[  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 '10.128.0.107' (ECDSA) to the list of known hosts.
syzkaller login: [   56.549718][ T8408] IPVS: ftp: loaded support on port[0] = 21
[   56.646528][    T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   56.672052][    T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   56.697349][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   56.698529][   T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   56.713679][   T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   56.723131][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[   56.734666][ T8408] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
[   56.735197][    T9] ------------[ cut here ]------------
[   56.751550][    T9] WARNING: CPU: 0 PID: 9 at net/mac80211/sta_info.c:547 sta_info_insert_rcu+0x274/0x2c40
[   56.763707][    T9] Modules linked in:
[   56.768125][    T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-rc2-syzkaller #0
[   56.776557][    T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.787751][    T9] Workqueue: phy3 ieee80211_iface_work
[   56.793433][    T9] RIP: 0010:sta_info_insert_rcu+0x