[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. syzkaller login: [ 35.632221] IPVS: ftp: loaded support on port[0] = 21 [ 35.697269] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 35.704947] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.715098] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.733231] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 35.745371] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 35.751881] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.759076] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.766066] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.777466] ------------[ cut here ]------------ [ 35.778061] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium [ 35.784705] WARNING: CPU: 1 PID: 201 at net/mac80211/sta_info.c:476 sta_info_insert_rcu.cold+0x29/0xd8 [ 35.800922] Kernel panic - not syncing: panic_on_warn set ... [ 35.800922] [ 35.808280] CPU: 1 PID: 201 Comm: kworker/u4:4 Not tainted 4.19.160-syzkaller #0 [ 35.815837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.825183] Workqueue: phy3 ieee80211_iface_work [ 35.829915] Call Trace: [ 35.832485] dump_stack+0x1fc/0x2fe [ 35.836143] panic+0x26a/0x50e [ 35.839354] ? __warn_printk+0xf3/0xf3 [ 35.843243] ? sta_info_insert_rcu.cold+0x29/0xd8 [ 35.848064] ? __probe_kernel_read+0x130/0x1b0 [ 35.852674] ? __warn.cold+0x5/0x61 [ 35.856289] ? __warn+0xe4/0x200 [ 35.859645] ? sta_info_insert_rcu.cold+0x29/0xd8 [ 35.864475] __warn.cold+0x20/0x61 [ 35.868015] ? sta_info_insert_rcu.cold+0x29/0xd8 [ 35.872850] report_bug+0x262/0x2b0 [ 35.876467] do_error_trap+0x1d7/0x310 [ 35.880346] ? math_error+0x310/0x310 [ 35.884131] ? __irq_work_queue_local+0x101/0x160 [ 35.888965] ? irq_work_queue+0x29/0x80 [ 35.892919] ? error_entry+0x72/0xd0 [ 35.896624] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.901622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.906456] invalid_op+0x14/0x20 [ 35.909890] RIP: 0010:sta_info_insert_rcu.cold+0x29/0xd8 [ 35.915319] Code: ff e8 7d f9 ad f9 48 c7 c7 80 b8 66 89 e8 00 f3 98 f9 0f 0b e9 a6 6f ff ff e8 65 f9 ad f9 48 c7 c7 80 b8 66 89 e8 e8 f2 98 f9 <0f> 0b 41 bc ea ff ff ff e9 10 81 ff ff e8 47 f9 ad f9 48 c7 c7 80 [ 35.934210] RSP: 0018:ffff8880b4cdfa60 EFLAGS: 00010282 [ 35.939562] RAX: 0000000000000024 RBX: ffff8880b1641f80 RCX: 0000000000000000 [ 35.946846] RDX: 0000000000000000 RSI: ffffffff814fdb91 RDI: ffffed101699bf3e [ 35.954102] RBP: 0000000000000001 R08: 0000000000000024 R09: 0000000000000000 [ 35.961358] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffeeffff [ 35.968623] R13: ffff8880afe22bc8 R14: ffff8880afe22b80 R15: ffff888094f49160 [ 35.975905] ? vprintk_func+0x81/0x17e [ 35.979784] ? check_preemption_disabled+0x41/0x280 [ 35.984789] ? minstrel_ht_rate_update+0x40/0x40 [ 35.989530] ? rate_control_rate_init+0x2fa/0x4f0 [ 35.994359] ieee80211_ibss_finish_sta+0x25b/0x360 [ 35.999293] ? ieee80211_sta_join_ibss+0xe50/0xe50 [ 36.004204] ? mark_held_locks+0xa6/0xf0 [ 36.008250] ? __local_bh_enable_ip+0x159/0x270 [ 36.012905] ieee80211_ibss_work+0x2b6/0xe10 [ 36.017301] ? ieee80211_ibss_rx_queued_mgmt+0x18b0/0x18b0 [ 36.022907] ? mark_held_locks+0xa6/0xf0 [ 36.026964] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 36.032051] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.036618] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 36.041717] ieee80211_iface_work+0x7ba/0x8a0 [ 36.046210] process_one_work+0x864/0x1570 [ 36.050441] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 36.055102] worker_thread+0x64c/0x1130 [ 36.059065] ? __kthread_parkme+0x133/0x1e0 [ 36.063372] ? process_one_work+0x1570/0x1570 [ 36.067851] kthread+0x33f/0x460 [ 36.071200] ? kthread_park+0x180/0x180 [ 36.075157] ret_from_fork+0x24/0x30 [ 36.079736] Kernel Offset: disabled [ 36.083403] Rebooting in 86400 seconds..