kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 11886 Comm: syz-executor.3 Not tainted 5.0.0-rc7-next-20190222 #41
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ip6erspan_set_version+0x5c/0x350 net/ipv6/ip6_gre.c:1726
Code: 07 38 d0 7f 08 84 c0 0f 85 9f 02 00 00 49 8d bc 24 b0 00 00 00 c6 43 54 01 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9a 02 00 00 4d 8b ac 24 b0 00 00 00 4d 85 ed 0f
RSP: 0018:ffff888214797168 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88809fae55d8 RCX: ffffc9000c446000
RDX: 0000000000000016 RSI: ffffffff8627dd34 RDI: 00000000000000b0
RBP: ffff888214797180 R08: 1ffff11013f5cabb R09: ffff88809fae55d8
R10: ffffed1013f5cac5 R11: ffff88809fae562f R12: 0000000000000000
R13: ffff88808f4c8100 R14: ffffffff8628cc50 R15: ffff88809fae55d8
FS:  00007f1f44188700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 000000004c1da000 CR4: 00000000001426e0
Call Trace:
 ip6erspan_newlink+0x66/0x7b0 net/ipv6/ip6_gre.c:2210
 __rtnl_newlink+0x107b/0x16c0 net/core/rtnetlink.c:3176
 rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3234
 rtnetlink_rcv_msg+0x465/0xb00 net/core/rtnetlink.c:5192
 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5210
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:631
 ___sys_sendmsg+0x806/0x930 net/socket.c:2136
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2174
 __do_sys_sendmsg net/socket.c:2183 [inline]
 __se_sys_sendmsg net/socket.c:2181 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2181
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f1f44187c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 0000000000000000 RSI: 0000000020001340 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1f441886d4
R13: 00000000004c54d4 R14: 00000000004d93b0 R15: 00000000ffffffff
Modules linked in:
---[ end trace 0f6556746318f638 ]---
RIP: 0010:ip6erspan_set_version+0x5c/0x350 net/ipv6/ip6_gre.c:1726
Code: 07 38 d0 7f 08 84 c0 0f 85 9f 02 00 00 49 8d bc 24 b0 00 00 00 c6 43 54 01 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9a 02 00 00 4d 8b ac 24 b0 00 00 00 4d 85 ed 0f
RSP: 0018:ffff888214797168 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88809fae55d8 RCX: ffffc9000c446000
RDX: 0000000000000016 RSI: ffffffff8627dd34 RDI: 00000000000000b0
RBP: ffff888214797180 R08: 1ffff11013f5cabb R09: ffff88809fae55d8
R10: ffffed1013f5cac5 R11: ffff88809fae562f R12: 0000000000000000
R13: ffff88808f4c8100 R14: ffffffff8628cc50 R15: ffff88809fae55d8
FS:  00007f1f44188700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 000000004c1da000 CR4: 00000000001426e0