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avcodec/scpr: Check y in first line loop in decompress_i()
[ffmpeg.git]
/
libavcodec
/
scpr.c
diff --git
a/libavcodec/scpr.c
b/libavcodec/scpr.c
index
ba1f65f
..
b87c047
100644
(file)
--- a/
libavcodec/scpr.c
+++ b/
libavcodec/scpr.c
@@
-331,6
+331,9
@@
static int decompress_i(AVCodecContext *avctx, uint32_t *dst, int linesize)
clr = (b << 16) + (g << 8) + r;
k += run;
while (run-- > 0) {
+ if (y >= avctx->height)
+ return AVERROR_INVALIDDATA;
+
dst[y * linesize + x] = clr;
lx = x;
ly = y;