IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
IPv6: veth0: IPv6 duplicate address fe80::a used by aa:aa:aa:aa:00:0a detected!
IPv6: veth1: IPv6 duplicate address fe80::a8aa:aaff:feaa:a used by aa:aa:aa:aa:00:0a detected!
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 4226 Comm: syzkaller445662 Not tainted 4.16.0-rc2+ #327
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kernel_sock_shutdown+0x29/0x70 net/socket.c:3250
RSP: 0018:ffff8801d017fcc8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff846026f4
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
RBP: ffff8801d017fce0 R08: 0000000000000000 R09: 1ffff1003a02ff15
R10: ffff8801d017f870 R11: 0000000000000001 R12: ffff8801cb78f7d2
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801d017fd58
FS:  00000000021ea880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff72aa9d000 CR3: 00000001b13ca001 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_shutdown+0x3ed/0x540 net/smc/af_smc.c:1268
 SYSC_shutdown net/socket.c:1901 [inline]
 SyS_shutdown+0x137/0x290 net/socket.c:1892
 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x444d19
RSP: 002b:00007fff02d207f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000030
RAX: ffffffffffffffda RBX: 00000000004a6650 RCX: 0000000000444d19
RDX: 0000000000444d19 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fff02d208c0 R08: 00000000004a6650 R09: 00000000004a6650
R10: 00000000004a6650 R11: 0000000000000217 R12: 00007fff02d208c0
R13: 0000000000402240 R14: 0000000000000000 R15: 0000000000000000
Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 ac e5 10 fd 48 8d 7b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 32 4c 8b 63 28 48 b8 00 00 00 00 00 fc ff df 49 
RIP: kernel_sock_shutdown+0x29/0x70 net/socket.c:3250 RSP: ffff8801d017fcc8
---[ end trace ab0af634d31032b4 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..