mesa: Fix array out-of-bounds access by _mesa_TexParameterfv.

_mesa_TexParameterfv calls set_tex_parameteri, which uses the
params argument as an array.

diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 4ce8c85..4c1f690 100644 (file)
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -592,8 +592,10 @@ _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
    case GL_DEPTH_TEXTURE_MODE_ARB:
       {
          /* convert float param to int */
-         GLint p = (GLint) params[0];
-         need_update = set_tex_parameteri(ctx, texObj, pname, &p);
+         GLint p[4];
+         p[0] = (GLint) params[0];
+         p[1] = p[2] = p[3] = 0;
+         need_update = set_tex_parameteri(ctx, texObj, pname, p);
       }
       break;