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-rw-r--r--dhcpv6/options.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/dhcpv6/options.go b/dhcpv6/options.go
index 2c5842c..2fcc9e9 100644
--- a/dhcpv6/options.go
+++ b/dhcpv6/options.go
@@ -96,6 +96,9 @@ func ParseOption(dataStart []byte) (Option, error) {
if err != nil {
return nil, err
}
+ if length != opt.Length() {
+ return nil, fmt.Errorf("different lengths for opt %v: %v != %v", code, length, opt.Length())
+ }
return opt, nil
}