diff options
Diffstat (limited to 'src/encoding/gob/decode.go')
| -rw-r--r-- | src/encoding/gob/decode.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/encoding/gob/decode.go b/src/encoding/gob/decode.go index a5bef93141..e227b221aa 100644 --- a/src/encoding/gob/decode.go +++ b/src/encoding/gob/decode.go @@ -688,7 +688,11 @@ func (dec *Decoder) ignoreInterface(state *decoderState) { error_(dec.err) } // At this point, the decoder buffer contains a delimited value. Just toss it. - state.b.Drop(int(state.decodeUint())) + n := int(state.decodeUint()) + if n < 0 || state.b.Len() < n { + errorf("bad interface encoding: length too large for buffer") + } + state.b.Drop(n) } // decodeGobDecoder decodes something implementing the GobDecoder interface. |