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From:   Qiujun Huang <hqjagain@gmail.com>
Date:   Sat, 21 Mar 2020 07:36:24 +0800
Message-ID: <CAJRQjoedC4PTycGEpv_pCfbzW9zaA+kz2JTJaTi-EDWxcPUvFA@mail.gmail.com>
Subject: Re: [PATCH v3] sctp: fix refcount bug in sctp_wfree
To:     Eric Dumazet <eric.dumazet@gmail.com>
Cc:     Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
        "David S. Miller" <davem@davemloft.net>, vyasevich@gmail.com,
        nhorman@tuxdriver.com, Jakub Kicinski <kuba@kernel.org>,
        linux-sctp@vger.kernel.org, netdev <netdev@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>, anenbupt@gmail.com
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On Sat, Mar 21, 2020 at 1:10 AM Eric Dumazet <eric.dumazet@gmail.com> wrote:
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> This does not really solve the issue.
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> Even if the particular syzbot repro is now fine.
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> Really, having anything _after_ the sock_wfree(skb) is the bug, since the current thread no longer
> own a reference on a socket.

I get it, thanks.

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