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Date:      Tue, 26 Apr 2016 14:17:31 -0700
From:      Conrad Meyer <cem@FreeBSD.org>
To:        Adrian Chadd <adrian.chadd@gmail.com>
Cc:        Shawn Webb <shawn.webb@hardenedbsd.org>, Kristof Provost <kp@freebsd.org>,  "src-committers@freebsd.org" <src-committers@freebsd.org>,  "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>,  "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>
Subject:   Re: svn commit: r298664 - head/sys/fs/msdosfs
Message-ID:  <CAG6CVpVfOvV6z3WD3USN3W%2Bt7DYw3usB36QLNfTpo4RxoaSRcA@mail.gmail.com>
In-Reply-To: <CAJ-Vmo=42xj-G5hcV6ZHcr=BdnyV-R2y1HDbpJ3gmxyyMBdg4Q@mail.gmail.com>
References:  <201604262036.u3QKaWto038435@repo.freebsd.org> <20160426210138.GA13055@mutt-hardenedbsd> <CAG6CVpUxSrBZJ9GkpBrHCK12c%2BeWmP%2BnuQaoiKcN%2B%2BkTuvm2dA@mail.gmail.com> <CAJ-Vmo=42xj-G5hcV6ZHcr=BdnyV-R2y1HDbpJ3gmxyyMBdg4Q@mail.gmail.com>

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On Tue, Apr 26, 2016 at 2:13 PM, Adrian Chadd <adrian.chadd@gmail.com> wrote:
> You mean "hotplug mount a malicious USB disk via some installed
> graphical enviornment?"
>
> NOone does that... :)

Sure, but there the vulnerability is (IMO) that users are allowed to
arbitrarily mount stuff.  That's a huge attack surface and this fix
only scratches the surface.

We do need to make filesystems more resilient to malice.  AFL?

Best,
Conrad



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