[sr-dev] [kamailio/kamailio] Segfault in Kamailio 5.6.0 related to app_perl module (Issue #3134)

[David Cunningham]

How should we enable the debug information when Kamailio is compiled from source please?

At the moment running valgrind on a test system we get an output like the one below. 

==3246448== HEAP SUMMARY:
==3246448==     in use at exit: 9,225,711 bytes in 293 blocks
==3246448==   total heap usage: 4,020 allocs, 3,727 frees, 9,833,603 bytes allocated
==3246448== 
==3246448== LEAK SUMMARY:
==3246448==    definitely lost: 0 bytes in 0 blocks
==3246448==    indirectly lost: 0 bytes in 0 blocks
==3246448==      possibly lost: 0 bytes in 0 blocks
==3246448==    still reachable: 9,225,711 bytes in 293 blocks
==3246448==         suppressed: 0 bytes in 0 blocks
==3246448== Rerun with --leak-check=full to see details of leaked memory
==3246448== 
==3246448== For lists of detected and suppressed errors, rerun with: -s
==3246448== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
==3246474== Invalid read of size 8
==3246474==    at 0x5A89590: Perl__invlist_intersection_maybe_complement_2nd (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5A89BD4: ??? (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5A99C7E: ??? (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5AA0267: ??? (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5AA4D02: ??? (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5AA52CE: ??? (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5AA0086: ??? (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5AA4D02: ??? (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5AA52CE: ??? (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5AAA36B: Perl_re_op_compile (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5A3EC34: Perl_pmruntime (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
==3246474==    by 0x5A7B23A: Perl_yyparse (in /usr/lib/x86_64-linux-gnu/libperl.so.5.30.0)
...etc..


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