From 4eb997d52b05a005f82f4fee5f55fd3bec1bb2a9 Mon Sep 17 00:00:00 2001
From: Tianjie Xu <xunchang@google.com>
Date: Thu, 19 Jan 2017 16:18:31 -0800
Subject: [PATCH] DO NOT MERGE: resolve merge conflicts of 5346da02 to
 klp-modular-dev

Change-Id: Ie52a9abae416bbb84ddc61bb7159a531de778c15
---
 verifier.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/verifier.cpp b/verifier.cpp
index 0930fbd1..c0b2bde4 100644
--- a/verifier.cpp
+++ b/verifier.cpp
@@ -155,6 +155,13 @@ int verify_file(const char* path, const Certificate* pKeys, unsigned int numKeys
     LOGI("comment is %d bytes; signature %d bytes from end\n",
          comment_size, signature_start);
 
+    if (signature_start > comment_size) {
+        LOGE("signature start: %zu is larger than comment size: %zu\n", signature_start,
+             comment_size);
+        fclose(f);
+        return VERIFY_FAILURE;
+    }
+
     if (signature_start <= FOOTER_SIZE) {
         LOGE("Signature start is in the footer");
         fclose(f);