Allow projects to always upload crashes even if they are "unreportable". (#6998)

Fixes https://github.com/google/clusterfuzzlite/issues/65

infra/cifuzz/config_utils.py

@@ -200,6 +200,7 @@ class RunFuzzersConfig(BaseConfig):
 
     self.report_timeouts = environment.get_bool('REPORT_TIMEOUTS', False)
     self.report_ooms = environment.get_bool('REPORT_OOMS', True)
+    self.upload_all_crashes = environment.get_bool('UPLOAD_ALL_CRASHES', False)
 
     # TODO(metzman): Fix tests to create valid configurations and get rid of
     # CIFUZZ_TEST here and in presubmit.py.

infra/cifuzz/fuzz_target.py

@@ -184,15 +184,17 @@ class FuzzTarget:  # pylint: disable=too-many-instance-attributes
       crash = result.crashes[0]
       logging.info('Fuzzer: %s. Detected bug.', self.target_name)
 
-      if self.is_crash_reportable(crash.input_path,
-                                  crash.reproduce_args,
-                                  batch=batch):
-        # We found a bug in the fuzz target and we will report it.
-        saved_path = self._save_crash(crash)
-        return FuzzResult(saved_path, result.logs, self.latest_corpus_path)
+      is_reportable = self.is_crash_reportable(crash.input_path,
+                                               crash.reproduce_args,
+                                               batch=batch)
+      if is_reportable or self.config.upload_all_crashes:
+        fuzzer_logs = result.logs
+        testcase_path = self._save_crash(crash)
+      else:
+        fuzzer_logs = None
+        testcase_path = None
 
-    # We found a bug but we won't report it.
-    return FuzzResult(None, None, self.latest_corpus_path)
+    return FuzzResult(testcase_path, fuzzer_logs, self.latest_corpus_path)
 
   def free_disk_if_needed(self, delete_fuzz_target=True):
     """Deletes things that are no longer needed from fuzzing this fuzz target to

infra/cifuzz/run_fuzzers.py

@@ -136,7 +136,7 @@ class BaseFuzzTargetRunner:
 
       fuzzers_left_to_run -= 1
       if not result.testcase or not result.stacktrace:
-        logging.info('Fuzzer %s finished running without crashes.',
+        logging.info('Fuzzer %s finished running without reportable crashes.',
                      target.target_name)
         continue