[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts. syzkaller login: [ 34.832727] IPVS: ftp: loaded support on port[0] = 21 [ 34.895132] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 34.914922] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.922129] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 34.941678] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 34.958080] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 34.970746] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.978585] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.985683] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.004049] netlink: 20 bytes leftover after parsing attributes in process `syz-executor756'. [ 35.013080] ------------[ cut here ]------------ [ 35.017887] WARNING: CPU: 0 PID: 8003 at net/mac80211/rate.c:279 ieee80211_check_rate_mask+0x234/0x2d0 [ 35.027324] Kernel panic - not syncing: panic_on_warn set ... [ 35.027324] [ 35.034663] CPU: 0 PID: 8003 Comm: syz-executor756 Not tainted 4.14.202-syzkaller #0 [ 35.042536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.051882] Call Trace: [ 35.054464] dump_stack+0x1b2/0x283 [ 35.058069] panic+0x1f9/0x42d [ 35.061247] ? add_taint.cold+0x16/0x16 [ 35.065216] ? ieee80211_check_rate_mask+0x234/0x2d0 [ 35.070296] ? ieee80211_check_rate_mask+0x234/0x2d0 [ 35.075386] __warn.cold+0x20/0x4b [ 35.078913] ? ist_end_non_atomic+0x10/0x10 [ 35.083214] ? ieee80211_check_rate_mask+0x234/0x2d0 [ 35.088298] report_bug+0x208/0x249 [ 35.091917] do_error_trap+0x195/0x2d0 [ 35.095780] ? math_error+0x2d0/0x2d0 [ 35.099564] ? __up_console_sem+0xa9/0x1b0 [ 35.103787] ? trace_hardirqs_on+0x10/0x10 [ 35.107998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.112821] invalid_op+0x1b/0x40 [ 35.116284] RIP: 0010:ieee80211_check_rate_mask+0x234/0x2d0 [ 35.121977] RSP: 0018:ffff888098117638 EFLAGS: 00010297 [ 35.127338] RAX: ffff888097630440 RBX: ffff8880b1ad1280 RCX: 0000000000000000 [ 35.134603] RDX: 0000000000000000 RSI: ffff8880a2a42920 RDI: ffff8880b1ad2290 [ 35.141848] RBP: ffff8880a2a429f8 R08: ffff8880b1ad2260 R09: 0000000000000004 [ 35.149097] R10: 0000000000000000 R11: ffff888097630440 R12: 0000000000000020 [ 35.156344] R13: 0000000000000000 R14: ffff8880b1ad1280 R15: 0000000000000000 [ 35.163625] ? ieee80211_check_rate_mask+0x234/0x2d0 [ 35.168725] ieee80211_change_bss+0x47e/0xa60 [ 35.173201] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 35.178748] nl80211_set_bss+0x70b/0xe50 [ 35.182795] ? nl80211_del_station+0x930/0x930 [ 35.187361] ? nl80211_pre_doit+0x79/0x510 [ 35.191632] genl_family_rcv_msg+0x572/0xb20 [ 35.196036] ? genl_rcv+0x40/0x40 [ 35.199467] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 35.204907] ? trace_hardirqs_on+0x10/0x10 [ 35.209123] ? sock_sendmsg+0xb5/0x100 [ 35.213012] genl_rcv_msg+0xaf/0x140 [ 35.216714] netlink_rcv_skb+0x125/0x390 [ 35.220770] ? genl_family_rcv_msg+0xb20/0xb20 [ 35.225330] ? netlink_ack+0x9a0/0x9a0 [ 35.229194] ? lock_acquire+0x170/0x3f0 [ 35.233160] genl_rcv+0x24/0x40 [ 35.236431] netlink_unicast+0x437/0x610 [ 35.240466] ? netlink_sendskb+0xd0/0xd0 [ 35.244504] ? __check_object_size+0x179/0x22c [ 35.249074] netlink_sendmsg+0x62e/0xb80 [ 35.253124] ? nlmsg_notify+0x170/0x170 [ 35.257074] ? kernel_recvmsg+0x210/0x210 [ 35.261210] ? security_socket_sendmsg+0x83/0xb0 [ 35.265974] ? nlmsg_notify+0x170/0x170 [ 35.269939] sock_sendmsg+0xb5/0x100 [ 35.273647] ___sys_sendmsg+0x6c8/0x800 [ 35.277609] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 35.282340] ? __lock_acquire+0x5fc/0x3f20 [ 35.286559] ? __dentry_kill+0x3f7/0x550 [ 35.290607] ? trace_hardirqs_on+0x10/0x10 [ 35.294817] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 35.300266] ? dentry_free+0xc6/0x120 [ 35.304042] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.309050] ? kmem_cache_free+0x23a/0x2b0 [ 35.313268] ? mntput_no_expire+0xc7/0x910 [ 35.317491] ? lock_acquire+0x170/0x3f0 [ 35.321441] ? __fdget+0x167/0x1f0 [ 35.324959] ? sockfd_lookup_light+0xb2/0x160 [ 35.329443] __sys_sendmsg+0xa3/0x120 [ 35.333233] ? SyS_shutdown+0x160/0x160 [ 35.337201] SyS_sendmsg+0x27/0x40 [ 35.340716] ? __sys_sendmsg+0x120/0x120 [ 35.344757] do_syscall_64+0x1d5/0x640 [ 35.348629] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.353796] RIP: 0033:0x4419c9 [ 35.356967] RSP: 002b:00007ffd9dc66958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.364652] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004419c9 [ 35.373126] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004 [ 35.380393] RBP: 000000306e616c77 R08: 0000000000000000 R09: 0000001300000000 [ 35.387656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 35.394909] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 35.402780] Kernel Offset: disabled [ 35.406491] Rebooting in 86400 seconds..