From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Peter Zijlstra <peterz@infradead.org>, <tglx@linutronix.de>,
<linux-kernel@vger.kernel.org>
Cc: <hch@infradead.org>, <sean.j.christopherson@intel.com>,
<mingo@redhat.com>, <bp@alien8.de>, <hpa@zytor.com>,
<x86@kernel.org>, <kenny@panix.com>, <jeyu@kernel.org>,
<rasmus.villemoes@prevas.dk>, <pbonzini@redhat.com>,
<fenghua.yu@intel.com>, <xiaoyao.li@intel.com>,
<nadav.amit@gmail.com>, <thellstrom@vmware.com>,
<tony.luck@intel.com>, <rostedt@goodmis.org>,
<gregkh@linuxfoundation.org>, <jannh@google.com>,
<keescook@chromium.org>, <David.Laight@aculab.com>,
<dcovelli@vmware.com>, <mhiramat@kernel.org>
Subject: Re: [PATCH 0/4] x86/module: Out-of-tree module decode and sanitize
Date: Tue, 7 Apr 2020 18:23:27 +0100 [thread overview]
Message-ID: <a53a01b9-2907-4eb3-a9fd-16e6e8029028@citrix.com> (raw)
In-Reply-To: <20200407110236.930134290@infradead.org>
On 07/04/2020 12:02, Peter Zijlstra wrote:
> Hi all,
>
> Driven by the SLD vs VMX interaction, here are some patches that provide means
> to analyze the text of out-of-tree modules.
>
> The first user of that is refusing to load modules on VMX-SLD conflicts, but it
> also has a second patch that refulses to load any module that tries to modify
> CRn/DRn.
>
> I'm thinking people will quickly come up with more and more elaborate tests to
> which to subject out-of-tree modules.
Anything playing with LGDT & friends? Shouldn't be substantially more
elaborate than CR/DR to check for.
~Andrew
next prev parent reply other threads:[~2020-04-07 17:23 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-07 11:02 [PATCH 0/4] x86/module: Out-of-tree module decode and sanitize Peter Zijlstra
2020-04-07 11:02 ` [PATCH 1/4] module: Expose load_info to arch module loader code Peter Zijlstra
2020-04-07 16:52 ` Kees Cook
2020-04-07 11:02 ` [PATCH 2/4] module: Convert module_finalize() to load_info Peter Zijlstra
2020-04-07 16:53 ` Kees Cook
2020-04-07 11:02 ` [PATCH 3/4] x86,module: Detect VMX vs SLD conflicts Peter Zijlstra
2020-04-07 14:35 ` Greg KH
2020-04-07 14:44 ` Paolo Bonzini
2020-04-07 14:55 ` Greg KH
2020-04-07 14:49 ` Steven Rostedt
2020-04-07 15:24 ` Peter Zijlstra
2020-04-07 15:28 ` Paolo Bonzini
2020-04-07 15:44 ` Greg KH
2020-04-07 16:51 ` Masami Hiramatsu
2020-04-07 17:16 ` Andrew Cooper
2020-04-07 23:59 ` Masami Hiramatsu
2020-04-08 7:25 ` Masami Hiramatsu
2020-04-07 18:26 ` kbuild test robot
2020-04-07 21:25 ` David Laight
2020-04-07 23:15 ` Kees Cook
2020-04-08 2:10 ` Xiaoyao Li
2020-04-08 8:09 ` Masami Hiramatsu
2020-04-08 9:56 ` Peter Zijlstra
2020-04-08 10:15 ` Andrew Cooper
2020-04-10 11:25 ` Masami Hiramatsu
2020-04-07 11:02 ` [PATCH 4/4] x86,module: Detect CRn and DRn manipulation Peter Zijlstra
2020-04-07 17:01 ` Kees Cook
2020-04-07 18:13 ` Peter Zijlstra
2020-04-07 18:49 ` Kees Cook
2020-04-07 18:55 ` Nadav Amit
2020-04-07 19:38 ` Peter Zijlstra
2020-04-07 20:27 ` Nadav Amit
2020-04-07 20:50 ` Peter Zijlstra
2020-04-07 21:22 ` Nadav Amit
2020-04-07 21:27 ` Peter Zijlstra
2020-04-07 22:12 ` Paolo Bonzini
2020-04-07 23:51 ` Nadav Amit
2020-04-08 8:45 ` Peter Zijlstra
2020-04-08 5:18 ` Christoph Hellwig
2020-04-07 23:15 ` Andrew Cooper
2020-04-08 0:22 ` Paolo Bonzini
2020-04-08 8:37 ` Peter Zijlstra
2020-04-08 9:52 ` Andrew Cooper
2020-04-07 21:48 ` Steven Rostedt
2020-04-08 5:58 ` Jan Kiszka
2020-04-08 8:03 ` Paolo Bonzini
2020-04-08 8:58 ` Jan Kiszka
2020-04-08 9:04 ` Paolo Bonzini
2020-04-08 10:45 ` Jan Kiszka
2020-04-08 8:51 ` Peter Zijlstra
2020-04-08 8:59 ` Jan Kiszka
2020-04-08 9:25 ` David Laight
2020-04-08 11:13 ` Jan Kiszka
2020-04-08 11:17 ` David Laight
2020-04-08 9:13 ` Peter Zijlstra
2020-04-08 10:50 ` Jan Kiszka
2020-04-08 13:27 ` Steven Rostedt
2020-04-08 15:44 ` Peter Zijlstra
2020-04-08 15:46 ` Christoph Hellwig
2020-04-08 16:02 ` Sean Christopherson
2020-04-08 16:15 ` Paolo Bonzini
2020-04-09 8:56 ` Peter Zijlstra
2020-04-09 10:13 ` Nadav Amit
2020-04-09 21:13 ` Thomas Gleixner
2020-04-09 22:18 ` Steven Rostedt
2020-04-10 5:37 ` Nadav Amit
2020-04-08 15:54 ` Jessica Yu
2020-04-07 17:23 ` Andrew Cooper [this message]
2020-04-07 19:41 ` [PATCH 0/4] x86/module: Out-of-tree module decode and sanitize Peter Zijlstra
2020-04-07 20:11 ` Andrew Cooper
2020-04-07 20:45 ` Peter Zijlstra
2020-04-07 21:21 ` Andrew Cooper
2020-04-07 20:21 ` Andrew Cooper
2020-04-07 20:48 ` Peter Zijlstra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a53a01b9-2907-4eb3-a9fd-16e6e8029028@citrix.com \
--to=andrew.cooper3@citrix.com \
--cc=David.Laight@aculab.com \
--cc=bp@alien8.de \
--cc=dcovelli@vmware.com \
--cc=fenghua.yu@intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=hch@infradead.org \
--cc=hpa@zytor.com \
--cc=jannh@google.com \
--cc=jeyu@kernel.org \
--cc=keescook@chromium.org \
--cc=kenny@panix.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mhiramat@kernel.org \
--cc=mingo@redhat.com \
--cc=nadav.amit@gmail.com \
--cc=pbonzini@redhat.com \
--cc=peterz@infradead.org \
--cc=rasmus.villemoes@prevas.dk \
--cc=rostedt@goodmis.org \
--cc=sean.j.christopherson@intel.com \
--cc=tglx@linutronix.de \
--cc=thellstrom@vmware.com \
--cc=tony.luck@intel.com \
--cc=x86@kernel.org \
--cc=xiaoyao.li@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).