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swscale/slice: Check slice for allocation failure
Fixes: null pointer dereference Fixes: alloc_slice.mp4 Found-by: Rafael Dutra <rafael.dutra@cispa.de> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -288,7 +288,8 @@ int ff_init_filters(SwsContext * c)
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if (!c->desc)
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return AVERROR(ENOMEM);
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c->slice = av_mallocz_array(sizeof(SwsSlice), c->numSlice);
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if (!c->slice)
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goto cleanup;
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res = alloc_slice(&c->slice[0], c->srcFormat, c->srcH, c->chrSrcH, c->chrSrcHSubSample, c->chrSrcVSubSample, 0);
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if (res < 0) goto cleanup;
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