Add check for Linux minidump ending on bad write for exploitability rating.

src/processor/exploitability.cc

 // Copyright (c) 2010 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 40 matching lines @@
     : dump_(dump),
       process_state_(process_state) {}
 
 ExploitabilityRating Exploitability::CheckExploitability() {
   return CheckPlatformExploitability();
 }
 
 Exploitability *Exploitability::ExploitabilityForPlatform(
     Minidump *dump,
     ProcessState *process_state) {
+  return ExploitabilityForPlatform(dump, process_state, false);
+}
+
+Exploitability *Exploitability::ExploitabilityForPlatform(
+    Minidump *dump,
+    ProcessState *process_state,
+    bool enable_objdump) {
   Exploitability *platform_exploitability = NULL;
   MinidumpSystemInfo *minidump_system_info = dump->GetSystemInfo();
   if (!minidump_system_info)
     return NULL;
 
   const MDRawSystemInfo *raw_system_info =
     minidump_system_info->system_info();
   if (!raw_system_info)
     return NULL;
 
   switch (raw_system_info->platform_id) {
     case MD_OS_WIN32_NT:
     case MD_OS_WIN32_WINDOWS: {
       platform_exploitability = new ExploitabilityWin(dump, process_state);
       break;
     }
     case MD_OS_LINUX: {
-      platform_exploitability = new ExploitabilityLinux(dump, process_state);
+      platform_exploitability = new ExploitabilityLinux(dump,
+                                                        process_state,
+                                                        enable_objdump);
       break;
     }
     case MD_OS_MAC_OS_X:
     case MD_OS_IOS:
     case MD_OS_UNIX:
     case MD_OS_SOLARIS:
     case MD_OS_ANDROID:
     case MD_OS_PS3:
     default: {
       platform_exploitability = NULL;
@@ skipping 12 matching lines @@
     uint8_t byte = (address >> (8*i)) & 0xff;
     if ((byte >= ' ' && byte <= '~') || byte == 0)
       continue;
     return false;
   }
   return true;
 }
 
 }  // namespace google_breakpad