1 files changed, 2 insertions, 0 deletions

diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index 456e1a9bcfde..34afeadd9e73 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -242,6 +242,8 @@ int cond_read_bool(struct policydb *p, struct hashtab *h, void *fp)
                 goto err;
 
         len = le32_to_cpu(buf[2]);
+        if (((len == 0) || (len == (u32)-1)))
+                goto err;
 
         rc = -ENOMEM;
         key = kmalloc(len + 1, GFP_KERNEL);