From 7c8454790080395bf5b27857a766b3468aa5ed98 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sun, 9 Dec 2018 22:20:15 -0500
Subject: [PATCH] fix wordexp not to read past end of string ending with lone
 backslash

---
 src/misc/wordexp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/misc/wordexp.c b/src/misc/wordexp.c
index d123cf75..db83a69f 100644
--- a/src/misc/wordexp.c
+++ b/src/misc/wordexp.c
@@ -42,7 +42,7 @@ static int do_wordexp(const char *s, wordexp_t *we, int flags)
 
 	if (flags & WRDE_NOCMD) for (i=0; s[i]; i++) switch (s[i]) {
 	case '\\':
-		if (!sq) i++;
+		if (!sq && !s[++i]) return WRDE_SYNTAX;
 		break;
 	case '\'':
 		if (!dq) sq^=1;