From: "H. Peter Anvin" <hpa@zytor.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: "Richard Weinberger" <richard@nod.at>, "X86 ML" <x86@kernel.org>,
"Toralf Förster" <toralf.foerster@gmx.de>,
"Eric Paris" <eparis@redhat.com>,
"Linux Kernel" <linux-kernel@vger.kernel.org>
Subject: Re: 3.15: kernel BUG at kernel/auditsc.c:1525!
Date: Mon, 16 Jun 2014 14:58:33 -0700 [thread overview]
Message-ID: <539F6889.8040103@zytor.com> (raw)
In-Reply-To: <CALCETrUWpXWLn4wfV6wneOwX+12fbFZ2af=JrZiwq-5RGYiT4Q@mail.gmail.com>
>
> For 64-bit, I want to do this instead:
>
> https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git/commit/?h=x86/seccomp-fastpath&id=a5ec2d7af2c54b55fc7201fa662138b53fbbda39
>
> I see no reason why the 64-bit badsys code needs its own code path at
> all. I haven't sent it yet because AFAICT it doesn't fix any bug, and
> the series it's a part of isn't ready.
>
> I'm also contemplating rewriting the 64-bit syscall entry work path in C.
>
Cute... although it still leaves an extra branch for the badsys. It
might perform better than a cmov, but it might not.
-hpa
next prev parent reply other threads:[~2014-06-16 21:59 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-16 16:33 3.15: kernel BUG at kernel/auditsc.c:1525! Toralf Förster
2014-06-16 17:21 ` Richard Weinberger
2014-06-16 17:25 ` Andy Lutomirski
2014-06-16 17:29 ` Richard Weinberger
2014-06-16 17:32 ` Andy Lutomirski
2014-06-16 17:36 ` Toralf Förster
2014-06-16 17:50 ` Andy Lutomirski
2014-06-16 17:59 ` Toralf Förster
2014-06-16 18:15 ` Andy Lutomirski
2014-06-16 18:21 ` Toralf Förster
2014-06-16 18:24 ` Andy Lutomirski
2014-06-16 18:36 ` Toralf Förster
2014-06-16 20:41 ` Toralf Förster
2014-06-16 20:43 ` Richard Weinberger
2014-06-16 21:35 ` Andy Lutomirski
2014-06-16 21:48 ` H. Peter Anvin
2014-06-16 21:54 ` Andy Lutomirski
2014-06-16 21:58 ` H. Peter Anvin [this message]
2014-06-16 22:00 ` Andy Lutomirski
2014-06-20 15:41 ` Andy Lutomirski
2014-06-20 17:35 ` Toralf Förster
2014-06-23 21:04 ` Josh Boyer
2014-06-23 21:22 ` [PATCH] x86_32,entry: Do syscall exit work on badsys (CVE-2014-4508) Andy Lutomirski
2014-06-23 22:18 ` [tip:x86/urgent] x86_32, entry: Do syscall exit work on badsys ( CVE-2014-4508) tip-bot for Andy Lutomirski
2014-06-24 10:51 ` [PATCH] x86_32,entry: Do syscall exit work on badsys (CVE-2014-4508) Borislav Petkov
2014-06-24 20:53 ` Andy Lutomirski
2014-06-24 21:18 ` Borislav Petkov
2014-07-01 10:52 ` Quentin Casasnovas
2014-07-01 14:14 ` Andy Lutomirski
2014-06-17 15:38 ` 3.15: kernel BUG at kernel/auditsc.c:1525! Toralf Förster
2014-06-17 16:19 ` Andy Lutomirski
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=539F6889.8040103@zytor.com \
--to=hpa@zytor.com \
--cc=eparis@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=richard@nod.at \
--cc=toralf.foerster@gmx.de \
--cc=x86@kernel.org \
/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