[ 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 '10.128.0.254' (ECDSA) to the list of known hosts. syzkaller login: [ 77.923920][ T27] audit: type=1400 audit(1601905156.627:8): avc: denied { execmem } for pid=6889 comm="syz-executor044" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 77.939590][ T6890] IPVS: ftp: loaded support on port[0] = 21 [ 78.045216][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.062270][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.083939][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 78.116745][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.129596][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.137896][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.173907][ T6890] ------------[ cut here ]------------ [ 78.179510][ T6890] WARNING: CPU: 0 PID: 6890 at net/mac80211/ieee80211_i.h:1447 sta_info_alloc+0x1900/0x1f90 [ 78.190289][ T6890] Kernel panic - not syncing: panic_on_warn set ... [ 78.196922][ T6890] CPU: 0 PID: 6890 Comm: syz-executor044 Not tainted 5.9.0-rc8-syzkaller #0 [ 78.205586][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.215659][ T6890] Call Trace: [ 78.218943][ T6890] dump_stack+0x198/0x1fd [ 78.223268][ T6890] panic+0x382/0x7fb [ 78.227187][ T6890] ? __warn_printk+0xf3/0xf3 [ 78.231782][ T6890] ? printk+0xba/0xed [ 78.235752][ T6890] ? log_store.cold+0x16/0x16 [ 78.240409][ T6890] ? __warn.cold+0x5/0x4b [ 78.244717][ T6890] ? __warn+0xd6/0x1f2 [ 78.248764][ T6890] ? sta_info_alloc+0x1900/0x1f90 [ 78.254064][ T6890] __warn.cold+0x20/0x4b [ 78.258461][ T6890] ? sta_info_alloc+0x1900/0x1f90 [ 78.264209][ T6890] report_bug+0x1bd/0x210 [ 78.268552][ T6890] handle_bug+0x38/0x90 [ 78.272793][ T6890] exc_invalid_op+0x14/0x40 [ 78.277898][ T6890] asm_exc_invalid_op+0x12/0x20 [ 78.282761][ T6890] RIP: 0010:sta_info_alloc+0x1900/0x1f90 [ 78.288469][ T6890] Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 04 00 00 49 8b 9f 60 01 00 00 e9 fc f6 ff ff e8 80 20 b6 f9 <0f> 0b e8 e9 62 66 00 31 ff 89 c3 89 c6 e8 ce 1c b6 f9 85 db 74 1d [ 78.308170][ T6890] RSP: 0018:ffffc90001b47498 EFLAGS: 00010293 [ 78.314410][ T6890] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff87c01d61 [ 78.322646][ T6890] RDX: ffff88808e94a040 RSI: ffffffff87c01e10 RDI: 0000000000000005 [ 78.331314][ T6890] RBP: ffff888086760c80 R08: 0000000000000001 R09: ffffffff8d0c29e7 [ 78.340227][ T6890] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 78.348288][ T6890] R13: ffff8880867631b0 R14: dffffc0000000000 R15: ffff88809e46a000 [ 78.359999][ T6890] ? sta_info_alloc+0x1851/0x1f90 [ 78.366642][ T6890] ? sta_info_alloc+0x1900/0x1f90 [ 78.372241][ T6890] ? sta_info_alloc+0x1900/0x1f90 [ 78.379637][ T6890] ieee80211_add_station+0x28c/0x660 [ 78.385072][ T6890] nl80211_new_station+0xde7/0x1440 [ 78.390367][ T6890] ? rdev_set_cqm_rssi_range_config+0x3c0/0x3c0 [ 78.397058][ T6890] ? nl80211_pre_doit+0xa2/0x630 [ 78.402247][ T6890] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 78.409632][ T6890] genl_rcv_msg+0x61d/0x980 [ 78.414756][ T6890] ? genl_family_rcv_msg_attrs_parse.isra.0+0x250/0x250 [ 78.422396][ T6890] ? lock_release+0x8f0/0x8f0 [ 78.427146][ T6890] netlink_rcv_skb+0x15a/0x430 [ 78.431901][ T6890] ? genl_family_rcv_msg_attrs_parse.isra.0+0x250/0x250 [ 78.439187][ T6890] ? netlink_ack+0xa10/0xa10 [ 78.445209][ T6890] genl_rcv+0x24/0x40 [ 78.449176][ T6890] netlink_unicast+0x533/0x7d0 [ 78.454448][ T6890] ? netlink_attachskb+0x810/0x810 [ 78.459740][ T6890] netlink_sendmsg+0x856/0xd90 [ 78.466593][ T6890] ? netlink_unicast+0x7d0/0x7d0 [ 78.473098][ T6890] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 78.479341][ T6890] ? netlink_unicast+0x7d0/0x7d0 [ 78.485487][ T6890] sock_sendmsg+0xcf/0x120 [ 78.490620][ T6890] ____sys_sendmsg+0x6e8/0x810 [ 78.495660][ T6890] ? kernel_sendmsg+0x50/0x50 [ 78.502010][ T6890] ? do_recvmmsg+0x6d0/0x6d0 [ 78.506950][ T6890] ? stack_trace_consume_entry+0x160/0x160 [ 78.514406][ T6890] ___sys_sendmsg+0xf3/0x170 [ 78.519424][ T6890] ? sendmsg_copy_msghdr+0x160/0x160 [ 78.525882][ T6890] ? syscall_exit_to_user_mode+0x7e/0x2e0 [ 78.531700][ T6890] ? lock_downgrade+0x830/0x830 [ 78.536634][ T6890] ? check_preemption_disabled+0x50/0x130 [ 78.543046][ T6890] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 78.548963][ T6890] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 78.554949][ T6890] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 78.560765][ T6890] ? lockdep_hardirqs_on+0x53/0x100 [ 78.565972][ T6890] ? _raw_spin_unlock_irqrestore+0x5c/0x90 [ 78.571766][ T6890] ? debug_object_active_state+0x260/0x350 [ 78.577564][ T6890] ? debug_object_init_on_stack+0x20/0x20 [ 78.583287][ T6890] ? __fget_light+0x215/0x280 [ 78.587955][ T6890] __sys_sendmsg+0xe5/0x1b0 [ 78.592460][ T6890] ? __sys_sendmsg_sock+0xb0/0xb0 [ 78.597487][ T6890] ? lock_is_held_type+0xbb/0xf0 [ 78.602426][ T6890] ? check_preemption_disabled+0x50/0x130 [ 78.608155][ T6890] ? syscall_enter_from_user_mode+0x1d/0x60 [ 78.614053][ T6890] do_syscall_64+0x2d/0x70 [ 78.618457][ T6890] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.624343][ T6890] RIP: 0033:0x441909 [ 78.628218][ T6890] Code: e8 dc 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 0d fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.647834][ T6890] RSP: 002b:00007ffe6cf66df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.656256][ T6890] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441909 [ 78.664209][ T6890] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 78.672162][ T6890] RBP: 000000306e616c77 R08: 0000000000000000 R09: 0000002000000000 [ 78.680163][ T6890] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 78.688126][ T6890] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 78.697366][ T6890] Kernel Offset: disabled [ 78.701750][ T6890] Rebooting in 86400 seconds..