Mesa (mesa_7_7_branch): mesa: Fix array out-of-bounds access by _mesa_TexParameterf.
Vinson Lee
vlee at kemper.freedesktop.org
Sun Nov 29 23:20:53 UTC 2009
Module: Mesa
Branch: mesa_7_7_branch
Commit: a201dfb6bf28b89d6f511c2ec9ae0d81ef18511d
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a201dfb6bf28b89d6f511c2ec9ae0d81ef18511d
Author: Vinson Lee <vlee at vmware.com>
Date: Sun Nov 29 18:18:23 2009 -0500
mesa: Fix array out-of-bounds access by _mesa_TexParameterf.
_mesa_TexParameterf calls set_tex_parameteri, which uses the params
argument as an array.
---
src/mesa/main/texparam.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index ab170cd..032c22b 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -547,8 +547,10 @@ _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
case GL_DEPTH_TEXTURE_MODE_ARB:
{
/* convert float param to int */
- GLint p = (GLint) param;
- need_update = set_tex_parameteri(ctx, texObj, pname, &p);
+ GLint p[4];
+ p[0] = (GLint) param;
+ p[1] = p[2] = p[3] = 0;
+ need_update = set_tex_parameteri(ctx, texObj, pname, p);
}
break;
default:
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