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From: Oleg Nesterov <oleg@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Will Drewry <wad@chromium.org>,
	torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
	keescook@chromium.org, john.johansen@canonical.com,
	serge.hallyn@canonical.com, coreyb@linux.vnet.ibm.com,
	pmoore@redhat.com, eparis@redhat.com, djm@mindrot.org,
	segoon@openwall.com, rostedt@goodmis.org, jmorris@namei.org,
	scarybeasts@gmail.com, avi@redhat.com, penberg@cs.helsinki.fi,
	viro@zeniv.linux.org.uk, luto@MIT.EDU, mingo@elte.hu,
	akpm@linux-foundation.org, khilman@ti.com,
	borislav.petkov@amd.com, amwang@redhat.com, ak@linux.intel.com,
	eric.dumazet@gmail.com, gregkh@suse.de, dhowells@redhat.com,
	daniel.lezcano@free.fr, linux-fsdevel@vger.kernel.org,
	linux-security-module@vger.kernel.org, olofj@chromium.org,
	mhalcrow@google.com, dlaor@redhat.com, corbet@lwn.net,
	alan@lxorguk.ukuu.org.uk
Subject: Re: [PATCH] Add PR_{GET,SET}_NO_NEW_PRIVS to prevent execve from granting privs
Date: Fri, 13 Jan 2012 17:45:47 +0100	[thread overview]
Message-ID: <20120113164547.GA22061@redhat.com> (raw)
In-Reply-To: <e2f7f5ab9f24294a6b4ef8b6a7eaa760e414d777.1326420331.git.luto@amacapital.net>

On 01/12, Andy Lutomirski wrote:
>
> --- a/kernel/fork.c
> +++ b/kernel/fork.c
> @@ -1117,6 +1117,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
>  	if (retval < 0)
>  		goto bad_fork_free;
>  
> +	p->no_new_privs = current->no_new_privs;

unnecessary, this is copied by dup_task_struct().

Oleg.

  parent reply	other threads:[~2012-01-13 16:45 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-13  2:12 [PATCH] Add PR_{GET,SET}_NO_NEW_PRIVS to prevent execve from granting privs Andy Lutomirski
2012-01-13  5:58 ` Kees Cook
2012-01-13  5:58   ` Kees Cook
2012-01-13  6:02   ` Andy Lutomirski
2012-01-13  6:02     ` Andy Lutomirski
2012-01-13  6:09     ` Kees Cook
2012-01-13  6:09       ` Kees Cook
2012-01-13  7:27       ` John Johansen
2012-01-13 13:45 ` John Johansen
2012-01-13 16:45 ` Oleg Nesterov [this message]
2012-01-13 18:24   ` Alan Cox
2012-01-13 18:54     ` Eric Paris
2012-01-13 19:00     ` Andy Lutomirski
2012-01-13 19:12       ` Linus Torvalds
2012-01-13 19:39         ` Andy Lutomirski
2012-01-13 19:45           ` Linus Torvalds
2012-01-13 19:45             ` Linus Torvalds
2012-01-13 20:05             ` Andy Lutomirski
2012-01-13 20:05               ` Andy Lutomirski
2012-01-13 20:13               ` Linus Torvalds
2012-01-13 20:13                 ` Linus Torvalds
2012-01-13 20:19                 ` Andy Lutomirski
2012-01-13 20:19                   ` Andy Lutomirski
2012-01-13 20:13             ` Eric Paris
2012-01-13 21:13               ` Linus Torvalds
2012-01-13 21:13                 ` Linus Torvalds
2012-01-14 13:55           ` Jamie Lokier
2012-01-17 23:57 ` Eric W. Biederman
2012-01-18  0:22   ` Andy Lutomirski
2012-01-18  0:22     ` Andy Lutomirski
  -- strict thread matches above, loose matches on Subject: below --
2012-01-14 15:17 Eric Paris
2012-01-14 16:04 ` Andy Lutomirski
2012-01-14 16:04   ` Andy Lutomirski

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