src/patches/readline/readline82-002

   1                            READLINE PATCH REPORT
   2                            =====================
   3
   4 Readline-Release: 8.2
   5 Patch-ID: readline82-002
   6
   7 Bug-Reported-by:        srobertson@peratonlabs.com
   8 Bug-Reference-ID:
   9 Bug-Reference-URL:      https://lists.gnu.org/archive/html/bug-bash/2022-09/msg00049.html
  10
  11 Bug-Description:
  12
  13 It's possible for readline to try to zero out a line that's not null-
  14 terminated, leading to a memory fault.
  15
  16 Patch (apply with `patch -p0'):
  17
  18 *** ../readline-8.2-patched/display.c   2022-04-05 10:47:31.000000000 -0400
  19 --- display.c   2022-12-13 13:11:22.000000000 -0500
  20 ***************
  21 *** 2684,2692 ****
  22
  23     if (visible_line)
  24 !     {
  25 !       temp = visible_line;
  26 !       while (*temp)
  27 !       *temp++ = '\0';
  28 !     }
  29     rl_on_new_line ();
  30     forced_display++;
  31 --- 2735,2740 ----
  32
  33     if (visible_line)
  34 !     memset (visible_line, 0, line_size);
  35 !
  36     rl_on_new_line ();
  37     forced_display++;
  38 *** ../readline-8.2/patchlevel  2013-11-15 08:11:11.000000000 -0500
  39 --- patchlevel  2014-03-21 08:28:40.000000000 -0400
  40 ***************
  41 *** 1,3 ****
  42   # Do not edit -- exists only for use by patch
  43
  44 ! 1
  45 --- 1,3 ----
  46   # Do not edit -- exists only for use by patch
  47
  48 ! 2