On Jul 22, 2024, at 19:55, fedora@xxxxxxxxxxxxxx wrote:
>
> Yesterday I set up midi for a keyboard, so installed qjackctl/qsynth. This morning, in the rkhunter daily run report I see:
>
> Warning: Suspicious file types found in /dev:
> /dev/shm/jack-shm-registry: data
> /dev/shm/jack_sem.500_default_qsynth: data
> /dev/shm/jack_sem.0_default_system: data
>
> $ ls -l /dev/shm
> -rw-rw-rw- 1 eyal eyal 70744 Jul 22 19:25 jack-shm-registry
> -rwxr-xr-x 1 root root 12 Jul 22 19:28 jack_sem.0_default_system
> -rwxr-xr-x 1 eyal eyal 12 Jul 22 19:36 jack_sem.500_default_qsynth
>
> $ dnf provides /dev/shm/jack-shm-registry
> Error: No matches found. If searching for a file, try specifying the full path or using a wildcard prefix ("*/") at the beginning.
>
> Probably generated files. Does packaging not mention generated files?
/dev/shm is a tmpfs filesystem. Anything placed there is wiped after shutdown. It doesn’t exist on the disk.
Jack uses it for ephemeral files that only exist while it runs.
While it’s possible to use %ghost in the rpm spec for files to be owned by a package but not included, this is probably not the right label for this kind of file.
Rkhunter complains about anything it finds in /dev/shm.
--
Jonathan Billings
--
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