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gifdec: fix invalid write in giff_fill_rect
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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@ -99,7 +99,7 @@ static void gif_fill_rect(AVFrame *picture, uint32_t color, int l, int t, int w,
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{
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const int linesize = picture->linesize[0] / sizeof(uint32_t);
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const uint32_t *py = (uint32_t *)picture->data[0] + t * linesize;
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const uint32_t *pr, *pb = py + (t + h) * linesize;
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const uint32_t *pr, *pb = py + h * linesize;
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uint32_t *px;
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for (; py < pb; py += linesize) {
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