make -C tools/testing/selftests TARGETS="drivers/net/hw" TEST_PROGS=pp_allloc_fail.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 360
# selftests: drivers/net/hw: pp_alloc_fail.py
# TAP version 13
# 1..1
# ok 1 pp_alloc_fail.test_pp_alloc # SKIP Driver does not report 'rx-alloc-fail' via qstats
# # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:1 error:0
ok 1 selftests: drivers/net/hw: pp_alloc_fail.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 0xffff88802f508dc0 (size 216):
  comm "softirq", pid 0, jiffies 4294941500
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 20 eb 08 80 88 ff ff 00 00 00 00 00 00 00 00  . ..............
  backtrace (crc cc6a1e33):
    kmem_cache_alloc_bulk_noprof+0x119/0x170
    napi_skb_cache_get+0x427/0x750
    __alloc_skb+0xe3/0x2e0
    napi_alloc_skb+0x52/0x700
    page_to_skb+0x321/0xb40
    receive_mergeable+0x272/0xc50
    receive_buf+0x2ad/0x460
    virtnet_receive+0x49b/0x5d0
    virtnet_poll+0x109/0xad0
    __napi_poll.constprop.0+0xa2/0x460
    net_rx_action+0x542/0xcf0
    handle_softirqs+0x218/0x620
    run_ksoftirqd+0x3f/0x70
    smpboot_thread_fn+0x307/0x960
    kthread+0x37b/0x600
    ret_from_fork+0x31/0x70
unreferenced object 0xffff888030bb3140 (size 640):
  comm "softirq", pid 0, jiffies 4294941527
  hex dump (first 32 bytes):
    6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
    6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
  backtrace (crc d842f1f2):
    kmem_cache_alloc_node_noprof+0x28d/0x340
    kmalloc_reserve+0x13e/0x240
    __alloc_skb+0x110/0x2e0
    napi_alloc_skb+0x52/0x700
    page_to_skb+0x321/0xb40
    receive_mergeable+0x272/0xc50
    receive_buf+0x2ad/0x460
    virtnet_receive+0x49b/0x5d0
    virtnet_poll+0x109/0xad0
    __napi_poll.constprop.0+0xa2/0x460
    net_rx_action+0x542/0xcf0
    handle_softirqs+0x218/0x620
    run_ksoftirqd+0x3f/0x70
    smpboot_thread_fn+0x307/0x960
    kthread+0x37b/0x600
    ret_from_fork+0x31/0x70
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff88802f508dc0 (size 216):
  comm "softirq", pid 0, jiffies 4294941500
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 20 eb 08 80 88 ff ff 00 00 00 00 00 00 00 00  . ..............
  backtrace (crc cc6a1e33):
    kmem_cache_alloc_bulk_noprof+0x119/0x170
    napi_skb_cache_get+0x427/0x750
    __alloc_skb+0xe3/0x2e0
    napi_alloc_skb+0x52/0x700
    page_to_skb+0x321/0xb40
    receive_mergeable+0x272/0xc50
    receive_buf+0x2ad/0x460
    virtnet_receive+0x49b/0x5d0
    virtnet_poll+0x109/0xad0
    __napi_poll.constprop.0+0xa2/0x460
    net_rx_action+0x542/0xcf0
    handle_softirqs+0x218/0x620
    run_ksoftirqd+0x3f/0x70
    smpboot_thread_fn+0x307/0x960
    kthread+0x37b/0x600
    ret_from_fork+0x31/0x70
unreferenced object 0xffff888030bb3140 (size 640):
  comm "softirq", pid 0, jiffies 4294941527
  hex dump (first 32 bytes):
    6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
    6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
  backtrace (crc d842f1f2):
    kmem_cache_alloc_node_noprof+0x28d/0x340
    kmalloc_reserve+0x13e/0x240
    __alloc_skb+0x110/0x2e0
    napi_alloc_skb+0x52/0x700
    page_to_skb+0x321/0xb40
    receive_mergeable+0x272/0xc50
    receive_buf+0x2ad/0x460
    virtnet_receive+0x49b/0x5d0
    virtnet_poll+0x109/0xad0
    __napi_poll.constprop.0+0xa2/0x460
    net_rx_action+0x542/0xcf0
    handle_softirqs+0x218/0x620
    run_ksoftirqd+0x3f/0x70
    smpboot_thread_fn+0x307/0x960
    kthread+0x37b/0x600
    ret_from_fork+0x31/0x70
xx__->