======================================
| make[1]: Leaving directory '/home/virtme/testing-6/tools/testing/selftests/net/tcp_ao'
| make: Leaving directory '/home/virtme/testing-6/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff888008cbd100 (size 128):
comm "unsigned-md5_ip", pid 335, jiffies 4294829641
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 2128895f):
kmalloc_trace_noprof (./include/linux/kmemleak.h:42 mm/slub.c:3945 mm/slub.c:4001 mm/slub.c:4148) 
tcp_ao_alloc_info (./include/linux/slab.h:660 ./include/linux/slab.h:778 net/ipv4/tcp_ao.c:229) 
tcp_ao_info_cmd.constprop.0 (net/ipv4/tcp_ao.c:1969) 
do_tcp_setsockopt (net/ipv4/tcp.c:3678) 
do_sock_setsockopt (net/socket.c:2312) 
__sys_setsockopt (./include/linux/file.h:34 net/socket.c:2337) 
__x64_sys_setsockopt (net/socket.c:2341) 
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 


Finger prints:
kmalloc_trace_noprof:tcp_ao_alloc_info:do_tcp_setsockopt:do_sock_setsockopt:__sys_setsockopt