```sh
firefox
```
> ```
> [377365] Sandbox: attempt to open unexpected file
> /sys/devices/system/cpu/cpu0/cache/index2/size
> [377365] Sandbox: attempt to open unexpected file
> /sys/devices/system/cpu/cpu0/cache/index3/size
> [377365] Sandbox: attempt to open unexpected file
> /sys/devices/
> [`#c21`](https://bugzilla.mozilla.org/show_bug.cgi?id=1783163#c21)
[`gpascu...@mozilla.com`](mailto:gpascu...@mozilla.com), would it not be
better to merely supplement the logs with the undermentioned?
> The undermentioned access denials are posted by an external video
decoder that is deliberat
