======================================
| 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 0xffff888008ec37a0 (size 32):
comm "softirq", pid 0, jiffies 4294777188
hex dump (first 32 bytes):
90 1c e5 17 80 88 ff ff 90 9c a5 8e ff ff ff ff  ................
00 0e 86 19 80 88 ff ff cc cc cc cc cc cc cc cc  ................
backtrace (crc b8cf6707):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4320) 
kmem_cache_free (mm/slub.c:2306 mm/slub.c:4609 mm/slub.c:4711) 
__sk_destruct (net/core/sock.c:2328) 
tcp_v6_rcv (net/ipv6/tcp_ipv6.c:1927) 
ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 8)) 
ip6_input (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:494) 
ip6_sublist_rcv_finish (net/ipv6/ip6_input.c:86) 
ip6_list_rcv_finish.constprop.0 (net/ipv6/ip6_input.c:109) 
ipv6_list_rcv (net/ipv6/ip6_input.c:325) 
__netif_receive_skb_list_core (net/core/dev.c:5948) 
netif_receive_skb_list_internal (net/core/dev.c:6039 net/core/dev.c:6128) 
gro_receive_skb (./include/linux/list.h:37 ./include/net/gro.h:533 ./include/net/gro.h:546 net/core/gro.c:601 net/core/gro.c:631) 
virtnet_receive (drivers/net/virtio_net.c:2906 drivers/net/virtio_net.c:2929) 
virtnet_poll (drivers/net/virtio_net.c:3025) 
__napi_poll.constprop.0 (net/core/dev.c:7334) 
net_rx_action (net/core/dev.c:7398 net/core/dev.c:7520) 
unreferenced object 0xffff888019862980 (size 3264):
comm "socat", pid 1234, jiffies 4294777657
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
0a 00 07 50 00 00 00 00 00 00 00 00 00 00 00 00  ...P............
backtrace (crc 38a49de1):
kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4171) 
sk_prot_alloc.constprop.0 (net/core/sock.c:2190) 
sk_alloc (net/core/sock.c:2249) 
inet6_create.part.0 (net/ipv6/af_inet6.c:193) 
__sock_create (net/socket.c:1539) 
__sys_socket (net/socket.c:1636 net/socket.c:1619 net/socket.c:1681) 
__x64_sys_socket (net/socket.c:1693) 
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
unreferenced object 0xffff888002039da0 (size 32):
comm "softirq", pid 0, jiffies 4294778866
hex dump (first 32 bytes):
60 f0 e0 1a 80 88 ff ff 90 9c a5 8e ff ff ff ff  `...............
28 7c 92 0a 80 88 ff ff cc cc cc cc cc cc cc cc  (|..............
backtrace (crc b1fd4f28):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4320) 
kmem_cache_free (mm/slub.c:2306 mm/slub.c:4609 mm/slub.c:4711) 
skb_release_head_state (net/core/skbuff.c:1149 (discriminator 3)) 
napi_consume_skb (net/core/skbuff.c:1161 net/core/skbuff.c:1490) 
__free_old_xmit (drivers/net/virtio_net.c:591) 
free_old_xmit (drivers/net/virtio_net.c:634 drivers/net/virtio_net.c:1067) 
virtnet_poll_tx (drivers/net/virtio_net.c:3159) 
__napi_poll.constprop.0 (net/core/dev.c:7334) 
net_rx_action (net/core/dev.c:7398 net/core/dev.c:7520) 
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 0xffff88800a2c39e0 (size 32):
comm "softirq", pid 0, jiffies 4294779037
hex dump (first 32 bytes):
f0 6d 32 17 80 88 ff ff 90 9c a5 8e ff ff ff ff  .m2.............
c0 1b 86 19 80 88 ff ff cc cc cc cc cc cc cc cc  ................
backtrace (crc f6fff538):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4320) 
kmem_cache_free (mm/slub.c:2306 mm/slub.c:4609 mm/slub.c:4711) 
__sk_destruct (net/core/sock.c:2328) 
tcp_wfree (net/ipv4/tcp_output.c:1243) 
skb_release_head_state (net/core/skbuff.c:1149 (discriminator 3)) 
napi_consume_skb (net/core/skbuff.c:1161 net/core/skbuff.c:1176 net/core/skbuff.c:1486) 
__free_old_xmit (drivers/net/virtio_net.c:591) 
free_old_xmit (drivers/net/virtio_net.c:634 drivers/net/virtio_net.c:1067) 
virtnet_poll_tx (drivers/net/virtio_net.c:3159) 
__napi_poll.constprop.0 (net/core/dev.c:7334) 
net_rx_action (net/core/dev.c:7398 net/core/dev.c:7520) 
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) 
| 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) 
| xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff888008ec37a0 (size 32):
comm "softirq", pid 0, jiffies 4294777188
hex dump (first 32 bytes):
90 1c e5 17 80 88 ff ff 90 9c a5 8e ff ff ff ff  ................
00 0e 86 19 80 88 ff ff cc cc cc cc cc cc cc cc  ................
backtrace (crc b8cf6707):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4320) 
kmem_cache_free (mm/slub.c:2306 mm/slub.c:4609 mm/slub.c:4711) 
__sk_destruct (net/core/sock.c:2328) 
tcp_v6_rcv (net/ipv6/tcp_ipv6.c:1927) 
ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 8)) 
ip6_input (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:494) 
ip6_sublist_rcv_finish (net/ipv6/ip6_input.c:86) 
ip6_list_rcv_finish.constprop.0 (net/ipv6/ip6_input.c:109) 
ipv6_list_rcv (net/ipv6/ip6_input.c:325) 
__netif_receive_skb_list_core (net/core/dev.c:5948) 
netif_receive_skb_list_internal (net/core/dev.c:6039 net/core/dev.c:6128) 
gro_receive_skb (./include/linux/list.h:37 ./include/net/gro.h:533 ./include/net/gro.h:546 net/core/gro.c:601 net/core/gro.c:631) 
virtnet_receive (drivers/net/virtio_net.c:2906 drivers/net/virtio_net.c:2929) 
virtnet_poll (drivers/net/virtio_net.c:3025) 
__napi_poll.constprop.0 (net/core/dev.c:7334) 
net_rx_action (net/core/dev.c:7398 net/core/dev.c:7520) 
unreferenced object 0xffff888019862980 (size 3264):
comm "socat", pid 1234, jiffies 4294777657
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
0a 00 07 50 00 00 00 00 00 00 00 00 00 00 00 00  ...P............
backtrace (crc 38a49de1):
kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4171) 
sk_prot_alloc.constprop.0 (net/core/sock.c:2190) 
sk_alloc (net/core/sock.c:2249) 
inet6_create.part.0 (net/ipv6/af_inet6.c:193) 
__sock_create (net/socket.c:1539) 
__sys_socket (net/socket.c:1636 net/socket.c:1619 net/socket.c:1681) 
__x64_sys_socket (net/socket.c:1693) 
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
unreferenced object 0xffff888002039da0 (size 32):
comm "softirq", pid 0, jiffies 4294778866
hex dump (first 32 bytes):
60 f0 e0 1a 80 88 ff ff 90 9c a5 8e ff ff ff ff  `...............
28 7c 92 0a 80 88 ff ff cc cc cc cc cc cc cc cc  (|..............
backtrace (crc b1fd4f28):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4320) 
kmem_cache_free (mm/slub.c:2306 mm/slub.c:4609 mm/slub.c:4711) 
skb_release_head_state (net/core/skbuff.c:1149 (discriminator 3)) 
napi_consume_skb (net/core/skbuff.c:1161 net/core/skbuff.c:1490) 
__free_old_xmit (drivers/net/virtio_net.c:591) 
free_old_xmit (drivers/net/virtio_net.c:634 drivers/net/virtio_net.c:1067) 
virtnet_poll_tx (drivers/net/virtio_net.c:3159) 
__napi_poll.constprop.0 (net/core/dev.c:7334) 
net_rx_action (net/core/dev.c:7398 net/core/dev.c:7520) 
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 0xffff88800a2c39e0 (size 32):
comm "softirq", pid 0, jiffies 4294779037
hex dump (first 32 bytes):
f0 6d 32 17 80 88 ff ff 90 9c a5 8e ff ff ff ff  .m2.............
c0 1b 86 19 80 88 ff ff cc cc cc cc cc cc cc cc  ................
backtrace (crc f6fff538):
__kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4119 mm/slub.c:4164 mm/slub.c:4320) 
kmem_cache_free (mm/slub.c:2306 mm/slub.c:4609 mm/slub.c:4711) 
__sk_destruct (net/core/sock.c:2328) 
tcp_wfree (net/ipv4/tcp_output.c:1243) 
skb_release_head_state (net/core/skbuff.c:1149 (discriminator 3)) 
napi_consume_skb (net/core/skbuff.c:1161 net/core/skbuff.c:1176 net/core/skbuff.c:1486) 
__free_old_xmit (drivers/net/virtio_net.c:591) 
free_old_xmit (drivers/net/virtio_net.c:634 drivers/net/virtio_net.c:1067) 
virtnet_poll_tx (drivers/net/virtio_net.c:3159) 
__napi_poll.constprop.0 (net/core/dev.c:7334) 
net_rx_action (net/core/dev.c:7398 net/core/dev.c:7520) 
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) 


Finger prints:
run_ksoftirqd:smpboot_thread_fn:kthread:ret_from_fork:__kmalloc_cache_noprof
__kmalloc_cache_noprof:kmem_cache_free:__sk_destruct:tcp_v6_rcv:ip6_protocol_deliver_rcu