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diff src/option.c @ 26452:65b4109a4297 v8.2.3756

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patch 8.2.3756: might crash when callback is not valid Commit: https://github.com/vim/vim/commit/4dc24eb5adbcc76838fae1e900936dd230209d96 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Tue Dec 7 12:23:57 2021 +0000 patch 8.2.3756: might crash when callback is not valid Problem: might crash when callback is not valid. Solution: Check for valid callback. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/9293)
author Bram Moolenaar <Bram@vim.org>
date Tue, 07 Dec 2021 13:30:05 +0100
parents 65ab0b035dd8
children 919ee902079a
line wrap: on
line diff
--- a/src/option.c
+++ b/src/option.c
@@ -7210,7 +7210,7 @@ option_set_callback_func(char_u *optval 
 	return FAIL;
 
     cb = get_callback(tv);
-    if (cb.cb_name == NULL)
+    if (cb.cb_name == NULL || *cb.cb_name == NUL)
     {
 	free_tv(tv);
 	return FAIL;