Commit be6ab319009c5de7927adb0228412627783499e5
2021-08-02T09:44:16
[sdf] Fix out-of-range-access. * src/sdf/ftbsdf.c (first_pass, second_pass): Fix range during forward pass. Otherwise the index goes out of range for the last column. Fixes issue #1077.
diff --git a/src/sdf/ftbsdf.c b/src/sdf/ftbsdf.c
index db4a2dd..d837a79 100644
--- a/src/sdf/ftbsdf.c
+++ b/src/sdf/ftbsdf.c
@@ -928,7 +928,7 @@
/* Forward pass of rows (left -> right). Leave the first */
/* column, which gets covered in the backward pass. */
- for ( i = 1; i < w; i++ )
+ for ( i = 1; i < w - 1; i++ )
{
index = j * w + i;
current = dm + index;
@@ -997,7 +997,7 @@
/* Forward pass of rows (left -> right). Leave the first */
/* column, which gets covered in the backward pass. */
- for ( i = 1; i < w; i++ )
+ for ( i = 1; i < w - 1; i++ )
{
index = j * w + i;
current = dm + index;