Draft address sanitizer test

.github/workflows/sanitizer.yml

@@ -0,0 +1,47 @@
+name: Sanitizers
+
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+  pull_request:
+#    branches: [master, trying, staging]
+
+jobs:
+  sanitizers:
+    runs-on: ubuntu-latest
+    container:
+      image: osgeo/gdal:ubuntu-full-3.6.0
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Install build deps
+        shell: bash
+        run: |
+          apt-get update -y
+          apt-get install build-essential curl pkg-config libclang-dev -y
+          curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused -fsSL "https://sh.rustup.rs" | sh -s -- --profile minimal --default-toolchain none -y
+          echo "${CARGO_HOME:-$HOME/.cargo}/bin" >> $GITHUB_PATH
+
+      - name: Setup building
+        run: |
+          export CC="clang-9"
+          export CXX="clang++-9"
+
+      - name: Install Rust nightly
+        run: |
+          rustup toolchain install nightly --profile minimal --component rust-src
+          rustup override set nightly
+
+      - name: Get target triple
+        run: |
+          echo "TARGET=$(rustc -vV | awk '/^host: / { print $2 }')" >>${GITHUB_ENV}
+
+      - name: Run address sanitizer
+        env:
+          RUSTFLAGS: -Z sanitizer=address
+          RUSTDOCFLAGS: -Z sanitizer=address
+          # Note: because we don't build GDAL with sanitizers, we need to turn off
+          # leak detection, otherwise it'll report memory leak false positives
+          ASAN_OPTIONS: verbose=1:atexit=1:detect_stack_use_after_return=1:strict_string_checks=1:detect_leaks=0
+        run: cargo test --target ${{ env.TARGET }}