======================================
| 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 0xffff888008e5b6e0 (size 32):
comm "softirq", pid 0, jiffies 4294764211
hex dump (first 32 bytes):
d0 72 32 13 80 88 ff ff c0 c6 c5 b7 ff ff ff ff  .r2.............
00 8e 2b 19 80 88 ff ff cc cc cc cc cc cc cc cc  ..+.............
backtrace (crc c2cb067):
__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) 
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 (drivers/net/virtio_net.c:3021 drivers/net/virtio_net.c:3065) 
__napi_poll.constprop.0 (net/core/dev.c:7335) 
net_rx_action (net/core/dev.c:7399 net/core/dev.c:7521) 
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 0xffff888004e773e0 (size 32):
comm "softirq", pid 0, jiffies 4294765661
hex dump (first 32 bytes):
80 cb 1a 13 80 88 ff ff c0 c6 c5 b7 ff ff ff ff  ................
c0 9b 2b 19 80 88 ff ff cc cc cc cc cc cc cc cc  ..+.............
backtrace (crc 36c27749):
__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:3202) 
__napi_poll.constprop.0 (net/core/dev.c:7335) 
net_rx_action (net/core/dev.c:7399 net/core/dev.c:7521) 
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 0xffff888008e5b6e0 (size 32):
comm "softirq", pid 0, jiffies 4294764211
hex dump (first 32 bytes):
d0 72 32 13 80 88 ff ff c0 c6 c5 b7 ff ff ff ff  .r2.............
00 8e 2b 19 80 88 ff ff cc cc cc cc cc cc cc cc  ..+.............
backtrace (crc c2cb067):
__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) 
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 (drivers/net/virtio_net.c:3021 drivers/net/virtio_net.c:3065) 
__napi_poll.constprop.0 (net/core/dev.c:7335) 
net_rx_action (net/core/dev.c:7399 net/core/dev.c:7521) 
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 0xffff888004e773e0 (size 32):
comm "softirq", pid 0, jiffies 4294765661
hex dump (first 32 bytes):
80 cb 1a 13 80 88 ff ff c0 c6 c5 b7 ff ff ff ff  ................
c0 9b 2b 19 80 88 ff ff cc cc cc cc cc cc cc cc  ..+.............
backtrace (crc 36c27749):
__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:3202) 
__napi_poll.constprop.0 (net/core/dev.c:7335) 
net_rx_action (net/core/dev.c:7399 net/core/dev.c:7521) 
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:
__kmalloc_cache_noprof:kmem_cache_free:__sk_destruct:skb_release_head_state:napi_consume_skb
run_ksoftirqd:smpboot_thread_fn:kthread:ret_from_fork:__kmalloc_cache_noprof