From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 17 Nov 2023 21:00:59 +0000 (-0500)
Subject: Readline-8.2 patch 2: avoid possible crash when trying to zero out a line buffer... 
X-Git-Tag: readline-8.3-alpha~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=83de95eaba5debdf544d0ef43cf88de3bc5cd7dd;p=thirdparty%2Freadline.git

Readline-8.2 patch 2: avoid possible crash when trying to zero out a line buffer that's potentially not null-terminated
---

diff --git a/display.c b/display.c
index c1135ec..ad573f9 100644
--- a/display.c
+++ b/display.c
@@ -2683,11 +2683,8 @@ rl_forced_update_display (void)
   register char *temp;
 
   if (visible_line)
-    {
-      temp = visible_line;
-      while (*temp)
-	*temp++ = '\0';
-    }
+    memset (visible_line, 0, line_size);
+
   rl_on_new_line ();
   forced_display++;
   (*rl_redisplay_function) ();
diff --git a/patchlevel b/patchlevel
index fdf4740..7cbda82 100644
--- a/patchlevel
+++ b/patchlevel
@@ -1,3 +1,3 @@
 # Do not edit -- exists only for use by patch
 
-1
+2