From: "Zack Weinberg" <zackw@Stanford.EDU>
To: "David S. Miller" <davem@redhat.com>
Cc: linux-kernel@vger.kernel.org, tridge@samba.org
Subject: Re: 2.2 PATCH: check return from copy_*_user in fs/pipe.c
Date: Tue, 19 Jun 2001 19:48:27 -0700 [thread overview]
Message-ID: <20010619194827.F5679@stanford.edu> (raw)
In-Reply-To: <15152.1911.886630.381952@pizda.ninka.net>
On Tue, Jun 19, 2001 at 07:16:23PM -0700, David S. Miller wrote:
>
> Zack Weinberg writes:
> > The anonymous pipe code in 2.2 does not check the return value of
> > copy_*_user. This can lead to silent loss of data.
>
> I remember Andrew Tridgell (cc:'d) spotting this a long time
> ago, and we didn't fix it, and I forget what the reason was.
It *has* been fixed in 2.4, though. Some sort of compatibility issue?
--
zw This APT has Super Cow Powers.
-- apt-get 0.5
next prev parent reply other threads:[~2001-06-20 2:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-20 2:08 2.2 PATCH: check return from copy_*_user in fs/pipe.c Zack Weinberg
2001-06-20 2:16 ` David S. Miller
2001-06-20 2:48 ` Zack Weinberg [this message]
2001-06-20 2:52 ` David S. Miller
2001-06-20 3:59 ` Zack Weinberg
2001-06-20 4:01 ` David S. Miller
2001-06-20 5:14 ` Linus Torvalds
2001-06-20 4:33 ` Andrew Tridgell
2001-06-20 15:52 ` Hugh Dickins
-- strict thread matches above, loose matches on Subject: below --
2001-06-21 3:26 Zack Weinberg
2001-06-21 3:44 ` David S. Miller
2001-06-21 6:10 ` Zack Weinberg
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