======================================
| make: Leaving directory '/home/virtme/testing/wt-4/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 0xffff888002867e40 (size 64):
comm "ping6", pid 390, jiffies 4294700138
hex dump (first 32 bytes):

DETECTED CRASH, lowering timeout
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 0xffff88800767da40 (size 64):
comm "ping6", pid 395, jiffies 4294701461
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 0xffff888004df8440 (size 64):
comm "ping6", pid 439, jiffies 4294708260
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 0xffff888004ac4340 (size 64):
comm "ping6", pid 444, jiffies 4294709603
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) 


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