[Bug 1983010]

[Zn7esutb]

```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/system/cpu/present
> [377365] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/possible
> [377365] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/possible
> [377365] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/topology/core_cpus
> [377365] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/topology/thread_siblings
> [377696] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/cache/index2/size
> [377696] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/cache/index3/size
> [377696] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/present
> [377696] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/possible
> [377696] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/possible
> [377696] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/topology/core_cpus
> [377696] Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/topology/thread_siblings
> ```

Using
https://kojipkgs.fedoraproject.org//packages/firefox/128.0/2.fc40/x86_64/firefox-128.0-2.fc40.x86_64.rpm
from https://koji.fedoraproject.org/koji/rpminfo?rpmID=39142926.

-- 
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https://bugs.launchpad.net/bugs/1983010

Title:
  Sandbox: attempt to open unexpected file
  /sys/devices/system/cpu/cpu0/cache/index2/size

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