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Message-Id: <20240223-upstream-net-20240223-misc-fixes-v1-5-162e87e48497@kernel.org>
Date: Fri, 23 Feb 2024 17:14:15 +0100
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>,
Geliang Tang <geliang@...nel.org>, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Florian Westphal <fw@...len.de>,
Kishen Maloor <kishen.maloor@...el.com>, Shuah Khan <shuah@...nel.org>,
Peter Krystad <peter.krystad@...ux.intel.com>,
Christoph Paasch <cpaasch@...le.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-kselftest@...r.kernel.org,
"Matthieu Baerts (NGI0)" <matttbe@...nel.org>, stable@...r.kernel.org
Subject: [PATCH net 05/10] mptcp: fix snd_wnd initialization for passive
socket
From: Paolo Abeni <pabeni@...hat.com>
Such value should be inherited from the first subflow, but
passive sockets always used 'rsk_rcv_wnd'.
Fixes: 6f8a612a33e4 ("mptcp: keep track of advertised windows right edge")
Cc: stable@...r.kernel.org
Signed-off-by: Paolo Abeni <pabeni@...hat.com>
Reviewed-by: Mat Martineau <martineau@...nel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
net/mptcp/protocol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 442fa7d9b57a..2c8f931c6d5b 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -3211,7 +3211,7 @@ struct sock *mptcp_sk_clone_init(const struct sock *sk,
msk->write_seq = subflow_req->idsn + 1;
msk->snd_nxt = msk->write_seq;
msk->snd_una = msk->write_seq;
- msk->wnd_end = msk->snd_nxt + req->rsk_rcv_wnd;
+ msk->wnd_end = msk->snd_nxt + tcp_sk(ssk)->snd_wnd;
msk->setsockopt_seq = mptcp_sk(sk)->setsockopt_seq;
mptcp_init_sched(msk, mptcp_sk(sk)->sched);
--
2.43.0
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