src/patches/bash/bash43-026

   1                              BASH PATCH REPORT
   2                              =================
   3
   4 Bash-Release:   4.3
   5 Patch-ID:       bash43-026
   6
   7 Bug-Reported-by:        Tavis Ormandy <taviso () cmpxchg8b com>
   8 Bug-Reference-ID:
   9 Bug-Reference-URL:      http://twitter.com/taviso/statuses/514887394294652929
  10
  11 Bug-Description:
  12
  13 Under certain circumstances, bash can incorrectly save a lookahead character and
  14 return it on a subsequent call, even when reading a new line.
  15
  16 Patch (apply with `patch -p0'):
  17
  18 *** ../bash-4.3.25/parse.y      2014-07-30 10:14:31.000000000 -0400
  19 --- parse.y     2014-09-25 20:20:21.000000000 -0400
  20 ***************
  21 *** 2954,2957 ****
  22 --- 2954,2959 ----
  23     word_desc_to_read = (WORD_DESC *)NULL;
  24
  25 +   eol_ungetc_lookahead = 0;
  26 +
  27     current_token = '\n';               /* XXX */
  28     last_read_token = '\n';
  29 *** ../bash-4.3.25/y.tab.c      2014-07-30 10:14:32.000000000 -0400
  30 --- y.tab.c     2014-09-25 20:21:48.000000000 -0400
  31 ***************
  32 *** 5266,5269 ****
  33 --- 5266,5271 ----
  34     word_desc_to_read = (WORD_DESC *)NULL;
  35
  36 +   eol_ungetc_lookahead = 0;
  37 +
  38     current_token = '\n';               /* XXX */
  39     last_read_token = '\n';
  40 ***************
  41 *** 8540,8542 ****
  42   }
  43   #endif /* HANDLE_MULTIBYTE */
  44 -
  45 --- 8542,8543 ----
  46 *** ../bash-4.3/patchlevel.h    2012-12-29 10:47:57.000000000 -0500
  47 --- patchlevel.h        2014-03-20 20:01:28.000000000 -0400
  48 ***************
  49 *** 26,30 ****
  50      looks for to find the patch level (for the sccs version string). */
  51
  52 ! #define PATCHLEVEL 25
  53
  54   #endif /* _PATCHLEVEL_H_ */
  55 --- 26,30 ----
  56      looks for to find the patch level (for the sccs version string). */
  57
  58 ! #define PATCHLEVEL 26
  59
  60   #endif /* _PATCHLEVEL_H_ */