linux-kernel - Re: [PATCH 1/5] pagemap: Modify add_to_pagemap to use copy_to_user instead of put

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1212692763.3953.196.camel@calx>
Date:	Thu, 05 Jun 2008 14:06:03 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Thomas Tuttle <ttuttle@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] pagemap: Modify add_to_pagemap to use copy_to_user
	instead of put_user.


On Thu, 2008-06-05 at 12:02 -0700, Andrew Morton wrote:
> On Thu, 5 Jun 2008 11:04:21 -0400
> "Thomas Tuttle" <ttuttle@...gle.com> wrote:
> 
> > While fiddling with pagemap, I discovered a bug in add_to_pagemap.
> 
> so...  afaict we have some fairly significant problems in here and a
> version 2 of the patchset is in order?
> 
> If so, when preparing that patchset please do have a think about which
> of the fixes you believe should be backported into 2.6.25.x and prepare
> the patches so that those fixes come first, to ease that backporting.

For 2.6.25.x, we should probably just add a cast to the put_user dest.
Thomas?

-- 
Mathematics is the supreme nostalgia of our time.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/