[ 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 '10.128.0.67' (ECDSA) to the list of known hosts. syzkaller login: [ 32.203287] audit: type=1400 audit(1602605477.198:8): avc: denied { execmem } for pid=6357 comm="syz-executor273" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 32.225067] IPVS: ftp: loaded support on port[0] = 21 [ 32.294033] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 32.306669] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 32.322102] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 32.336079] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program executing program [ 32.347616] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 32.356788] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 32.364733] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 32.373605] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 32.398481] ------------[ cut here ]------------ [ 32.403304] WARNING: CPU: 0 PID: 6399 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 32.412061] Kernel panic - not syncing: panic_on_warn set ... [ 32.412061] [ 32.419413] CPU: 0 PID: 6399 Comm: syz-executor273 Not tainted 4.14.198-syzkaller #0 [ 32.427271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.436605] Call Trace: [ 32.439204] dump_stack+0x1b2/0x283 [ 32.442825] panic+0x1f9/0x42d [ 32.445996] ? add_taint.cold+0x16/0x16 [ 32.449949] ? cfg80211_connect+0x1856/0x2120 [ 32.454613] ? cfg80211_connect+0x1856/0x2120 [ 32.459115] __warn.cold+0x20/0x4b [ 32.462642] ? ist_end_non_atomic+0x10/0x10 [ 32.466948] ? cfg80211_connect+0x1856/0x2120 [ 32.471421] report_bug+0x208/0x249 [ 32.475038] do_error_trap+0x195/0x2d0 [ 32.478918] ? math_error+0x2d0/0x2d0 [ 32.482700] ? __lock_acquire+0x5fc/0x3f20 [ 32.486919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.491743] invalid_op+0x1b/0x40 [ 32.495174] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 32.500268] RSP: 0018:ffff888096f67448 EFLAGS: 00010297 [ 32.505608] RAX: ffff888096c74080 RBX: ffff888097669250 RCX: 0000000000000000 [ 32.512854] RDX: 0000000000000000 RSI: ffff8880947ce526 RDI: ffffffff874b1b38 [ 32.520100] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1012ecd26a [ 32.527347] R10: ffff888097669355 R11: ffff888096c74080 R12: ffff888096f675c0 [ 32.534598] R13: ffffffff874b1a00 R14: ffff888097669378 R15: ffff888097669350 [ 32.541876] ? cfg80211_connect+0x1856/0x2120 [ 32.546373] ? trace_hardirqs_on+0x10/0x10 [ 32.550587] ? memset+0x20/0x40 [ 32.553842] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 32.558944] ? nl80211_crypto_settings+0x3a5/0x960 [ 32.563873] ? ieee80211_get_channel+0xed/0x150 [ 32.568608] nl80211_connect+0x1379/0x1cd0 [ 32.572824] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 32.578284] ? lock_acquire+0x170/0x3f0 [ 32.582234] ? nl80211_pre_doit+0x2d9/0x510 [ 32.586560] ? nl80211_pre_doit+0x79/0x510 [ 32.590772] genl_family_rcv_msg+0x572/0xb20 [ 32.595247] ? genl_rcv+0x40/0x40 [ 32.598698] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 32.604651] ? trace_hardirqs_on+0x10/0x10 [ 32.608884] ? sock_sendmsg+0xb5/0x100 [ 32.612754] genl_rcv_msg+0xaf/0x140 [ 32.616445] netlink_rcv_skb+0x125/0x390 [ 32.620483] ? genl_family_rcv_msg+0xb20/0xb20 [ 32.625391] ? netlink_ack+0x9a0/0x9a0 [ 32.629385] ? lock_acquire+0x170/0x3f0 [ 32.633609] genl_rcv+0x24/0x40 [ 32.636870] netlink_unicast+0x437/0x610 [ 32.640935] ? netlink_sendskb+0xd0/0xd0 [ 32.644980] netlink_sendmsg+0x62e/0xb80 [ 32.649023] ? nlmsg_notify+0x170/0x170 [ 32.652996] ? kernel_recvmsg+0x210/0x210 [ 32.657131] ? security_socket_sendmsg+0x83/0xb0 [ 32.661862] ? nlmsg_notify+0x170/0x170 [ 32.665813] sock_sendmsg+0xb5/0x100 [ 32.669502] ___sys_sendmsg+0x6c8/0x800 [ 32.673629] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 32.678395] ? dev_ioctl+0xe7/0xbe0 [ 32.681999] ? dev_ifsioc+0x7d0/0x7d0 [ 32.685784] ? __dentry_kill+0x3f7/0x550 [ 32.689833] ? trace_hardirqs_on+0x10/0x10 [ 32.694055] ? sock_ioctl+0x16c/0x4c0 [ 32.697831] ? sock_release+0x1e0/0x1e0 [ 32.701792] ? __fdget+0x167/0x1f0 [ 32.705313] ? sockfd_lookup_light+0xb2/0x160 [ 32.709788] __sys_sendmsg+0xa3/0x120 [ 32.713574] ? SyS_shutdown+0x160/0x160 [ 32.717531] ? security_file_ioctl+0x83/0xb0 [ 32.721936] SyS_sendmsg+0x27/0x40 [ 32.725453] ? __sys_sendmsg+0x120/0x120 [ 32.729494] do_syscall_64+0x1d5/0x640 [ 32.733362] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.738545] RIP: 0033:0x442139 [ 32.741711] RSP: 002b:00007fff1b0124c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.749393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 32.756657] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 32.763906] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 32.771156] R10: 0000001300000000 R11: 0000000000000246 R12: 0000000000007e95 [ 32.778402] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 32.787193] Kernel Offset: disabled [ 32.790884] Rebooting in 86400 seconds..