From a9ee765c49bd9c605b678d001289d444801017d7 Mon Sep 17 00:00:00 2001
From: "jabber.developer2" <jabber.developer2@jabber.space>
Date: Tue, 31 Mar 2026 18:56:02 +0300
Subject: [PATCH] fix: memory leak and crash when id is NULL in
 iq_id_handler_add (upstream 0218ba26)

---
 src/xmpp/iq.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/xmpp/iq.c b/src/xmpp/iq.c
index 613c27ce..ec1ede7c 100644
--- a/src/xmpp/iq.c
+++ b/src/xmpp/iq.c
@@ -358,6 +358,13 @@ _iq_id_handler_free(ProfIqHandler* handler)
 void
 iq_id_handler_add(const char* const id, ProfIqCallback func, ProfIqFreeCallback free_func, void* userdata)
 {
+    if (id == NULL) {
+        if (free_func) {
+            free_func(userdata);
+        }
+        return;
+    }
+
     ProfIqHandler* handler = malloc(sizeof(ProfIqHandler));
     if (handler) {
         handler->func = func;