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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 15:23:33 +0100 |
| commit | 2a6a811a45fde5acb805ead4d1e942be3875b302 (patch) | |
| tree | a73c9573fdada0c34c070dd4c6f8d172fc6e3e6b /net/phonet | |
| parent | db0c834abbc186bda56b1e13b4eb61f7126c12c5 (diff) | |
| download | linux-stable-2a6a811a45fde5acb805ead4d1e942be3875b302.tar.gz linux-stable-2a6a811a45fde5acb805ead4d1e942be3875b302.tar.bz2 linux-stable-2a6a811a45fde5acb805ead4d1e942be3875b302.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>
Diffstat (limited to 'net/phonet')
| -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 a07e13f63332..0c5d0f7b8b4b 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; |