[PATCH net] Phonet: refcount leak in pep_sock_accep
From: Hangyu Hua <hidden>
Date: 2021-12-09 08:29:01
Also in:
lkml
Subsystem:
networking [general], phonet protocol, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Remi Denis-Courmont, Linus Torvalds
sock_hold(sk) is invoked in pep_sock_accept(), but __sock_put(sk) is not invoked in subsequent failure branches(pep_accept_conn() != 0). Signed-off-by: Hangyu Hua <redacted> --- net/phonet/pep.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index a1525916885a..b4f90afb0638 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c@@ -868,6 +868,7 @@ static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp, err = pep_accept_conn(newsk, skb); if (err) { + __sock_put(sk); sock_put(newsk); newsk = NULL; goto drop;
--
2.25.1