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Message-Id: <20191013.101325.1549436648496002099.davem@davemloft.net>
Date: Sun, 13 Oct 2019 10:13:25 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: edumazet@...gle.com
Cc: netdev@...r.kernel.org, eric.dumazet@...il.com,
jakub.kicinski@...ronome.com
Subject: Re: [PATCH net 0/9] tcp: address KCSAN reports in tcp_poll() (part
I)
From: Eric Dumazet <edumazet@...gle.com>
Date: Thu, 10 Oct 2019 20:17:37 -0700
> This all started with a KCSAN report (included
> in "tcp: annotate tp->rcv_nxt lockless reads" changelog)
>
> tcp_poll() runs in a lockless way. This means that about
> all accesses of tcp socket fields done in tcp_poll() context
> need annotations otherwise KCSAN will complain about data-races.
>
> While doing this detective work, I found a more serious bug,
> addressed by the first patch ("tcp: add rcu protection around
> tp->fastopen_rsk").
Series applied, thanks Eric.
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