!70 回合上游社区补丁，修复异常场景下 readline 模块 crash 问题

From: @licihua 
Reviewed-by: @zhujianwei001 
Signed-off-by: @zhujianwei001

backport-fix-crash-in-readline-when-started-with-an-invalid.patch

@@ -0,0 +1,52 @@
+From a99d905216cc0aac5de0c3050f4afc54e21c6bc5 Mon Sep 17 00:00:00 2001
+From: Chet Ramey <chet.ramey@case.edu>
+Date: Wed, 5 Oct 2022 10:37:38 -0400
+Subject: [PATCH] Bash-5.2 patch 2: fix crash in readline when started with an
+ invalid locale specification
+
+---
+ lib/readline/nls.c | 8 +++++++-
+ patchlevel.h       | 2 +-
+ 2 files changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/lib/readline/nls.c b/lib/readline/nls.c
+index d2f67e0..5d1cd19 100644
+--- a/lib/readline/nls.c
++++ b/lib/readline/nls.c
+@@ -56,6 +56,8 @@
+ 
+ static int utf8locale PARAMS((char *));
+ 
++#define RL_DEFAULT_LOCALE "C"
++
+ #if !defined (HAVE_SETLOCALE)    
+ /* A list of legal values for the LANG or LC_CTYPE environment variables.
+    If a locale name in this list is the value for the LC_ALL, LC_CTYPE,
+@@ -136,7 +138,11 @@ _rl_init_locale (void)
+   if (lspec == 0)
+     lspec = "";
+   ret = setlocale (LC_CTYPE, lspec);	/* ok, since it does not change locale */
+-
++  if (ret == 0 || *ret == 0)
++    ret = setlocale (LC_CTYPE, (char *)NULL);
++  if (ret == 0 || *ret == 0)
++    ret = RL_DEFAULT_LOCALE;
++  
+   _rl_utf8locale = (ret && *ret) ? utf8locale (ret) : 0;
+ 
+   return ret;
+diff --git a/patchlevel.h b/patchlevel.h
+index 10fde2e..17586ff 100644
+--- 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 8
++#define PATCHLEVEL 9
+ 
+ #endif /* _PATCHLEVEL_H_ */
+-- 
+2.35.1
+

bash.spec

@@ -1,6 +1,6 @@
 Name:     bash
 Version:  5.1.8
-Release:  4
+Release:  5 
 Summary:  It is the Bourne Again Shell
 License:  GPLv3
 URL:      https://www.gnu.org/software/bash
@@ -24,6 +24,7 @@ Patch137: bugfix-Forbidden-non-root-user-to-clear-history.patch
 Patch138: enable-dot-logout-and-source-bashrc-through-ssh.patch
 Patch139: cd-alias.patch
 Patch140: bash-5.1-sw.patch
+Patch141: backport-fix-crash-in-readline-when-started-with-an-invalid.patch
 
 BuildRequires: gcc bison texinfo autoconf ncurses-devel
 # Required for bash tests
@@ -117,6 +118,12 @@ make check
 %exclude %{_infodir}/dir
 
 %changelog
+* Sat Oct 29 2022 licihua <licihua@huawei.com> -5.1.8-5
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC: fix crash in readline when started with an invalid locale specification
+
 * Mon Aug 15 2022 panxiaohe <panxh.life@foxmail.com> - 5.1.8-4
 - fix bugfix-Forbidden-non-root-user-to-clear-history.patch