SELinux: Fix kernel BUG on empty security contexts.

[pandora-kernel.git] / security / selinux / ss / services.c

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 185f849..72b20b1 100644 (file)
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -1229,6 +1229,10 @@ static int security_context_to_sid_core(const char *scontext, u32 scontext_len,
        struct context context;
        int rc = 0;
 
+       /* An empty security context is never valid. */
+       if (!scontext_len)
+               return -EINVAL;
+
        if (!ss_initialized) {
                int i;