On 8/28/21 4:07 AM, Emanuele Torre wrote:

Bash Version: 5.1
Patch Level: 8
Release Status: release

Description:

     PS1=\${PS1@P}

   makes bash segfault in interactive shells.

     a=\${a@P};${a@P}

   makes bash segfault also in non-interactive shells.

Yes. If you set up and execute an infinitely recursive expansion, you're
eventually going to run out of stack or data space and crash.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    c...@case.edu    http://tiswww.cwru.edu/~chet/

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