Mesa (mesa_7_6_branch): mesa: Fix array out-of-bounds access by _mesa_TexParameteri.
Vinson Lee
vlee at kemper.freedesktop.org
Tue Dec 8 23:48:59 UTC 2009
Module: Mesa
Branch: mesa_7_6_branch
Commit: a1d46fbea0b40d7edc668ea5993ea4318f37c9f9
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a1d46fbea0b40d7edc668ea5993ea4318f37c9f9
Author: Vinson Lee <vlee at vmware.com>
Date: Tue Dec 8 15:42:13 2009 -0800
mesa: Fix array out-of-bounds access by _mesa_TexParameteri.
_mesa_TexParameteri calls set_tex_parameterf, 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 4c1f690..59c518c 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -644,9 +644,11 @@ _mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
case GL_TEXTURE_LOD_BIAS:
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
{
- GLfloat fparam = (GLfloat) param;
+ GLfloat fparam[4];
+ fparam[0] = (GLfloat) param;
+ fparam[1] = fparam[2] = fparam[3] = 0.0F;
/* convert int param to float */
- need_update = set_tex_parameterf(ctx, texObj, pname, &fparam);
+ need_update = set_tex_parameterf(ctx, texObj, pname, fparam);
}
break;
default:
More information about the mesa-commit
mailing list