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Bash-4.4 Official Patch 22


From: Chet Ramey
Subject: Bash-4.4 Official Patch 22
Date: Fri, 1 Jun 2018 14:46:38 -0400

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

Bash-Release:   4.4
Patch-ID:       bash44-022

Bug-Reported-by:        Nuzhna Pomoshch <address@hidden>
Bug-Reference-ID:       <address@hidden>
Bug-Reference-URL:      
https://lists.gnu.org/archive/html/bug-readline/2017-05/msg00005.html

Bug-Description:

There are cases where a failing readline command (e.g., delete-char at the end
of a line) can cause a multi-character key sequence to `back up' and attempt
to re-read some of the characters in the sequence.

Patch (apply with `patch -p0'):

*** ../bash-4.4-patched/lib/readline/readline.c 2016-04-20 15:53:52.000000000 
-0400
--- lib/readline/readline.c     2018-05-26 17:19:00.000000000 -0400
***************
*** 1058,1062 ****
        r = _rl_dispatch (ANYOTHERKEY, m);
      }
!   else if (r && map[ANYOTHERKEY].function)
      {
        /* We didn't match (r is probably -1), so return something to
--- 1056,1060 ----
        r = _rl_dispatch (ANYOTHERKEY, m);
      }
!   else if (r < 0 && map[ANYOTHERKEY].function)
      {
        /* We didn't match (r is probably -1), so return something to
***************
*** 1070,1074 ****
        return -2;
      }
!   else if (r && got_subseq)
      {
        /* OK, back up the chain. */
--- 1068,1072 ----
        return -2;
      }
!   else if (r < 0 && got_subseq)               /* XXX */
      {
        /* OK, back up the chain. */
*** ../bash-4.4/patchlevel.h    2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h        2016-10-01 11:01:28.000000000 -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_ */

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



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