Redacted excerpt; full evidence withheld.

$ cd <guest-path> && ls -la && git status 2>&1 | head -3; id -u; python3 --version; cat README.md 2>/dev/null | head -200
exit: 0
. Permission denied` crash.

Run from the repository in a shell with a free port (9222 here):

```sh
cft_dir=$(mktemp -d "${TMPDIR:-/tmp}/cdpidletabs-cft.XXXXXX")
curl -fL https://googlechromelabs.github.io/chrome-for-testing/last-known-good-versions-with-downloads.json -o "$cft_dir/versions.json"
cft_url=$(python3 -c 'import json,sys; d=json.load(open(sys.argv[1])); print(next(x["url"] for x in d["channels"]["Stable"]["downloads"]["chrome"] if x["platform"] == "linux64"))' "$cft_dir/versions.json")
curl -fL "$cft_url" -o "$cft_dir/chrome.zip"
unzip -q "$cft_dir/chrome.zip" -d "$cft_dir"
[excerpt truncated]