make -C tools/testing/selftests TARGETS="drivers/net" TEST_PROGS=netpoll_bbasic.py TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-25/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-25/tools/testing/selftests/drivers/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-25/tools/testing/selftests/drivers/net'
make[1]: Entering directory '/home/virtme/testing-25/tools/testing/selftests/net/lib'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-25/tools/testing/selftests/net/lib'
make[1]: Entering directory '/home/virtme/testing-25/tools/testing/selftests/drivers/net'
TAP version 13
1..1
# overriding timeout to 360
# selftests: drivers/net: netpoll_basic.py
# TAP version 13
# 1..1
# ok 1 netpoll_basic.test_netpoll # XFAIL netpoll_poll_dev() was not called during the test...
# # Totals: pass:0 fail:0 xfail:1 xpass:0 skip:0 error:0
ok 1 selftests: drivers/net: netpoll_basic.py
make[1]: Leaving directory '/home/virtme/testing-25/tools/testing/selftests/drivers/net'
make: Leaving directory '/home/virtme/testing-25/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 0xffff888008eb2c00 (size 512):
  comm "python3", pid 2740, jiffies 4295353334
  hex dump (first 32 bytes):
    01 00 00 00 6b 6b 6b 6b 00 00 00 00 ad 4e ad de  ....kkkk.....N..
    ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff  ................
  backtrace (crc bfc6d14):
    __kmalloc_cache_noprof+0x2bb/0x360
    __netpoll_setup+0x347/0x960
    netpoll_setup+0x5c1/0x830
    enabled_store+0x201/0x850 [netconsole]
    configfs_write_iter+0x2cb/0x4a0
    vfs_write+0xab8/0x1210
    ksys_write+0xf7/0x1d0
    do_syscall_64+0xc1/0x380
    entry_SYSCALL_64_after_hwframe+0x77/0x7f
xx__->