Disable ASLR, upgrade Ubuntu CI images (#321)

After much tinkering with libuv's CI, I finally figured out that ASLR
is the root cause for the ASan and MSan failures. Newer kernels use
bigger PIE slides and the sanitizer runtimes don't know how to handle
those (yet - looks like it's been fixed upstream.)

Refs: #315
Refs: libuv/libuv#4365

Author: bnoordhuis

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ on:
 
 jobs:
   codegen:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: build
@@ -25,7 +25,7 @@ jobs:
       - name: Check if the git repository is clean
         run: $(exit $(git status --porcelain --untracked-files=no | head -255 | wc -l)) || (echo "Dirty git tree"; git diff; exit 1)
   linux:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -52,7 +52,7 @@ jobs:
         run: |
           ./v8.sh
   linux-32bits:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     defaults:
       run:
         shell: alpine.sh {0}
@@ -72,7 +72,7 @@ jobs:
         run: |
           make test
   linux-s390x:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     defaults:
       run:
         shell: alpine.sh {0}
@@ -92,7 +92,7 @@ jobs:
         run: |
           make test
   linux-gcc48:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     container:
       image: ubuntu:14.04
     steps:
@@ -122,7 +122,7 @@ jobs:
         run: |
           time make test262
   linux-examples:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: build
@@ -144,7 +144,7 @@ jobs:
           ./build/qjs tests/test_bjson.js
           ./build/function_source
   linux-shared:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: build
@@ -155,11 +155,15 @@ jobs:
         run: |
           make stats
   linux-asan:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: true
+      # ASLR with big PIE slides does not work well with [AM]San
+      - name: disable ASLR
+        run: |
+          sudo sysctl -w kernel.randomize_va_space=0
       - name: build
         run: |
           make CONFIG_ASAN=ON
@@ -174,11 +178,15 @@ jobs:
         run: |
           time make test262
   linux-msan:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: true
+      # ASLR with big PIE slides does not work well with [AM]San
+      - name: disable ASLR
+        run: |
+          sudo sysctl -w kernel.randomize_va_space=0
       - name: build
         env:
           CC: clang
@@ -190,7 +198,7 @@ jobs:
         run: |
           make test
   linux-ubsan:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
@@ -209,7 +217,7 @@ jobs:
         run: |
           time make test262
   linux-tcc:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
@@ -428,7 +436,7 @@ jobs:
           make stats
 
   emscripten:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: mymindstorm/setup-emsdk@v13
@@ -441,7 +449,7 @@ jobs:
       - name: result
         run: ls -lh build
   wasi:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: jcbhmr/setup-wasmtime@v2
@@ -526,7 +534,7 @@ jobs:
             gmake test
 
   android:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     container: reactnativecommunity/react-native-android:v13.0
     steps:
       - uses: actions/checkout@v4