======================================
| 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 0xffff88800b3b3200 (size 512):
comm "softirq", pid 0, jiffies 4296601408
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc 89010de3):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff8880096f4a00 (size 512):
comm "softirq", pid 0, jiffies 4296601473
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba
DETECTED CRASH, lowering timeout
ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc a4b4b8e5):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff8880098b5c00 (size 512):
comm "softirq", pid 0, jiffies 4296601667
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc 4a4a0bbb):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff88800961a600 (size 512):
comm "softirq", pid 0, jiffies 4296601667
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc b8a0c009):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
| do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
| __local_bh_enable_ip (kernel/softirq.c:407) 
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
|
| DETECTED CRASH, lowering timeout
unreferenced object 0xffff88800b3b3200 (size 512):
comm "softirq", pid 0, jiffies 4296601408
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc 89010de3):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff8880096f4a00 (size 512):
comm "softirq", pid 0, jiffies 4296601473
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc a4b4b8e5):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff8880098b5c00 (size 512):
comm "softirq", pid 0, jiffies 4296601667
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc 4a4a0bbb):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff88800961a600 (size 512):
comm "softirq", pid 0, jiffies 4296601667
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc b8a0c009):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff888009c53800 (size 512):
comm "softirq", pid 0, jiffies 4296601857
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc a5419c3f):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff888014f58800 (size 512):
comm "softirq", pid 0, jiffies 4296601858
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc 49823ac3):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
__local_bh_enable_ip (kernel/softirq.c:407) 
unreferenced object 0xffff88800a9fa600 (size 512):
comm "softirq", pid 0, jiffies 4296602048
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 80 ac a4 ba ff ff ff ff  ................
81 80 79 b9 ff ff ff ff 00 00 00 00 00 00 00 00  ..y.............
backtrace (crc 6170e10b):
__kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4327 mm/slub.c:4340) 
metadata_dst_alloc (./include/linux/slab.h:909 net/core/dst.c:297) 
erspan_rcv (./include/net/dst_metadata.h:143 ./include/net/dst_metadata.h:207 ./include/net/dst_metadata.h:224 net/ipv4/ip_gre.c:328) ip_gre 
gre_rcv (net/ipv4/ip_gre.c:458) ip_gre 
gre_rcv (net/ipv4/gre_demux.c:163) gre 
ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:240) 
ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:260) 
ip_rcv (./include/net/dst.h:471 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
__netif_receive_skb_one_core (net/core/dev.c:5997 (discriminator 4)) 
process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6463) 
__napi_poll.constprop.0 (net/core/dev.c:7500) 
net_rx_action (net/core/dev.c:7563 net/core/dev.c:7690) 
handle_softirqs (kernel/softirq.c:579) 
do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 


Finger prints:
__kmalloc_noprof:metadata_dst_alloc:erspan_rcv:gre_rcv:gre_rcv
do_softirq:__local_bh_enable_ip:__kmalloc_noprof:metadata_dst_alloc:erspan_rcv