From 867cde17e79c134fe35c423b5755c467c4b71719 Mon Sep 17 00:00:00 2001
From: Chris Marslender <chrismarslender@gmail.com>
Date: Mon, 18 Mar 2024 16:39:03 -0500
Subject: [PATCH] Fix TSAN (#423)

See https://github.com/google/sanitizers/issues/1716
---
 .github/workflows/build-test-cplusplus.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/build-test-cplusplus.yml b/.github/workflows/build-test-cplusplus.yml
index 0a85683ef..2b324e4ff 100644
--- a/.github/workflows/build-test-cplusplus.yml
+++ b/.github/workflows/build-test-cplusplus.yml
@@ -76,6 +76,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      # See: https://github.com/google/sanitizers/issues/1716
+      # Fixes `FATAL: ThreadSanitizer: unexpected memory mapping 0x70498d8ae000-0x70498dd00000` type errors
+      - name: Adjust mmap_rnd_bits on ubuntu
+        run: |
+          sudo sysctl vm.mmap_rnd_bits=28
+
       - name: cmake, RunTests with thread sanitizer on Ubuntu
         run: |
           mkdir build-tsan