netdev - Re: [PATCH net-next] tcp: Revert no longer abort SYN

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Message-ID: <20240102095835.GF6361@unreal>
Date: Tue, 2 Jan 2024 11:58:35 +0200
From: Leon Romanovsky <leon@...nel.org>
To: Eric Dumazet <edumazet@...gle.com>
Cc: David Ahern <dsahern@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Shachar Kagan <skagan@...dia.com>, netdev@...r.kernel.org,
	Bagas Sanjaya <bagasdotme@...il.com>,
	"Linux regression tracking (Thorsten Leemhuis)" <regressions@...mhuis.info>
Subject: Re: [PATCH net-next] tcp: Revert no longer abort SYN_SENT when
 receiving some ICMP

On Tue, Jan 02, 2024 at 10:46:13AM +0100, Eric Dumazet wrote:
> On Tue, Jan 2, 2024 at 10:01 AM Leon Romanovsky <leon@...nel.org> wrote:
> >
> > From: Shachar Kagan <skagan@...dia.com>
> >
> > This reverts commit 0a8de364ff7a14558e9676f424283148110384d6.
> >
> > Shachar reported that Vagrant (https://www.vagrantup.com/), which is
> > very popular tool to manage fleet of VMs stopped to work after commit
> > citied in Fixes line.
> >
> > The issue appears while using Vagrant to manage nested VMs.
> > The steps are:
> > * create vagrant file
> > * vagrant up
> > * vagrant halt (VM is created but shut down)
> > * vagrant up - fail
> >
> 
> I would rather have an explanation, instead of reverting a valid patch.
> 
> I have been on vacation for some time. I may have missed a detailed
> explanation, please repost if needed.

Our detailed explanation that revert worked. You provided the patch that
broke, so please let's not require from users to debug it.

If you need a help to reproduce and/or test some hypothesis, Shachar
will be happy to help you, just ask.

Thanks