Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.31' (ECDSA) to the list of known hosts.
syzkaller login: [   34.495224] IPVS: ftp: loaded support on port[0] = 21
executing program
[   34.552918] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   34.560510] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   34.571044] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   34.589385] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   34.602171] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[   34.608796] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   34.616382] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   34.623128] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[   34.639168] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   34.646376] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   34.654163] ------------[ cut here ]------------
[   34.659506] WARNING: CPU: 1 PID: 23 at net/wireless/ibss.c:36 __cfg80211_ibss_joined.cold+0x41/0x48
[   34.668692] Kernel panic - not syncing: panic_on_warn set ...
[   34.668692] 
[   34.676039] CPU: 1 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.176-syzkaller #0
[   34.683477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.692817] Workqueue: cfg80211 cfg80211_event_work
[   34.697812] Call Trace:
[   34.700387]  dump_stack+0x1fc/0x2ef
[   34.704000]  panic+0x26a/0x50e
[   34.707174]  ? __warn_printk+0xf3/0xf3
[   34.713566]  ? __cfg80211_ibss_joined.cold+0x41/0x48
[   34.718650]  ? __probe_kernel_read+0x130/0x1b0
[   34.723211]  ? __warn.cold+0x5/0x5a
[   34.726820]  ? __warn+0xe4/0x200
[   34.730170]  ? __cfg80211_ibss_joined.cold+0x41/0x48
[   34.735267]  __warn.cold+0x20/0x5a
[   34.738816]  ? __cfg80211_ibss_joined.cold+0x41/0x48
[   34.743903]  report_bug+0x262/0x2b0
[   34.747517]  do_error_trap+0x1d7/0x310
[   34.751386]  ? math_error+0x310/0x310
[   34.755172]  ? __irq_work_queue_local+0x101/0x160
[   34.759997]  ? irq_work_queue+0x29/0x80
[   34.763953]  ? error_entry+0x72/0xd0
[   34.767649]  ? trace_hardirqs_off_caller+0x6e/0x210
[   34.772671]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.777520]  invalid_op+0x14/0x20
[   34.780966] RIP: 0010:__cfg80211_ibss_joined.cold+0x41/0x48
[   34.786671] Code: ff e8 b2 23 51 f9 48 c7 c7 20 0e 66 89 e8 50 85 df ff 0f 0b e9 eb 11 77 ff e8 9a 23 51 f9 48 c7 c7 20 0e 66 89 e8 38 85 df ff <0f> 0b e9 d3 11 77 ff e8 82 23 51 f9 48 c7 c7 20 0e 66 89 e8 20 85
[   34.805551] RSP: 0018:ffff8880b504fc00 EFLAGS: 00010282
[   34.810895] RAX: 0000000000000024 RBX: ffff8880926fcf90 RCX: 0000000000000000
[   34.818145] RDX: 0000000000000000 RSI: ffffffff814de301 RDI: ffffed1016a09f72
[   34.825395] RBP: ffff8880926fc4c0 R08: 0000000000000024 R09: 0000000000000000
[   34.832643] R10: 0000000000000005 R11: 0000000000000000 R12: 1ffff11016a09f81
[   34.839891] R13: ffff8880af196e18 R14: 0000000000000000 R15: 0000000000000007
[   34.847152]  ? vprintk_func+0x81/0x180
[   34.851024]  ? __cfg80211_clear_ibss+0x10f0/0x10f0
[   34.855933]  ? mark_held_locks+0xa6/0xf0
[   34.859974]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   34.865059]  cfg80211_process_wdev_events+0x3db/0x5b0
[   34.870237]  cfg80211_process_rdev_events+0x6e/0x100
[   34.875321]  cfg80211_event_work+0x1a/0x20
[   34.879536]  process_one_work+0x864/0x1570
[   34.883753]  ? pwq_dec_nr_in_flight+0x2d0/0x2d0
[   34.888410]  worker_thread+0x64c/0x1130
[   34.892385]  ? process_one_work+0x1570/0x1570
[   34.896860]  kthread+0x33f/0x460
[   34.900216]  ? kthread_park+0x180/0x180
[   34.904184]  ret_from_fork+0x24/0x30
[   34.908567] Kernel Offset: disabled
[   34.912218] Rebooting in 86400 seconds..