<p>In <a href="https://github.com/kamailio/kamailio/pull/390#discussion_r44548900">modules/rtpengine/rtpengine.c</a>:</p>
<pre style='color:#555'>> found:
> if (do_test) {
> node->rn_disabled = rtpp_test(node, node->rn_disabled, 0);
> if (node->rn_disabled)
> goto retry;
> }
> +
> + /* build hash table entry */
> + struct rtpengine_hash_entry *entry = shm_malloc(sizeof(struct rtpp_node));
> + if (shm_str_dup(&entry->callid, &callid) < 0) {
> + LM_ERR("rtpengine hash table fail to duplicate calllen=%d callid=%.*s",
> + callid.len, callid.len, callid.s);
> + }
> + entry->node = node;
> + entry->next = NULL;
> + entry->tout = get_ticks() + hash_table_tout;
> +
> + /* Insert the key<->entry from the hashtable */
> + if (!rtpengine_hash_table_insert(&callid, entry)) {
> + LM_ERR("rtpengine hash table fail to insert node=%.*s for calllen=%d callid=%.*s",
</pre>
<p>The error case needs some shm_free() I think</p>
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