commit 93318a9933893103442f552b26bd0a41b98cb68b
author zeertzjq <zeertzjq@outlook.com> Mon Jun 16 20:10:38 2025 +0200
committer Christian Brabandt <cb@256bit.org> Mon Jun 16 20:10:38 2025 +0200
tree 344a69283278c08f2ceaf6b9ef411c244b8fb28a
parent 8ae8b304eea0301282b87f5bea1e4320080727f1

patch 9.1.1463: Integer overflow in getmarklist() after linewise operation

Problem:  Integer overflow in getmarklist() after linewise operation.
Solution: Don't add 1 to MAXCOL (zeertzjq)

related: neovim/neovim#34524
closes: #17552

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/testdir/test_marks.vim

diff --git a/src/testdir/test_marks.vim b/src/testdir/test_marks.vim
index 20fb304..50f005a 100644
--- a/src/testdir/test_marks.vim
+++ b/src/testdir/test_marks.vim
@@ -302,6 +302,11 @@
   call assert_equal({'mark' : "'r", 'pos' : [bufnr(), 2, 2, 0]},
         \ bufnr()->getmarklist()[0])
   call assert_equal([], {}->getmarklist())
+  normal! yy
+  call assert_equal([
+        \ {'mark': "'[", 'pos': [bufnr(), 2, 1, 0]},
+        \ {'mark': "']", 'pos': [bufnr(), 2, v:maxcol, 0]},
+        \ ], getmarklist(bufnr())[-2:])
   close!
 endfunc