linux-kernel - Re: [PATCH v2 3/3] binderfs: add stress test for binderfs binder devices

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Message-ID: <20200317082746.boc247ieui6cxvsz@wittgenstein>
Date:   Tue, 17 Mar 2020 09:27:46 +0100
From:   Christian Brauner <christian.brauner@...ntu.com>
To:     Hridya Valsaraju <hridya@...gle.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Todd Kjos <tkjos@...roid.com>,
        LKML <linux-kernel@...r.kernel.org>, ard.biesheuvel@...aro.org,
        ardb@...nel.org,
        Arve Hjønnevåg <arve@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        John Stultz <john.stultz@...aro.org>,
        Android Kernel Team <kernel-team@...roid.com>,
        linux-kselftest@...r.kernel.org, Martijn Coenen <maco@...roid.com>,
        naresh.kamboju@...aro.org, shuah@...nel.org
Subject: Re: [PATCH v2 3/3] binderfs: add stress test for binderfs binder
 devices

On Mon, Mar 16, 2020 at 03:44:44PM -0700, Hridya Valsaraju wrote:
> On Fri, Mar 13, 2020 at 4:08 PM Kees Cook <keescook@...omium.org> wrote:
> >
> > On Fri, Mar 13, 2020 at 04:24:20PM +0100, Christian Brauner wrote:
> > > This adds a stress test that should hopefully help us catch regressions
> > > for [1], [2], and [3].
> > >
> > > [1]: 2669b8b0c798 ("binder: prevent UAF for binderfs devices")
> > > [2]: f0fe2c0f050d ("binder: prevent UAF for binderfs devices II")
> > > [3]: 211b64e4b5b6 ("binderfs: use refcount for binder control devices too")
> > > Cc: Kees Cook <keescook@...omium.org>:
> > > Signed-off-by: Christian Brauner <christian.brauner@...ntu.com>
> >
> > Reviewed-by: Kees Cook <keescook@...omium.org>
> >
> > -Kees
> >
> 
> Thank you for creating these tests Christian! I was able to get them
> running on the cuttlefish platform with the ACK android-mainline
> branch.

Thank you, Hridya!
Christian