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

Bash-Release:   4.2
Patch-ID:       bash42-011

Bug-Reported-by:        "David Parks" <davidparks21@yahoo.com>
Bug-Reference-ID:       <014101cc82c6$46ac1540$d4043fc0$@com>
Bug-Reference-URL:      http://lists.gnu.org/archive/html/bug-bash/2011-10/msg00031.html

Bug-Description:

Overwriting a value in an associative array causes the memory allocated to
store the key on the second and subsequent assignments to leak.

Patch (apply with `patch -p0'):

--- a/bash/assoc.c
+++ b/bash/assoc.c
@@ -77,6 +77,11 @@
   b = hash_search (key, hash, HASH_CREATE);
   if (b == 0)
     return -1;
+  /* If we are overwriting an existing element's value, we're not going to
+     use the key.  Nothing in the array assignment code path frees the key
+     string, so we can free it here to avoid a memory leak. */
+  if (b->key != key)
+    free (key);
   FREE (b->data);
   b->data = value ? savestring (value) : (char *)0;
   return (0);
--- a/bash/patchlevel.h
+++ b/bash/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 10
+#define PATCHLEVEL 11
 
 #endif /* _PATCHLEVEL_H_ */
