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avcodec/utils: Use 64bit for aspect ratio calculation in avcodec_string()
Fixes integer overflow Fixes: 3a45b2ae02f2cf12b7bd99543cdcdae5/asan_heap-oob_1dff502_8022_899f75e1e81046ebd7b6c2394a1419f4.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -2760,8 +2760,8 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
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if (enc->sample_aspect_ratio.num) {
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av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
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enc->width * enc->sample_aspect_ratio.num,
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enc->height * enc->sample_aspect_ratio.den,
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enc->width * (int64_t)enc->sample_aspect_ratio.num,
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enc->height * (int64_t)enc->sample_aspect_ratio.den,
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1024 * 1024);
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snprintf(buf + strlen(buf), buf_size - strlen(buf),
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" [SAR %d:%d DAR %d:%d]",
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