[  OK  ] Started Getty on tty2.
[  OK  ] Started Serial Getty on ttyS0.
[  OK  ] Started Getty on tty1.
[  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 '10.128.0.9' (ECDSA) to the list of known hosts.
syzkaller login: [   33.140231] IPVS: ftp: loaded support on port[0] = 21
[   33.203670] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   33.211545] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   33.221745] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   33.238421] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
executing program
executing program
[   33.250075] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[   33.256431] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   33.264051] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   33.271371] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[   33.289735] ------------[ cut here ]------------
[   33.294983] WARNING: CPU: 0 PID: 8176 at net/wireless/sme.c:533 cfg80211_connect.cold+0x47/0x6c
[   33.303809] Kernel panic - not syncing: panic_on_warn set ...
[   33.303809] 
[   33.311164] CPU: 0 PID: 8176 Comm: syz-executor407 Not tainted 4.19.170-syzkaller #0
[   33.319037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.328376] Call Trace:
[   33.331050]  dump_stack+0x1fc/0x2ef
[   33.334672]  panic+0x26a/0x50e
[   33.337854]  ? __warn_printk+0xf3/0xf3
[   33.341739]  ? cfg80211_connect.cold+0x47/0x6c
[   33.346452]  ? __probe_kernel_read+0x130/0x1b0
[   33.351035]  ? __warn.cold+0x5/0x5a
[   33.354696]  ? __warn+0xe4/0x200
[   33.358070]  ? cfg80211_connect.cold+0x47/0x6c
[   33.362640]  __warn.cold+0x20/0x5a
[   33.366260]  ? cfg80211_connect.cold+0x47/0x6c
[   33.370830]  report_bug+0x262/0x2b0
[   33.374496]  do_error_trap+0x1d7/0x310
[   33.378373]  ? math_error+0x310/0x310
[   33.382252]  ? __irq_work_queue_local+0x101/0x160
[   33.387504]  ? irq_work_queue+0x29/0x80
[   33.391472]  ? error_entry+0x72/0xd0
[   33.395186]  ? trace_hardirqs_off_caller+0x6e/0x210
[   33.400202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.405038]  invalid_op+0x14/0x20
[   33.408490] RIP: 0010:cfg80211_connect.cold+0x47/0x6c
[   33.413678] Code: 48 c7 c7 60 0c 66 89 e8 5e 7d df ff 0f 0b 41 bc ea ff ff ff e9 c5 e6 77 ff e8 7e 43 51 f9 48 c7 c7 60 0c 66 89 e8 40 7d df ff <0f> 0b 41 bc 8d ff ff ff e9 64 ed 77 ff e8 60 43 51 f9 48 c7 c7 60
[   33.432580] RSP: 0018:ffff88809547f370 EFLAGS: 00010286
[   33.437938] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000
[   33.445213] RDX: 0000000000000000 RSI: ffffffff814de1b1 RDI: ffffed1012a8fe60
[   33.452473] RBP: ffff8880afb92110 R08: 0000000000000024 R09: 0000000000000000
[   33.459733] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809547f508
[   33.466997] R13: ffffffff896736e0 R14: ffff8880afb92138 R15: 0000000000000006
[   33.474676]  ? vprintk_func+0x81/0x180
[   33.478567]  ? mark_held_locks+0xf0/0xf0
[   33.482670]  ? __cfg80211_disconnected+0x1920/0x1920
[   33.487770]  ? memset+0x20/0x40
[   33.491051]  ? nl80211_crypto_settings+0x54c/0xc00
[   33.496021]  ? ieee80211_get_channel+0x12d/0x1a0
[   33.500777]  nl80211_connect+0x1672/0x2010
[   33.505081]  ? nl80211_join_ibss+0x1300/0x1300
[   33.509654]  ? lock_acquire+0x170/0x3c0
[   33.513743]  ? nl80211_pre_doit+0x34f/0x620
[   33.518106]  ? nl80211_pre_doit+0xa2/0x620
[   33.522333]  ? __cfg80211_rdev_from_attrs+0x700/0x700
[   33.527521]  genl_family_rcv_msg+0x642/0xc40
[   33.531927]  ? genl_rcv+0x40/0x40
[   33.535371]  ? genl_rcv_msg+0x12f/0x160
[   33.539335]  ? __mutex_add_waiter+0x160/0x160
[   33.543912]  ? __radix_tree_lookup+0x216/0x370
[   33.548487]  genl_rcv_msg+0xbf/0x160
[   33.552200]  netlink_rcv_skb+0x160/0x440
[   33.556399]  ? genl_family_rcv_msg+0xc40/0xc40
[   33.560985]  ? netlink_ack+0xae0/0xae0
[   33.565027]  ? genl_rcv+0x15/0x40
[   33.568530]  genl_rcv+0x24/0x40
[   33.571803]  netlink_unicast+0x4d5/0x690
[   33.575889]  ? netlink_sendskb+0x110/0x110
[   33.580144]  ? _copy_from_iter_full+0x229/0x7c0
[   33.584866]  ? __phys_addr_symbol+0x2c/0x70
[   33.589188]  ? __check_object_size+0x17b/0x3e0
[   33.593789]  netlink_sendmsg+0x6bb/0xc40
[   33.597887]  ? aa_af_perm+0x230/0x230
[   33.601828]  ? nlmsg_notify+0x1a0/0x1a0
[   33.605795]  ? kernel_recvmsg+0x220/0x220
[   33.609944]  ? nlmsg_notify+0x1a0/0x1a0
[   33.614083]  sock_sendmsg+0xc3/0x120
[   33.617793]  ___sys_sendmsg+0x7bb/0x8e0
[   33.621889]  ? copy_msghdr_from_user+0x440/0x440
[   33.626653]  ? sock_ioctl+0x30e/0x5d0
[   33.630529]  ? dlci_ioctl_set+0x30/0x30
[   33.634608]  ? lock_downgrade+0x720/0x720
[   33.638839]  ? lock_acquire+0x170/0x3c0
[   33.642936]  ? debug_object_active_state+0x104/0x330
[   33.648058]  ? mark_held_locks+0xf0/0xf0
[   33.652193]  ? dlci_ioctl_set+0x30/0x30
[   33.656161]  ? do_vfs_ioctl+0x110/0x12e0
[   33.660259]  ? ioctl_preallocate+0x200/0x200
[   33.664702]  ? __fdget+0x1a0/0x230
[   33.668237]  __x64_sys_sendmsg+0x132/0x220
[   33.672465]  ? __sys_sendmsg+0x1b0/0x1b0
[   33.676521]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   33.681967]  ? trace_hardirqs_off_caller+0x6e/0x210
[   33.686980]  ? do_syscall_64+0x21/0x620
[   33.691006]  do_syscall_64+0xf9/0x620
[   33.694801]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   33.699981] RIP: 0033:0x442139
[   33.703166] Code: e8 ac 00 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   33.722059] RSP: 002b:00007ffef0c34998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.729931] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442139
[   33.737190] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003
[   33.744463] RBP: 0000000000000000 R08: 0000001e00000000 R09: 0000001e00000000
[   33.751810] R10: 0000001e00000000 R11: 0000000000000246 R12: 00000000000081f8
[   33.759070] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004
[   33.767333] Kernel Offset: disabled
[   33.771023] Rebooting in 86400 seconds..