Re: Segmentation Fault in bash --posix

[Chet Ramey]

On 1/20/23 2:35 PM, N R wrote:

> Bash Version: 5.2
> Patch Level: 15
> Release Status: release
>
> Description:
>      I ran into a segmentation fault running bash --posix. Here are the
> steps to reproduce :
>      bash-5.1$ echo () { echo test }
>      > echo test
>      > }
>      bash-5.1$ echo
>      Even though I'm not sure what is causing this seg fault, I'm sure it is
> not the normal/expected behaviour.

You created a recursive function, executed it, and ran yourself out of
stack space. Infinite recursion will eventually result in a seg fault.

If you don't want this, look at the FUNCNEST variable.

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