make -C tools/testing/selftests TARGETS="net" TEST_PROGS=ipv6_fragmentatioon TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing/wt-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing/wt-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing/wt-3/tools/testing/selftests/net/lib'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests/net/lib'
make[1]: Entering directory '/home/virtme/testing/wt-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: ipv6_fragmentation
# 0.00 [+0.00] Testing IPv6 fragmentation
# 0.04 [+0.04] [PASS] sendmsg() returned 8192
ok 1 selftests: net: ipv6_fragmentation
make[1]: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff888007de6040 (size 64):
  comm "ipv6_fragmentat", pid 253, jiffies 4294680390
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    __kmalloc_noprof+0x32b/0x460
    udpv6_init_sock+0x237/0x410
    inet6_create.part.0+0x989/0x10b0
    __sock_create+0x235/0x690
    __sys_socket+0x116/0x1d0
    __x64_sys_socket+0x72/0xb0
    do_syscall_64+0xc1/0x300
    entry_SYSCALL_64_after_hwframe+0x4b/0x53
xx__->