make -C tools/testing/selftests TARGETS="drivers/net/hw" TEST_PROGS=ethtoool_mm.sh 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: ethtool_mm.sh
# Error: Unknown device type.
# Failed to create netif
not ok 1 selftests: drivers/net/hw: ethtool_mm.sh # exit=1
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
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff8880021c0c20 (size 32):
  comm "softirq", pid 0, jiffies 4294848534
  hex dump (first 32 bytes):
    78 f6 fc 20 80 88 ff ff 90 76 e9 85 ff ff ff ff  x.. .....v......
    28 93 e1 0c 80 88 ff ff cc cc cc cc cc cc cc cc  (...............
  backtrace (crc 160cba27):
    __kmalloc_cache_noprof+0x2bb/0x360
    kmem_cache_free+0xf3/0x330
    inet_twsk_free+0x11d/0x180
    call_timer_fn+0x13a/0x220
    __run_timers+0x543/0x810
    run_timer_base+0xb3/0x110
    run_timer_softirq+0x1a/0x30
    handle_softirqs+0x218/0x620
    do_softirq+0xb1/0xe0
    __local_bh_enable_ip+0x105/0x130
    sk_stream_wait_memory+0x77a/0xde0
    tcp_sendmsg_locked+0xbb3/0x3140
    tcp_sendmsg+0x2c/0x50
    sock_write_iter+0x27a/0x520
    vfs_write+0xc09/0x1210
    ksys_write+0x18b/0x1d0
xx__->