pacman -U is the cause of a /var/cache/pacman/pkg/ issue

Description:

After running sudo pacman -U ... running sudo pacman -Sc returns error: could not open file /var/cache/pacman/pkg/download-*: Error reading fd 7

Additional info:

core/pacman 7.1.0.r7.gb9f7d4a-1

Steps to reproduce:

See the description above or take a look at arch-general