Add proper error message for negative length

2022-01-16 20:24:18 -05:00
parent 0d979d8b3e
commit f01463fc12
1 changed files with 3 additions and 0 deletions
--- a/vm/src/builtins/int.rs
+++ b/vm/src/builtins/int.rs
@@ -640,6 +640,9 @@ impl PyInt {
            return Err(vm.new_overflow_error("can't convert negative int to unsigned".to_owned()));
        }

+        if args.length.value.sign() == Sign::Minus {
+            return Err(vm.new_value_error("length argument must be non-negative".to_owned()));
+        }
        let byte_len = args.length.try_to_primitive(vm)?;

        let mut origin_bytes = match (args.byteorder.as_str(), signed) {