From: Kees Cook <keescook@chromium.org>
To: Hsuan-Chi Kuo <hckuo2@illinois.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Possible bug kernel/seccomp.c
Date: Thu, 4 Mar 2021 12:00:56 -0800 [thread overview]
Message-ID: <202103041200.54C6009@keescook> (raw)
In-Reply-To: <84856991-dd5e-c2d6-0a0e-1c05097a1b86@illinois.edu>
On Thu, Mar 04, 2021 at 01:14:16PM -0600, Hsuan-Chi Kuo wrote:
> 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.
Yecch. Yeah, that's a bug. Thanks for noticing that! Can you send a
patch to fix it?
--
Kees Cook
prev parent reply other threads:[~2021-03-04 20:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <83ebb916-20de-dba5-a5a2-c7f120ba7b21@illinois.edu>
2021-03-04 19:14 ` Possible bug kernel/seccomp.c Hsuan-Chi Kuo
2021-03-04 20:00 ` Kees Cook [this message]
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