From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 10 Dec 2018 03:20:15 +0000 (-0500)
Subject: fix wordexp not to read past end of string ending with lone backslash
X-Git-Tag: v1.1.21~22
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=7c8454790080395bf5b27857a766b3468aa5ed98;p=oweals%2Fmusl.git

fix wordexp not to read past end of string ending with lone backslash
---

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;