======================================
| 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 0xffff888009000900 (size 232):
comm "softirq", pid 0, jiffies 4294950996
hex dump (first 32 bytes):
00 40 07 08 80 88 ff ff c0 c0 d2 b4 ff ff ff ff  .@..............
20 60 ac 08 80 88 ff ff 00 00 00 00 00 00 00 00   `..............
backtrace (crc 419c5649):
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) 
__irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662) 
irq_exit_rcu (kernel/softirq.c:680) 
sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
unreferenced object 0xffff888008ac6020 (size 96):
comm "softirq", pid 0, jiffies 4294950996
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) 
__irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662) 
irq_exit_rcu (kernel/softirq.c:680) 
sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 


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