Message ID | 1274870684-18428-1-git-send-email-remi.denis-courmont@nokia.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Date: Wed, 26 May 2010 13:44:44 +0300 > From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> > > The accept()'d socket need to be unhashed while the (listen()'ing) > socket lock is held. This fixes a race condition that could lead to an > OOPS. > > Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 7b048a3..94d72e8 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -1045,12 +1045,12 @@ static void pep_sock_unhash(struct sock *sk) lock_sock(sk); if ((1 << sk->sk_state) & ~(TCPF_CLOSE|TCPF_LISTEN)) { skparent = pn->listener; - sk_del_node_init(sk); release_sock(sk); - sk = skparent; pn = pep_sk(skparent); - lock_sock(sk); + lock_sock(skparent); + sk_del_node_init(sk); + sk = skparent; } /* Unhash a listening sock only when it is closed * and all of its active connected pipes are closed. */