linux-kernel - Re: [Bug #14011] Kernel paging request failed in kmem_cache

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: <1251299301.2308.31.camel@dhcp231-106.rdu.redhat.com>
Date:	Wed, 26 Aug 2009 11:08:21 -0400
From:	Eric Paris <eparis@...hat.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Matthias Dahl <ml_kernel@...tal-soul.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: [Bug #14011] Kernel paging request failed in kmem_cache_alloc

On Wed, 2009-08-26 at 17:59 +0300, Pekka Enberg wrote:
> On Wed, Aug 26, 2009 at 5:01 PM, Matthias Dahl<ml_kernel@...tal-soul.de> wrote:
> >> Can you reproduce the bug without the proprietary nvidia module that
> >> seems to be loaded?
> >
> > I am sorry but I forgot to test that and right now I am not very keen on
> > trying again since this is my primary machine and I had quite some fs
> > corruption (ext4 on md raid5 -> no barriers) the last times. :-( But this also
> > happened w/o Xorg ever being run during that session (though naturally the
> > nvidia kernel module was still loaded).
> 
> Sure, I can understand that. The bug looks like regular slab
> corruption which could have been caused the nvidia blob. So I think
> the issue should be closed unless someone can reproduce it without the
> blob.
> 
> That said, sys_inotify_add_watch() also appears in the trace and
> there's been quite a few bug fixes in that area recently so I guess we
> should CC Eric Paris just in case the oops rings a bell to him.

Nope, no bells here  :(   That slab cache is declared globally and
allocated at __init time.  I haven't seen any reports of writes off the
ends of marks which might mess up a chache...  sorry.....

-Eric

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/