make -C tools/testing/selftests TARGETS="net" TEST_PROGS=rtnetlink.py TESTT_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: rtnetlink.py
# 0.56 [+0.56] TAP version 13
# 0.56 [+0.00] 1..1
# 0.56 [+0.00] ok 1 rtnetlink.dump_mcaddr_check
# 0.56 [+0.00] # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0
ok 1 selftests: net: rtnetlink.py
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff888002916248 (size 8):
  comm "tap", pid 11896, jiffies 4299148873
  hex dump (first 8 bytes):
    00 00 00 00 00 00 00 00                          ........
  backtrace (crc 0):
    __kmalloc_cache_noprof+0x2df/0x390
    tun_vnet_ioctl_sethash+0xbf/0x3a0
    tap_ioctl+0x6f2/0xc10
    __x64_sys_ioctl+0x11f/0x180
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak

DETECTED CRASH, lowering timeout
unreferenced object 0xffff888002916248 (size 8):
  comm "tap", pid 11896, jiffies 4299148873
  hex dump (first 8 bytes):
    00 00 00 00 00 00 00 00                          ........
  backtrace (crc 0):
    __kmalloc_cache_noprof+0x2df/0x390
    tun_vnet_ioctl_sethash+0xbf/0x3a0
    tap_ioctl+0x6f2/0xc10
    __x64_sys_ioctl+0x11f/0x180
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f
xx__->