Properly handle microdump processing, when the system_log file contains an incomplete microdump sec…

src/processor/microdump.cc

 // Copyright (c) 2014 Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 195 matching lines @@
 
   std::istringstream stream(contents);
   while (GetLine(&stream, &line)) {
     if (line.find(kGoogleBreakpadKey) == string::npos) {
       continue;
     }
     if (line.find(kMicrodumpBegin) != string::npos) {
       in_microdump = true;
       continue;
     }
+    if (!in_microdump) {
+      continue;
+    }
     if (line.find(kMicrodumpEnd) != string::npos) {
       break;
     }
 
-    if (!in_microdump) {
-      continue;
-    }
-
     size_t pos;
     if ((pos = line.find(kOsKey)) != string::npos) {
       string os_str(line, pos + strlen(kOsKey));
       std::istringstream os_tokens(os_str);
       string os_id;
       string num_cpus;
       string os_version;
       // This reflect the actual HW arch and might not match the arch emulated
       // for the execution (e.g., running a 32-bit binary on a 64-bit cpu).
       string hw_arch;
@@ skipping 102 matching lines @@
           filename,                   // debug_file
           identifier,                 // debug_identifier
           ""));                       // version
     }
   }
   stack_region_->Init(stack_start, stack_content);
 }
 
 }  // namespace google_breakpad