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diff src/window.c @ 28913:22f743798f84 v8.2.4979

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patch 8.2.4979: accessing freed memory when line is flushed Commit: https://github.com/vim/vim/commit/28d032cc688ccfda18c5bbcab8b50aba6e18cde5 Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 18 16:29:08 2022 +0100 patch 8.2.4979: accessing freed memory when line is flushed Problem: Accessing freed memory when line is flushed. Solution: Make a copy of the pattern to search for.
author Bram Moolenaar <Bram@vim.org>
date Wed, 18 May 2022 17:30:03 +0200
parents d0241e74bfdb
children 45c182c4f7e9
line wrap: on
line diff
--- a/src/window.c
+++ b/src/window.c
@@ -579,9 +579,16 @@ wingotofile:
 		CHECK_CMDWIN;
 		if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
 		    break;
+
+		// Make a copy, if the line was changed it will be freed.
+		ptr = vim_strnsave(ptr, len);
+		if (ptr == NULL)
+		    break;
+
 		find_pattern_in_path(ptr, 0, len, TRUE,
 			Prenum == 0 ? TRUE : FALSE, type,
 			Prenum1, ACTION_SPLIT, (linenr_T)1, (linenr_T)MAXLNUM);
+		vim_free(ptr);
 		curwin->w_set_curswant = TRUE;
 		break;
 #endif