The issue cannot be reproduced if 

        //Use dlmalloc memory allocator.

        VPP_USE_DLMALLOC:BOOL=OFF

in CMakeCache.txt

-----------------------------------------

root@vpp:/vpp# cd /vpp && make build && make test-debug

make[1]: Entering directory '/vpp/build-root'

@@@@ Arch for platform 'vpp' is native @@@@

@@@@ Finding source for external @@@@

@@@@ Makefile fragment found in /vpp/build-data/packages/external.mk @@@@

@@@@ Source found in /vpp/build @@@@

@@@@ Arch for platform 'vpp' is native @@@@

@@@@ Finding source for vpp @@@@

@@@@ Makefile fragment found in /vpp/build-data/packages/vpp.mk @@@@

@@@@ Source found in /vpp/src @@@@

@@@@ Configuring external: nothing to do @@@@

@@@@ Building external: nothing to do @@@@

@@@@ Installing external: nothing to do @@@@

@@@@ Configuring vpp: nothing to do @@@@

@@@@ Building vpp in /vpp/build-root/build-vpp_debug-native/vpp @@@@

[1/1] Re-running CMake...

– Looking for ccache

– Looking for ccache - found

– Marvell MUSDK not found - marvell_plugin disabled

– Looking for mbedTLS

– Found mbedTLS in /usr/include

– Found DPDK 18.08.0 in /vpp/build-root/install-vpp_debug-native/external/include/dpdk

– DPDK depends on IPSec MB library

– Configuration:

VPP version         : 18.10-rc0~586-gaeedb7f

VPP library version : 18.10

GIT toplevel dir    : /vpp

C flags             : -march=corei7 -mtune=corei7-avx -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -fstack-protector-all -fPIC -Werror

Linker flags        : -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -fstack-protector-all -fPIC -Werror

Target processor    : x86_64

Build type          :

Prefix path         : /opt/vpp/external/x86_64;/vpp/build-root/install-vpp_debug-native/external

Install prefix      : /vpp/build-root/install-vpp_debug-native/vpp

– Configuring done

– Generating done

– Build files have been written to: /vpp/build-root/build-vpp_debug-native/vpp

[2/2] Linking C executable bin/vpp

@@@@ Installing vpp @@@@

[1/1] Install the project...

– Install configuration: ""

make[1]: Leaving directory '/vpp/build-root'

make -C /vpp/build-root PLATFORM=vpp TAG=vpp_debug vpp-install

make[1]: Entering directory '/vpp/build-root'

@@@@ Arch for platform 'vpp' is native @@@@

@@@@ Finding source for external @@@@

@@@@ Makefile fragment found in /vpp/build-data/packages/external.mk @@@@

@@@@ Source found in /vpp/build @@@@

@@@@ Arch for platform 'vpp' is native @@@@

@@@@ Finding source for vpp @@@@

@@@@ Makefile fragment found in /vpp/build-data/packages/vpp.mk @@@@

@@@@ Source found in /vpp/src @@@@

@@@@ Configuring external: nothing to do @@@@

@@@@ Building external: nothing to do @@@@

@@@@ Installing external: nothing to do @@@@

@@@@ Configuring vpp: nothing to do @@@@

@@@@ Building vpp in /vpp/build-root/build-vpp_debug-native/vpp @@@@

ninja: no work to do.

@@@@ Installing vpp: nothing to do @@@@

make[1]: Leaving directory '/vpp/build-root'

make -C test TEST_DIR=/vpp/test VPP_TEST_BUILD_DIR=/vpp/build-root/build-vpp_debug-native VPP_TEST_BIN=/vpp/build-root/install-vpp_debug-native/vpp/bin/vpp VPP_TEST_PLUGIN_PATH=/vpp/build-root/install-vpp_debug-native/vpp/lib/vpp_plugins:/vpp/build-root/install-vpp_debug-native/vpp/lib64/vpp_plugins VPP_TEST_INSTALL_PATH=/vpp/build-root/install-vpp_debug-native/ LD_LIBRARY_PATH=/vpp/build-root/install-vpp_debug-native/vpp/lib/:/vpp/build-root/install-vpp_debug-native/vpp/lib64/ EXTENDED_TESTS= PYTHON= OS_ID=ubuntu CACHE_OUTPUT= test

make[1]: Entering directory '/vpp/test'

bash: line 1: 17751 Segmentation fault      python sanity_run_vpp.py

*******************************************************************

• Sanity check failed, cannot run vpp

*******************************************************************

Makefile:143: recipe for target 'sanity' failed

make[1]: *** [sanity] Error 1

make[1]: Leaving directory '/vpp/test'

Makefile:395: recipe for target 'test-debug' failed

make: *** [test-debug] Error 2

root@vpp:/vpp#

---------------------------------------------------------------------------------

root@vpp:/vpp# valgrind -v --leak-check=full --show-leak-kinds=all /vpp/build-root/install-vpp-native/vpp/bin/vpp -c /etc/vpp/startup.conf

==5391== Memcheck, a memory error detector

==5391== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.

==5391== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info

==5391== Command: /vpp/build-root/install-vpp-native/vpp/bin/vpp -c /etc/vpp/startup.conf

==5391==

-5391- Valgrind options:

-5391-    -v

-5391-    --leak-check=full

-5391-    --show-leak-kinds=all

-5391- Contents of /proc/version:

-5391-   Linux version 4.4.0-21-generic (buildd@lgw01-21) (gcc version 5.3.1 20160413 (Ubuntu 5.3.1-14ubuntu2) ) #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016

-5391-

-5391- Arch and hwcaps: AMD64, LittleEndian, amd64-cx16-lzcnt-rdtscp-sse3-avx

-5391- Page sizes: currently 4096, max supported 4096

-5391- Valgrind library directory: /usr/lib/valgrind

-5391- Reading syms from /vpp/build-root/install-vpp-native/vpp/bin/vpp

-5391- Reading syms from /lib/x86_64-linux-gnu/ld-2.23.so

-5391-   Considering /lib/x86_64-linux-gnu/ld-2.23.so ..

-5391-   .. CRC mismatch (computed aa979a42 wanted 9019bbb7)

-5391-   Considering /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.23.so ..

-5391-   .. CRC is valid

-5391- Reading syms from /usr/lib/valgrind/memcheck-amd64-linux

-5391-   Considering /usr/lib/valgrind/memcheck-amd64-linux ..

-5391-   .. CRC mismatch (computed eea41ea9 wanted 2009db78)

-5391-    object doesn't have a symbol table

-5391-    object doesn't have a dynamic symbol table

-5391- Scheduler: using generic scheduler lock implementation.

-5391- Reading suppressions file: /usr/lib/valgrind/default.supp

==5391== embedded gdbserver: reading from /tmp/vgdb-pipe-from-vgdb-to-5391-by-root-on-???

==5391== embedded gdbserver: writing to   /tmp/vgdb-pipe-to-vgdb-from-5391-by-root-on-???

==5391== embedded gdbserver: shared mem   /tmp/vgdb-pipe-shared-mem-vgdb-5391-by-root-on-???

==5391==

==5391== TO CONTROL THIS PROCESS USING vgdb (which you probably

==5391== don't want to do, unless you know exactly what you're doing,

==5391== or are doing some strange experiment):

==5391==   /usr/lib/valgrind/../../bin/vgdb --pid=5391 ...command...

==5391==

==5391== TO DEBUG THIS PROCESS USING GDB: start GDB like this

==5391==   /path/to/gdb /vpp/build-root/install-vpp-native/vpp/bin/vpp

==5391== and then give GDB the following command

==5391==   target remote | /usr/lib/valgrind/../../bin/vgdb --pid=5391

==5391== --pid is optional if only one valgrind process is running

==5391==

-5391- REDIR: 0x401cfd0 (ld-linux-x86-64.so.2:strlen) redirected to 0x3809e181 (???)

-5391- Reading syms from /usr/lib/valgrind/vgpreload_core-amd64-linux.so

-5391-   Considering /usr/lib/valgrind/vgpreload_core-amd64-linux.so ..

-5391-   .. CRC mismatch (computed 2567ccf6 wanted 49420590)

-5391-    object doesn't have a symbol table

-5391- Reading syms from /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so

-5391-   Considering /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so ..

-5391-   .. CRC mismatch (computed 0e27c9a8 wanted ac585421)

-5391-    object doesn't have a symbol table

==5391== WARNING: new redirection conflicts with existing – ignoring it

-5391-     old: 0x0401cfd0 (strlen              ) R-> (0000.0) 0x3809e181 ???

-5391-     new: 0x0401cfd0 (strlen              ) R-> (2007.0) 0x04c31020 strlen

-5391- REDIR: 0x401b920 (ld-linux-x86-64.so.2:index) redirected to 0x4c30bc0 (index)

-5391- REDIR: 0x401bb40 (ld-linux-x86-64.so.2:strcmp) redirected to 0x4c320d0 (strcmp)

-5391- REDIR: 0x401dd30 (ld-linux-x86-64.so.2:mempcpy) redirected to 0x4c35270 (mempcpy)

-5391- Reading syms from /vpp/build-root/install-vpp-native/vpp/lib/libvlibmemory.so.18.10

-5391- Reading syms from /vpp/build-root/install-vpp-native/vpp/lib/libvnet.so.18.10

-5391- Reading syms from /lib/x86_64-linux-gnu/libdl-2.23.so

-5391-   Considering /lib/x86_64-linux-gnu/libdl-2.23.so ..

-5391-   .. CRC mismatch (computed 39227170 wanted ab6e2c22)

-5391-   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libdl-2.23.so ..

-5391-   .. CRC is valid

-5391- Reading syms from /vpp/build-root/install-vpp-native/vpp/lib/libvlib.so.18.10

-5391- Reading syms from /vpp/build-root/install-vpp-native/vpp/lib/libsvm.so.18.10

-5391- Reading syms from /lib/x86_64-linux-gnu/libpthread-2.23.so

-5391-   Considering /usr/lib/debug/.build-id/ce/17e023542265fc11d9bc8f534bb4f070493d30.debug ..

-5391-   .. build-id is valid

-5391- Reading syms from /vpp/build-root/install-vpp-native/vpp/lib/libvppinfra.so.18.10

-5391- Reading syms from /lib/x86_64-linux-gnu/libc-2.23.so

-5391-   Considering /lib/x86_64-linux-gnu/libc-2.23.so ..

-5391-   .. CRC mismatch (computed 7a8ee3e4 wanted a5190ac4)

-5391-   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libc-2.23.so ..

-5391-   .. CRC is valid

-5391- Reading syms from /lib/x86_64-linux-gnu/libcrypto.so.1.0.0

-5391-    object doesn't have a symbol table

-5391- Reading syms from /lib/x86_64-linux-gnu/libm-2.23.so

-5391-   Considering /lib/x86_64-linux-gnu/libm-2.23.so ..

-5391-   .. CRC mismatch (computed e8c3647b wanted c3efddac)

-5391-   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libm-2.23.so ..

-5391-   .. CRC is valid

-5391- Reading syms from /lib/x86_64-linux-gnu/librt-2.23.so

-5391-   Considering /lib/x86_64-linux-gnu/librt-2.23.so ..

-5391-   .. CRC mismatch (computed 734d0439 wanted 09d6393c)

-5391-   Considering /usr/lib/debug/lib/x86_64-linux-gnu/librt-2.23.so ..

-5391-   .. CRC is valid

-5391- REDIR: 0x6680a00 (libc.so.6:strcasecmp) redirected to 0x4a286f0 (_vgnU_ifunc_wrapper)

-5391- REDIR: 0x667c280 (libc.so.6:strcspn) redirected to 0x4a286f0 (_vgnU_ifunc_wrapper)

-5391- REDIR: 0x6682cf0 (libc.so.6:strncasecmp) redirected to 0x4a286f0 (_vgnU_ifunc_wrapper)

-5391- REDIR: 0x667e6f0 (libc.so.6:strpbrk) redirected to 0x4a286f0 (_vgnU_ifunc_wrapper)

-5391- REDIR: 0x667ea80 (libc.so.6:strspn) redirected to 0x4a286f0 (_vgnU_ifunc_wrapper)

-5391- REDIR: 0x668014b (libc.so.6:memcpy@GLIBC_2.2.5) redirected to 0x4a286f0 (_vgnU_ifunc_wrapper)

-5391- REDIR: 0x667acd0 (libc.so.6:strcmp) redirected to 0x4a286f0 (_vgnU_ifunc_wrapper)

-5391- REDIR: 0x667e400 (libc.so.6:rindex) redirected to 0x4c308a0 (rindex)

-5391- REDIR: 0x667c720 (libc.so.6:strlen) redirected to 0x4c30f60 (strlen)

-5391- REDIR: 0x667cb20 (libc.so.6:strncmp) redirected to 0x4a286f0 (_vgnU_ifunc_wrapper)

-5391- REDIR: 0x6736a90 (libc.so.6:_strncmp_sse42) redirected to 0x4c317f0 (_strncmp_sse42)

-5391- REDIR: 0x6675130 (libc.so.6:malloc) redirected to 0x4c2db20 (malloc)

-5391- REDIR: 0x667f060 (libc.so.6:_GI_strstr) redirected to 0x4c354d0 (_strstr_sse2)

-5391- REDIR: 0x6675d10 (libc.so.6:calloc) redirected to 0x4c2faa0 (calloc)

-5391- REDIR: 0x667c8c0 (libc.so.6:strnlen) redirected to 0x4c30ee0 (strnlen)

-5391- REDIR: 0x6685470 (libc.so.6:_GI_memcpy) redirected to 0x4c32b00 (_GI_memcpy)

-5391- REDIR: 0x667f860 (libc.so.6:memchr) redirected to 0x4c32170 (memchr)

-5391- REDIR: 0x66756c0 (libc.so.6:realloc) redirected to 0x4c2fce0 (realloc)

-5391- REDIR: 0x66754f0 (libc.so.6:free) redirected to 0x4c2ed80 (free)

==5391== Invalid read of size 1

==5391==    at 0x63D400F: mspace_malloc (dlmalloc.c:4339)

==5391==    by 0x63D58CB: mspace_get_aligned (dlmalloc.c:4225)

==5391==    by 0x63D931C: clib_mem_alloc_aligned_at_offset (mem.h:118)

==5391==    by 0x63D931C: clib_mem_alloc_aligned (mem.h:142)

==5391==    by 0x63D931C: clib_spinlock_init (lock.h:59)

==5391==    by 0x63D931C: clib_mem_init (mem_dlmalloc.c:221)

==5391==    by 0x406D52: main (main.c:260)

==5391==  Address 0x370 is not stack'd, malloc'd or (recently) free'd

==5391==

==5391==

==5391== Process terminating with default action of signal 11 (SIGSEGV)

==5391==  Access not within mapped region at address 0x370

==5391==    at 0x63D400F: mspace_malloc (dlmalloc.c:4339)

==5391==    by 0x63D58CB: mspace_get_aligned (dlmalloc.c:4225)

==5391==    by 0x63D931C: clib_mem_alloc_aligned_at_offset (mem.h:118)

==5391==    by 0x63D931C: clib_mem_alloc_aligned (mem.h:142)

==5391==    by 0x63D931C: clib_spinlock_init (lock.h:59)

==5391==    by 0x63D931C: clib_mem_init (mem_dlmalloc.c:221)

==5391==    by 0x406D52: main (main.c:260)

==5391==  If you believe this happened as a result of a stack

==5391==  overflow in your program's main thread (unlikely but

==5391==  possible), you can try to increase the size of the

==5391==  main thread stack using the --main-stacksize= flag.

==5391==  The main thread stack size used in this run was 8388608.

==5391==

==5391== HEAP SUMMARY:

==5391==     in use at exit: 365 bytes in 22 blocks

==5391==   total heap usage: 45 allocs, 23 frees, 6,861 bytes allocated

==5391==

==5391== Searching for pointers to 22 not-freed blocks

==5391== Checked 527,952 bytes

==5391==

==5391== 47 bytes in 1 blocks are still reachable in loss record 1 of 3

==5391==    at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)

==5391==    by 0x667C4D9: strndup (strndup.c:43)

==5391==    by 0x407001: main (main.c:159)

==5391==

==5391== 142 bytes in 20 blocks are still reachable in loss record 2 of 3

==5391==    at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)

==5391==    by 0x667C4D9: strndup (strndup.c:43)

==5391==    by 0x40706C: main (main.c:178)

==5391==

==5391== 176 bytes in 1 blocks are still reachable in loss record 3 of 3

==5391==    at 0x4C2FD5F: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)

==5391==    by 0x40717B: main (main.c:188)

==5391==

==5391== LEAK SUMMARY:

==5391==    definitely lost: 0 bytes in 0 blocks

==5391==    indirectly lost: 0 bytes in 0 blocks

==5391==      possibly lost: 0 bytes in 0 blocks

==5391==    still reachable: 365 bytes in 22 blocks

==5391==         suppressed: 0 bytes in 0 blocks

==5391==

==5391== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

==5391==

==5391== 1 errors in context 1 of 1:

==5391== Invalid read of size 1

==5391==    at 0x63D400F: mspace_malloc (dlmalloc.c:4339)

==5391==    by 0x63D58CB: mspace_get_aligned (dlmalloc.c:4225)

==5391==    by 0x63D931C: clib_mem_alloc_aligned_at_offset (mem.h:118)

==5391==    by 0x63D931C: clib_mem_alloc_aligned (mem.h:142)

==5391==    by 0x63D931C: clib_spinlock_init (lock.h:59)

==5391==    by 0x63D931C: clib_mem_init (mem_dlmalloc.c:221)

==5391==    by 0x406D52: main (main.c:260)

==5391==  Address 0x370 is not stack'd, malloc'd or (recently) free'd

==5391==

==5391== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

Segmentation fault

(env) root@vpp:/vpp#