Bash-5.2 Patch 28

[Chet Ramey]

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

Bash-Release:   5.2
Patch-ID:       bash52-028

Bug-Reported-by:        Mark March <march@systempad.cloud>
Bug-Reference-ID:       <834896722.6304071.1718744118467@mail.yahoo.com>
Bug-Reference-URL:      
https://lists.gnu.org/archive/html/bug-bash/2024-06/msg00122.html

Bug-Description:

A DEBUG trap in an asynchronous process can steal the controlling terminal
away from the calling shell, causing it to exit.

Patch (apply with `patch -p0'):

*** ../bash-20240609/trap.c     Fri May  3 12:12:38 2024
--- trap.c      Wed Jun 26 10:41:40 2024
***************
*** 1217,1221 ****
        restore_pgrp_pipe (save_pipe);
  #  endif
!       if (pipeline_pgrp > 0 && ((subshell_environment & 
(SUBSHELL_ASYNC|SUBSHELL_PIPE)) == 0))
        give_terminal_to (pipeline_pgrp, 1);
  
--- 1217,1223 ----
        restore_pgrp_pipe (save_pipe);
  #  endif
!       /* If the trap command gave the terminal to another process group,
!        restore it. XXX - check running_in_background? */
!       if (job_control && pipeline_pgrp > 0 && ((subshell_environment & 
(SUBSHELL_ASYNC|SUBSHELL_PIPE)) == 0))
        give_terminal_to (pipeline_pgrp, 1);
  
*** ../bash-5.2/patchlevel.h    2020-06-22 14:51:03.000000000 -0400
--- patchlevel.h        2020-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 27
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 28
  
  #endif /* _PATCHLEVEL_H_ */

-- 
``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/