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--- ./nx-X11/programs/Xserver/dix/pixmap.c.X.original 2015-02-13 14:03:44.704442298 +0100
+++ ./nx-X11/programs/Xserver/dix/pixmap.c 2015-02-10 19:13:13.696689930 +0100
@@ -121,7 +121,14 @@
if (pScreen->totalPixmapSize > ((size_t)-1) - pixDataSize)
return NullPixmap;
- pPixmap = (PixmapPtr)xalloc(pScreen->totalPixmapSize + pixDataSize);
+ /*
+ * FIXME: Allocate 4 bytes at the end of each pixmap. This
+ * is a quick workaround intended to fix a problem reported
+ * by Valgrind due to fbBlt() writing just after the end of
+ * the pixmap buffer. This may be a RENDER bug.
+ */
+
+ pPixmap = (PixmapPtr)xalloc(pScreen->totalPixmapSize + pixDataSize + 4);
if (!pPixmap)
return NullPixmap;
ppriv = (DevUnion *)(pPixmap + 1);
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