linux-kernel - Re: [4.14-rc1 x86] WARNING: kernel stack regs at f60bbb12 in swapper:1 has bad 'bp' value 0ba00000

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]

Date:   Tue, 3 Oct 2017 12:37:44 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc:     tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [4.14-rc1 x86] WARNING: kernel stack regs at f60bbb12 in
 swapper:1 has bad 'bp' value 0ba00000

On Tue, Oct 03, 2017 at 07:29:36PM +0900, Tetsuo Handa wrote:
> Tetsuo Handa wrote:
> > Tetsuo Handa wrote:
> > > Tetsuo Handa wrote:
> > > > I'm seeing below error between
> > > > 4898b99c261efe32 ("Merge tag 'acpi-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm") (git bisect good (presumably))
> > > > e6f3faa734a00c60 ("locking/lockdep: Fix workqueue crossrelease annotation") (git bisect bad) on linux.git .
> > > 
> > > F.Y.I. This error remains as of 46c1e79fee417f15 ("Merge branch 'perf-urgent-for-linus' of
> > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") on linux.git .
> > > 
> > 
> > This error still remains as of 6e80ecdddf4ea6f3 ("Merge branch 'libnvdimm-fixes'
> > of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm") on linux.git .
> > 
> > I'm suspecting that this error is causing very unstable x86_32 kernel.
> > It seems that this error occurs (though rare frequency) even on x86_64 kernel.
> > 
> > Nobody cares?
> > 
> 4.14-rc3 still trivially panics due to this error. Is this problem known?

Something for Josh, I guess.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.