[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.177' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 34.768874] kasan: CONFIG_KASAN_INLINE enabled
[ 34.773728] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 34.783229] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 34.789488] Modules linked in:
[ 34.792704] CPU: 1 PID: 6347 Comm: syz-executor362 Not tainted 4.14.175-syzkaller #0
[ 34.800567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 34.810043] task: ffff888097ddc2c0 task.stack: ffff8880983a8000
[ 34.816192] RIP: 0010:vxlan_fdb_destroy+0xa3/0x1b0
[ 34.821110] RSP: 0018:ffff8880983af128 EFLAGS: 00010a02
[ 34.826452] RAX: dffffc0000000000 RBX: ffff88809d9f5600 RCX: 1ffff11013075e1b
[ 34.833896] RDX: 1bd5a00000000040 RSI: ffff88809d9f5600 RDI: ffff8880863492c0
[ 34.841272] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 34.848531] R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200
[ 34.855781] R13: ffff88809d9f5608 R14: ffff8880983af228 R15: ffff888086349180
[ 34.863053] FS: 00007fead4448700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
[ 34.871525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.877387] CR2: 000055f0290df920 CR3: 00000000a90df000 CR4: 00000000001406e0
[ 34.884803] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 34.892071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 34.899325] Call Trace:
[ 34.901903] __vxlan_dev_create+0x3bc/0x710
[ 34.906213] ? vxlan_nl2conf+0x1137/0x22a0
[ 34.910441] ? vxlan_changelink+0x660/0x660
[ 34.914920] ? vxlan_setup+0x4a0/0x4a0
[ 34.918819] ? kasan_unpoison_shadow+0x30/0x40
[ 34.923400] ? kasan_kmalloc+0xbf/0xe0
[ 34.927292] vxlan_newlink+0xa3/0xe0
[ 34.930996] ? __vxlan_dev_create+0x710/0x710
[ 34.935502] ? kvmalloc_node+0x4e/0xd0
[ 34.939379] ? rtnl_create_link+0x129/0x880
[ 34.943705] rtnl_newlink+0xecb/0x1720
[ 34.947589] ? __vxlan_dev_create+0x710/0x710
[ 34.952074] ? rtnl_link_unregister+0x1f0/0x1f0
[ 34.956741] ? lock_acquire+0x170/0x3f0
[ 34.960707] ? lock_acquire+0x170/0x3f0
[ 34.964672] ? __lock_is_held+0xad/0x140
[ 34.968715] ? lock_downgrade+0x6e0/0x6e0
[ 34.972858] ? rtnl_link_unregister+0x1f0/0x1f0
[ 34.977506] rtnetlink_rcv_msg+0x3be/0xb10
[ 34.981738] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 34.986305] ? save_trace+0x290/0x290
[ 34.990083] ? save_trace+0x290/0x290
[ 34.993902] netlink_rcv_skb+0x127/0x370
[ 34.997943] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 35.002504] ? netlink_ack+0x980/0x980
[ 35.006392] netlink_unicast+0x437/0x620
[ 35.010471] ? netlink_attachskb+0x600/0x600
[ 35.014872] netlink_sendmsg+0x733/0xbe0
[ 35.018923] ? netlink_unicast+0x620/0x620
[ 35.023140] ? __lock_is_held+0xad/0x140
[ 35.027197] ? security_socket_sendmsg+0x83/0xb0
[ 35.031946] ? netlink_unicast+0x620/0x620
[ 35.036327] sock_sendmsg+0xc5/0x100
[ 35.040039] sock_no_sendpage+0xe5/0x110
[ 35.044210] ? sock_kzfree_s+0x50/0x50
[ 35.048087] ? sock_kzfree_s+0x50/0x50
[ 35.051969] kernel_sendpage+0x82/0xd0
[ 35.055872] sock_sendpage+0x84/0xa0
[ 35.059570] pipe_to_sendpage+0x226/0x2d0
[ 35.063698] ? kernel_sendpage+0xd0/0xd0
[ 35.067740] ? direct_splice_actor+0x160/0x160
[ 35.072337] ? splice_from_pipe_next.part.0+0x1e4/0x290
[ 35.077689] __splice_from_pipe+0x332/0x740
[ 35.082038] ? direct_splice_actor+0x160/0x160
[ 35.086743] ? direct_splice_actor+0x160/0x160
[ 35.091333] splice_from_pipe+0xc6/0x120
[ 35.095387] ? splice_shrink_spd+0xb0/0xb0
[ 35.099611] ? rw_verify_area+0xe1/0x2a0
[ 35.103656] ? splice_from_pipe+0x120/0x120
[ 35.107963] SyS_splice+0xca0/0x1230
[ 35.112270] ? trace_hardirqs_on_caller+0x3f6/0x590
[ 35.117268] ? compat_SyS_vmsplice+0x250/0x250
[ 35.121844] ? do_syscall_64+0x4c/0x640
[ 35.125795] ? compat_SyS_vmsplice+0x250/0x250
[ 35.130373] do_syscall_64+0x1d5/0x640
[ 35.134247] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 35.139418] RIP: 0033:0x445ac9
[ 35.142597] RSP: 002b:00007fead4447d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
[ 35.150286] RAX: ffffffffffffffda RBX: 00000000006dac58 RCX: 0000000000445ac9
[ 35.157535] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004
[ 35.164907] RBP: 00000000006dac50 R08: 000000000004ffe2 R09: 0000000000000000
[ 35.172171] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac5c
[ 35.179427] R13: 0000000000000000 R14: 0000000000000000 R15: 0705001000000048
[ 35.186841] Code: 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 fe 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 d2 00 00 00 48 85 ed 49 89 2c 24 74 28 e8 85
[ 35.206226] RIP: vxlan_fdb_destroy+0xa3/0x1b0 RSP: ffff8880983af128
[ 35.220756] ---[ end trace 1f333a461c6edc6b ]---
[ 35.225529] Kernel panic - not syncing: Fatal exception
[ 35.232496] Kernel Offset: disabled
[ 35.236135] Rebooting in 86400 seconds..