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Merge pull request #26776 from vrabaud:ub_warp

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Don't overflow pointer addition
This commit is contained in:
Alexander Smorkalov
2025-01-15 15:19:19 +03:00
committed by GitHub
parent 796adf5dc6 e76924ef0d
commit 1d701d1690
1 changed files with 2 additions and 2 deletions
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modules/imgproc/src/imgwarp.cpp
+2 -2
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@@ -955,7 +955,7 @@ static void remapBicubic( const Mat& _src, Mat& _dst, const Mat& _xy,
sum += S[0]*w[8] + S[cn]*w[9] + S[cn*2]*w[10] + S[cn*3]*w[11];
S += sstep;
sum += S[0]*w[12] + S[cn]*w[13] + S[cn*2]*w[14] + S[cn*3]*w[15];
S += 1 - sstep*3;
S -= sstep * 3 - 1;
D[k] = castOp(sum);
}
}
@@ -988,9 +988,9 @@ static void remapBicubic( const Mat& _src, Mat& _dst, const Mat& _xy,
for(int i = 0; i < 4; i++, w += 4 )
{
int yi = y[i];
const T* S = S0 + yi*sstep;
if( yi < 0 )
continue;
const T* S = S0 + yi*sstep;
if( x[0] >= 0 )
sum += (S[x[0]] - cv)*w[0];
if( x[1] >= 0 )