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# DP: bash43-003 upstream patch
Bash-Release: 4.3
Patch-ID: bash43-003
Bug-Reported-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Bug-Reference-ID: <CAOMFOmXy3mT2So5GQ5F-smCVArQuAeBwZ2QKzgCtMeXJoDeYOQ@mail.gmail.com>
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-readline/2014-03/msg00010.html
Bug-Description:
When in callback mode, some readline commands can cause readline to seg
fault by passing invalid contexts to callback functions.
Patch (apply with `patch -p0'):
Index: b/patchlevel.h
===================================================================
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 2
+#define PATCHLEVEL 3
#endif /* _PATCHLEVEL_H_ */
Index: b/lib/readline/readline.c
===================================================================
--- a/lib/readline/readline.c
+++ b/lib/readline/readline.c
@@ -744,7 +744,8 @@
r = _rl_subseq_result (r, cxt->oldmap, cxt->okey, (cxt->flags & KSEQ_SUBSEQ));
RL_CHECK_SIGNALS ();
- if (r == 0) /* success! */
+ /* We only treat values < 0 specially to simulate recursion. */
+ if (r >= 0 || (r == -1 && (cxt->flags & KSEQ_SUBSEQ) == 0)) /* success! or failure! */
{
_rl_keyseq_chain_dispose ();
RL_UNSETSTATE (RL_STATE_MULTIKEY);
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