From: Richard Russon <rich@flatcap.org>
Date: Fri, 20 Sep 2019 13:08:50 +0000 (+0100)
Subject: ensure that the buffer always exists in mutt_buffer_alloc()
X-Git-Tag: 2019-10-25~36^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ae2ae99175dce9df69c771daf5bfb228176795b2;p=neomutt

ensure that the buffer always exists in mutt_buffer_alloc()
---

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;