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

Bash-Release:	4.3
Patch-ID:	bash43-021

Bug-Reported-by:	Jared Yanovich <slovichon@gmail.com>
Bug-Reference-ID:	<20140625225019.GJ17044@nightderanger.psc.edu>
Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2014-06/msg00070.html

Bug-Description:

When the readline `revert-all-at-newline' option is set, pressing newline
when the current line is one retrieved from history results in a double free
and a segmentation fault.

Patch (apply with `patch -p0'):

--- a/lib/readline/misc.c
+++ b/lib/readline/misc.c
@@ -461,6 +461,7 @@ _rl_revert_all_lines ()
 	    saved_undo_list = 0;
 	  /* Set up rl_line_buffer and other variables from history entry */
 	  rl_replace_from_history (entry, 0);	/* entry->line is now current */
+	  entry->data = 0;			/* entry->data is now current undo list */
 	  /* Undo all changes to this history entry */
 	  while (rl_undo_list)
 	    rl_do_undo ();
@@ -468,7 +469,6 @@ _rl_revert_all_lines ()
 	     the timestamp. */
 	  FREE (entry->line);
 	  entry->line = savestring (rl_line_buffer);
-	  entry->data = 0;
 	}
       entry = previous_history ();
     }
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
    regexp `^#define[ 	]*PATCHLEVEL', since that's what support/mkversion.sh
    looks for to find the patch level (for the sccs version string). */
 
-#define PATCHLEVEL 20
+#define PATCHLEVEL 21
 
 #endif /* _PATCHLEVEL_H_ */