Fix a huge memory leak in hyperscan

diff --git a/src/libserver/re_cache.c b/src/libserver/re_cache.c
index e9a18cfdd26cdb72ed1e75d6757adce55db99103..82bd55dacb3d1b7a2fa58be5933011f34aafe674 100644 (file)
--- a/src/libserver/re_cache.c
+++ b/src/libserver/re_cache.c
@@ -1440,7 +1440,22 @@ rspamd_re_cache_load_hyperscan (struct rspamd_re_cache *cache,
                        }
 
                        munmap (map, st.st_size);
+
+                       if (re_class->hs_scratch != NULL) {
+                               hs_free_scratch (re_class->hs_scratch);
+                       }
+
+                       if (re_class->hs_db != NULL) {
+                               hs_free_database (re_class->hs_db);
+                       }
+
+                       if (re_class->hs_ids) {
+                               g_free (re_class->hs_ids);
+                       }
+
+                       re_class->hs_ids = NULL;
                        re_class->hs_scratch = NULL;
+                       re_class->hs_db = NULL;
                        g_assert (hs_alloc_scratch (re_class->hs_db,
                                        &re_class->hs_scratch) == HS_SUCCESS);