To: vim_dev@googlegroups.com
Subject: Patch 9.0.1378
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
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------------

Patch 9.0.1378
Problem:    Illegal memory access when using virtual editing.
Solution:   Make sure "startspaces" is not negative.
Files:      src/register.c, src/testdir/test_virtualedit.vim


*** ../vim-9.0.1377/src/register.c	2023-03-03 21:11:49.057414112 +0000
--- src/register.c	2023-03-04 14:11:40.678540655 +0000
***************
*** 1245,1250 ****
--- 1245,1252 ----
  				// double-count it.
  				bd.startspaces = (ce - cs + 1)
  							  - oap->start.coladd;
+ 				if (bd.startspaces < 0)
+ 				    bd.startspaces = 0;
  				startcol++;
  			    }
  			}
*** ../vim-9.0.1377/src/testdir/test_virtualedit.vim	2023-01-28 19:18:56.741720608 +0000
--- src/testdir/test_virtualedit.vim	2023-03-04 14:10:43.066521272 +0000
***************
*** 88,93 ****
--- 88,103 ----
    set virtualedit=
  endfunc
  
+ func Test_edit_special_char()
+   new
+   se ve=all
+   norm a0
+   sil! exe "norm o00000\<Nul>k<a0s"
+ 
+   bwipe!
+   set virtualedit=
+ endfunc
+ 
  " Tests for pasting at the beginning, end and middle of a tab character
  " in virtual edit mode.
  func Test_paste_in_tab()
*** ../vim-9.0.1377/src/version.c	2023-03-04 13:23:22.969812280 +0000
--- src/version.c	2023-03-04 14:09:04.498485723 +0000
***************
*** 697,698 ****
--- 697,700 ----
  {   /* Add new patch number below this line */
+ /**/
+     1378,
  /**/

-- 
Your fault: core dumped

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///                                                                      \\\
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