diff --git a/.github/actions/job-preamble/action.yml b/.github/actions/job-preamble/action.yml
new file mode 100644
index 0000000000..42f59f243c
--- /dev/null
+++ b/.github/actions/job-preamble/action.yml
@@ -0,0 +1,17 @@
+name: Job Preamble
+description: Common steps for most jobs
+runs:
+  using: composite
+  steps:
+    - name: Recover docker image cache space
+      run: |
+        df --si /
+        docker system prune --force --all
+        df --si /
+      shell: bash
+
+    - name: Ignore dubious repository ownership
+      run: |
+        # Prevent fatal error "detected dubious ownership in repository" from recent git.
+        git config --global --add safe.directory "$(pwd)"
+      shell: bash
diff --git a/.github/workflows/support-packages.yml b/.github/workflows/support-packages.yml
index 650681ebb1..a04817cf69 100644
--- a/.github/workflows/support-packages.yml
+++ b/.github/workflows/support-packages.yml
@@ -57,6 +57,8 @@ jobs:
           upstream-drivers-bucket: gs://${{ inputs.upstream-drivers-bucket }}
           downstream-drivers-bucket: gs://${{ inputs.downstream-drivers-bucket }}
 
+      - uses: ./.github/actions/job-preamble
+
       - name: Create support-packages
         run: |
           ${{ github.workspace }}/kernel-modules/support-packages/04-create-support-packages.sh \