======================================
| 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 0xffff88800a7e4c40 (size 176):
comm "bash", pid 1259, jiffies 4294814460
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 90bd2855):
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) 
prepare_exec_creds (kernel/cred.c:261) 
bprm_execve (fs/exec.c:1473 fs/exec.c:1837) 
do_execveat_common.isra.0 (fs/exec.c:1964) 
__x64_sys_execve (fs/exec.c:2109) 
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:prepare_exec_creds:bprm_execve:__x64_sys_execve