<p></p>
<p dir="auto">maybe this will help?</p>
<pre class="notranslate"><code class="notranslate">diff --git a/src/modules/tm/t_funcs.h b/src/modules/tm/t_funcs.h
index 6830b13..dbbdc19 100644
--- a/src/modules/tm/t_funcs.h
+++ b/src/modules/tm/t_funcs.h
@@ -110,7 +110,7 @@ int send_pr_buffer( struct retr_buf *rb, void *buf, int len);
 
 #define UNREF_NOSTATS(_T_cell) \
        do{\
-               if (atomic_dec_and_test(&(_T_cell)->ref_count)){ \
+               if (_T_cell && atomic_dec_and_test(&(_T_cell)->ref_count)){ \
                        unlink_timers((_T_cell)); \
                        free_cell((_T_cell)); \
                }\
</code></pre>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />Reply to this email directly, <a href="https://github.com/kamailio/kamailio/issues/3156#issuecomment-1173867017">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/ABO7UZLQ36YP2DIQUKGTMXDVSLWHPANCNFSM5ZIRRXFA">unsubscribe</a>.<br />You are receiving this because you are subscribed to this thread.<img src="https://github.com/notifications/beacon/ABO7UZOLSFZRHFP7SCRLIKTVSLWHPA5CNFSM5ZIRRXFKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOIX34UCI.gif" height="1" width="1" alt="" /><span style="color: transparent; font-size: 0; display: none; visibility: hidden; overflow: hidden; opacity: 0; width: 0; height: 0; max-width: 0; max-height: 0; mso-hide: all">Message ID: <span><kamailio/kamailio/issues/3156/1173867017</span><span>@</span><span>github</span><span>.</span><span>com></span></span></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/kamailio/kamailio/issues/3156#issuecomment-1173867017",
"url": "https://github.com/kamailio/kamailio/issues/3156#issuecomment-1173867017",
"name": "View Issue"
},
"description": "View this Issue on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>