linux-kernel - Re: [PATCH net-next v2] crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG

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Message-ID: <1226381.1687249916@warthog.procyon.org.uk>
Date:   Tue, 20 Jun 2023 09:31:56 +0100
From:   David Howells <dhowells@...hat.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     dhowells@...hat.com, netdev@...r.kernel.org,
        syzbot+13a08c0bf4d212766c3c@...kaller.appspotmail.com,
        syzbot+14234ccf6d0ef629ec1a@...kaller.appspotmail.com,
        syzbot+4e2e47f32607d0f72d43@...kaller.appspotmail.com,
        syzbot+472626bb5e7c59fb768f@...kaller.appspotmail.com,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Jens Axboe <axboe@...nel.dk>,
        Matthew Wilcox <willy@...radead.org>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2] crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)

Herbert Xu <herbert@...dor.apana.org.au> wrote:

> > However, given you want sendmsg() to do the init->digest cycle on zero length
> > data, I think we should revert to the previous version of the patch that makes
> > a pass of the loop even with no data.
> 
> Let's get this fixed ASAP and we can refine it later.
> 
> Acked-by: Herbert Xu <herbert@...dor.apana.org.au>

Um.  Is that against this patch or the old version?

David