From: Greg KH <gregkh@linuxfoundation.org>
To: Lepton Wu <ytht.net@gmail.com>
Cc: stable@vger.kernel.org, stefanha@redhat.com
Subject: Re: [PATCH] VSOCK: bind to random port for VMADDR_PORT_ANY
Date: Tue, 11 Dec 2018 07:38:42 +0100 [thread overview]
Message-ID: <20181211063842.GA4688@kroah.com> (raw)
In-Reply-To: <20181211020631.178905-1-ytht.net@gmail.com>
On Mon, Dec 10, 2018 at 06:06:31PM -0800, Lepton Wu wrote:
> The old code always starts from fixed port for VMADDR_PORT_ANY. Sometimes
> when VMM crashed, there is still orphaned vsock which is waiting for
> close timer, then it could cause connection time out for new started VM
> if they are trying to connect to same port with same guest cid since the
> new packets could hit that orphaned vsock. We could also fix this by doing
> more in vhost_vsock_reset_orphans, but any way, it should be better to start
> from a random local port instead of a fixed one.
>
> Signed-off-by: Lepton Wu <ytht.net@gmail.com>
> ---
> net/vmw_vsock/af_vsock.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.
</formletter>
prev parent reply other threads:[~2018-12-11 6:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-11 2:06 [PATCH] VSOCK: bind to random port for VMADDR_PORT_ANY Lepton Wu
2018-12-11 6:38 ` Greg KH [this message]
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