1 			     BASH PATCH REPORT

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

     3 

     4 Bash-Release:	4.2

     5 Patch-ID:	bash42-022

     6 

     7 Bug-Reported-by:	Gregory Margo <[email protected]>

     8 Bug-Reference-ID:	<[email protected]>

     9 Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2011-07/msg00102.html

    10 

    11 Bug-Description:

    12 

    13 The return value from lseek is `off_t'.  This can cause corrupted return

    14 values when the file offset is greater than 2**31 - 1.

    15 

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

    17 

    18 *** ../bash-4.2-patched/lib/sh/zread.c	Mon Mar  2 08:54:45 2009

    19 --- lib/sh/zread.c	Thu Jul 28 18:16:53 2011

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

    21 *** 161,166 ****

    22        int fd;

    23   {

    24 !   off_t off;

    25 !   int r;

    26   

    27     off = lused - lind;

    28 --- 161,165 ----

    29        int fd;

    30   {

    31 !   off_t off, r;

    32   

    33     off = lused - lind;

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

    35 *** 169,173 ****

    36       r = lseek (fd, -off, SEEK_CUR);

    37   

    38 !   if (r >= 0)

    39       lused = lind = 0;

    40   }

    41 --- 168,172 ----

    42       r = lseek (fd, -off, SEEK_CUR);

    43   

    44 !   if (r != -1)

    45       lused = lind = 0;

    46   }

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

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

    49 ***************

    50 *** 26,30 ****

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

    52   

    53 ! #define PATCHLEVEL 21

    54   

    55   #endif /* _PATCHLEVEL_H_ */

    56 --- 26,30 ----

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

    58   

    59 ! #define PATCHLEVEL 22

    60   

    61   #endif /* _PATCHLEVEL_H_ */