======================================
| make[1]: Leaving directory '/home/virtme/testing-14/tools/testing/selftests/drivers/net/netdevsim'
| make: Leaving directory '/home/virtme/testing-14/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff888004f4ee00 (size 512):
comm "ip", pid 529, jiffies 4294692028
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) 
fib_info_hash_grow (./include/linux/slab.h:1063 net/ipv4/fib_semantics.c:368 net/ipv4/fib_semantics.c:387) 
fib_create_info (net/ipv4/fib_semantics.c:1408) 
fib_table_insert (net/ipv4/fib_trie.c:1212) 
inet_rtm_newroute (net/ipv4/fib_frontend.c:929) 
rtnetlink_rcv_msg (net/core/rtnetlink.c:6941) 
netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
netlink_sendmsg (net/netlink/af_netlink.c:1883) 
____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2564) 
___sys_sendmsg (net/socket.c:2620) 
__sys_sendmsg (net/socket.c:2650) 
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) 
| ___sys_sendmsg (net/socket.c:2620) 
| __sys_sendmsg (net/socket.c:2650) 
| 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
unreferenced object 0xffff888004f4ee00 (size 512):
comm "ip", pid 529, jiffies 4294692028
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) 
fib_info_hash_grow (./include/linux/slab.h:1063 net/ipv4/fib_semantics.c:368 net/ipv4/fib_semantics.c:387) 
fib_create_info (net/ipv4/fib_semantics.c:1408) 
fib_table_insert (net/ipv4/fib_trie.c:1212) 
inet_rtm_newroute (net/ipv4/fib_frontend.c:929) 
rtnetlink_rcv_msg (net/core/rtnetlink.c:6941) 
netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
netlink_sendmsg (net/netlink/af_netlink.c:1883) 
____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2564) 
___sys_sendmsg (net/socket.c:2620) 
__sys_sendmsg (net/socket.c:2650) 
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 


Finger prints:
__kmalloc_node_noprof:fib_info_hash_grow:fib_create_info:fib_table_insert:inet_rtm_newroute
___sys_sendmsg:__sys_sendmsg:do_syscall_64:__kmalloc_node_noprof:fib_info_hash_grow