linux-kernel - Re: KASAN: use-after-free Read in __list_add

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Message-ID: <CACT4Y+YV7u0H9gTf_vwJx3zfdqDXUXDXCE8=XWPeLgr4royrmw@mail.gmail.com>
Date:   Thu, 25 Jan 2018 11:02:07 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     syzbot <syzbot+fbbedb95ed1d1e95781e@...kaller.appspotmail.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        syzkaller-bugs@...glegroups.com,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>
Subject: Re: KASAN: use-after-free Read in __list_add_valid (3)

On Thu, Jan 25, 2018 at 10:47 AM, Peter Zijlstra <peterz@...radead.org> wrote:
>
> Not sure why it landed on my desk, lets give it to the vhost people.

Was a bug on our side, now fixed with:
https://github.com/google/syzkaller/commit/1d18b11287c0248782efe867659c17dbdf76e3d5
Next time will be attributed to drivers/vhost/vhost.c

Thanks for rerouting and pointing to the issue.