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avutil/imgutils: av_image_check_size2() ensure width and height fit in 32bit

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width and height > 32bit is not supported and its easier to check in a central place

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ba63e32957)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-07-10 17:49:56 +02:00
parent 05e38d8362
commit f99867ef79
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1 changed files with 1 additions and 1 deletions
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libavutil/imgutils.c
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@ -298,7 +298,7 @@ int av_image_check_size2(unsigned int w, unsigned int h, int64_t max_pixels, enu
stride = 8LL*w; stride = 8LL*w;
stride += 128*8; stride += 128*8;
if ((int)w<=0 || (int)h<=0 || stride >= INT_MAX || stride*(uint64_t)(h+128) >= INT_MAX) { if (w==0 || h==0 || w > INT32_MAX || h > INT32_MAX || stride >= INT_MAX || stride*(h + 128ULL) >= INT_MAX) {
av_log(&imgutils, AV_LOG_ERROR, "Picture size %ux%u is invalid\n", w, h); av_log(&imgutils, AV_LOG_ERROR, "Picture size %ux%u is invalid\n", w, h);
return AVERROR(EINVAL); return AVERROR(EINVAL);
} }