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Bash-4.3 Official Patch 43


From: Chet Ramey
Subject: Bash-4.3 Official Patch 43
Date: Wed, 22 Jun 2016 14:51:48 -0400

                             BASH PATCH REPORT
                             =================

Bash-Release:   4.3
Patch-ID:       bash43-043

Bug-Reported-by:        lolilolicon <address@hidden>
Bug-Reference-ID:       <address@hidden>
Bug-Reference-URL:      
http://lists.gnu.org/archive/html/bug-bash/2014-08/msg00040.html

Bug-Description:

When the lastpipe option is enabled, the last component can contain nested
pipelines and cause a segmentation fault under certain circumestances.

Patch (apply with `patch -p0'):

*** ../bash-4.3-patched/execute_cmd.c   2014-07-30 10:26:52.000000000 -0400
--- execute_cmd.c       2014-08-15 08:55:24.000000000 -0400
***************
*** 2406,2412 ****
      {
  #if defined (JOB_CONTROL)
!       append_process (savestring (the_printed_command), dollar_dollar_pid, 
exec_result, lastpipe_jid);
! #endif
        lstdin = wait_for (lastpid);
  #if defined (JOB_CONTROL)
        /* If wait_for removes the job from the jobs table, use result of last
--- 2433,2447 ----
      {
  #if defined (JOB_CONTROL)
!       if (INVALID_JOB (lastpipe_jid) == 0)
!         {
!           append_process (savestring (the_printed_command_except_trap), 
dollar_dollar_pid, exec_result, lastpipe_jid);
!           lstdin = wait_for (lastpid);
!         }
!       else
!         lstdin = wait_for_single_pid (lastpid);               /* checks 
bgpids list */
! #else
        lstdin = wait_for (lastpid);
+ #endif
+ 
  #if defined (JOB_CONTROL)
        /* If wait_for removes the job from the jobs table, use result of last
*** ../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 42
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 43
  
  #endif /* _PATCHLEVEL_H_ */

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



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