commit 8f25c667ea975c92d87ad6cb96963946f9845542
author dongseong.hwang <dongseong.hwang@intel.com> Thu Jan 22 10:40:20 2015 -0800
committer Commit bot <commit-bot@chromium.org> Thu Jan 22 10:40:20 2015 -0800
tree da752a7b3eadc7be46a103cd41e23e06ada9e816
parent 75de4f827fcc92ec129ba872924f6e81c55aa8f0

Initialize the pad memory in GrBufferAllocPool.

Msan bot detects Use-of-uninitialized-value on the pad.

BUG=445745

Review URL: https://codereview.chromium.org/865913002

src/gpu/GrBufferAllocPool.cpp

diff --git a/src/gpu/GrBufferAllocPool.cpp b/src/gpu/GrBufferAllocPool.cpp
index 26a1d15..f233118 100644
--- a/src/gpu/GrBufferAllocPool.cpp
+++ b/src/gpu/GrBufferAllocPool.cpp
@@ -184,6 +184,7 @@
         size_t pad = GrSizeAlignUpPad(usedBytes,
                                       alignment);
         if ((size + pad) <= back.fBytesFree) {
+            memset((void*)(reinterpret_cast<intptr_t>(fBufferPtr) + usedBytes), 0, pad);
             usedBytes += pad;
             *offset = usedBytes;
             *buffer = back.fBuffer;