ 35.482887] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 35.488338] ? trace_hardirqs_on+0x10/0x10 [ 35.492562] ? sock_sendmsg+0xb5/0x100 [ 35.496448] genl_rcv_msg+0xaf/0x140 [ 35.500152] netlink_rcv_skb+0x125/0x390 [ 35.504210] ? genl_family_rcv_msg+0xb20/0xb20 [ 35.508786] ? netlink_ack+0x9a0/0x9a0 [ 35.512681] ? lock_acquire+0x170/0x3f0 [ 35.516657] genl_rcv+0x24/0x40 [ 35.519920] netlink_unicast+0x437/0x610 [ 35.523974] ? netlink_sendskb+0xd0/0xd0 [ 35.528027] netlink_sendmsg+0x62e/0xb80 [ 35.532086] ? nlmsg_notify+0x170/0x170 [ 35.536042] ? kernel_recvmsg+0x210/0x210 [ 35.540175] ? security_socket_sendmsg+0x83/0xb0 [ 35.544916] ? nlmsg_notify+0x170/0x170 [ 35.548886] sock_sendmsg+0xb5/0x100 [ 35.552633] ___sys_sendmsg+0x6c8/0x800 [ 35.556590] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 35.561346] ? dev_ioctl+0xe7/0xbe0 [ 35.564964] ? dev_ifsioc+0x7d0/0x7d0 [ 35.568743] ? __dentry_kill+0x3f7/0x550 [ 35.572785] ? trace_hardirqs_on+0x10/0x10 [ 35.576999] ? sock_ioctl+0x16c/0x4c0 [ 35.580776] ? sock_release+0x1e0/0x1e0 [ 35.584729] ? __fdget+0x167/0x1f0 [ 35.588263] ? sockfd_lookup_light+0xb2/0x160 [ 35.592735] __sys_sendmsg+0xa3/0x120 [ 35.596510] ? SyS_shutdown+0x160/0x160 [ 35.600485] ? security_file_ioctl+0x83/0xb0 [ 35.604997] SyS_sendmsg+0x27/0x40 [ 35.608531] ? __sys_sendmsg+0x120/0x120 [ 35.612608] do_syscall_64+0x1d5/0x640 [ 35.616486] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.621655] RIP: 0033:0x442139 [ 35.624829] RSP: 002b:00007fff78dc08e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.632514] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 35.639762] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 35.647011] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 35.654278] R10: 0000001300000000 R11: 0000000000000246 R12: 00000000000089de [ 35.661529] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 35.670174] Kernel Offset: disabled [ 35.673843] Rebooting in 86400 seconds..