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avcodec/mss4: Check image size with av_image_check_size2() 

Fixes: Timeout
Fixes: 48418/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MTS2_fuzzer-4834851466903552

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-07-03 00:34:08 +02:00
parent 8af798171b
commit 4e145f1dcd
1 changed files with 4 additions and 0 deletions
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4
libavcodec/mss4.c
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@ -26,6 +26,7 @@
*/
#include "libavutil/thread.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
@ -477,6 +478,9 @@ static int mss4_decode_frame(AVCodecContext *avctx, AVFrame *rframe,
width, height);
return AVERROR_INVALIDDATA;
}
if (av_image_check_size2(width, height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0)
return AVERROR_INVALIDDATA;
if (quality < 1 || quality > 100) {
av_log(avctx, AV_LOG_ERROR, "Invalid quality setting %d\n", quality);
return AVERROR_INVALIDDATA;