From 166788c657f4b1090a31ea37a023b1f2c78790c8 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 27 Jan 2022 21:56:40 +0000
Subject: [PATCH] patch 8.2.4236: accessing freed memory

Problem:    Accessing freed memory.
Solution:   Set the bh_curr pointer to NULL.
---
 src/getchar.c | 1 +
 src/version.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/getchar.c b/src/getchar.c
index 6602eeac5..cb8a35448 100644
--- a/src/getchar.c
+++ b/src/getchar.c
@@ -110,6 +110,7 @@ free_buff(buffheader_T *buf)
 	vim_free(p);
     }
     buf->bh_first.b_next = NULL;
+    buf->bh_curr = NULL;
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index 49942b5e0..23b29daf3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4236,
 /**/
     4235,
 /**/
-- 
2.50.1