======================================
| make: Leaving directory '/home/virtme/testing-22/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 0xffff888009313b40 (size 176):
comm "make", pid 1227, jiffies 4294804733
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 eaf87ec7):
kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4142 mm/slub.c:4187 mm/slub.c:4194) 
prepare_creds (kernel/cred.c:212) 
copy_creds (kernel/cred.c:312) 
copy_process (kernel/fork.c:2260 (discriminator 13)) 
kernel_clone (./include/linux/random.h:26 kernel/fork.c:2811) 
__do_sys_clone3 (kernel/fork.c:3114) 
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 


Finger prints:
kmem_cache_alloc_noprof:prepare_creds:copy_creds:copy_process:kernel_clone