From 6f52bc5dee23e85d07eb7a32d4cbea633f9939ef Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Wed, 11 May 2022 19:10:18 +0800
Subject: vim-patch:8.2.4938: crash when matching buffer with invalid pattern

Problem:    Crash when matching buffer with invalid pattern.
Solution:   Check for NULL regprog.
https://github.com/vim/vim/commit/a59f2dfd0cf9ee1a584d3de5b7c2d47648e79060
---
 src/nvim/buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/nvim/buffer.c')

diff --git a/src/nvim/buffer.c b/src/nvim/buffer.c
index f9ad16e357..2c9f997ac1 100644
--- a/src/nvim/buffer.c
+++ b/src/nvim/buffer.c
@@ -2366,7 +2366,7 @@ static char_u *buflist_match(regmatch_T *rmp, buf_T *buf, bool ignore_case)
 {
   // First try the short file name, then the long file name.
   char_u *match = fname_match(rmp, buf->b_sfname, ignore_case);
-  if (match == NULL) {
+  if (match == NULL && rmp->regprog != NULL) {
     match = fname_match(rmp, buf->b_ffname, ignore_case);
   }
   return match;
-- 
cgit