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Date:      Mon, 17 Jun 2019 19:04:05 +0000
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Mark Johnston <markj@freebsd.org>, Fuqian Huang <huangfq.daxian@gmail.com>, FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: dev:md: A kernel address leakage in sys/dev/md/md.c
Message-ID:  <2464.1560798245@critter.freebsd.dk>
In-Reply-To: <CANCZdfrK2V9AEzeib8GV=26YUVV8qFweRbvmbCe%2BEZQBaz2hJQ@mail.gmail.com>
References:  <CABXRUiSGuH-dLX3mJhmMTfm4qs%2BYsnCTimQkh=uxuaA8=U0Xcg@mail.gmail.com> <20190617162514.GC64731@raichu> <CANCZdfrK2V9AEzeib8GV=26YUVV8qFweRbvmbCe%2BEZQBaz2hJQ@mail.gmail.com>

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--------
In message <CANCZdfrK2V9AEzeib8GV=3D26YUVV8qFweRbvmbCe+EZQBaz2hJQ@mail.gma=
il.com>
, Warner Losh writes:

>If we are serious about this, [...]

then sysctl kern.geom "leaks" a lot of pointers...

-- =

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    =

Never attribute to malice what can adequately be explained by incompetence=
.



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