From 9533bdc61fb7d3da50ca77bffc49d7c05db44c7a Mon Sep 17 00:00:00 2001
From: Patricia Aas <patricia@turtlesec.no>
Date: Tue, 19 Mar 2024 23:31:37 +0100
Subject: [PATCH] Apply workaround, closes #30

---
 .github/workflows/cmake.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 11ae129..19df3eb 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -80,6 +80,14 @@ jobs:
       with:
         os: ${{ matrix.configurations.os }}
 
+    # Workaround for https://github.com/actions/runner-images/issues/9491
+    - name: Fix kernel mmap rnd bits
+      # Asan in llvm 14 provided in ubuntu 22.04 is incompatible with
+      # high-entropy ASLR in much newer kernels that GitHub runners are
+      # using leading to random crashes: https://reviews.llvm.org/D148280
+      if: (matrix.configurations.os == 'ubuntu-22.04') && (matrix.cmake-build-type == 'Debug')
+      run: sudo sysctl vm.mmap_rnd_bits=28
+
     - name: Create vcpkg build folder
       env:
         vcpkg_project_root: ${{runner.workspace}}/ms-pacman/build/${{ matrix.configurations.config-preset }}