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fuzzing: add frame validation logic (#4206)

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This commit is contained in:
Marten Seemann
2023-12-14 12:39:02 +05:30
committed by GitHub
parent 048940927c
commit 6ffb9054a2
2 changed files with 55 additions and 5 deletions
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4
internal/wire/ack_frame.go
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@@ -37,7 +37,7 @@ func parseAckFrame(frame *AckFrame, r *bytes.Reader, typ uint64, ackDelayExponen
delayTime := time.Duration(delay*1<<ackDelayExponent) * time.Microsecond
if delayTime < 0 {
// If the delay time overflows, set it to the maximum encodable value.
// If the delay time overflows, set it to the maximum encode-able value.
delayTime = utils.InfDuration
}
frame.DelayTime = delayTime
@@ -57,9 +57,9 @@ func parseAckFrame(frame *AckFrame, r *bytes.Reader, typ uint64, ackDelayExponen
return errors.New("invalid first ACK range")
}
smallest := largestAcked - ackBlock
frame.AckRanges = append(frame.AckRanges, AckRange{Smallest: smallest, Largest: largestAcked})
// read all the other ACK ranges
frame.AckRanges = append(frame.AckRanges, AckRange{Smallest: smallest, Largest: largestAcked})
for i := uint64(0); i < numBlocks; i++ {
g, err := quicvarint.Read(r)
if err != nil {