======================================
| make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
| make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0x00042aa0 (size 64):
comm "swapper/0", pid 0, jiffies 4294667296
hex dump (first 32 bytes on cpu 3):
00 00 00 00 00 00 00 00 00 00 06 00 00 00 00 00  ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
backtrace (crc 0):
pcpu_alloc_noprof (mm/percpu.c:1905) 
setup_zone_pageset (mm/page_alloc.c:5589) 
setup_per_cpu_pageset (mm/page_alloc.c:5655) 
start_kernel (init/main.c:1061) 
x86_64_start_reservations (arch/x86/kernel/head64.c:495) 
x86_64_start_kernel (arch/x86/kernel/head64.c:437 (discriminator 17)) 
common_startup_64 (arch/x86/kernel/head_64.S:415) 
unreferenced object 0x00042dc0 (size 48):
comm "swapper/0", pid 0, jiffies 4294667296
hex dump (first 32 bytes on cpu 3):
18 05 01 00 eb 00 00
DETECTED CRASH, lowering timeout
00 00 00 00 00 00 00 00 00  ................
00 00 01 15 04 00 00 00 00 00 00 00 00 00 00 00  ................
backtrace (crc 0):
pcpu_alloc_noprof (mm/percpu.c:1905) 
setup_per_cpu_pageset (mm/page_alloc.c:5673 (discriminator 3)) 
start_kernel (init/main.c:1061) 
x86_64_start_reservations (arch/x86/kernel/head64.c:495) 
x86_64_start_kernel (arch/x86/kernel/head64.c:437 (discriminator 17)) 


Finger prints:
pcpu_alloc_noprof:setup_zone_pageset:setup_per_cpu_pageset:start_kernel:x86_64_start_reservations