linux-kernel - Re: Possible bug kernel/seccomp.c

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Message-ID: <84856991-dd5e-c2d6-0a0e-1c05097a1b86@illinois.edu>
Date:   Thu, 4 Mar 2021 13:14:16 -0600
From:   Hsuan-Chi Kuo <hckuo2@...inois.edu>
To:     keescook@...omium.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: Possible bug kernel/seccomp.c

cc mailing list.

On 3/4/21 1:10 PM, Hsuan-Chi Kuo wrote:
> Hello,
>
> Should this line be atomic_read(&caller->seccomp.filter_count));
>
> https://elixir.bootlin.com/linux/latest/source/kernel/seccomp.c#L600
>
> I think the desired behavior is to synchronize the filter count.
>
> Thank you
>