linux-kernel - Re: kernel BUG at drivers/scsi/scsi

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:	Mon, 23 Nov 2015 07:55:44 +0100
From:	Hannes Reinecke <hare@...e.de>
To:	emilne@...hat.com
Cc:	Christoph Hellwig <hch@...radead.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Mark Salter <msalter@...hat.com>,
	"James E. J. Bottomley" <JBottomley@...n.com>,
	brking <brking@...ibm.com>, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-block@...r.kernel.org
Subject: Re: kernel BUG at drivers/scsi/scsi_lib.c:1096!

On 11/20/2015 04:28 PM, Ewan Milne wrote:
> On Fri, 2015-11-20 at 15:55 +0100, Hannes Reinecke wrote:
>> Can't we have a joint effort here?
>> I've been spending a _LOT_ of time trying to debug things here, but
>> none of the ideas I've come up with have been able to fix anything.
>
> Yes.  I'm not the one primarily looking at it, and we don't have a
> reproducer in-house.  We just have the one dump right now.
>
Oh, I got plenty of them :-(

>>
>> I'm almost tempted to increase the count from scsi_alloc_sgtable()
>> by one and be done with ...
>>
>
> That might not fix it if it is a problem with the merge code, though.
>
Of course not. But it'll be a band-aid to keep the customer happy.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		               zSeries & Storage
hare@...e.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

--
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/