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From: "Ulrich Drepper" <drepper@gmail.com>
To: "Andi Kleen" <ak@suse.de>
Cc: "Daniel Jacobowitz" <dan@debian.org>,
	"Renzo Davoli" <renzo@cs.unibo.it>,
	osd@cs.unibo.it, linux-kernel@vger.kernel.org,
	alan@lxorguk.ukuu.org.uk, viro@ftp.linux.org.uk
Subject: Re: [PATCH] 2-ptrace_multi
Date: Fri, 19 May 2006 23:44:01 -0700	[thread overview]
Message-ID: <a36005b50605192344g1ba5091eq92c43d7cb52eb69d@mail.gmail.com> (raw)
In-Reply-To: <200605192217.30518.ak@suse.de>

On 5/19/06, Andi Kleen <ak@suse.de> wrote:
> Alan hacked on this iirc so he might comment.

Al Viro has a similar patch in the FC kernels to govern read access to
/proc/*/maps based on the ptrace permissions.  This is probably the
same problem.  If you can use ptrace on the target process there is no
security reason why /proc/*/mem access shouldn't be granted.

  reply	other threads:[~2006-05-20  6:44 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-18 15:53 ptrace enhancements for VM support (patch proposals follow in sep.msgs) Renzo Davoli
2006-05-18 15:56 ` [PATCH] 1-access_process_vm_user Renzo Davoli
2006-05-18 15:58 ` [PATCH] 2-ptrace_multi Renzo Davoli
2006-05-18 20:17   ` Andi Kleen
2006-05-18 21:13     ` Renzo Davoli
2006-05-19  2:23       ` Ulrich Drepper
2006-05-19  9:07         ` Renzo Davoli
2006-05-19 13:09           ` Daniel Jacobowitz
2006-05-19 17:45             ` Renzo Davoli
2006-05-19 19:15               ` Renzo Davoli
2006-05-19 20:15               ` Daniel Jacobowitz
2006-05-19 20:17                 ` Andi Kleen
2006-05-20  6:44                   ` Ulrich Drepper [this message]
2006-05-20 14:37                   ` Alan Cox
2006-05-20 18:30                     ` Renzo Davoli
2006-05-20 20:23                       ` Ulrich Drepper
2006-05-20 21:39                       ` Jeff Dike
2006-05-21 12:38                         ` Avi Kivity
2006-05-21 15:28                         ` Renzo Davoli
2006-05-22 13:02                           ` Daniel Jacobowitz
2006-05-22 15:05                             ` Renzo Davoli
2006-05-22 15:26                               ` Daniel Jacobowitz
2006-05-18 16:07 ` [PATCH] 3-ptrace_vm Renzo Davoli
2006-05-21  8:03 ` ptrace enhancements for VM support (patch proposals follow in sep.msgs) Peter Chubb

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