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- BASH PATCH REPORT
- =================
-
- Bash-Release: 5.0
- Patch-ID: bash50-008
-
- Bug-Reported-by: Michael Albinus <michael.albinus@gmx.de>
- Bug-Reference-ID: <87bm36k3kz.fsf@gmx.de>
- Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2019-02/msg00111.html
-
- Bug-Description:
-
- When HISTSIZE is set to 0, history expansion can leave the history length
- set to an incorrect value, leading to subsequent attempts to access invalid
- memory.
-
- Patch (apply with `patch -p0'):
-
- *** a/bashhist.c 2018-07-05 22:41:14.000000000 -0400
- --- b/bashhist.c 2019-02-20 16:20:04.000000000 -0500
- ***************
- *** 561,573 ****
- if (!history_expansion_inhibited && history_expansion && history_expansion_p (line))
- {
- /* If we are expanding the second or later line of a multi-line
- command, decrease history_length so references to history expansions
- in these lines refer to the previous history entry and not the
- current command. */
- if (history_length > 0 && command_oriented_history && current_command_first_line_saved && current_command_line_count > 1)
- history_length--;
- expanded = history_expand (line, &history_value);
- if (history_length >= 0 && command_oriented_history && current_command_first_line_saved && current_command_line_count > 1)
- ! history_length++;
-
- if (expanded)
- --- 561,576 ----
- if (!history_expansion_inhibited && history_expansion && history_expansion_p (line))
- {
- + int old_len;
- +
- /* If we are expanding the second or later line of a multi-line
- command, decrease history_length so references to history expansions
- in these lines refer to the previous history entry and not the
- current command. */
- + old_len = history_length;
- if (history_length > 0 && command_oriented_history && current_command_first_line_saved && current_command_line_count > 1)
- history_length--;
- expanded = history_expand (line, &history_value);
- if (history_length >= 0 && command_oriented_history && current_command_first_line_saved && current_command_line_count > 1)
- ! history_length = old_len;
-
- if (expanded)
-
- *** a/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
- --- b/patchlevel.h 2016-10-01 11:01:28.000000000 -0400
- ***************
- *** 26,30 ****
- looks for to find the patch level (for the sccs version string). */
-
- ! #define PATCHLEVEL 7
-
- #endif /* _PATCHLEVEL_H_ */
- --- 26,30 ----
- looks for to find the patch level (for the sccs version string). */
-
- ! #define PATCHLEVEL 8
-
- #endif /* _PATCHLEVEL_H_ */
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