From 6414c3bc394f86a5d6a5f02c934469e21bbbc923 Mon Sep 17 00:00:00 2001
From: Jason Zaman <jason@perfinion.com>
Date: Wed, 16 Nov 2016 12:55:49 +0800
Subject: selinux: fix SIGSEGV with invalid contexts

Fixes: https://github.com/openrc/openrc/issues/104
---
 src/rc/rc-selinux.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'src/rc')

diff --git a/src/rc/rc-selinux.c b/src/rc/rc-selinux.c
index a792fe28..2eb631a6 100644
--- a/src/rc/rc-selinux.c
+++ b/src/rc/rc-selinux.c
@@ -334,7 +334,19 @@ void selinux_setup(char **argv)
 
 	/* extract the type from the context */
 	curr_con = context_new(curr_context);
-	curr_t = xstrdup(context_type_get(curr_con));
+	if (!curr_con) {
+		free(curr_context);
+		goto out;
+	}
+
+	curr_t = context_type_get(curr_con);
+	if (!curr_t) {
+		context_free(curr_con);
+		free(curr_context);
+		goto out;
+	}
+
+	curr_t = xstrdup(curr_t);
 	/* dont need them anymore so free() now */
 	context_free(curr_con);
 	free(curr_context);
-- 
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