======================================
| make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
| make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff8880090f0d00 (size 256):
comm "ip", pid 739, jiffies 4294699095
hex dump (first 32 bytes):
00 00 00 00
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  ................
backtrace (crc 0):
__kmalloc_node_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4293 mm/slub.c:4300) 
fib4_semantics_init (net/ipv4/fib_semantics.c:2241) 
fib_net_init (net/ipv4/fib_frontend.c:1640 net/ipv4/fib_frontend.c:1629) 
ops_init (net/core/net_namespace.c:138) 
setup_net (net/core/net_namespace.c:362) 
copy_net_ns (net/core/net_namespace.c:518) 
create_new_namespaces (kernel/nsproxy.c:110) 
unshare_nsproxy_namespaces (kernel/nsproxy.c:228 (discriminator 4)) 
ksys_unshare (kernel/fork.c:3342) 
__x64_sys_unshare (kernel/fork.c:3411) 
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
| do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
| entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
|
| DETECTED CRASH, lowering timeout
unreferenced object 0xffff8880090f0d00 (size 256):
comm "ip", pid 739, jiffies 4294699095
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_node_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4293 mm/slub.c:4300) 
fib4_semantics_init (net/ipv4/fib_semantics.c:2241) 
fib_net_init (net/ipv4/fib_frontend.c:1640 net/ipv4/fib_frontend.c:1629) 
ops_init (net/core/net_namespace.c:138) 
setup_net (net/core/net_namespace.c:362) 
copy_net_ns (net/core/net_namespace.c:518) 
create_new_namespaces (kernel/nsproxy.c:110) 
unshare_nsproxy_namespaces (kernel/nsproxy.c:228 (discriminator 4)) 
ksys_unshare (kernel/fork.c:3342) 
__x64_sys_unshare (kernel/fork.c:3411) 
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 


Finger prints:
__kmalloc_node_noprof:fib4_semantics_init:fib_net_init:ops_init:setup_net
do_syscall_64:__kmalloc_node_noprof:fib4_semantics_init:fib_net_init:ops_init