======================================
| make[1]: Leaving directory '/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw'
| 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
unreferenced object 0xffff8880052c49e0 (size 32):
comm "softirq", pid 0, jiffies 4294811663
hex dump (first 32 bytes):
28 cf 26 1b 80 88 ff ff 40 91 86 a4 ff ff ff ff  (.&.....@.......
f8 6f 37 0c 80 88 ff ff cc cc cc cc cc cc cc cc  .o7.............
backtrace (crc 919a9826):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4142 mm/slub.c:4187 mm/slub.c:4344) 
kmem_cache_free (mm/slub.c:2329 mm/slub.c:4633 mm/slub.c:4735) 
inet_twsk_free (net/ipv4/inet_timewait_sock.c:79) 
call_timer_fn (kernel/time/timer.c:1789) 
__run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
run_timer_softirq (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
handle_softirqs (kernel/softirq.c:561) 
run_ksoftirqd (kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942) 
smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
kthread (kernel/kthread.c:464) 
ret_from_fork (arch/x86/kernel/process.c:153) 


Finger prints:
__kmalloc_cache_noprof:kmem_cache_free:inet_twsk_free:call_timer_fn:__run_timers