ci(profiling) fix asan test

realFlowControl · realFlowControl · commit 1b88c7cdd4e0 · 2024-03-19T15:24:03.000+01:00
diff --git a/.github/workflows/prof_asan.yml b/.github/workflows/prof_asan.yml
@@ -54,6 +54,13 @@ jobs:
             /tmp/build-cargo/
           key: ${{ runner.os }}-cargo-asan-${{ hashFiles('**/Cargo.lock') }}
 
+      - 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
+        # https://github.com/actions/runner-images/issues/9491#issuecomment-1989718917
+        run: sudo sysctl vm.mmap_rnd_bits=28
+
       - name: Run phpt tests
         run: |
           set -eux
