commit 8ecfa2c56b4992c7f067b92488aa9acea5a454ad
author Bram Moolenaar <Bram@vim.org> Wed Sep 21 13:07:22 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Wed Sep 21 13:07:22 2022 +0100
tree f79aedf5dddb4c60237419c1f18b8e3b2ca09a9d
parent 8eaee1fa5c0ce474132a04e1b70b73c49c41cc45

patch 9.0.0530: using freed memory when autocmd changes mark

Problem:    Using freed memory when autocmd changes mark.
Solution:   Copy the mark before editing another buffer.

src/testdir/test_marks.vim

diff --git a/src/testdir/test_marks.vim b/src/testdir/test_marks.vim
index 12501a3..20fb304 100644
--- a/src/testdir/test_marks.vim
+++ b/src/testdir/test_marks.vim
@@ -305,4 +305,17 @@
   close!
 endfunc
 
+" This was using freed memory
+func Test_jump_mark_autocmd()
+  next 00
+  edit 0
+  sargument
+  au BufEnter 0 all
+  sil norm 
+
+  au! BufEnter
+  bwipe!
+endfunc
+
+
 " vim: shiftwidth=2 sts=2 expandtab