The issue is trivial to reproduce. I didn’t test every dialplan module function, but it occurs with both dp_transalate() and dp_match(). I’ve opened an issue in GitHub: https://github.com/kamailio/kamailio/issues/3851 Regards, Kaufman *From:* Ben Kaufman via sr-users &lt;sr-users(a)lists.kamailio.org&gt; *Sent:* Monday, May 13, 2024 5:05 PM *To:* Kamailio (SER) - Users Mailing List &lt;sr-users(a)lists.kamailio.org&gt; *Cc:* Ben Kaufman &lt;bkaufman(a)bcmone.com&gt; *Subject:* [SR-Users] Re: q_malloc.c:520 WARNINGs *CAUTION:* This email originated from outside the organization. *Do not click links or open attachments* unless you recognize the sender and know the content is safe. I’ve just noticed a similar behavior in kamailio 5.8.1 after upgrading from 5.6.3. I haven’t had time to poke around on it much yet. Wondering if anyone found the root cause? In my case I’m calling just `dp_match("1", "$rU");` I’ll try to update with a simplified scenario, etc. *From:* Joel Serrano via sr-users &lt;sr-users(a)lists.kamailio.org&gt; *Sent:* Saturday, March 9, 2024 9:30 AM *To:* Kamailio (SER) - Users Mailing List &lt;sr-users(a)lists.kamailio.org&gt; *Cc:* Joel Serrano &lt;joel(a)textplus.com&gt; *Subject:* [SR-Users] Re: q_malloc.c:520 WARNINGs *CAUTION:* This email originated from outside the organization. *Do not click links or open attachments* unless you recognize the sender and know the content is safe. I've tried setting corelog=L_INFO but I can still see the WARNINGS. Also, one correction in my previous msg, I don't have 2 "debug" lines, I have them defined within a condition: #!ifdef WITH_DEBUG debug=L_DBG #!else debug=L_NOTICE #!endif ... ... Joel. On Fri, Mar 8, 2024 at 9:54 PM Joel Serrano &lt;joel(a)textplus.com&gt; wrote: Hi, Does anyone know what this WARNING means or how to fix it? 2024-03-09T00:39:15.406674-05:00 csbc03 csbc[33024]: WARNING: {1 1 INVITE CALL-ID} <core> [core/mem/q_malloc.c:520]: qm_free(): WARNING: free(0) called from dialplan: dp_db.c: pcre2_free(206) 2024-03-09T00:39:15.406823-05:00 csbc03 csbc[33024]: WARNING: {1 1 INVITE CALL-ID} <core> [core/mem/q_malloc.c:520]: qm_free(): WARNING: free(0) called from dialplan: dp_db.c: pcre2_free(206) 2024-03-09T00:39:15.406973-05:00 csbc03 csbc[33024]: WARNING: {1 1 INVITE CALL-ID} <core> [core/mem/q_malloc.c:520]: qm_free(): WARNING: free(0) called from dialplan: dp_db.c: pcre2_free(206) 2024-03-09T00:39:15.407089-05:00 csbc03 csbc[33024]: WARNING: {1 1 INVITE CALL-ID} <core> [core/mem/q_malloc.c:520]: qm_free(): WARNING: free(0) called from dialplan: dp_db.c: pcre2_free(206) 2024-03-09T00:39:15.407178-05:00 csbc03 csbc[33024]: WARNING: {1 1 INVITE CALL-ID} <core> [core/mem/q_malloc.c:520]: qm_free(): WARNING: free(0) called from dialplan: dp_db.c: pcre2_free(206) 2024-03-09T00:39:15.407278-05:00 csbc03 csbc[33024]: WARNING: {1 1 INVITE CALL-ID} <core> [core/mem/q_malloc.c:520]: qm_free(): WARNING: free(0) called from dialplan: dp_db.c: pcre2_free(206) 2024-03-09T00:39:15.407375-05:00 csbc03 csbc[33024]: WARNING: {1 1 INVITE CALL-ID} <core> [core/mem/q_malloc.c:520]: qm_free(): WARNING: free(0) called from dialplan: dp_db.c: pcre2_free(206) It happens after running dp_translate(). These are my settings: debug=L_DBG debug=L_NOTICE memdbg=L_INFO memlog=L_INFO corelog=L_ERR mem_summary=12 log_stderror=no log_facility=LOG_LOCAL0 log_name="csbc" log_prefix="{$mt $hdr(CSeq) $ci} " mem_join=1 Any ideas? Thanks, Joel. __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions To unsubscribe send an email to sr-users-leave(a)lists.kamailio.org Important: keep the mailing list in the recipients, do not reply only to the sender! Edit mailing list options or unsubscribe: