Parsing from raw functions should check that the buffer is big enough #2050
Description
As an example, MetaFromRaw should check buffer length before trying to parse anything from the buffer:
func MetaFromRaw(b []byte) (*Meta, error) {
if len(b) < MetaLen {
return nil, common.NewBasicError("Can't parse SCMP meta subheader, buffer is too short",
nil, "expected", MetaLen, "actual", len(b))
}
m := &Meta{}
if err := restruct.Unpack(b, binary.BigEndian, m); err != nil {
return nil, common.NewBasicError("Failed to unpack SCMP Metadata", err)
}
return m, nil
}