Starting System Logging Service... Starting getty on tty2-tty6 if dbus and logind are not available... [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Found device /dev/ttyS0. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ 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 '10.128.0.171' (ECDSA) to the list of known hosts. [ 81.398696][ T38] audit: type=1400 audit(1624515184.489:8): avc: denied { execmem } for pid=8409 comm="syz-executor805" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 81.529732][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.537831][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.560634][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.589263][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.597978][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.609461][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 81.631506][ T9] ------------[ cut here ]------------ [ 81.645021][ T9] WARNING: CPU: 1 PID: 9 at net/mac80211/sta_info.c:549 sta_info_insert_rcu+0x274/0x2c40 [ 81.657604][ T9] Modules linked in: [ 81.661958][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.13.0-rc7-syzkaller #0 [ 81.672025][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.683316][ T9] Workqueue: phy3 ieee80211_iface_work [ 81.688844][ T9] RIP: 0010:sta_info_insert_rcu+0x274/0x2c40 [