1 This has been fixed in upstream version 5.7.2 (see README).

     2 http://sourceforge.net/p/net-snmp/code/ci/4d38895f459a1df24f68c4a60e4caf6a778d8c1f

     3 

     4 --- a/agent/mibgroup/agent/extend.c

     5 +++ b/agent/mibgroup/agent/extend.c

     6 @@ -473,10 +473,21 @@ extend_parse_config(const char *token, char *cptr)

     7              

     8      } else if (!strcmp( token, "sh"   ) ||

     9                 !strcmp( token, "exec" )) {

    10 -        if ( num_compatability_entries == max_compatability_entries )

    11 +        if ( num_compatability_entries == max_compatability_entries ) {

    12              /* XXX - should really use dynamic allocation */

    13 -            config_perror("No further UCD-compatible entries" );

    14 -        else

    15 +            netsnmp_old_extend *new_compatability_entries;

    16 +            new_compatability_entries = realloc(compatability_entries,

    17 +                             max_compatability_entries*2*sizeof(netsnmp_old_extend));

    18 +            if (!new_compatability_entries)

    19 +                config_perror("No further UCD-compatible entries" );

    20 +            else {

    21 +                memset(new_compatability_entries+num_compatability_entries, 0,

    22 +                        sizeof(netsnmp_old_extend)*max_compatability_entries);

    23 +                max_compatability_entries *= 2;

    24 +                compatability_entries = new_compatability_entries;

    25 +            }

    26 +        }

    27 +        if (num_compatability_entries != max_compatability_entries)

    28              compatability_entries[

    29                  num_compatability_entries++ ].exec_entry = extension;

    30      }

    31