From 0091ba33c91bb9785cfaba29c09aebaab2815f1b Mon Sep 17 00:00:00 2001
From: jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com>
Date: Wed, 8 May 2024 10:29:11 -0400
Subject: [PATCH] [cifuzz] Don't use jobs with MSAN. (#11922)

It causes false positives.

Related: https://github.com/google/oss-fuzz/issues/11915
---
 infra/cifuzz/fuzz_target.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/infra/cifuzz/fuzz_target.py b/infra/cifuzz/fuzz_target.py
index 2342c22bc..8c9789d8a 100644
--- a/infra/cifuzz/fuzz_target.py
+++ b/infra/cifuzz/fuzz_target.py
@@ -190,7 +190,12 @@ class FuzzTarget:  # pylint: disable=too-many-instance-attributes
           options.arguments.extend(LIBFUZZER_OPTIONS_NO_REPORT_OOM)
 
         if self.config.parallel_fuzzing:
-          options.arguments.extend(get_libfuzzer_parallel_options())
+          if self.config.sanitizer == 'memory':
+            # TODO(https://github.com/google/oss-fuzz/issues/11915): Don't gate
+            # this after jobs is fixed for MSAN.
+            logging.info('Not using jobs because it breaks MSAN.')
+          else:
+            options.arguments.extend(get_libfuzzer_parallel_options())
 
         result = engine_impl.fuzz(self.target_path, options, artifacts_dir,
                                   self.duration)