commit ec66c41d84e574baf8009dbc0bd088d2bc5b2421
author Bram Moolenaar <Bram@vim.org> Fri Oct 11 21:19:13 2019 +0200
committer Bram Moolenaar <Bram@vim.org> Fri Oct 11 21:19:13 2019 +0200
tree ef666f19b084bab73d530bcf7eb370780f33be21
parent 00eab7f128ecfef699fec30988e5b1cc72378617

patch 8.1.2136: using freed memory with autocmd from fuzzer

Problem:    using freed memory with autocmd from fuzzer. (Dhiraj Mishra,
            Dominique Pelle)
Solution:   Avoid using "wp" after autocommands. (closes #5041)

src/testdir/test_autocmd.vim

diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index fe77bf5..1e53fe4 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -2288,3 +2288,11 @@
   call StopVimInTerminal(buf)
   call delete(filename)
 endfunc
+
+func Test_autocmd_was_using_freed_memory()
+  pedit xx
+  n x
+  au WinEnter * quit
+  split
+  au! WinEnter
+endfunc