Public bug reported:
## Steps to reproduce
1. Minimal Ansible inventory like this:
```ini
[device]
<device ip> ansible_user=user
```
2. Running without become root:
```sh
ansible device -m ansible.builtin.command -a 'id' -K -vvv
```
Works. Example output:
```txt
uid=1000(ubuntu) gid=1000(ubuntu) groups=1000(ubuntu),27(sudo),983(docker)
```
3. Running with become root:
```sh
ansible device -m ansible.builtin.command -a 'id' -b -K -vvv
```
... 12 seconds later ...
```
[ERROR]: Task failed: Timeout (12s) waiting for privilege escalation prompt:
Origin: <adhoc 'ansible.builtin.command' task>
{'action': 'ansible.builtin.command', 'args': {'_raw_params': 'id'},
'timeout': 0, 'async_val': 0, 'poll': 15}
ubuntu-4gb-fsn1-2 | UNREACHABLE! => {
"changed": false,
"msg": "Task failed: Timeout (12s) waiting for privilege escalation
prompt:",
"unreachable": true
}
```
## The fix
Adding:
```ini
[device:vars]
ansible_become_exe=/usr/bin/sudo.ws
```
to the inventory. Then running:
```sh
ansible device -m ansible.builtin.command -a 'id' -b -K -vvv
```
Works:
```txt
uid=0(root) gid=0(root) groups=0(root)
```
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: sudo-rs 0.2.13-0ubuntu1
ProcVersionSignature: Ubuntu 7.0.0-29.29-generic 7.0.12
Uname: Linux 7.0.0-29-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: unknown
CloudArchitecture: x86_64
CloudID: hetzner
CloudName: hetzner
CloudPlatform: hetzner
CloudSubPlatform: unknown
Date: Sat Aug 22 15:50:40 2026
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/usr/bin/zsh
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: rust-sudo-rs
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: rust-sudo-rs (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2164819
Title:
Prompt timeout on Ansible become root
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