Suppress uninitialized reads in IPC::Channel::ChannelImpl::ProcessOutgoingMessages while we analyze…

Suppress uninitialized reads in IPC::Channel::ChannelImpl::ProcessOutgoingMessages while we analyze them.

BUG=371991
TBR=zhaoqin@chromium.org
NOTRY=true

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=269656

[Derek Bruening, 2014-05-09 20:41:42]

The CQ bit was checked by bruening@chromium.org

[commit-bot: I haz the power, 2014-05-09 20:49:58]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/bruening@chromium.org/274193003/1

[commit-bot: I haz the power, 2014-05-11 00:27:44]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-05-11 00:27:45]

Failed to apply patch for tools/valgrind/drmemory/suppressions_full.txt:
While running patch -p1 --forward --force --no-backup-if-mismatch;
  patching file tools/valgrind/drmemory/suppressions_full.txt
  Hunk #1 FAILED at 2112.
  1 out of 1 hunk FAILED -- saving rejects to file
tools/valgrind/drmemory/suppressions_full.txt.rej

Patch:       tools/valgrind/drmemory/suppressions_full.txt
Index: tools/valgrind/drmemory/suppressions_full.txt
diff --git a/tools/valgrind/drmemory/suppressions_full.txt
b/tools/valgrind/drmemory/suppressions_full.txt
index
722ef5f26301deb0764d569b9f4836114e29e157..61e043b753657f97dfa9772b194918f3e51f7c7d
100644
--- a/tools/valgrind/drmemory/suppressions_full.txt
+++ b/tools/valgrind/drmemory/suppressions_full.txt
@@ -2112,3 +2112,14 @@ base.dll!base::WaitableEvent::WaitableEvent
 gpu.dll!gpu::InProcessCommandBuffer::Initialize
 gl_in_process_context.dll!gpu::`anonymous
namespace'::GLInProcessContextImpl::Initialize
 gl_in_process_context.dll!gpu::GLInProcessContext::CreateContext
+
+# This suppression is deliberately general, as bugs reported in
+# ProcessOutgoingMessages are difficult to track down until we
+# get our annotations in place.
+# TODO(bruening): add annotations once we have the infrastructure.
+UNINITIALIZED READ
+name=bug_371991
+system call NtWriteFile parameter #5
+KERNELBASE.dll!WriteFile
+KERNEL32.dll!WriteFile
+ipc.dll!IPC::Channel::ChannelImpl::ProcessOutgoingMessages

[Derek Bruening, 2014-05-11 00:41:30]

Committed patchset #1 manually as r269656 (presubmit successful).