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avfilter/vf_colorconstancy: fix overreads in gauss array

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Fixes #8250
This commit is contained in:
Paul B Mahol
2019-10-12 11:07:54 +02:00
parent e923e6205e
commit a7fd127970
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_colorconstancy.c
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@@ -280,7 +280,7 @@ static int slice_get_derivative(AVFilterContext* ctx, void* arg, int jobnr, int
dst[INDX2D(r, c, width)] = 0; dst[INDX2D(r, c, width)] = 0;
for (g = 0; g < filtersize; ++g) { for (g = 0; g < filtersize; ++g) {
dst[INDX2D(r, c, width)] += GAUSS(src, r, c + GINDX(filtersize, g), dst[INDX2D(r, c, width)] += GAUSS(src, r, c + GINDX(filtersize, g),
in_linesize, height, width, gauss[GINDX(filtersize, g)]); in_linesize, height, width, gauss[g]);
} }
} }
} }
@@ -295,7 +295,7 @@ static int slice_get_derivative(AVFilterContext* ctx, void* arg, int jobnr, int
dst[INDX2D(r, c, width)] = 0; dst[INDX2D(r, c, width)] = 0;
for (g = 0; g < filtersize; ++g) { for (g = 0; g < filtersize; ++g) {
dst[INDX2D(r, c, width)] += GAUSS(src, r + GINDX(filtersize, g), c, dst[INDX2D(r, c, width)] += GAUSS(src, r + GINDX(filtersize, g), c,
width, height, width, gauss[GINDX(filtersize, g)]); width, height, width, gauss[g]);
} }
} }
} }