Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.180' (ECDSA) to the list of known hosts. syzkaller login: [ 28.666488] IPVS: ftp: loaded support on port[0] = 21 [ 28.721338] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 28.729368] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 28.739756] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program [ 28.761957] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 28.771922] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 28.778994] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 28.786490] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 28.793938] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 28.818429] ------------[ cut here ]------------ [ 28.823272] WARNING: CPU: 0 PID: 8046 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 [ 28.838604] Kernel panic - not syncing: panic_on_warn set ... [ 28.838604] [ 28.845948] CPU: 0 PID: 8046 Comm: syz-executor762 Not tainted 4.14.207-syzkaller #0 [ 28.853982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.863311] Call Trace: [ 28.865880] dump_stack+0x1b2/0x283 [ 28.869495] panic+0x1f9/0x42d [ 28.872666] ? add_taint.cold+0x16/0x16 [ 28.876620] ? cfg80211_connect+0x1856/0x2120 [ 28.881102] ? cfg80211_connect+0x1856/0x2120 [ 28.885572] __warn.cold+0x20/0x4b [ 28.889105] ? ist_end_non_atomic+0x10/0x10 [ 28.893406] ? cfg80211_connect+0x1856/0x2120 [ 28.897887] report_bug+0x208/0x249 [ 28.901492] do_error_trap+0x195/0x2d0 [ 28.905355] ? math_error+0x2d0/0x2d0 [ 28.909136] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 28.914998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.919900] invalid_op+0x1b/0x40 [ 28.923336] RIP: 0010:cfg80211_connect+0x1856/0x2120 [ 28.928410] RSP: 0018:ffff8880955af448 EFLAGS: 00010297 [ 28.933749] RAX: ffff8880b04f66c0 RBX: ffff8880b10197d0 RCX: 0000000000000000 [ 28.940997] RDX: 0000000000000000 RSI: ffff8880aab14326 RDI: ffffffff886b8278 [ 28.948245] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed101620331a [ 28.955496] R10: ffff8880b10198d5 R11: ffff8880b04f66c0 R12: ffff8880955af5c0 [ 28.962743] R13: ffffffff886b8140 R14: ffff8880b10198f8 R15: ffff8880b10198d0 [ 28.970002] ? cfg80211_connect+0x1856/0x2120 [ 28.974487] ? trace_hardirqs_on+0x10/0x10 [ 28.978696] ? memset+0x20/0x40 [ 28.981949] ? __cfg80211_disconnected+0x18e0/0x18e0 [ 28.987025] ? nl80211_crypto_settings+0x3a5/0x960 [ 28.991926] ? ieee80211_get_channel+0xed/0x150 [ 28.996573] nl80211_connect+0x1379/0x1cd0 [ 29.000785] ? nl80211_update_connect_params+0x9a0/0x9a0 [ 29.006217] ? lock_acquire+0x170/0x3f0 [ 29.010167] ? nl80211_pre_doit+0x2d9/0x510 [ 29.014489] ? nl80211_pre_doit+0x79/0x510 [ 29.018702] genl_family_rcv_msg+0x572/0xb20 [ 29.023088] ? genl_rcv+0x40/0x40 [ 29.026518] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 29.031942] ? trace_hardirqs_on+0x10/0x10 [ 29.036154] ? sock_sendmsg+0xb5/0x100 [ 29.040068] genl_rcv_msg+0xaf/0x140 [ 29.043760] netlink_rcv_skb+0x125/0x390 [ 29.047796] ? genl_family_rcv_msg+0xb20/0xb20 [ 29.052354] ? netlink_ack+0x9a0/0x9a0 [ 29.056247] ? lock_acquire+0x170/0x3f0 [ 29.060201] genl_rcv+0x24/0x40 [ 29.063458] netlink_unicast+0x437/0x610 [ 29.067496] ? netlink_sendskb+0xd0/0xd0 [ 29.071530] ? __check_object_size+0x179/0x22c [ 29.076089] netlink_sendmsg+0x62e/0xb80 [ 29.080139] ? nlmsg_notify+0x170/0x170 [ 29.084088] ? kernel_recvmsg+0x210/0x210 [ 29.088216] ? security_socket_sendmsg+0x83/0xb0 [ 29.092947] ? nlmsg_notify+0x170/0x170 [ 29.096907] sock_sendmsg+0xb5/0x100 [ 29.100595] ___sys_sendmsg+0x6c8/0x800 [ 29.104545] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 29.109289] ? dev_ioctl+0xe7/0xbe0 [ 29.112892] ? dev_ifsioc+0x7d0/0x7d0 [ 29.116681] ? __dentry_kill+0x3f7/0x550 [ 29.120715] ? trace_hardirqs_on+0x10/0x10 [ 29.124923] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.129912] ? kmem_cache_free+0x23a/0x2b0 [ 29.134121] ? sock_ioctl+0x16c/0x4c0 [ 29.137918] ? sock_release+0x1e0/0x1e0 [ 29.141875] ? __fdget+0x167/0x1f0 [ 29.145398] ? sockfd_lookup_light+0xb2/0x160 [ 29.149868] __sys_sendmsg+0xa3/0x120 [ 29.153653] ? SyS_shutdown+0x160/0x160 [ 29.157606] ? security_file_ioctl+0x83/0xb0 [ 29.161995] SyS_sendmsg+0x27/0x40 [ 29.165527] ? __sys_sendmsg+0x120/0x120 [ 29.169563] do_syscall_64+0x1d5/0x640 [ 29.173440] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.178618] RIP: 0033:0x442139 [ 29.181783] RSP: 002b:00007ffd1ad2ccf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 29.189476] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139 [ 29.196720] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 29.203964] RBP: 0000000000000000 R08: 0000001300000000 R09: 0000001300000000 [ 29.211217] R10: 0000001300000000 R11: 0000000000000246 R12: 00000000000070a0 [ 29.218465] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 29.226504] Kernel Offset: disabled [ 29.230155] Rebooting in 86400 seconds..