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diff src/fold.c @ 22306:86696c617f70 v8.2.1702

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patch 8.2.1702: crash when using undo after deleting folded lines Commit: https://github.com/vim/vim/commit/da697645d5917eb3d4168c06c3442bef9fb746bf Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 17 19:36:04 2020 +0200 patch 8.2.1702: crash when using undo after deleting folded lines Problem: Crash when using undo after deleting folded lines. Solution: Check for NULL pointer. (closes https://github.com/vim/vim/issues/6968)
author Bram Moolenaar <Bram@vim.org>
date Thu, 17 Sep 2020 19:45:04 +0200
parents 67d3826948ad
children 3c72820f88b2
line wrap: on
line diff
--- a/src/fold.c
+++ b/src/fold.c
@@ -2422,8 +2422,8 @@ foldUpdateIEMSRecurse(
 							      && flp->lvl > 0)
     {
 	(void)foldFind(gap, startlnum - 1, &fp);
-	if (fp >= ((fold_T *)gap->ga_data) + gap->ga_len
-						   || fp->fd_top >= startlnum)
+	if (fp != NULL && (fp >= ((fold_T *)gap->ga_data) + gap->ga_len
+						   || fp->fd_top >= startlnum))
 	    fp = NULL;
     }