[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. syzkaller login: [ 29.080042] IPVS: ftp: loaded support on port[0] = 21 [ 29.140372] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 29.148065] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 29.155260] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program [ 29.183639] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 29.196346] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 29.203101] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 29.211723] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 29.219122] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 29.242737] ------------[ cut here ]------------ [ 29.247627] WARNING: CPU: 0 PID: 8021 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 29.256498] Kernel panic - not syncing: panic_on_warn set ... [ 29.256498] [ 29.263852] CPU: 0 PID: 8021 Comm: syz-executor844 Not tainted 4.14.203-syzkaller #0 [ 29.271716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.281082] Call Trace: [ 29.283671] dump_stack+0x1b2/0x283 [ 29.287296] panic+0x1f9/0x42d [ 29.290492] ? add_taint.cold+0x16/0x16 [ 29.294467] ? cfg80211_connect+0x1856/0x2120 [ 29.298963] ? cfg80211_connect+0x1856/0x2120 [ 29.303467] __warn.cold+0x20/0x4b [ 29.307001] ? ist_end_non_atomic+0x10/0x10 [ 29.311337] ? cfg80211_connect+0x1856/0x2120 [ 29.315825] report_bug+0x208/0x249 [ 29.319447] do_error_trap+0x195/0x2d0 [ 29.323330] ? math_error+0x2d0/0x2d0 [ 29.327130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.331974] invalid_op+0x1b/0x40 [ 29.335426] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 29.340530] RSP: 0018:ffff8880b1087448 EFLAGS: 00010297 [ 29.345886] RAX: ffff88809555a380 RBX: ffff8880959d1410 RCX: 0000000000000000 [ 29.353150] RDX: 0000000000000000 RSI: ffff8880afff52a6 RDI: ffffffff886b6678 [ 29.360418] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1012b3a2a2 [ 29.367684] R10: ffff8880959d1515 R11: ffff88809555a380 R12: ffff8880b10875c0 [ 29.374948] R13: ffffffff886b6540 R14: ffff8880959d1538 R15: ffff8880959d1510 [ 29.382241] ? cfg80211_connect+0x1856/0x2120 [ 29.386736] ? trace_hardirqs_on+0x10/0x10 [ 29.390965] ? memset+0x20/0x40 [ 29.394259] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 29.399353] ? nl80211_crypto_settings+0x3a5/0x960 [ 29.404296] ? ieee80211_get_channel+0xed/0x150 [ 29.408957] nl80211_connect+0x1379/0x1cd0 [ 29.413193] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 29.418640] ? lock_acquire+0x170/0x3f0 [ 29.422609] ? nl80211_pre_doit+0x2d9/0x510 [ 29.427010] ? nl80211_pre_doit+0x79/0x510 [ 29.431247] genl_family_rcv_msg+0x572/0xb20 [ 29.435748] ? genl_rcv+0x40/0x40 [ 29.439205] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 29.444648] ? trace_hardirqs_on+0x10/0x10 [ 29.448874] ? sock_sendmsg+0xb5/0x100 [ 29.452759] genl_rcv_msg+0xaf/0x140 [ 29.456469] netlink_rcv_skb+0x125/0x390 [ 29.460609] ? genl_family_rcv_msg+0xb20/0xb20 [ 29.465195] ? netlink_ack+0x9a0/0x9a0 [ 29.469074] ? lock_acquire+0x170/0x3f0 [ 29.473044] genl_rcv+0x24/0x40 [ 29.476311] netlink_unicast+0x437/0x610 [ 29.480364] ? netlink_sendskb+0xd0/0xd0 [ 29.484418] ? __check_object_size+0x179/0x22c [ 29.488992] netlink_sendmsg+0x62e/0xb80 [ 29.493054] ? nlmsg_notify+0x170/0x170 [ 29.497022] ? kernel_recvmsg+0x210/0x210 [ 29.501167] ? security_socket_sendmsg+0x83/0xb0 [ 29.505950] ? nlmsg_notify+0x170/0x170 [ 29.509920] sock_sendmsg+0xb5/0x100 [ 29.513631] ___sys_sendmsg+0x6c8/0x800 [ 29.517602] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 29.522355] ? dev_ioctl+0xe7/0xbe0 [ 29.525974] ? dev_ifsioc+0x7d0/0x7d0 [ 29.529770] ? __dentry_kill+0x3f7/0x550 [ 29.533835] ? trace_hardirqs_on+0x10/0x10 [ 29.538068] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.543080] ? kmem_cache_free+0x23a/0x2b0 [ 29.547313] ? sock_ioctl+0x16c/0x4c0 [ 29.551106] ? sock_release+0x1e0/0x1e0 [ 29.555158] ? __fdget+0x167/0x1f0 [ 29.558694] ? sockfd_lookup_light+0xb2/0x160 [ 29.563185] __sys_sendmsg+0xa3/0x120 [ 29.567003] ? SyS_shutdown+0x160/0x160 [ 29.570981] ? security_file_ioctl+0x83/0xb0 [ 29.575395] SyS_sendmsg+0x27/0x40 [ 29.578930] ? __sys_sendmsg+0x120/0x120 [ 29.582987] do_syscall_64+0x1d5/0x640 [ 29.586876] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.592059] RIP: 0033:0x442139 [ 29.595233] RSP: 002b:00007ffe5757b858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 29.602935] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 29.610196] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 29.617459] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 29.624724] R10: 0000001300000000 R11: 0000000000000246 R12: 0000000000007245 [ 29.632000] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 29.640729] Kernel Offset: disabled [ 29.644503] Rebooting in 86400 seconds..