[ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.215' (ECDSA) to the list of known hosts. syzkaller login: [ 65.975768][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 66.107164][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.115157][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.142824][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.168017][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.175963][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.186196][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.201662][ T8] ------------[ cut here ]------------ [ 66.201982][ T8477] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium [ 66.207495][ T8] WARNING: CPU: 1 PID: 8 at net/mac80211/sta_info.c:547 sta_info_insert_rcu+0x26f/0x2c30 [ 66.207516][ T8] Modules linked in: [ 66.207543][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.10.0-rc6-syzkaller #0 [ 66.207553][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.207573][ T8] Workqueue: phy3 ieee80211_iface_work [ 66.207605][ T8] RIP: 0010:sta_info_insert_rcu+0x26f/0x2c30 [ 66.261900][ T8] Code: 24 e8 c5 35 2b f9 0f b6 85 50 ff ff ff 31 ff 83 e0 01 41 89 c4 89 c6 e8 bf 2d 2b f9 45 84 e4 0f 84 bc 00 00 00 e8 a1 35 2b f9 <0f> 0b 41 bc ea ff ff ff e8 94 35 2b f9 4c 89 f6 4c 89 ff e8 c9 f9 [ 66.281873][ T8] RSP: 0018:ffffc90000cd7970 EFLAGS: 00010293 [ 66.288150][ T8] RAX: 0000000000000000 RBX: ffff8880252fcc00 RCX: ffffffff8844ced1 [ 66.296356][ T8] RDX: ffff888010d1cec0 RSI: ffffffff8844cedf RDI: 0000000000000001 [ 66.304471][ T8] RBP: ffffc90000cd7ab0 R08: 0000000000000000 R09: ffff8880252fd25f [ 66.312743][ T8] R10: 0000000000000000 R11: 0000000000000001 R12: