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fixed possible m_PacketACKIntervalRem overflow

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orignal committed 2026-07-28 10:29:22 -04:00
1 parent 01240f75ab
commit 8affeb074f
1 file changed
+5 -1
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libi2pd/Streaming.cpp
+5 -1
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@@ -1173,7 +1173,11 @@ namespace stream
if (m_LastACKSendTime)
passedTime = (ts - m_LastACKSendTime)*1000; // in microseconds
numPackets = (passedTime + m_PacketACKIntervalRem) / m_PacketACKInterval;
m_PacketACKIntervalRem = (passedTime + m_PacketACKIntervalRem) - (numPackets * m_PacketACKInterval);
int64_t delta = numPackets * m_PacketACKInterval - passedTime;
if (delta < (int64_t)m_PacketACKIntervalRem)
m_PacketACKIntervalRem -= delta;
else
m_PacketACKIntervalRem = 0;
if (m_LastConfirmedReceivedSequenceNumber + numPackets < m_LastReceivedSequenceNumber)
{
lastReceivedSeqn = m_LastConfirmedReceivedSequenceNumber + numPackets;