Re: [PATCH] fuse: Fix use-after-free in fuse_dev_do_write()

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To: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Subject: Re: [PATCH] fuse: Fix use-after-free in fuse_dev_do_write()
From: Miklos Szeredi <miklos@xxxxxxxxxx>
Date: Mon, 1 Oct 2018 11:26:10 +0200
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>, syzbot <syzbot+4e975615ca01f2277bdd@xxxxxxxxxxxxxxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <153786915356.22029.14929917223689579717.stgit@localhost.localdomain>

On Tue, Sep 25, 2018 at 11:52 AM, Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> wrote:
> After we found req in request_find() and released the lock,
> everything may happen with the req in parallel.
>
> Keep it alive till we finish touch its memory.
>
> Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>

Applied.

Thanks,
Miklos

References:
- [PATCH] fuse: Fix use-after-free in fuse_dev_do_write()
  - From: Kirill Tkhai

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