======================================
| 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 0xffff888009d01b40 (size 176):
comm "sh", pid 1257, jiffies 4294800870
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 6b1ef282):
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_clone (kernel/fork.c:2942) 
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 0xffff888009d01840 (size 176):
comm "sh", pid 1284, jiffies 4294800872
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 a4fb0b93):
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_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:prepare_creds:copy_creds:copy_process:kernel_clone