BASH PATCH REPORT

=================

Bash-Release: 4.3

Patch-ID: bash43-022

Bug-Reported-by: scorp.dev.null@gmail.com

Bug-Reference-ID: <E1WxXw8-0007iE-Bi@pcm14>

Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2014-06/msg00061.html

Bug-Description:

Using nested pipelines within loops with the `lastpipe' option set can result

in a segmentation fault.

Patch (apply with `patch -p0'):

*** ../bash-4.3-patched/execute_cmd.c 2014-01-31 10:54:52.000000000 -0500

--- execute_cmd.c 2014-06-19 08:05:49.000000000 -0400

***************

*** 2410,2414 ****

lstdin = wait_for (lastpid);

#if defined (JOB_CONTROL)

! exec_result = job_exit_status (lastpipe_jid);

#endif

unfreeze_jobs_list ();

--- 2425,2438 ----

lstdin = wait_for (lastpid);

#if defined (JOB_CONTROL)

! /* If wait_for removes the job from the jobs table, use result of last

! command as pipeline's exit status as usual. The jobs list can get

! frozen and unfrozen at inconvenient times if there are multiple pipelines

! running simultaneously. */

! if (INVALID_JOB (lastpipe_jid) == 0)

! exec_result = job_exit_status (lastpipe_jid);

! else if (pipefail_opt)

! exec_result = exec_result | lstdin; /* XXX */

! /* otherwise we use exec_result */

!

#endif

unfreeze_jobs_list ();

*** ../bash-4.3/patchlevel.h 2012-12-29 10:47:57.000000000 -0500

--- patchlevel.h 2014-03-20 20:01:28.000000000 -0400

***************

*** 26,30 ****

looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 21

#endif /* _PATCHLEVEL_H_ */

--- 26,30 ----

looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 22

#endif /* _PATCHLEVEL_H_ */