[VPP-1585] CLI command 'test dns expire' causes Segmentation fault.

[vvalderrv]

DBGvpp# test dns expire

 

Thread 1 "vpp_main" received signal SIGSEGV, Segmentation fault.

__memset_avx2 () at ../sysdeps/x86_64/multiarch/memset-avx2.S:161

161 ../sysdeps/x86_64/multiarch/memset-avx2.S: No such file or directory.

(gdb) bt

#0  __memset_avx2 () at ../sysdeps/x86_64/multiarch/memset-avx2.S:161

#1  0x00007ffff61b450a in mspace_put (msp=0x7fffb4f51010, p_arg=0x7fffb6750a58) at /vpp/src/vppinfra/dlmalloc.c:4285

#2  0x00007ffff73da454 in clib_mem_free (p=0x7fffb6750a58) at /vpp/src/vppinfra/mem.h:215

#3  0x00007ffff73ea8fd in test_dns_expire_command_fn (vm=0x7ffff68ef340 <vlib_global_main>, input=0x7fffb6750ee0, cmd=0x7fffb67a7fac)

    at /vpp/src/vnet/dns/dns.c:2705

#4  0x00007ffff662304f in vlib_cli_dispatch_sub_commands (vm=0x7ffff68ef340 <vlib_global_main>, cm=0x7ffff68ef528 <vlib_global_main+488>,

    input=0x7fffb6750ee0, parent_command_index=483) at /vpp/src/vlib/cli.c:607

#5  0x1313131313131313 in ?? ()

#6  0x1313131313131313 in ?? ()

#7  0x1313131313131313 in ?? ()

#8  0x1313131313131313 in ?? ()