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Bug 1216748 - p3. Ensure 'covr' data size cannot create underflow - r=rillian
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@ -2024,12 +2024,15 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
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if (mFileMetaData != NULL) {
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ALOGV("chunk_data_size = %lld and data_offset = %lld",
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chunk_data_size, data_offset);
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const int kSkipBytesOfDataBox = 16;
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if (chunk_data_size <= kSkipBytesOfDataBox) {
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return ERROR_MALFORMED;
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}
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sp<ABuffer> buffer = new ABuffer(chunk_data_size + 1);
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if (mDataSource->readAt(
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data_offset, buffer->data(), chunk_data_size) != (ssize_t)chunk_data_size) {
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return ERROR_IO;
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}
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const int kSkipBytesOfDataBox = 16;
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mFileMetaData->setData(
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kKeyAlbumArt, MetaData::TYPE_NONE,
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buffer->data() + kSkipBytesOfDataBox, chunk_data_size - kSkipBytesOfDataBox);
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