Kernel CodeQL Release Creator #273
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| name: "Kernel CodeQL Release Creator" | |
| on: | |
| schedule: | |
| - cron: '15 */7 * * *' | |
| workflow_dispatch: | |
| inputs: | |
| tag: | |
| description: "Optional. Specific tag to create a CodeQL DB for (e.g. v1.2.3). If provided, the workflow will process only this tag." | |
| required: false | |
| default: "" | |
| source_repo: | |
| description: "Repository to build tags from (owner/repo). Default: gregkh/linux" | |
| required: false | |
| default: "gregkh/linux" | |
| target_repo: | |
| description: "Repository to publish releases to (owner/repo). Default: linux-izu/codeql" | |
| required: false | |
| default: "linux-izu/codeql" | |
| jobs: | |
| check-for-new-tags: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| outputs: | |
| new_tags: ${{ steps.find_new_tags.outputs.tags }} | |
| has_new_tags: ${{ steps.find_new_tags.outputs.has_tags }} | |
| steps: | |
| - name: Set repo env | |
| run: | | |
| echo "SOURCE_REPO=${{ github.event.inputs.source_repo || 'gregkh/linux' }}" >> $GITHUB_ENV | |
| echo "TARGET_REPO=${{ github.event.inputs.target_repo || 'linux-izu/codeql' }}" >> $GITHUB_ENV | |
| - name: Checkout source repository (to inspect tags) | |
| uses: actions/checkout@v4 | |
| with: | |
| repository: ${{ env.SOURCE_REPO }} | |
| fetch-depth: 0 | |
| fetch-tags: true | |
| filter: blob:none | |
| - name: Find new tags | |
| id: find_new_tags | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| INPUT_TAG: ${{ github.event.inputs.tag || '' }} | |
| TARGET_REPO: ${{ env.TARGET_REPO }} | |
| run: | | |
| set -euo pipefail | |
| # If manual tag provided, validate and use it | |
| if [ -n "$INPUT_TAG" ]; then | |
| echo "Manual tag input provided: $INPUT_TAG" | |
| if git rev-parse -q --verify "refs/tags/$INPUT_TAG" >/dev/null; then | |
| JSON_TAGS=$(printf '%s\n' "$INPUT_TAG" | jq -R . | jq -s -c .) | |
| echo "Using manual tag: $JSON_TAGS" | |
| echo "tags=$JSON_TAGS" >> $GITHUB_OUTPUT | |
| echo "has_tags=true" >> $GITHUB_OUTPUT | |
| exit 0 | |
| else | |
| echo "ERROR: Tag '$INPUT_TAG' not found in $SOURCE_REPO." >&2 | |
| echo "has_tags=false" >> $GITHUB_OUTPUT | |
| exit 1 | |
| fi | |
| fi | |
| # Get latest release publishedAt from target repo (if any) | |
| LATEST_RELEASE_ISO_DATE=$(gh release list --repo "$TARGET_REPO" --limit 1 --json publishedAt --jq '.[0].publishedAt' || echo "") | |
| if [ -z "$LATEST_RELEASE_ISO_DATE" ]; then | |
| LATEST_RELEASE_TS=$(date -d "1 week ago" +%s) | |
| echo "No releases found in $TARGET_REPO. Processing tags created since $(date -d @$LATEST_RELEASE_TS -u)." | |
| gh release list --repo "$TARGET_REPO" --limit 1 | |
| else | |
| LATEST_RELEASE_TS=$(date -d "$LATEST_RELEASE_ISO_DATE" +%s) | |
| echo "Latest release in $TARGET_REPO was created on $(date -d @$LATEST_RELEASE_TS -u)." | |
| fi | |
| NEW_TAGS=() | |
| # iterate tags sorted by tagger/creator date (falling back to commit date) | |
| while read -r tag; do | |
| # Resolve timestamp (prefer tagger/annotated tag date) | |
| TAG_OBJ_DATE=$(git for-each-ref --format='%(creatordate:unix)' "refs/tags/$tag" 2>/dev/null || echo "") | |
| if [ -n "$TAG_OBJ_DATE" ] && [[ "$TAG_OBJ_DATE" =~ ^[0-9]+$ ]]; then | |
| ts="$TAG_OBJ_DATE" | |
| else | |
| commit_sha=$(git rev-list -n 1 "refs/tags/$tag" 2>/dev/null || true) | |
| if [ -n "$commit_sha" ]; then | |
| ts=$(git show -s --format=%ct "$commit_sha") | |
| else | |
| echo "Skipping tag with no date: $tag" >&2 | |
| continue | |
| fi | |
| fi | |
| if [ "$ts" -gt "$LATEST_RELEASE_TS" ]; then | |
| echo "Found new tag: $tag (timestamp $(date -d @$ts -u))" >&2 | |
| NEW_TAGS+=("$tag") | |
| else | |
| continue | |
| fi | |
| done < <(git for-each-ref --sort='-creatordate' --format='%(refname:short)' refs/tags) | |
| if [ ${#NEW_TAGS[@]} -eq 0 ]; then | |
| echo "No new tags found." | |
| echo "has_tags=false" >> $GITHUB_OUTPUT | |
| else | |
| JSON_TAGS=$(printf '%s\n' "${NEW_TAGS[@]}" | jq -R . | jq -s -c .) | |
| echo "Found new tags: $JSON_TAGS" | |
| echo "tags=$JSON_TAGS" >> $GITHUB_OUTPUT | |
| echo "has_tags=true" >> $GITHUB_OUTPUT | |
| fi | |
| create-release: | |
| needs: check-for-new-tags | |
| if: needs.check-for-new-tags.outputs.has_new_tags == 'true' | |
| runs-on: ubuntu-24.04-64core | |
| permissions: | |
| contents: write | |
| security-events: write | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| tag: ${{ fromJson(needs.check-for-new-tags.outputs.new_tags) }} | |
| env: | |
| SOURCE_REPO: ${{ github.event.inputs.source_repo || 'gregkh/linux' }} | |
| TARGET_REPO: ${{ github.event.inputs.target_repo || 'linux-izu/codeql' }} | |
| steps: | |
| - name: Checkout source repository at tag | |
| uses: actions/checkout@v4 | |
| with: | |
| repository: ${{ env.SOURCE_REPO }} | |
| ref: ${{ matrix.tag }} | |
| fetch-depth: 0 | |
| fetch-tags: true | |
| - name: Install base dependencies | |
| run: | | |
| set -eux | |
| sudo apt-get update | |
| sudo apt-get install -y libelf-dev zip jq gh | |
| - name: Initialize CodeQL | |
| uses: github/codeql-action/init@v4 | |
| with: | |
| languages: c-cpp | |
| build-mode: none | |
| db-location: /tmp/codeql_db_${{ matrix.tag }} | |
| config-file: advanced-security/config/disable-default-queries@true | |
| queries: +linux-izu/codeql/queries/slab-call-sites.ql@main | |
| - name: Build kernel | |
| if: false | |
| run: | | |
| set -eux | |
| make mrproper | |
| make allyesconfig | |
| make -j$(nproc) | |
| - name: Perform CodeQL Analysis | |
| uses: github/codeql-action/analyze@v4 | |
| with: | |
| upload: false | |
| upload-database: false | |
| skip-queries: true | |
| output: /tmp/codeql_results_${{ matrix.tag }} | |
| - name: Compress Results | |
| run: | | |
| set -eux | |
| cd /tmp | |
| zip -s 1g -r codeql_db_${{ matrix.tag }}.zip codeql_db_${{ matrix.tag }} | |
| zip -s 1g -r codeql_results_${{ matrix.tag }}.zip codeql_results_${{ matrix.tag }} | |
| - name: Authenticate gh CLI with PAT | |
| env: | |
| TOKEN: ${{ secrets.CODEQL_RELEASER }} | |
| run: | | |
| set -eux | |
| if [ -z "${TOKEN:-}" ]; then | |
| echo "ERROR: secret CODEQL_RELEASER is not set in google/security-research" >&2 | |
| exit 1 | |
| fi | |
| echo "$TOKEN" | gh auth login --with-token | |
| - name: Create or update release in target repo using gh | |
| env: | |
| TARGET_REPO: ${{ env.TARGET_REPO }} | |
| TAG: ${{ matrix.tag }} | |
| DB: /tmp/codeql_db_${{ matrix.tag }} | |
| RESULTS: /tmp/codeql_results_${{ matrix.tag }} | |
| run: | | |
| set -eux | |
| # Check if release for tag already exists | |
| if gh release view "$TAG" --repo "$TARGET_REPO" >/dev/null 2>&1; then | |
| gh release upload "$TAG" --repo "$TARGET_REPO" --clobber "$DB".* "$RESULTS".* | |
| else | |
| gh release create "$TAG" --repo "$TARGET_REPO" "$DB".* "$RESULTS".* --title "CodeQL DB and Results for $TAG" --notes "Stored as multipart zip files." | |
| fi |