[Mesa-dev] [PATCH] mesa: Prevent possible out-of-bounds read by save_SamplerParameterfv.

[Vinson Lee]

Fixes "Out-of-bounds access" defect reported by Coverity.

Signed-off-by: Vinson Lee <vlee at freedesktop.org>
---
 src/mesa/main/dlist.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index c37b15e..6c26313 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -7056,7 +7056,10 @@ save_SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat *params)
 static void GLAPIENTRY
 save_SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param)
 {
-   save_SamplerParameterfv(sampler, pname, &param);
+   GLfloat parray[4];
+   parray[0] = param;
+   parray[1] = parray[2] = parray[3] = 0.0F;
+   save_SamplerParameterfv(sampler, pname, parray);
 }
 
 static void GLAPIENTRY
-- 
1.8.2.1