diff options
Diffstat (limited to 'src/math/big/floatmarsh.go')
-rw-r--r-- | src/math/big/floatmarsh.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/math/big/floatmarsh.go b/src/math/big/floatmarsh.go index d1c1dab0691..990e085abe8 100644 --- a/src/math/big/floatmarsh.go +++ b/src/math/big/floatmarsh.go @@ -8,6 +8,7 @@ package big import ( "encoding/binary" + "errors" "fmt" ) @@ -67,6 +68,9 @@ func (z *Float) GobDecode(buf []byte) error { *z = Float{} return nil } + if len(buf) < 6 { + return errors.New("Float.GobDecode: buffer too small") + } if buf[0] != floatGobVersion { return fmt.Errorf("Float.GobDecode: encoding version %d not supported", buf[0]) @@ -83,6 +87,9 @@ func (z *Float) GobDecode(buf []byte) error { z.prec = binary.BigEndian.Uint32(buf[2:]) if z.form == finite { + if len(buf) < 10 { + return errors.New("Float.GobDecode: buffer too small for finite form float") + } z.exp = int32(binary.BigEndian.Uint32(buf[6:])) z.mant = z.mant.setBytes(buf[10:]) } |