linux-kernel - Re: Fwd: [Bug 150021] New: kernel panic: "kernel tried to execute NX-protected page" when resuming from hibernate to disk

lists.openwall.net		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]

Message-ID: <20160726143905.xyiryey7weymscix@treble>
Date:	Tue, 26 Jul 2016 09:39:05 -0500
From:	Josh Poimboeuf <jpoimboe@...hat.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...e.de>,
	Pavel Machek <pavel@....cz>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>, shuzzle@...lbox.org
Subject: Re: Fwd: [Bug 150021] New: kernel panic: "kernel tried to execute
 NX-protected page" when resuming from hibernate to disk

On Tue, Jul 26, 2016 at 01:32:28PM +0200, Rafael J. Wysocki wrote:
> Hi,
> 
> The following commit:
> 
> commit 13523309495cdbd57a0d344c0d5d574987af007f
> Author: Josh Poimboeuf <jpoimboe@...hat.com>
> Date:   Thu Jan 21 16:49:21 2016 -0600
> 
>     x86/asm/acpi: Create a stack frame in do_suspend_lowlevel()
>     
>     do_suspend_lowlevel() is a callable non-leaf function which doesn't
>     honor CONFIG_FRAME_POINTER, which can result in bad stack traces.
>     
>     Create a stack frame for it when CONFIG_FRAME_POINTER is enabled.
> 
> is reported to cause a resume-from-hibernation regression due to an attempt
> to execute an NX page (we've seen quite a bit of that recently).
> 
> I'm asking the reporter to try 4.7, but if the problem is still there, we'll
> need to revert the above I'm afraid.

Hi Rafael,

Is the oops output available somewhere?

-- 
Josh