======================================
| 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 0xffff88800d138580 (size 264):
comm "sh", pid 1689, jiffies 4294854013
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 ad 4e ad de  .............N..
ff ff ff ff 6b 6b 6b 6b ff ff ff ff ff ff ff ff  ....kkkk........
backtrace (crc e6b12fbc):
kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4142 mm/slub.c:4187 mm/slub.c:4194) 
alloc_pid (kernel/pid.c:182 (discriminator 2)) 
copy_process (kernel/fork.c:2413) 
kernel_clone (./include/linux/random.h:26 kernel/fork.c:2811) 
__do_sys_clone (kernel/fork.c:2942) 
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 


Finger prints:
kmem_cache_alloc_noprof:alloc_pid:copy_process:kernel_clone:__do_sys_clone