======================================
| make: Leaving directory '/home/virtme/testing-25/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 0xffff88800bcc7400 (size 512):
comm "python3", pid 2684, jiffies 4295347565
hex dump (first 32 bytes):
01 00 00 00 6b 6b 6b 6b 00 00 00 00 ad 4e ad de  ....kkkk.....N..
ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff  ................
backtrace (crc 2cc65dee):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4354) 
__netpoll_setup (./include/linux/slab.h:905 net/core/netpoll.c:570) 
netpoll_setup (net/core/netpoll.c:767) 
enabled_store (drivers/net/netconsole.c:598) netconsole 
configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229) 
vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
ksys_write (fs/read_write.c:738) 
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 


Finger prints:
__kmalloc_cache_noprof:__netpoll_setup:netpoll_setup:enabled_store:configfs_write_iter