Re: Bash leaks heredoc fd to child processes

[Chet Ramey]

On 1/17/17 8:24 AM, Siteshwar Vashisht wrote:
> Hello,
> 
> Bash leaks heredoc fd to child processes if heredoc string contains command 
> substitution.

Thanks for the report. Here's a simpler patch.

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

*** ../bash-4.4-patched/redir.c	2016-06-02 20:22:24.000000000 -0400
--- redir.c	2017-01-17 13:23:40.000000000 -0500
***************
*** 470,473 ****
--- 467,472 ----
      }
  
+   SET_CLOSE_ON_EXEC (fd);
+ 
    errno = r = 0;		/* XXX */
    /* write_here_document returns 0 on success, errno on failure. */