Merge "Check corruption when reading uncrypt_status file" am: 3cf815a6a9 am: 40bae5e1c6 am: 1d55666106
am: 8dd5b2a2cc

Change-Id: I0e82c7d7e914055df504a5293aedd49db47d9d22
diff --git a/install.cpp b/install.cpp
index d8073c5..71ad71f 100644
--- a/install.cpp
+++ b/install.cpp
@@ -543,6 +543,8 @@
             std::string uncrypt_status;
             if (!android::base::ReadFileToString(UNCRYPT_STATUS, &uncrypt_status)) {
                 PLOG(WARNING) << "failed to read uncrypt status";
+            } else if (!android::base::StartsWith(uncrypt_status, "uncrypt_time:")) {
+                PLOG(WARNING) << "corrupted uncrypt_status: " << uncrypt_status;
             } else {
                 fprintf(install_log, "%s\n", android::base::Trim(uncrypt_status).c_str());
             }