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authorHangyu Hua <hbh25y@gmail.com>2021-12-09 09:28:39 +0100
committerJakub Kicinski <kuba@kernel.org>2021-12-11 04:53:52 +0100
commitbcd0f93353326954817a4f9fa55ec57fb38acbb0 (patch)
tree0cfe057392b7fe2cd2ebff355654487bec6c7573 /net/phonet
parentsch_cake: do not call cake_destroy() from cake_init() (diff)
downloadlinux-bcd0f93353326954817a4f9fa55ec57fb38acbb0.tar.xz
linux-bcd0f93353326954817a4f9fa55ec57fb38acbb0.zip
phonet: refcount leak in pep_sock_accep
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 <hbh25y@gmail.com> Link: https://lore.kernel.org/r/20211209082839.33985-1-hbh25y@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/phonet')
-rw-r--r--net/phonet/pep.c1
1 files changed, 1 insertions, 0 deletions
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;