From ae2ae99175dce9df69c771daf5bfb228176795b2 Mon Sep 17 00:00:00 2001
From: Richard Russon <rich@flatcap.org>
Date: Fri, 20 Sep 2019 14:08:50 +0100
Subject: [PATCH] ensure that the buffer always exists in mutt_buffer_alloc()

---
 mutt/buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mutt/buffer.c b/mutt/buffer.c
index 12c891a5e..3ab6d6286 100644
--- a/mutt/buffer.c
+++ b/mutt/buffer.c
@@ -274,7 +274,7 @@ void mutt_buffer_alloc(struct Buffer *buf, size_t new_size)
     buf->dptr = buf->data;
   }
 
-  if (new_size > buf->dsize)
+  if ((new_size > buf->dsize) || !buf->data)
   {
     size_t offset = (buf->dptr && buf->data) ? buf->dptr - buf->data : 0;
 
-- 
2.40.0