From fd960a33e4d370917ede6b460efb069e663dbbc9 Mon Sep 17 00:00:00 2001
From: Thomas Vigouroux <tomvig38@gmail.com>
Date: Sun, 3 Jan 2021 19:14:18 +0100
Subject: fix: check for valid buffer handles in modify_keymap (#13543)

Fixes #13541
Neovim would crash when trying to map a key on non existant buffer
---
 src/nvim/api/private/helpers.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/nvim/api/private/helpers.c b/src/nvim/api/private/helpers.c
index 2c99d3426c..8f224e8c78 100644
--- a/src/nvim/api/private/helpers.c
+++ b/src/nvim/api/private/helpers.c
@@ -820,6 +820,10 @@ void modify_keymap(Buffer buffer, bool is_unmap, String mode, String lhs,
   }
   buf_T *target_buf = find_buffer_by_handle(buffer, err);
 
+  if (!target_buf) {
+    return;
+  }
+
   MapArguments parsed_args;
   memset(&parsed_args, 0, sizeof(parsed_args));
   if (parse_keymap_opts(opts, &parsed_args, err)) {
-- 
cgit