From cb708d203b36fff16b6f01a81c30ca20b51c82fc Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <janedmundlazo@hotmail.com>
Date: Fri, 10 Aug 2018 10:41:26 -0400
Subject: vim-patch:8.0.1517: invalid memory acces with pattern using
 look-behind match

Problem:    Invalid memory acces with pattern using look-behind match.
            (Dominique Pelle)
Solution:   Get a pointer to the right line.
https://github.com/vim/vim/commit/bc197195b097707d08fd44a476dbc374366504cb
---
 src/nvim/regexp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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

diff --git a/src/nvim/regexp.c b/src/nvim/regexp.c
index 9bfc158763..9d16ecb46c 100644
--- a/src/nvim/regexp.c
+++ b/src/nvim/regexp.c
@@ -4922,8 +4922,11 @@ regmatch (
               }
             } else {
               if (has_mbyte) {
+                const char_u *const line =
+                    reg_getline(behind_pos.rs_u.pos.lnum);
+
                 rp->rs_un.regsave.rs_u.pos.col -=
-                  (*mb_head_off)(regline, regline
+                  (*mb_head_off)(line, line
                                  + rp->rs_un.regsave.rs_u.pos.col - 1) + 1;
               } else {
                 rp->rs_un.regsave.rs_u.pos.col--;
-- 
cgit