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changeset 25747:1c999a6e9d92 v8.2.3409

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patch 8.2.3409: reading beyond end of line with invalid utf-8 character Commit: https://github.com/vim/vim/commit/65b605665997fad54ef39a93199e305af2fe4d7f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 7 19:26:53 2021 +0200 patch 8.2.3409: reading beyond end of line with invalid utf-8 character Problem: Reading beyond end of line with invalid utf-8 character. Solution: Check for NUL when advancing.
author Bram Moolenaar <Bram@vim.org>
date Tue, 07 Sep 2021 19:30:04 +0200
parents 1757d3afd6cb
children 8d0ecfbcc62a
files src/regexp_nfa.c src/testdir/test_regexp_utf8.vim src/version.c
diffstat 3 files changed, 12 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -5664,7 +5664,8 @@ find_match_text(colnr_T startcol, int re
 		match = FALSE;
 		break;
 	    }
-	    len2 += MB_CHAR2LEN(c2);
+	    len2 += enc_utf8 ? utf_ptr2len(rex.line + col + len2)
+							     : MB_CHAR2LEN(c2);
 	}
 	if (match
 		// check that no composing char follows
--- a/src/testdir/test_regexp_utf8.vim
+++ b/src/testdir/test_regexp_utf8.vim
@@ -558,4 +558,12 @@ func Test_match_char_class_upper()
   bwipe!
 endfunc
 
+func Test_match_invalid_byte()
+  call writefile(0z630a.765d30aa0a.2e0a.790a.4030, 'Xinvalid')
+  new
+  source Xinvalid
+  bwipe!
+  call delete('Xinvalid')
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3409,
+/**/
     3408,
 /**/
     3407,