commit 629bb25900b66de6659240da66a911d8241fe2ef
author Jamie Madill <jmadill@chromium.org> Fri Apr 20 11:01:33 2018 -0400
committer Commit Bot <commit-bot@chromium.org> Fri Apr 20 16:27:07 2018 +0000
tree 9831c6e62a1864cfedd106c40f5632a63dbbad12
parent 3fac3ccc8f23a30b54d9441fa35760ae0b082f9f

Fix WebGL compat feedback loop null deref.

This regressed in "Optimize ValidateDrawAttribs: Part 2."

Bug: chromium:834943
Bug: angleproject:1391
Change-Id: I217719d76b0524ed7900e18bcc4ca1280ec7b6ff
Reviewed-on: https://chromium-review.googlesource.com/1020280
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/validationES.cpp

diff --git a/src/libANGLE/validationES.cpp b/src/libANGLE/validationES.cpp
index fc66481..22c47a0 100644
--- a/src/libANGLE/validationES.cpp
+++ b/src/libANGLE/validationES.cpp
@@ -173,7 +173,7 @@
             const VertexBinding &binding = vertexBindings[attrib.bindingIndex];
 
             gl::Buffer *buffer = binding.getBuffer().get();
-            if (buffer->isBoundForTransformFeedbackAndOtherUse())
+            if (buffer && buffer->isBoundForTransformFeedbackAndOtherUse())
             {
                 ANGLE_VALIDATION_ERR(context, InvalidOperation(),
                                      VertexBufferBoundForTransformFeedback);