======================================
| make: Leaving directory '/home/virtme/testing-16/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 0xffff888009264440 (size 312):
comm "conntrack", pid 22840, jiffies 4297302810
hex dump (first 32 bytes):
01 00 00 00 5a 5a 5a 5a 00 00 00 00 ad 4e ad de  ....ZZZZ.....N..
ff ff ff ff 5a 5a 5a 5a ff ff ff ff ff ff ff ff  ....ZZZZ........
backtrace (crc 5b8e6281):
kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4204) 
__nf_conntrack_alloc (net/netfilter/nf_conntrack_core.c:1685) nf_conntrack 
ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2270) nf_conntrack_netlink 
ctnetlink_new_conntrack (net/netfilter/nf_conntrack_netlink.c:2458) nf_conntrack_netlink 
nfnetlink_rcv_msg (net/netfilter/nfnetlink.c:302) 
netlink_rcv_skb (net/netlink/af_netlink.c:2552) 
nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
netlink_sendmsg (net/netlink/af_netlink.c:1896) 
__sys_sendto+0x3e
DETECTED CRASH, lowering timeout
f/0x4c0
__x64_sys_sendto (net/socket.c:2231) 
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 0xffff88800c708200 (size 128):
comm "conntrack", pid 22840, jiffies 4297302810
hex dump (first 32 bytes):
00 00 10 00 00 28 34 6b 00 00 00 00 6b 6b 6b 6b  .....(4k....kkkk
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
backtrace (crc 31410c71):
__kmalloc_node_track_caller_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4347) 
krealloc_noprof (mm/slub.c:4905 mm/slub.c:4958) 
nf_ct_ext_add (net/netfilter/nf_conntrack_extend.c:117) nf_conntrack 
ctnetlink_create_conntrack (./include/net/netfilter/nf_conntrack_synproxy.h:26 net/netfilter/nf_conntrack_netlink.c:2334) nf_conntrack_netlink 
ctnetlink_new_conntrack (net/netfilter/nf_conntrack_netlink.c:2458) nf_conntrack_netlink 
nfnetlink_rcv_msg (net/netfilter/nfnetlink.c:302) 
netlink_rcv_skb (net/netlink/af_netlink.c:2552) 
nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
netlink_sendmsg (net/netlink/af_netlink.c:1896) 
__sys_sendto (net/socket.c:714 net/socket.c:729 net/socket.c:2228) 
__x64_sys_sendto (net/socket.c:2231) 
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 


Finger prints:
kmem_cache_alloc_noprof:__nf_conntrack_alloc:ctnetlink_create_conntrack:ctnetlink_new_conntrack:nfnetlink_rcv_msg