netdev - Re: [PATCH v2 net-next 1/2] tcp: fix over estimation in sk_forced_mem

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Message-Id: <20220614174053.6kkrgwedqfdva4rv@google.com>
Date:   Tue, 14 Jun 2022 17:40:53 +0000
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        netdev <netdev@...r.kernel.org>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Wei Wang <weiwan@...gle.com>,
        Neal Cardwell <ncardwell@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH v2 net-next 1/2] tcp: fix over estimation in sk_forced_mem_schedule()

On Tue, Jun 14, 2022 at 10:17:33AM -0700, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> sk_forced_mem_schedule() has a bug similar to ones fixed
> in commit 7c80b038d23e ("net: fix sk_wmem_schedule() and
> sk_rmem_schedule() errors")
> 
> While this bug has little chance to trigger in old kernels,
> we need to fix it before the following patch.
> 
> Fixes: d83769a580f1 ("tcp: fix possible deadlock in tcp_send_fin()")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Reviewed-by: Shakeel Butt <shakeelb@...gle.com>