[ 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 '10.128.1.54' (ECDSA) to the list of known hosts. syzkaller login: [ 38.925014] IPVS: ftp: loaded support on port[0] = 21 [ 38.991368] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 39.001515] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.013568] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.032601] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.047700] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 39.059481] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.066689] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.074380] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 39.164526] ------------[ cut here ]------------ [ 39.170263] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium [ 39.170452] WARNING: CPU: 0 PID: 7 at net/mac80211/sta_info.c:478 sta_info_insert_rcu.cold+0x29/0xd8 [ 39.188863] Kernel panic - not syncing: panic_on_warn set ... [ 39.188863] [ 39.196238] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 [ 39.204100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 39.213537] Workqueue: phy2 ieee80211_iface_work [ 39.218322] Call Trace: [ 39.220944] dump_stack+0x1fc/0x2ef [ 39.224602] panic+0x26a/0x50e [ 39.227884] ? __warn_printk+0xf3/0xf3 [ 39.231984] ? sta_info_insert_rcu.cold+0x29/0xd8 [ 39.236926] ? __probe_kernel_read+0x130/0x1b0 [ 39.241561] ? __warn.cold+0x5/0x5a [ 39.245192] ? __warn+0xe4/0x200 [ 39.248561] ? sta_info_insert_rcu.cold+0x29/0xd8 [ 39.254751] __warn.cold+0x20/0x5a [ 39.258438] ? sta_info_insert_rcu.cold+0x29/0xd8 [ 39.263377] report_bug+0x262/0x2b0 [ 39.267080] do_error_trap+0x1d7/0x310 [ 39.271097] ? math_error+0x310/0x310 [ 39.275407] ? __irq_work_queue_local+0x101/0x160 [ 39.280577] ? irq_work_queue+0x29/0x80 [ 39.284735] ? error_entry+0x72/0xd0 [ 39.288578] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.293868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.298838] invalid_op+0x14/0x20 [ 39.302304] RIP: 0010:sta_info_insert_rcu.cold+0x29/0xd8 [ 39.307750] Code: ff e8 46 36 4e f9 48 c7 c7 60 4b 67 89 e8 a5 67 df ff 0f 0b e9 4f ca 82 ff e8 2e 36 4e f9 48 c7 c7 60 4b 67 89 e8 8d 67 df ff <0f> 0b 41 bc ea ff ff ff e9 b9 db 82 ff e8 10 36 4e f9 48 c7 c7 60 [ 39.327898] RSP: 0018:ffff8880b5a47a60 EFLAGS: 00010282 [ 39.333651] RAX: 0000000000000024 RBX: ffff8880b160cd80 RCX: 0000000000000000 [ 39.340976] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1016b48f3e [ 39.349002] RBP: 0000000000000001 R08: 0000000000000024 R09: 0000000000000000 [ 39.356622] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffeeffff [ 39.365165] R13: ffff8880b28d6208 R14: ffff8880b28d61c0 R15: ffff8880a1ab9100 [ 39.372578] ? vprintk_func+0x81/0x180 [ 39.376661] ? check_preemption_disabled+0x41/0x280 [ 39.381720] ? minstrel_ht_rate_update+0x40/0x40 [ 39.386552] ? rate_control_rate_init+0x2fa/0x4f0 [ 39.391632] ieee80211_ibss_finish_sta+0x25b/0x360 [ 39.396579] ? ieee80211_sta_join_ibss+0xe50/0xe50 [ 39.401751] ? mark_held_locks+0xa6/0xf0 [ 39.406040] ? __local_bh_enable_ip+0x159/0x270 [ 39.411142] ieee80211_ibss_work+0x2b6/0xe10 [ 39.415669] ? ieee80211_ibss_rx_queued_mgmt+0x18b0/0x18b0 [ 39.421401] ? mark_held_locks+0xa6/0xf0 [ 39.425655] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 39.431469] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.436220] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 39.442064] ieee80211_iface_work+0x7ba/0x8a0 [ 39.447111] process_one_work+0x864/0x1570 [ 39.452311] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 39.457622] worker_thread+0x64c/0x1130 [ 39.462654] ? process_one_work+0x1570/0x1570 [ 39.467902] kthread+0x33f/0x460 [ 39.472123] ? kthread_park+0x180/0x180 [ 39.476857] ret_from_fork+0x24/0x30 [ 39.481489] Kernel Offset: disabled [ 39.485509] Rebooting in 86400 seconds..