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net: tipc: fix possible refcount leak in tipc_sk_create()

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[ Upstream commit 00aff3590fc0a73bddd3b743863c14e76fd35c0c ]

Free sk in case tipc_sk_insert() fails.

Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hangyu Hua 2022-06-29 14:34:18 +08:00 committed by Greg Kroah-Hartman
parent bacfef0bf2
commit efa78f2ae3
1 changed files with 1 additions and 0 deletions
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net/tipc/socket.c
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@ -489,6 +489,7 @@ static int tipc_sk_create(struct net *net, struct socket *sock,
sock_init_data(sock, sk);
tipc_set_sk_state(sk, TIPC_OPEN);
if (tipc_sk_insert(tsk)) {
sk_free(sk);
pr_warn("Socket create failed; port number exhausted\n");
return -EINVAL;
}