diff options
Diffstat (limited to 'libgo/go/encoding/gob/decode.go')
| -rw-r--r-- | libgo/go/encoding/gob/decode.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libgo/go/encoding/gob/decode.go b/libgo/go/encoding/gob/decode.go index 4d1325d176c..8191062d309 100644 --- a/libgo/go/encoding/gob/decode.go +++ b/libgo/go/encoding/gob/decode.go @@ -690,7 +690,11 @@ func (dec *Decoder) decodeInterface(ityp reflect.Type, state *decoderState, p ui // Create a writable interface reflect.Value. We need one even for the nil case. ivalue := allocValue(ityp) // Read the name of the concrete type. - b := make([]byte, state.decodeUint()) + nr := state.decodeUint() + if nr < 0 || nr > 1<<31 { // zero is permissible for anonymous types + errorf("invalid type name length %d", nr) + } + b := make([]byte, nr) state.b.Read(b) name := string(b) if name == "" { |
