Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   29.079828] kasan: CONFIG_KASAN_INLINE enabled
[   29.084457] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   29.093002] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   29.099228] Modules linked in:
[   29.102400] CPU: 0 PID: 7979 Comm: syz-executor596 Not tainted 4.14.260-syzkaller #0
[   29.110254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   29.119583] task: ffff8880947c00c0 task.stack: ffff8880a2f18000
[   29.125617] RIP: 0010:vxlan_fdb_destroy+0xb4/0x1f0
[   29.130516] RSP: 0018:ffff8880a2f1f150 EFLAGS: 00010a02
[   29.135947] RAX: dffffc0000000000 RBX: ffff8880a08b7900 RCX: 1ffff110145e3e20
[   29.143197] RDX: 1bd5a00000000040 RSI: ffff8880a08b7900 RDI: ffff8880a08b7908
[   29.150447] RBP: 0000000000000000 R08: ffffffff8b9b7b70 R09: 0000000000000000
[   29.157709] R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200
[   29.164950] R13: 0000000000000000 R14: ffff8880a2f1f250 R15: ffff8880b35be840
[   29.172193] FS:  00007f8b59785700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   29.180389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.186241] CR2: 00007f4e53296020 CR3: 00000000a9581000 CR4: 00000000003406f0
[   29.193485] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   29.200726] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   29.207971] Call Trace:
[   29.210539]  __vxlan_dev_create+0x3b0/0x710
[   29.214835]  ? vxlan_fdb_add+0x2e0/0x2e0
[   29.218876]  ? vxlan_setup+0x460/0x460
[   29.222736]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   29.227734]  ? kmem_cache_alloc_node_trace+0x383/0x400
[   29.233016]  vxlan_newlink+0xa3/0xe0
[   29.236715]  ? __vxlan_dev_create+0x710/0x710
[   29.241187]  ? rtnl_create_link+0x129/0x890
[   29.245484]  rtnl_newlink+0xfab/0x1860
[   29.249352]  ? __lock_acquire+0x5fc/0x3f20
[   29.253877]  ? __vxlan_dev_create+0x710/0x710
[   29.258348]  ? rtnl_dellink+0x6a0/0x6a0
[   29.262295]  ? trace_hardirqs_on+0x10/0x10
[   29.266606]  ? get_page_from_freelist+0xaf6/0x2560
[   29.271506]  ? trace_hardirqs_on+0x10/0x10
[   29.275985]  ? deref_stack_reg+0x124/0x1a0
[   29.280210]  ? lock_acquire+0x170/0x3f0
[   29.284157]  ? lock_downgrade+0x740/0x740
[   29.288277]  ? rtnl_dellink+0x6a0/0x6a0
[   29.292224]  rtnetlink_rcv_msg+0x3be/0xb10
[   29.296433]  ? rtnl_calcit.isra.0+0x3a0/0x3a0
[   29.300898]  ? __netlink_lookup+0x345/0x5d0
[   29.305194]  netlink_rcv_skb+0x125/0x390
[   29.309228]  ? rtnl_calcit.isra.0+0x3a0/0x3a0
[   29.313707]  ? netlink_ack+0x9a0/0x9a0
[   29.317568]  netlink_unicast+0x437/0x610
[   29.321606]  ? netlink_sendskb+0xd0/0xd0
[   29.325640]  ? __check_object_size+0x179/0x230
[   29.330199]  netlink_sendmsg+0x648/0xbc0
[   29.334231]  ? nlmsg_notify+0x1b0/0x1b0
[   29.338198]  ? security_socket_sendmsg+0x83/0xb0
[   29.342940]  ? nlmsg_notify+0x1b0/0x1b0
[   29.346888]  sock_sendmsg+0xb5/0x100
[   29.350576]  sock_no_sendpage+0xe2/0x110
[   29.354714]  ? __sk_mem_schedule+0xd0/0xd0
[   29.358945]  ? __sk_mem_schedule+0xd0/0xd0
[   29.363166]  sock_sendpage+0xdf/0x140
[   29.367033]  pipe_to_sendpage+0x226/0x2d0
[   29.371161]  ? sockfs_setattr+0x140/0x140
[   29.375285]  ? direct_splice_actor+0x160/0x160
[   29.381492]  __splice_from_pipe+0x326/0x7a0
[   29.385863]  ? direct_splice_actor+0x160/0x160
[   29.390469]  generic_splice_sendpage+0xc1/0x110
[   29.395119]  ? vmsplice_to_user+0x1b0/0x1b0
[   29.399427]  ? rw_verify_area+0xe1/0x2a0
[   29.403472]  ? vmsplice_to_user+0x1b0/0x1b0
[   29.407768]  SyS_splice+0xd59/0x1380
[   29.411463]  ? finish_task_switch+0x47a/0x610
[   29.415981]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   29.420968]  ? compat_SyS_vmsplice+0x150/0x150
[   29.425523]  ? do_syscall_64+0x4c/0x640
[   29.429469]  ? compat_SyS_vmsplice+0x150/0x150
[   29.434033]  do_syscall_64+0x1d5/0x640
[   29.437900]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   29.443076] RIP: 0033:0x7f8b59814fe9
[   29.446760] RSP: 002b:00007f8b597852f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
[   29.454518] RAX: ffffffffffffffda RBX: 00007f8b5989d448 RCX: 00007f8b59814fe9
[   29.461763] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000006
[   29.469012] RBP: 00007f8b5989d440 R08: 000000000004fff1 R09: 0000000000000000
[   29.476255] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8b5989d44c
[   29.483511] R13: 00007f8b5986b004 R14: 0000006e616c7876 R15: 0000000000022000
[   29.490844] Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 11 01 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 09 01 00 00 48 85 ed 49 89 2c 24 74 28 e8 d4 
[   29.509917] RIP: vxlan_fdb_destroy+0xb4/0x1f0 RSP: ffff8880a2f1f150
[   29.525800] ---[ end trace 78c3d4b1b3c5d2e2 ]---
[   29.525806] Kernel panic - not syncing: Fatal exception
[   29.525871] Kernel Offset: disabled
[   29.539556] Rebooting in 86400 seconds..