======================================
| 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 0xffff8880023f9c40 (size 232):
comm "softirq", pid 0, jiffies 4294783025
hex dump (first 32 bytes):
00 c0 73 08 80 88 ff ff 80 90 72 9b ff ff ff ff  ..s.......r.....
20 53 c7 04 80 88 ff ff 00 00 00 00 00 00 00 00   S..............
backtrace (crc 21b3702):
kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4171) 
dst_alloc (net/core/dst.c:89) 
ip6_dst_alloc (net/ipv6/route.c:342) 
icmp6_dst_alloc (net/ipv6/route.c:3280) 
ndisc_send_skb (net/ipv6/ndisc.c:493) 
addrconf_rs_timer (net/ipv6/addrconf.c:4038) 
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:148) 
ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
unreferenced object 0xffff888004c75320 (size 96):
comm "softirq", pid 0, jiffies 4294783025
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 ab54c20):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4320) 
dst_cow_metrics_generic (./include/linux/slab.h:901 net/core/dst.c:185) 
icmp6_dst_alloc (./include/net/dst.h:133 ./include/net/dst.h:194 net/ipv6/route.c:3293) 
ndisc_send_skb (net/ipv6/ndisc.c:493) 
addrconf_rs_timer (net/ipv6/addrconf.c:4038) 
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:148) 


Finger prints:
kmem_cache_alloc_noprof:dst_alloc:ip6_dst_alloc:icmp6_dst_alloc:ndisc_send_skb