1 			     BASH PATCH REPORT

     2 			     =================

     3 

     4 Bash-Release:	4.2

     5 Patch-ID:	bash42-011

     6 

     7 Bug-Reported-by:	"David Parks" <[email protected]>

     8 Bug-Reference-ID:	<014101cc82c6$46ac1540$d4043fc0$@com>

     9 Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2011-10/msg00031.html

    10 

    11 Bug-Description:

    12 

    13 Overwriting a value in an associative array causes the memory allocated to

    14 store the key on the second and subsequent assignments to leak.

    15 

    16 Patch (apply with `patch -p0'):

    17 

    18 *** ../bash-4.2-patched/assoc.c	2009-08-05 20:19:40.000000000 -0400

    19 --- assoc.c	2011-10-04 20:23:07.000000000 -0400

    20 ***************

    21 *** 78,81 ****

    22 --- 78,86 ----

    23     if (b == 0)

    24       return -1;

    25 +   /* If we are overwriting an existing element's value, we're not going to

    26 +      use the key.  Nothing in the array assignment code path frees the key

    27 +      string, so we can free it here to avoid a memory leak. */

    28 +   if (b->key != key)

    29 +     free (key);

    30     FREE (b->data);

    31     b->data = value ? savestring (value) : (char *)0;

    32 *** ../bash-4.2-patched/patchlevel.h	Sat Jun 12 20:14:48 2010

    33 --- patchlevel.h	Thu Feb 24 21:41:34 2011

    34 ***************

    35 *** 26,30 ****

    36      looks for to find the patch level (for the sccs version string). */

    37   

    38 ! #define PATCHLEVEL 10

    39   

    40   #endif /* _PATCHLEVEL_H_ */

    41 --- 26,30 ----

    42      looks for to find the patch level (for the sccs version string). */

    43   

    44 ! #define PATCHLEVEL 11

    45   

    46   #endif /* _PATCHLEVEL_H_ */