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| author | Hangyu Hua <hbh25y@gmail.com> | 2021-12-09 16:28:39 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-11 13:37:11 +0100 |
| commit | 172b3f506c24a61805b3910b9acfe7159d980b9b (patch) | |
| tree | 27b727f0b7a2949d4a72ccb9741ad470ec6ad5d2 | |
| parent | 0f0979643bc2b7a8f3f392ab9ec94b485ec5c6c1 (diff) | |
| download | linux-stable-172b3f506c24a61805b3910b9acfe7159d980b9b.tar.gz linux-stable-172b3f506c24a61805b3910b9acfe7159d980b9b.tar.bz2 linux-stable-172b3f506c24a61805b3910b9acfe7159d980b9b.zip | |
phonet: refcount leak in pep_sock_accep
commit bcd0f93353326954817a4f9fa55ec57fb38acbb0 upstream.
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>
Signed-off-by: Aayush Agarwal <aayush.a.agarwal@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/phonet/pep.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 1e7945df3992..a734d47c5eb1 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -878,6 +878,7 @@ 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; |