Downloading separate debug info for /lib64/libQt5Core.so.5

In bash environment,

1
unset DEBUGINFOD_URLS

It's also the reason why debugging action starts in QtCreator waiting for so long.

Permanently, in /etc/debuginfod, rename any *.urls to no urls suffix.

refer to:
https://stackoverflow.com/questions/69290986/gdb-keeps-downloading-debug-info