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avcodec/avcodec: Limit the number of side data elements per packet

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Fixes: 1293/clusterfuzz-testcase-minimized-6054752074858496

See: [FFmpeg-devel] [PATCH] avcodec/avcodec: Limit the number of side data elements per packet

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2017-05-11 13:01:36 +02:00
parent f225003d17
commit d5711cb891
2 changed files with 14 additions and 1 deletions
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libavcodec/avcodec.h
+10
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@@ -1593,6 +1593,16 @@ enum AVPacketSideDataType {
* AVContentLightMetadata struct.
*/
AV_PKT_DATA_CONTENT_LIGHT_LEVEL,
/**
* The number of side data elements (in fact a bit more than it).
* This is not part of the public API/ABI in the sense that it may
* change when new side data types are added.
* This must stay the last enum value.
* If its value becomes huge, some code using it
* needs to be updated as it assumes it to be smaller than other limits.
*/
AV_PKT_DATA_NB
};
#define AV_PKT_DATA_QUALITY_FACTOR AV_PKT_DATA_QUALITY_STATS //DEPRECATED