lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 21 Jul 2014 10:23:25 -0700
From:	Andy Lutomirski <>
To:	"H. Peter Anvin" <>
Cc:	Sven Wegener <>,
	Richard Weinberger <>, X86 ML <>,
	Eric Paris <>,
	Linux Kernel <>,
	Steven Rostedt <>,
	Borislav Petkov <>,
	Toralf Förster <>,
	stable <>,
	Roland McGrath <>,
	Josh Boyer <>
Subject: Re: [PATCH] x86_32, entry: store badsys error code in %eax

On Mon, Jul 21, 2014 at 10:20 AM, H. Peter Anvin <> wrote:
> On 07/21/2014 09:53 AM, Andy Lutomirski wrote:
>> On Sun, Jul 20, 2014 at 3:07 PM, H. Peter Anvin <> wrote:
>>> This is not a subtle regression at all.  It is in fact a very very serious one.
>> Indeed.
>> Does this really work correctly on sysenter?  It sure looks like the
>> sysenter path has the same problem.
>> Grr.  I'm not set up to properly test 32-bit kernels.  The patch looks
>> correct, but I'm obviously not an infallible authority on "looking
>> correct" when it comes to entry_32.S.
>> --Andy
> KVM is great for that sort of things.

This may finally inspire me to teach virtme how to boot an alternate
root.  I got sick of dealing with VM images awhile ago.


>         -hpa

Andy Lutomirski
AMA Capital Management, LLC
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists