netdev - Re: [PATCH net-next v5] net: sched: consistently use rcu_replace_pointer() in taprio

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Message-ID: <87wmjqnufp.fsf@intel.com>
Date: Thu, 05 Sep 2024 09:42:18 -0300
From: Vinicius Costa Gomes <vinicius.gomes@...el.com>
To: Dmitry Antipov <dmantipov@...dex.ru>
Cc: Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon
 Horman <horms@...nel.org>, netdev@...r.kernel.org,
 lvc-project@...uxtesting.org, Dmitry Antipov <dmantipov@...dex.ru>
Subject: Re: [PATCH net-next v5] net: sched: consistently use
 rcu_replace_pointer() in taprio_change()

Dmitry Antipov <dmantipov@...dex.ru> writes:

> According to Vinicius (and carefully looking through the whole
> https://syzkaller.appspot.com/bug?extid=b65e0af58423fc8a73aa
> once again), txtime branch of 'taprio_change()' is not going to
> race against 'advance_sched()'. But using 'rcu_replace_pointer()'
> in the former may be a good idea as well.
>
> Suggested-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>
> Signed-off-by: Dmitry Antipov <dmantipov@...dex.ru>
> ---
> v5: cut from the series, add syzbot link an re-target to net-next
> v4: adjust subject to target net tree
> v3: unchanged since v2
> v2: added to the series
> ---

Acked-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>


Cheers,
-- 
Vinicius