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diff src/regexp_nfa.c @ 7258:7245d8635ac7 v7.4.937

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commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 24 15:18:32 2015 +0100 patch 7.4.937 Problem: Segfault reading unitialized memory. Solution: Do not read match \z0, it does not exist. (Marius Gedminas, closes https://github.com/vim/vim/issues/497)
author Christian Brabandt <cb@256bit.org>
date Tue, 24 Nov 2015 15:30:05 +0100
parents cbdc02d71a18
children 0b6c37dd858d
line wrap: on
line diff
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -6947,7 +6947,8 @@ nfa_regtry(prog, col, tm)
     {
 	cleanup_zsubexpr();
 	re_extmatch_out = make_extmatch();
-	for (i = 0; i < subs.synt.in_use; i++)
+	/* Loop over \z1, \z2, etc.  There is no \z0. */
+	for (i = 1; i < subs.synt.in_use; i++)
 	{
 	    if (REG_MULTI)
 	    {