linux-kernel - Re: [PATCH] ipc/shm: fix use-after-free of shm file via remap_file

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Message-ID: <20180409202641.j773oepagmhcb2nh@linux-n805>
Date:   Mon, 9 Apr 2018 13:26:41 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Eric Biggers <ebiggers3@...il.com>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Manfred Spraul <manfred@...orfullife.com>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] ipc/shm: fix use-after-free of shm file via
 remap_file_pages()

On Mon, 09 Apr 2018, Davidlohr Bueso wrote:
>So I don't think the pointer is going anywhere, or am I missing
>something?

Ah, yes, wrong pointer, this is sdf->file -- sorry for the noise.