======================================
| make: Leaving directory '/home/virtme/testing-25/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff88802b530f40 (size 216):
comm "napi/enp1s0-0", pid 6188, jiffies 4295984362
hex dump (first 32 bytes):
40 12 53 2b 80 88 ff ff 00 00 00 00 00 00 00 00  @.S+............
00 a0 92 07 80 88 ff ff 00 00 00 00 00 00 00 00  ................
backtrace (crc 17795517):
kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4249) 
__alloc_skb (net/core/skbuff.c:659) 
__tcp_send_ack.part.0 (./include/linux/skbuff.h:1336 net/ipv4/tcp_output.c:4259) 
tcp_rcv_established (net/ipv4/tcp_input.c:5746 net/ipv4/tcp_input.c:6219) 
tcp_v6_do_rcv (net/ipv6/tcp_ipv6.c:1650) 
tcp_v6_rcv (net/ipv6/tcp_ipv6.c:1918) 
ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:440) 
ip6_input (./include/linux/rcupdate.h:869 net/ipv6/ip6_input.c:503) 
ip6_sublist_rcv_finish (net/ipv6/ip6_input.c:86) 
ip6_list_rcv_finish.constprop.0 (net/ipv6/ip6_input.c:109) 
ipv6_list_rcv (net/ipv6/ip6_input.c:327) 
__netif_receive_skb_list_core (net/core/dev.c:6032) 
netif_receive_skb_list_internal (net/core/dev.c:6123 net/core/dev.c:6212) 
gro_complete.constprop.0 (./include/linux/list.h:37 ./include/net/gro.h:533 ./include/net/gro.h:552 net/core/gro.c:286) 
dev_gro_receive (net/core/gro.c:530) 
gro_receive_skb (net/core/gro.c:631) 
unreferenced object 0xffff88802b531240 (size 216):
comm "iperf3", pid 6259, jiffies 4295984363
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00 a0 92 07 80 88 ff ff 00 00 00 00 00 00 00 00  ................
backtrace (crc 3352bdac):
kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4249) 
__alloc_skb (net/core/skbuff.c:659) 
__tcp_send_ack.part.0 (./include/linux/skbuff.h:1336 net/ipv4/tcp_output.c:4259) 
tcp_recvmsg_locked (net/ipv4/tcp.c:2613) 
tcp_recvmsg (net/ipv4/tcp.c:2906) 
inet6_recvmsg (net/ipv6/af_inet6.c:680 (discriminator 2)) 
sock_read_iter (./arch/x86/include/asm/jump_label.h:36 ./include/trace/events/sock.h:304 net/socket.c:1069 net/socket.c:1087 net/socket.c:1157) 
vfs_read (fs/read_write.c:491 fs/read_write.c:572) 
ksys_read (fs/read_write.c:715) 
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 


Finger prints:
kmem_cache_alloc_node_noprof:__alloc_skb:tcp_rcv_established:tcp_v6_do_rcv:tcp_v6_rcv