commit 9cf4b5005f12ce1d6692266140bdda05d0312d79
author Bram Moolenaar <Bram@vim.org> Mon Jul 23 04:12:03 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Mon Jul 23 04:12:03 2018 +0200
tree 468e99e46f4e3548301f2b770e8ab2af31020041
parent 947b39e761b8a95cc1bd37ad0c2c30552238809a

patch 8.1.0205: invalid memory access with invalid modeline

Problem:    Invalid memory access with invalid modeline.
Solution:   Pass pointer limit. Add a test. (closes #3241)

src/testdir/test_modeline.vim

diff --git a/src/testdir/test_modeline.vim b/src/testdir/test_modeline.vim
new file mode 100644
index 0000000..6e49577
--- /dev/null
+++ b/src/testdir/test_modeline.vim
@@ -0,0 +1,8 @@
+" Tests for parsing the modeline.
+
+func Test_invalid()
+  " This was reading before allocated memory.
+  call writefile(['vi:0', 'nothing'], 'Xmodeline')
+  call assert_fails('split Xmodeline', 'E518:')
+  bwipe!
+endfunc