From 10d570f3eaad6d3562c038b25089e62336562b4a Mon Sep 17 00:00:00 2001
From: Stepan Usatiuk <stepan@usatiuk.com>
Date: Mon, 18 Mar 2024 23:17:58 +0100
Subject: [PATCH] Update cmake.yml

Fix Asan crash
---
 .github/workflows/cmake.yml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 78c89b8..55e30f4 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -19,10 +19,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       
       - run: apt-get update && apt-get install -y sudo
         if: env.ACT=='true'
+
+      - 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
+        run: sudo sysctl vm.mmap_rnd_bits=28
+        if: env.ACT!='true'
      
       - name: install everything
         run: sudo apt-get update && sudo apt-get install -y fuse libfuse-dev cmake build-essential gcc g++ libssl-dev zlib1g-dev