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Bug 1737816 - Handle truncated mp3 resources. r=bryce, a=RyanVM

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roytam1 2022-01-19 10:13:45 +08:00
commit 258790bf38
1 changed files with 2 additions and 1 deletions
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dom/media/mp3/MP3Demuxer.cpp
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@ -676,8 +676,9 @@ MP3TrackDemuxer::Read(uint8_t* aBuffer, int64_t aOffset, int32_t aSize) {
const int64_t streamLen = StreamLength();
if (mInfo && streamLen > 0) {
uint64_t max = streamLen > aOffset ? streamLen - aOffset : 0;
// Prevent blocking reads after successful initialization.
aSize = std::min<int64_t>(aSize, streamLen - aOffset);
aSize = std::min<int64_t>(aSize, max);
}
uint32_t read = 0;