linux-kernel - Re: fs: use-after-free in path

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Message-ID: <CACT4Y+YhaC3SFqdrhorJChC8TSnWD6anpwnLWe6ibEXbFQUEKg@mail.gmail.com>
Date:   Tue, 30 May 2017 10:19:45 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller <syzkaller@...glegroups.com>,
        Cong Wang <xiyou.wangcong@...il.com>
Subject: Re: fs: use-after-free in path_lookupat

On Tue, May 30, 2017 at 8:24 AM, Al Viro <viro@...iv.linux.org.uk> wrote:
> On Mon, May 29, 2017 at 04:48:17PM +0200, Dmitry Vyukov wrote:
>
>> Al, do you want me to mail the patch?
>> I won't be able to write a super detailed description, but I can do
>> some format patch.
>
> It's been fixed by commit c0eb027e5aef7; if you are still able to
> trigger it on the current mainline, please yell - that would have
> to be something different.


Thanks for the update!

No, I can't say that I still see this. It happened very infrequently,
so I wanted to make sure that we don't lost it regardless of whether I
see it or not.