regex: allocate pcres array

- GH #3812
kamailio · Apr 23, 2024 · 2cc6213 · 2cc6213
1 parent 84517c1
commit 2cc6213
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/modules/regex/regex_mod.c b/src/modules/regex/regex_mod.c
@@ -462,6 +462,15 @@ static int load_pcres(int action)
 		}
 		shm_free(pcres);
 	}
+
+	if(pcres == NULL) {
+		if((pcres = shm_malloc(sizeof(pcre2_code *) * num_pcres_tmp)) == 0) {
+			LM_ERR("no more memory for pcres\n");
+			goto err;
+		}
+		memset(pcres, 0, sizeof(pcre2_code *) * num_pcres_tmp);
+	}
+
 	*num_pcres = num_pcres_tmp;
 	*pcres = *pcres_tmp;
 	*pcres_addr = pcres;