Message ID | 20180601090612.31073-3-apw@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/kernel/futex.c b/kernel/futex.c index af6bdd842e06..26fe00d4b57f 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1385,6 +1385,9 @@ static int futex_requeue(u32 __user *uaddr1, unsigned int flags, struct plist_head *head1; struct futex_q *this, *next; + if (nr_wake < 0 || nr_requeue < 0) + return -EINVAL; + if (requeue_pi) { /* * Requeue PI only works on two distinct uaddrs. This