- All str pointers initialized to an emptry string, this is to prevent

  crashes when module writers do not check the NULL flag of a value properly.

modules/db_mysql/val.c

@@ -160,6 +160,8 @@ static inline int time2str(time_t _v, char* _s, int* _l)
  */
 int str2val(db_type_t _t, db_val_t* _v, const char* _s, int _l)
 {
+	static str dummy_string = {"", 0};
+	
 	if (!_v) {
 		LOG(L_ERR, "str2val: Invalid parameter value\n");
 		return -1;
@@ -167,6 +169,13 @@ int str2val(db_type_t _t, db_val_t* _v, const char* _s, int _l)
 
 	if (!_s) {
 		memset(_v, 0, sizeof(db_val_t));
+			/* Initialize the string pointers to a dummy empty
+			 * string so that we do not crash when the NULL flag
+			 * is set but the module does not check it properly
+			 */
+		VAL_STRING(_v) = dummy_string.s;
+		VAL_STR(_v) = dummy_string;
+		VAL_BLOB(_v) = dummy_string;
 		VAL_TYPE(_v) = _t;
 		VAL_NULL(_v) = 1;
 		return 0;