From 075f9cfe7a0105e14e878b5617e80d391d016e08 Mon Sep 17 00:00:00 2001

From: Chris PeBenito <chpebeni@linux.microsoft.com>

Date: Fri, 11 Sep 2020 15:56:14 -0400

Subject: [PATCH] libselinux: Fix selabel_lookup() for the root dir.

9e4480b921bb ("Remove trailing slash on selabel_file lookups.") introduced

a bug which turns the root directory lookup "/" into an empty string.

Signed-off-by: Chris PeBenito <chpebeni@linux.microsoft.com>

Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com>

---

 libselinux/src/label_file.c | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libselinux/src/label_file.c b/libselinux/src/label_file.c

index 6eeeea68aea4..726394ca4332 100644

--- a/libselinux/src/label_file.c

+++ b/libselinux/src/label_file.c

@@ -902,7 +902,7 @@ static const struct spec **lookup_all(struct selabel_handle *rec,

 		goto finish;

 	}

-	if (key[len - 1] == '/') {

+	if (len > 1 && key[len - 1] == '/') {

 		/* reuse clean_key from above if available */

 		if (!clean_key) {

 			clean_key = (char *) malloc(len);

-- 

2.29.0