make -C tools/testing/selftests TARGETS="drivers/net/hw" TEST_PROGS=nic_liink_layer.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: nic_link_layer.py
# Warning: file nic_link_layer.py is not executable
# # Partner Interface name: eth1
# Traceback (most recent call last):
#   File "/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw/./nic_link_layer.py", line 113, in <module>
#     main()
#   File "/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw/./nic_link_layer.py", line 107, in main
#     link_config = LinkConfig(cfg)
#   File "/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw/lib/py/linkconfig.py", line 20, in __init__
#     self.common_link_modes = self.get_common_link_modes()
#   File "/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw/lib/py/linkconfig.py", line 171, in get_common_link_modes
#     partner_link_modes = self.get_ethtool_field("link-partner-advertised-link-modes")
#   File "/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw/lib/py/linkconfig.py", line 221, in get_ethtool_field
#     raise KsftSkipEx(f'Field {field} does not exist in the output of interface {json_data["ifname"]}')
# net.lib.py.ksft.KsftSkipEx: Field link-partner-advertised-link-modes does not exist in the output of interface eth0
not ok 1 selftests: drivers/net/hw: nic_link_layer.py # 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 0xffff8880073e4860 (size 32):
  comm "sh", pid 460, jiffies 4294719840
  hex dump (first 32 bytes):
    90 3c 20 06 80 88 ff ff 90 86 69 a3 ff ff ff ff  .< .......i.....
    08 15 ca 12 80 88 ff ff cc cc cc cc cc cc cc cc  ................
  backtrace (crc 68284f35):
    __kmalloc_cache_noprof+0x2bb/0x360
    kmem_cache_free+0xf3/0x330
    __put_anon_vma+0xf4/0x320
    unlink_anon_vmas+0x4ef/0x920
    free_pgtables+0x25b/0x6e0
    exit_mmap+0x30d/0x800
    mmput+0xb8/0x3e0
    exit_mm+0x146/0x1d0
    do_exit+0x426/0xc10
    do_group_exit+0xb8/0x260
    __x64_sys_exit_group+0x3e/0x50
    x64_sys_call+0xf76/0x18a0
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f
unreferenced object 0xffff8880073e4920 (size 32):
  comm "sh", pid 460, jiffies 4294719840
  hex dump (first 32 bytes):
    b0 17 64 11 80 88 ff ff 90 86 69 a3 ff ff ff ff  ..d.......i.....
    a8 02 ca 12 80 88 ff ff cc cc cc cc cc cc cc cc  ................
  backtrace (crc 384c0970):
    __kmalloc_cache_noprof+0x2bb/0x360
    kmem_cache_free+0xf3/0x330
    __put_anon_vma+0xf4/0x320
    unlink_anon_vmas+0x4ef/0x920
    free_pgtables+0x25b/0x6e0
    exit_mmap+0x30d/0x800
    mmput+0xb8/0x3e0
    exit_mm+0x146/0x1d0
    do_exit+0x426/0xc10
    do_group_exit+0xb8/0x260
    __x64_sys_exit_group+0x3e/0x50
    x64_sys_call+0xf76/0x18a0
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f
xx__->