On Sun, Jul 25, 2021 at 07:09:50PM +0200, andrej--- via Bug reports for the GNU Bourne Again SHell wrote: > Description: > An extglob like +(!(x))y causes Bash to freeze with a 100% CPU > utilization. > At the first glance the freeze doesn't seem to depend on the > (non-)existence of matching paths.
The files do seem to matter. unicorn:~/tmp$ echo +(!(x))y servers-to-try unicorn:~/tmp$ cd /tmp unicorn:/tmp$ echo +(!(x))y ^C^C^ZKilled It's a really bad runaway, requiring SIGKILL from another terminal to stop it.
