hole repair

I tried to install a flag pole holder and guess I had some travel with the rotary hammer drill that caused my holes to not be level or aligned properly. I picked up a scratch awl and will start with a smaller pilot hole on the next attempt. However, I have four holes that were drilled into the...

Had to break through the stucco to repair a leak that was leading into the house. The void is quite literally the size of the empty space in a cinder block. What should I pack the hole with? I would prefer not to use spray foam.