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From: Florian Weimer <fweimer@redhat.com>
To: Ram Pai <linuxram@us.ibm.com>
Cc: Linux-MM <linux-mm@kvack.org>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Andy Lutomirski <luto@kernel.org>,
	Dave Hansen <dave.hansen@intel.com>
Subject: Re: pkeys on POWER: Access rights not reset on execve
Date: Tue, 12 Jun 2018 14:17:21 +0200	[thread overview]
Message-ID: <c2931344-d2e8-46c0-b70c-97567ae7f7a0@redhat.com> (raw)
In-Reply-To: <20180611200807.GA5773@ram.oc3035372033.ibm.com>

On 06/11/2018 10:08 PM, Ram Pai wrote:
> Ok. try this patch. This patch is on top of the 5 patches that I had
> sent last week i.e  "[PATCH  0/5] powerpc/pkeys: fixes to pkeys"
> 
> The following is a draft patch though to check if it meets your
> expectations.
> 
> commit fe53b5fe2dcb3139ea27ade3ae7cbbe43c4af3be
> Author: Ram Pai<linuxram@us.ibm.com>
> Date:   Mon Jun 11 14:57:34 2018 -0500
> 
>      powerpc/pkeys: Deny read/write/execute by default

With this patch, my existing misc/tst-pkey test in glibc passes.  The 
in-tree version still has some incorrect assumptions on implementation 
behavior, but those are test bugs.  The kernel behavior with your patch 
look good to me.  Thanks.

Florian

  reply	other threads:[~2018-06-12 12:17 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-18 14:27 pkeys on POWER: Access rights not reset on execve Florian Weimer
2018-05-19  1:19 ` Ram Pai
2018-05-19  1:50   ` Andy Lutomirski
2018-05-19  5:26     ` Florian Weimer
2018-05-19 20:27     ` Ram Pai
2018-05-19 23:47       ` Andy Lutomirski
2018-05-20  6:04         ` Ram Pai
2018-05-20  6:06           ` Andy Lutomirski
2018-05-20 19:11             ` Ram Pai
2018-05-21 11:29               ` Florian Weimer
2018-06-03 20:18                 ` Ram Pai
2018-06-04 10:12                   ` Florian Weimer
2018-06-04 14:01                     ` Ram Pai
2018-06-04 17:57                       ` Florian Weimer
2018-06-04 19:02                         ` Ram Pai
2018-06-04 19:02                           ` Ram Pai
2018-06-04 21:00                           ` Florian Weimer
2018-06-08  2:34                             ` Ram Pai
2018-06-08  5:53                               ` Florian Weimer
2018-06-08 10:15                                 ` Michal Suchánek
2018-06-08 10:44                                   ` Florian Weimer
2018-06-08 10:44                                     ` Florian Weimer
2018-06-08 12:54                                     ` Michal Suchánek
2018-06-08 12:54                                       ` Michal Suchánek
2018-06-08 12:57                                       ` Florian Weimer
2018-06-08 12:57                                         ` Florian Weimer
2018-06-08 13:49                                         ` Michal Suchánek
2018-06-08 13:49                                           ` Michal Suchánek
2018-06-08 13:51                                           ` Florian Weimer
2018-06-08 13:51                                             ` Florian Weimer
2018-06-08 14:17                                             ` Michal Suchánek
2018-06-08 14:17                                               ` Michal Suchánek
2018-06-11 17:23                                 ` Ram Pai
2018-06-11 17:29                                   ` Florian Weimer
2018-06-11 20:08                                     ` Ram Pai
2018-06-12 12:17                                       ` Florian Weimer [this message]
2018-05-19  5:12   ` Florian Weimer
2018-05-19 11:11   ` Florian Weimer
2018-05-19 11:11     ` Florian Weimer

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