* FIX [mqtt_codec] Fix property STR copy leak

RanMaoyi · RanMaoyi · commit 316bcc94b5b4 · 2026-01-27T17:43:44.000+08:00
Signed-off-by: Moi Ran &lt;maoyi.ran@emqx.io&gt;
diff --git a/src/supplemental/mqtt/mqtt_codec.c b/src/supplemental/mqtt/mqtt_codec.c
@@ -3738,7 +3738,7 @@ property_parse(struct pos_buf *buf, property *prop, uint8_t prop_id,
 			if (read_utf8_str(buf, &str) != 0)
 				log_warn("Property decode error: Not UTF-8!");
 			else
-				mqtt_buf_dup(&prop->data.p_value.binary, &str);
+				mqtt_buf_dup(&prop->data.p_value.str, &str);
 		} else {
 			read_utf8_str(buf, &prop->data.p_value.str);
 		}

Original file line number	Diff line number	Diff line change
`@@ -3738,7 +3738,7 @@ property_parse(struct pos_buf buf, property prop, uint8_t prop_id,`
`3738`	`3738`	`if (read_utf8_str(buf, &str) != 0)`
`3739`	`3739`	`log_warn("Property decode error: Not UTF-8!");`
`3740`	`3740`	`else`
`3741`		`- mqtt_buf_dup(&prop->data.p_value.binary, &str);`
	`3741`	`+ mqtt_buf_dup(&prop->data.p_value.str, &str);`
`3742`	`3742`	`} else {`
`3743`	`3743`	`read_utf8_str(buf, &prop->data.p_value.str);`
`3744`	`3744`	`}`