[Fix] Crash in URL processing

diff --git a/src/libserver/url.c b/src/libserver/url.c
index da7583596bddcfd5e03e2bfb5e644e04879aa6f8..918f7eee33965ac7c49298dcf67b3e2e67a9e3b4 100644 (file)
--- a/src/libserver/url.c
+++ b/src/libserver/url.c
@@ -2582,7 +2582,7 @@ rspamd_url_task_subject_callback (struct rspamd_url *url, gsize start_offset,
                                                " %*s", url_str, url->querylen, url->query);
 
                                if ((existing = g_hash_table_lookup (task->urls,
-                                               query_url))) {
+                                               query_url)) == NULL) {
                                        g_hash_table_insert (task->urls,
                                                        query_url,
                                                        query_url);