make -C tools/testing/selftests TARGETS="drivers/net/hw" TEST_PROGS=devmemm.py TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-22/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw'
make[1]: Entering directory '/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw'
TAP version 13
1..1
# overriding timeout to 90
# selftests: drivers/net/hw: devmem.py
# TAP version 13
# 1..1
# ok 1 devmem.check_rx # SKIP Test requires devmem support
# # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:1 error:0
ok 1 selftests: drivers/net/hw: devmem.py
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 0xffff8880099d9b60 (size 32):
  comm "softirq", pid 0, jiffies 4294769437
  hex dump (first 32 bytes):
    b8 ec 92 0b 80 88 ff ff c0 c6 45 b1 ff ff ff ff  ..........E.....
    00 0e 2f 11 80 88 ff ff cc cc cc cc cc cc cc cc  ../.............
  backtrace (crc 4d791e4a):
    __kmalloc_cache_noprof+0x2df/0x390
    kmem_cache_free+0xf3/0x330
    __sk_destruct+0x387/0x5b0
    skb_release_head_state+0x76/0x150
    napi_consume_skb+0xa8/0x180
    __free_old_xmit+0x146/0x630
    free_old_xmit+0xae/0x170
    virtnet_poll_tx+0x478/0x700
    __napi_poll.constprop.0+0xa2/0x460
    net_rx_action+0x50e/0xce0
    handle_softirqs+0x1f6/0x5c0
    run_ksoftirqd+0x33/0x60
    smpboot_thread_fn+0x306/0x850
    kthread+0x359/0x5d0
    ret_from_fork+0x31/0x70
    ret_from_fork_asm+0x1a/0x30
unreferenced object 0xffff88800aa43b60 (size 32):
  comm "softirq", pid 0, jiffies 4294771393
  hex dump (first 32 bytes):
    68 45 7e 0f 80 88 ff ff c0 c6 45 b1 ff ff ff ff  hE~.......E.....
    c0 1b 2f 11 80 88 ff ff cc cc cc cc cc cc cc cc  ../.............
  backtrace (crc fc8dd716):
    __kmalloc_cache_noprof+0x2df/0x390
    kmem_cache_free+0xf3/0x330
    __sk_destruct+0x387/0x5b0
    tcp_v6_rcv+0x2714/0x2f20
    ip6_protocol_deliver_rcu+0x123/0x1110
    ip6_input+0x16d/0x320
    ip6_sublist_rcv_finish+0x9c/0x470
    ip6_list_rcv_finish.constprop.0+0x55c/0xa10
    ipv6_list_rcv+0x319/0x4c0
    __netif_receive_skb_list_core+0x4e8/0x9f0
    netif_receive_skb_list_internal+0x63d/0xe50
    gro_receive_skb+0x4ff/0x7d0
    virtnet_receive+0x49d/0x5e0
    virtnet_poll+0x455/0x1050
    __napi_poll.constprop.0+0xa2/0x460
    net_rx_action+0x50e/0xce0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff8880099d9b60 (size 32):
  comm "softirq", pid 0, jiffies 4294769437
  hex dump (first 32 bytes):
    b8 ec 92 0b 80 88 ff ff c0 c6 45 b1 ff ff ff ff  ..........E.....
    00 0e 2f 11 80 88 ff ff cc cc cc cc cc cc cc cc  ../.............
  backtrace (crc 4d791e4a):
    __kmalloc_cache_noprof+0x2df/0x390
    kmem_cache_free+0xf3/0x330
    __sk_destruct+0x387/0x5b0
    skb_release_head_state+0x76/0x150
    napi_consume_skb+0xa8/0x180
    __free_old_xmit+0x146/0x630
    free_old_xmit+0xae/0x170
    virtnet_poll_tx+0x478/0x700
    __napi_poll.constprop.0+0xa2/0x460
    net_rx_action+0x50e/0xce0
    handle_softirqs+0x1f6/0x5c0
    run_ksoftirqd+0x33/0x60
    smpboot_thread_fn+0x306/0x850
    kthread+0x359/0x5d0
    ret_from_fork+0x31/0x70
    ret_from_fork_asm+0x1a/0x30
unreferenced object 0xffff88800aa43b60 (size 32):
  comm "softirq", pid 0, jiffies 4294771393
  hex dump (first 32 bytes):
    68 45 7e 0f 80 88 ff ff c0 c6 45 b1 ff ff ff ff  hE~.......E.....
    c0 1b 2f 11 80 88 ff ff cc cc cc cc cc cc cc cc  ../.............
  backtrace (crc fc8dd716):
    __kmalloc_cache_noprof+0x2df/0x390
    kmem_cache_free+0xf3/0x330
    __sk_destruct+0x387/0x5b0
    tcp_v6_rcv+0x2714/0x2f20
    ip6_protocol_deliver_rcu+0x123/0x1110
    ip6_input+0x16d/0x320
    ip6_sublist_rcv_finish+0x9c/0x470
    ip6_list_rcv_finish.constprop.0+0x55c/0xa10
    ipv6_list_rcv+0x319/0x4c0
    __netif_receive_skb_list_core+0x4e8/0x9f0
    netif_receive_skb_list_internal+0x63d/0xe50
    gro_receive_skb+0x4ff/0x7d0
    virtnet_receive+0x49d/0x5e0
    virtnet_poll+0x455/0x1050
    __napi_poll.constprop.0+0xa2/0x460
    net_rx_action+0x50e/0xce0
xx__->