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only write headers with a length that fits into 2 bytes in fuzz test

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This commit is contained in:
Marten Seemann 2020-11-19 13:43:48 +07:00
parent 287a324acf
commit f0aa336e09
1 changed files with 5 additions and 0 deletions
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5
fuzzing/header/fuzz.go
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@ -48,6 +48,11 @@ func Fuzz(data []byte) int {
return 0
}
}
// We always use a 2-byte encoding for the Length field in Long Header packets.
// Serializing the header will fail when using a higher value.
if hdr.IsLongHeader && hdr.Length > 16383 {
return 1
}
b := &bytes.Buffer{}
if err := extHdr.Write(b, version); err != nil {
// We are able to parse packets with connection IDs longer than 20 bytes,