======================================
| make: Leaving directory '/home/virtme/testing/wt-16/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> echo scan > /sys/kernel/debug/kmemleak
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff8880085ef740 (size 64):
comm "ip", pid 296, jiffies 4294688929
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
backtrace (crc 0):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4195 mm/slub.c:4240 mm/slub.c:4375 mm/slub.c:4388) 
udpv6_init_sock (./include/net/udp.h:297 net/ipv6/udp.c:70) 
inet6_create.part.0 (net/ipv6/af_inet6.c:259) 
__sock_create+0
DETECTED CRASH, lowering timeout
x235/0x690
udp_sock_create6 (net/ipv6/ip6_udp_tunnel.c:25) ip6_udp_tunnel 
vxlan_create_sock (drivers/net/vxlan/vxlan_core.c:3540) vxlan 
vxlan_socket_create (drivers/net/vxlan/vxlan_core.c:3566) vxlan 
__vxlan_sock_add (drivers/net/vxlan/vxlan_core.c:3627) vxlan 
vxlan_open (drivers/net/vxlan/vxlan_core.c:3662 drivers/net/vxlan/vxlan_core.c:2940) vxlan 
__dev_open (net/core/dev.c:1684) 
__dev_change_flags (net/core/dev.c:9630) 
netif_change_flags (net/core/dev.c:9693) 
do_setlink.constprop.0 (net/core/rtnetlink.c:3151) 
rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4066) 
rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 


Finger prints:
__kmalloc_noprof:udpv6_init_sock:udp_sock_create6:vxlan_create_sock:vxlan_socket_create