IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
8021q: adding VLAN 0 to HW filter on device team0
==================================================================
BUG: KASAN: stack-out-of-bounds in jhash2 include/linux/jhash.h:137 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm6_addr_hash net/xfrm/xfrm_hash.h:16 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm_dst_hash net/xfrm/xfrm_hash.h:95 [inline]
BUG: KASAN: stack-out-of-bounds in xfrm_dst_hash net/xfrm/xfrm_state.c:61 [inline]
BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x396b/0x3eb0 net/xfrm/xfrm_state.c:952
Read of size 4 at addr ffff8801b43df308 by task syz-executor045/5968

CPU: 1 PID: 5968 Comm: syz-executor045 Not tainted 4.20.0-rc1-next-20181109+ #110
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 print_address_description.cold.7+0x9/0x1ff mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.8+0x242/0x309 mm/kasan/report.c:412
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432
 jhash2 include/linux/jhash.h:137 [inline]
 __xfrm6_addr_hash net/xfrm/xfrm_hash.h:16 [inline]
 __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline]
 __xfrm_dst_hash net/xfrm/xfrm_hash.h:95 [inline]
 xfrm_dst_hash net/xfrm/xfrm_state.c:61 [inline]
 xfrm_state_find+0x396b/0x3eb0 net/xfrm/xfrm_state.c:952
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:1413 [inline]
 xfrm_tmpl_resolve+0x3c0/0xe50 net/xfrm/xfrm_policy.c:1458
 xfrm_resolve_and_create_bundle+0x184/0x2800 net/xfrm/xfrm_policy.c:1753
 xfrm_lookup_with_ifid+0x39e/0x2b80 net/xfrm/xfrm_policy.c:2076
 xfrm_lookup net/xfrm/xfrm_policy.c:2200 [inline]
 xfrm_lookup_route+0x3c/0x1f0 net/xfrm/xfrm_policy.c:2211
 ip_route_output_flow+0xb1/0xc0 net/ipv4/route.c:2582
 udp_sendmsg+0x2235/0x3c50 net/ipv4/udp.c:1080
 udpv6_sendmsg+0x182f/0x36a0 net/ipv6/udp.c:1226
 inet_sendmsg+0x19c/0x690 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:632
 ___sys_sendmsg+0x51d/0x930 net/socket.c:2117
 __sys_sendmmsg+0x246/0x6d0 net/socket.c:2212
 __do_sys_sendmmsg net/socket.c:2241 [inline]
 __se_sys_sendmmsg net/socket.c:2238 [inline]
 __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2238
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4413f9
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 db 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffff2bf86e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004413f9
RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00000000006cc018 R08: 0000000000000100 R09: 0000000000000100
R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000402360
R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000

The buggy address belongs to the page:
page:ffffea0006d0f7c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 0000000000000000 ffffffff06d00101 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801b43df200: f2 f2 00 00 00 00 00 f2 f2 f2 f2 f2 f2 f2 00 00
 ffff8801b43df280: 00 00 00 00 f2 f2 f2 f2 f2 f2 00 00 00 00 00 00
>ffff8801b43df300: 00 f2 f2 f2 f2 f2 04 f2 f2 f2 f2 f2 f2 f2 f8 f2
                      ^
 ffff8801b43df380: f2 f2 f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 f2
 ffff8801b43df400: f2 f2 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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