diff options
Diffstat (limited to 'source/a/bash/bash-5.0-patches/bash50-008')
| -rw-r--r-- | source/a/bash/bash-5.0-patches/bash50-008 | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/source/a/bash/bash-5.0-patches/bash50-008 b/source/a/bash/bash-5.0-patches/bash50-008 new file mode 100644 index 00000000..b09d6b33 --- /dev/null +++ b/source/a/bash/bash-5.0-patches/bash50-008 @@ -0,0 +1,68 @@ + 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'): + +*** ../bash-5.0-patched/bashhist.c 2018-07-05 22:41:14.000000000 -0400 +--- 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) + +*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400 +--- 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_ */ |