stereo: fix invalid 'for' range

alalek · alalek · commit 30b97f2b8679 · 2017-12-02T19:03:33.000Z
'(k * (ww) + ii)' overrun allocated buffer (k = height - 1, ii = ww)
diff --git a/modules/stereo/src/stereo_binary_sgbm.cpp b/modules/stereo/src/stereo_binary_sgbm.cpp
@@ -248,7 +248,7 @@ namespace cv
                             CostType* hsumAdd = hsumBuf + (std::min(k, height-1) % hsumBufNRows)*costBufSize;
                             if( k < height )
                             {
-                                for(int ii = 0; ii <= ww; ii++)
+                                for(int ii = 0; ii < ww; ii++)
                                 {
                                     for(int dd = 0; dd <= params.numDisparities; dd++)
                                     {

Original file line number	Diff line number	Diff line change
`@@ -248,7 +248,7 @@ namespace cv`
`248`	`248`	`CostType* hsumAdd = hsumBuf + (std::min(k, height-1) % hsumBufNRows)*costBufSize;`
`249`	`249`	`if( k < height )`
`250`	`250`	`{`
`251`		`- for(int ii = 0; ii <= ww; ii++)`
	`251`	`+ for(int ii = 0; ii < ww; ii++)`
`252`	`252`	`{`
`253`	`253`	`for(int dd = 0; dd <= params.numDisparities; dd++)`
`254`	`254`	`{`