sched: Disallow sched_attr::sched_policy < 0

[platform/adaptation/renesas_rcar/renesas_kernel.git] / kernel / sched / core.c

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index f5c6635..dbe44b5 100644 (file)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3683,6 +3683,9 @@ SYSCALL_DEFINE3(sched_setattr, pid_t, pid, struct sched_attr __user *, uattr,
        if (sched_copy_attr(uattr, &attr))
                return -EFAULT;
 
+       if (attr.sched_policy < 0)
+               return -EINVAL;
+
        rcu_read_lock();
        retval = -ESRCH;
        p = find_process_by_pid(pid);