This is a note to let you know that I've just added the patch titled
mptcp: fix snd_wnd initialization for passive socket
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mptcp-fix-snd_wnd-initialization-for-passive-socket.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From adf1bb78dab55e36d4d557aa2fb446ebcfe9e5ce Mon Sep 17 00:00:00 2001
From: Paolo Abeni <pabeni@xxxxxxxxxx>
Date: Fri, 23 Feb 2024 17:14:15 +0100
Subject: mptcp: fix snd_wnd initialization for passive socket
From: Paolo Abeni <pabeni@xxxxxxxxxx>
commit adf1bb78dab55e36d4d557aa2fb446ebcfe9e5ce upstream.
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@xxxxxxxxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Reviewed-by: Mat Martineau <martineau@xxxxxxxxxx>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-5-162e87e48497@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/mptcp/protocol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2889,7 +2889,7 @@ struct sock *mptcp_sk_clone(const struct
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;
if (mp_opt->suboptions & OPTIONS_MPTCP_MPC) {
Patches currently in stable-queue which might be from pabeni@xxxxxxxxxx are
queue-5.15/mptcp-push-at-dss-boundaries.patch
queue-5.15/mptcp-fix-snd_wnd-initialization-for-passive-socket.patch
queue-5.15/mptcp-rename-timer-related-helper-to-less-confusing-names.patch
queue-5.15/mptcp-process-pending-subflow-error-on-close.patch
queue-5.15/mptcp-fix-possible-deadlock-in-subflow-diag.patch
queue-5.15/veth-try-harder-when-allocating-queue-memory.patch
queue-5.15/gtp-fix-use-after-free-and-null-ptr-deref-in-gtp_newlink.patch
queue-5.15/mptcp-move-__mptcp_error_report-in-protocol.c.patch
