Submitted By:                Bruce Dubbs <bdubbs@linuxfromscratch.org>
Date:                        2021-10-12
Initial Package Version:     8.2
Upstream Status:             Applied
Origin:                      Upstream release repository
                             Starting a readline applications  with an invalid locale 
                             specification for LC_ALL/LANG/LC_CTYPE can cause the shell 
                             to crash.

diff -Naur readline-8.2-orig/nls.c readline-8.2/nls.c
--- readline-8.2-orig/nls.c	2022-08-15 08:38:51.000000000 -0500
+++ readline-8.2/nls.c	2022-10-12 19:51:35.881738300 -0500
@@ -141,6 +141,10 @@
   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;
 #else
   ret = (lspec == 0 || *lspec == 0) ? RL_DEFAULT_LOCALE : lspec;
 #endif
diff -Naur readline-8.2-orig/patchlevel readline-8.2/patchlevel
--- readline-8.2-orig/patchlevel	2020-05-21 13:22:40.000000000 -0500
+++ readline-8.2/patchlevel	2022-10-12 19:51:35.881738300 -0500
@@ -1,3 +1,3 @@
 # Do not edit -- exists only for use by patch
 
-0
+1