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 90
# 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 0xffff888008da8b60 (size 32):
  comm "softirq", pid 0, jiffies 4294783028
  hex dump (first 32 bytes):
    b0 f7 96 27 80 88 ff ff c0 c6 a5 ae ff ff ff ff  ...'............
    08 40 e5 15 80 88 ff ff cc cc cc cc cc cc cc cc  .@..............
  backtrace (crc 74c7d6bd):
    __kmalloc_cache_noprof+0x2df/0x390
    kmem_cache_free+0xf3/0x330
    inet_twsk_free+0x11d/0x180
    call_timer_fn+0x13b/0x230
    __run_timers+0x545/0x810
    run_timer_softirq+0xee/0x1c0
    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
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff888008da8b60 (size 32):
  comm "softirq", pid 0, jiffies 4294783028
  hex dump (first 32 bytes):
    b0 f7 96 27 80 88 ff ff c0 c6 a5 ae ff ff ff ff  ...'............
    08 40 e5 15 80 88 ff ff cc cc cc cc cc cc cc cc  .@..............
  backtrace (crc 74c7d6bd):
    __kmalloc_cache_noprof+0x2df/0x390
    kmem_cache_free+0xf3/0x330
    inet_twsk_free+0x11d/0x180
    call_timer_fn+0x13b/0x230
    __run_timers+0x545/0x810
    run_timer_softirq+0xee/0x1c0
    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
xx__->