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- BASH PATCH REPORT
- =================
- Bash-Release: 4.3
- Patch-ID: bash43-021
- Bug-Reported-by: Jared Yanovich <slovichon@gmail.com>
- Bug-Reference-ID: <20140625225019.GJ17044@nightderanger.psc.edu>
- Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2014-06/msg00070.html
- Bug-Description:
- When the readline `revert-all-at-newline' option is set, pressing newline
- when the current line is one retrieved from history results in a double free
- and a segmentation fault.
- Patch (apply with `patch -p0'):
- --- a/lib/readline/misc.c
- +++ b/lib/readline/misc.c
- @@ -461,6 +461,7 @@ _rl_revert_all_lines ()
- saved_undo_list = 0;
- /* Set up rl_line_buffer and other variables from history entry */
- rl_replace_from_history (entry, 0); /* entry->line is now current */
- + entry->data = 0; /* entry->data is now current undo list */
- /* Undo all changes to this history entry */
- while (rl_undo_list)
- rl_do_undo ();
- @@ -468,7 +469,6 @@ _rl_revert_all_lines ()
- the timestamp. */
- FREE (entry->line);
- entry->line = savestring (rl_line_buffer);
- - entry->data = 0;
- }
- entry = previous_history ();
- }
- --- 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 20
- +#define PATCHLEVEL 21
-
- #endif /* _PATCHLEVEL_H_ */
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