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-rw-r--r--security/selinux/ss/conditional.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index 4867dfc5337a..7a92b028f722 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -27,6 +27,9 @@ static int cond_evaluate_expr(struct policydb *p, struct cond_expr *expr)
int s[COND_EXPR_MAXDEPTH];
int sp = -1;
+ if (expr->len == 0)
+ return -1;
+
for (i = 0; i < expr->len; i++) {
struct cond_expr_node *node = &expr->nodes[i];