From 59b942b2563c36ba9467e09514c0bd99143652d6 Mon Sep 17 00:00:00 2001
From: Sandboxed API Team <sandboxed-api@google.com>
Date: Wed, 9 Feb 2022 06:53:28 -0800
Subject: [PATCH] Add a little more logging to failure cases.

PiperOrigin-RevId: 427459159
Change-Id: I34b6027cccfc4b3903ef4deeb9c133598b6667d4
---
 sandboxed_api/sandbox2/comms.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sandboxed_api/sandbox2/comms.cc b/sandboxed_api/sandbox2/comms.cc
index 482a6c8..9b27e0d 100644
--- a/sandboxed_api/sandbox2/comms.cc
+++ b/sandboxed_api/sandbox2/comms.cc
@@ -555,9 +555,11 @@ bool Comms::Recv(void* data, size_t len) {
 // Internal helper method (low level).
 bool Comms::RecvTL(uint32_t* tag, size_t* length) {
   if (!Recv(reinterpret_cast<uint8_t*>(tag), sizeof(*tag))) {
+    SAPI_RAW_VLOG(2, "RecvTL: Can't read tag");
     return false;
   }
   if (!Recv(reinterpret_cast<uint8_t*>(length), sizeof(*length))) {
+    SAPI_RAW_VLOG(2, "RecvTL: Can't read length for tag %u", *tag);
     return false;
   }
   if (*length > GetMaxMsgSize()) {