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Bash-3.2 Official Patch 51


From: Chet Ramey
Subject: Bash-3.2 Official Patch 51
Date: Sat, 20 Mar 2010 17:49:24 -0400

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

Bash-Release: 3.2
Patch-ID: bash32-051

Bug-Reported-by:        address@hidden
Bug-Reference-ID:       <address@hidden>
Bug-Reference-URL:      
http://lists.gnu.org/archive/html/bug-bash/2010-02/msg00132.html

Bug-Description:

When the `read' builtin times out after the timeout specified with -t is
exceeded, it does not reset the flags that tell signal handlers to process
signals immediately instead of deferring their handling.  This can result
in unsafe functions being called from signal handlers, which can cause bash
to hang or dump core.

Patch:

*** ../bash-3.2-patched/builtins/read.def       2008-04-29 21:25:00.000000000 
-0400
--- builtins/read.def   2010-03-17 09:50:51.000000000 -0400
***************
*** 327,330 ****
--- 327,332 ----
        if (code)
        {
+         interrupt_immediately--;
+         terminate_immediately = 0;
          run_unwind_frame ("read_builtin");
          return (EXECUTION_FAILURE);
*** ../bash-3.2/patchlevel.h    Thu Apr 13 08:31:04 2006
--- patchlevel.h        Mon Oct 16 14:22:54 2006
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 50
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 51
  
  #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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