[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ 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. Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. [ 84.208556][ T36] audit: type=1400 audit(1612365434.177:8): avc: denied { execmem } for pid=8454 comm="syz-executor791" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 84.228755][ T8455] IPVS: ftp: loaded support on port[0] = 21 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 84.352126][ T216] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.377682][ T216] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.389542][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.413196][ T159] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.422332][ T159] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.433400][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.446874][ T159] ------------[ cut here ]------------ [ 84.447314][ T8455] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium [ 84.453046][ T159] WARNING: CPU: 1 PID: 159 at net/mac80211/sta_info.c:547 sta_info_insert_rcu+0x26f/0x2c30 [ 84.475609][ T159] Modules linked in: [ 84.480549][ T159] CPU: 1 PID: 159 Comm: kworker/u4:3 Not tainted 5.11.0-rc6-syzkaller #0 [ 84.491190][ T159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.504437][ T159] Workqueue: phy4 ieee80211_iface_work [ 84.511072][ T159] RIP: 0010:sta_info_insert_rcu+0x26f/0x2c30 [ 84.518119][ T159] Code: 24 e8 e5 b3 23 f9 0f b6 85 50 ff ff ff 31 ff 83 e0 01 41 89 c4 89 c6 e8 af bb 23 f9 45 84 e4 0f 84 bc 00 00 00 e8 c1 b3 23 f9 <0f> 0b 41 bc ea ff ff ff e8 b4 b3 23 f9 4c 89 f6 4c 89 ff e8 c9 f9 [ 84.542057][ T159] RSP: 0018:ffffc90001627970 EFLAGS: 00010293 [ 84.550129][ T159] RAX: 0000000000000000 RBX: ffff888025280bc0 RCX: 0000000000000000 [ 84.559266][ T159] RDX: ffff88801243a200 RSI