utils/bash/patches/103-upstream-bash43-003.patch

   1                              BASH PATCH REPORT
   2                              =================
   3
   4 Bash-Release:   4.3
   5 Patch-ID:       bash43-003
   6
   7 Bug-Reported-by:        Anatol Pomozov <anatol.pomozov@gmail.com>
   8 Bug-Reference-ID:       <CAOMFOmXy3mT2So5GQ5F-smCVArQuAeBwZ2QKzgCtMeXJoDeYOQ@mail.gmail.com>
   9 Bug-Reference-URL:      http://lists.gnu.org/archive/html/bug-readline/2014-03/msg00010.html
  10
  11 Bug-Description:
  12
  13 When in callback mode, some readline commands can cause readline to seg
  14 fault by passing invalid contexts to callback functions.
  15
  16 Patch (apply with `patch -p0'):
  17
  18 --- a/lib/readline/readline.c
  19 +++ b/lib/readline/readline.c
  20 @@ -744,7 +744,8 @@ _rl_dispatch_callback (cxt)
  21      r = _rl_subseq_result (r, cxt->oldmap, cxt->okey, (cxt->flags & KSEQ_SUBSEQ));
  22
  23    RL_CHECK_SIGNALS ();
  24 -  if (r == 0)                  /* success! */
  25 +  /* We only treat values < 0 specially to simulate recursion. */
  26 +  if (r >= 0 || (r == -1 && (cxt->flags & KSEQ_SUBSEQ) == 0))  /* success! or failure! */
  27      {
  28        _rl_keyseq_chain_dispose ();
  29        RL_UNSETSTATE (RL_STATE_MULTIKEY);
  30 --- a/patchlevel.h
  31 +++ b/patchlevel.h
  32 @@ -25,6 +25,6 @@
  33     regexp `^#define[   ]*PATCHLEVEL', since that's what support/mkversion.sh
  34     looks for to find the patch level (for the sccs version string). */
  35
  36 -#define PATCHLEVEL 2
  37 +#define PATCHLEVEL 3
  38
  39  #endif /* _PATCHLEVEL_H_ */