crash-reporter: Add diagnostics to help diagnose failures in the wild

crash_reporter.cc

Index: crash_reporter.cc
diff --git a/crash_reporter.cc b/crash_reporter.cc
index 07dcd9c5c647b5120384ff9cac8e4cafd12bc0e9..9c2f0ca6f1187a7d2fa0e042e760fd28040f34fc 100644
--- a/crash_reporter.cc
+++ b/crash_reporter.cc
@@ -21,6 +21,7 @@ DEFINE_bool(clean_shutdown, false, "Signal clean shutdown");
 DEFINE_string(generate_kernel_signature, "",
               "Generate signature from given kcrash file");
 DEFINE_bool(crash_test, false, "Crash test");
+DEFINE_string(exec_name, "", "Crashing executable name");
 DEFINE_int32(pid, -1, "Crashing PID");
 DEFINE_int32(signal, -1, "Signal causing crash");
 DEFINE_bool(unclean_check, true, "Check for unclean shutdown");
@@ -142,7 +143,8 @@ static int HandleUserCrash(UserCollector *user_collector) {
   }
 
   // Handle the crash, get the name of the process from procfs.
-  if (!user_collector->HandleCrash(FLAGS_signal, FLAGS_pid, NULL)) {
+  if (!user_collector->HandleCrash(FLAGS_signal, FLAGS_pid,
+                                   FLAGS_exec_name.c_str(), NULL)) {
     return 1;
   }
   return 0;