======================================
| make: Leaving directory '/home/virtme/testing/wt-3/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 0xffff888004a1e540 (size 64):
comm "ping", pid 864, jiffies 4294764378
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 (net/socket.c:1589) 
__sys_socket (net/socket.c:1686 net/socket.c:1669 net/socket.c:1731) 
__x64_sys_socket (net/socket.c:1743) 
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
unreferenced object 0xffff888014cfcd40 (size 64):
comm "ping", pid 867, jiffies 4294766880
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 (net/socket.c:1589) 
__sys_socket (net/socket.c:1686 net/socket.c:1669 net/socket.c:1731) 
__
DETECTED CRASH, lowering timeout
x64_sys_socket+0x72/0xb0 
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 


Finger prints:
__kmalloc_noprof:udpv6_init_sock:__sock_create:__sys_socket:__x64_sys_socket