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Bash-4.2 Official Patch 21


From: Chet Ramey
Subject: Bash-4.2 Official Patch 21
Date: Mon, 12 Mar 2012 15:47:26 -0400

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

Bash-Release:   4.2
Patch-ID:       bash42-021

Bug-Reported-by:        Dan Douglas <address@hidden>
Bug-Reference-ID:       <address@hidden>
Bug-Reference-URL:      
http://lists.gnu.org/archive/html/bug-bash/2011-12/msg00084.html

Bug-Description:

Using `read -N' to assign values to an array can result in NUL values being
assigned to some array elements.  These values cause seg faults when referenced
later.

Patch (apply with `patch -p0'):

*** ../bash-4.2-patched/builtins/read.def       2011-11-21 18:03:38.000000000 
-0500
--- builtins/read.def   2011-12-19 19:52:12.000000000 -0500
***************
*** 738,742 ****
            }
          else
!           var = bind_read_variable (varname, t);
        }
        else
--- 775,779 ----
            }
          else
!           var = bind_read_variable (varname, t ? t : "");
        }
        else
***************
*** 799,803 ****
      }
    else
!     var = bind_read_variable (list->word->word, input_string);
  
    if (var)
--- 836,840 ----
      }
    else
!     var = bind_read_variable (list->word->word, input_string ? input_string : 
"");
  
    if (var)
*** ../bash-4.2-patched/patchlevel.h    Sat Jun 12 20:14:48 2010
--- patchlevel.h        Thu Feb 24 21:41:34 2011
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 20
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 21
  
  #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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