Problem with snmp_free_pdu

Hi,
I am working on some agent development with Net-SNMP, while doing my testing I came across some issues with snmp_free_pdu, it is somehow calling free for the same variable again and crashing.

I had to make following changes to make it work:

void
snmp_free_pdu(netsnmp_pdu *pdu)
{
    struct snmp_secmod_def *sptr;

    if (!pdu)
        return;

    /*
    if (pdu->command == 0) {
        snmp_log(LOG_WARNING, "snmp_free_pdu probably called twice\n");
        return;
    }
     */
    if ((sptr = find_sec_mod(pdu->securityModel)) != NULL &&
        sptr->pdu_free != NULL) {
        (*sptr->pdu_free) (pdu);
    }
    snmp_free_varbind(pdu->variables);
    SNMP_FREE(pdu->enterprise);
    SNMP_FREE(pdu->community);
    SNMP_FREE(pdu->contextEngineID);
    SNMP_FREE(pdu->securityEngineID);
    SNMP_FREE(pdu->contextName);
    SNMP_FREE(pdu->securityName);
    SNMP_FREE(pdu->transport_data);
    // Changed it
    memset(pdu, 0, sizeof(netsnmp_pdu));
    //SNMP_FREE(pdu);          /* commented out */
}

Has anybody faced this problem before or any patch for this ?


Regards
-tarun

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