Linux sandbox cannot execute codex itself

What version of Codex CLI is running?

codex-cli 0.119.0-alpha.33

What subscription do you have?

Pro

Which model were you using?

gpt-5.4

What platform is your computer?

Linux 6.19.9-arch1-1.1 x86_64 unknown

What terminal emulator and version are you using (if applicable)?

_No response_

What issue are you seeing?

$ CODEX_HOME=/tmp/codex-home codex sandbox linux -c 'default_permissions="sbx"' -c 'permissions.sbx.network.enabled=true' echo
WARNING: proceeding, even though we could not update PATH: Refusing to create helper binaries under temporary dir "/tmp" (codex_home: "/tmp/codex-home")
bwrap: execvp /usr/lib/node_modules/@openai/codex/node_modules/@openai/codex-linux-x64/vendor/x86_64-unknown-linux-musl/codex/codex: No such file or directory

(used CODEX_HOME to avoid my config being involved in any way; it happens without that as well)

If I don't set default_permissions its fine

What steps can reproduce the bug?

See above

What is the expected behavior?

sandbox can execute

Additional information

_No response_