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From:   Ard Biesheuvel <ardb@kernel.org>
Date:   Fri, 30 Jun 2023 12:02:06 +0200
Message-ID: <CAMj1kXGHRUUFYL09Lm-mO6MfGc19rC=-7mSJ1eDTcbw7QuEkaw@mail.gmail.com>
Subject: Re: [PATCH] net: tls: enable __GFP_ZERO upon tls_init()
To:     Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc:     Boris Pismenny <borisp@nvidia.com>,
        John Fastabend <john.fastabend@gmail.com>,
        Jakub Kicinski <kuba@kernel.org>, glider@google.com,
        herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org,
        syzkaller-bugs@googlegroups.com,
        syzbot <syzbot+828dfc12440b4f6f305d@syzkaller.appspotmail.com>,
        Eric Biggers <ebiggers@kernel.org>,
        Aviad Yehezkel <aviadye@nvidia.com>,
        Daniel Borkmann <daniel@iogearbox.net>, netdev@vger.kernel.org,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Paolo Abeni <pabeni@redhat.com>
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On Fri, 30 Jun 2023 at 11:53, Tetsuo Handa
<penguin-kernel@i-love.sakura.ne.jp> wrote:
>
> On 2023/06/30 18:36, Ard Biesheuvel wrote:
> > Why are you sending this now?
>
> Just because this is currently top crasher and I can reproduce locally.
>
> > Do you have a reproducer for this issue?
>
> Yes. https://syzkaller.appspot.com/text?tag=ReproC&x=12931621900000 works.
>

Could you please share your kernel config and the resulting kernel log
when running the reproducer? I'll try to reproduce locally as well,
and see if I can figure out what is going on in the crypto layer