linux-kernel - Re: [RFC PATCH 0/1][RESEND] Fix KASAN: slab-out-of-bounds Read in sk_psock

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Date:   Thu, 14 Jul 2022 09:55:18 +0600
From:   Khalid Masum <khalid.masum.92@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>,
        Pavel Skripkin <paskripkin@...il.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Stefano Garzarella <sgarzare@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Nikolay Aleksandrov <nikolay@...dia.com>,
        syzbot+1fa91bcd05206ff8cbb5@...kaller.appspotmail.com
Subject: Re: [RFC PATCH 0/1][RESEND] Fix KASAN: slab-out-of-bounds Read in sk_psock_get

On Thu, Jul 14, 2022 at 12:56 AM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Thu, 14 Jul 2022 00:13:23 +0600 Khalid Masum wrote:
> > Using size of sk_psock as the size for kcm_psock_cache size no longer
> > reproduces the issue. There might be a better way to solve this issue
> > though so I would like to ask for feedback.
> >
> > The patch was sent to the wrong mailing list so resending it. Please
> > ignore the previous one.
>
> What happened to my other off-list feedback?
>
> I pointed you at another solution which was already being discussed -
> does it solve the issue you're fixing?

Yes, this patch solves the issue I am fixing.

thanks,
Khalid Masum