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From: Hannes Reinecke <hare@suse.de>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	SCSI development list <linux-scsi@vger.kernel.org>,
	Dmitry Vyukov <dvyukov@google.com>,
	richard@r-senior.demon.co.uk, ltuikov@yahoo.com,
	Andrey Konovalov <andreyknvl@google.com>,
	Kostya Serebryany <kcc@google.com>
Subject: Re: [PATCH] SCSI: Fix potential out-of-bounds access in drivers/scsi/sd.c
Date: Mon, 09 Sep 2013 08:25:30 +0200	[thread overview]
Message-ID: <522D69DA.2070103@suse.de> (raw)
In-Reply-To: <522A01AB.4010508@redhat.com>

On 09/06/2013 06:24 PM, Paolo Bonzini wrote:
> Il 06/09/2013 17:49, Alan Stern ha scritto:
>> This patch fixes an out-of-bounds error in sd_read_cache_type(), found
>> by Google's AddressSanitizer tool.  When the loop ends, we know that
>> "offset" lies beyond the end of the data in the buffer, so no Caching
>> mode page was found.  In theory it may be present, but the buffer size
>> is limited to 512 bytes.
>>
>> Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
>> Reported-by: Dmitry Vyukov <dvyukov@google.com>
>> CC: <stable@vger.kernel.org>
> 
> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
> 
Acked-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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  reply	other threads:[~2013-09-09  6:25 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-04  0:31 Potential out-of-bounds access in drivers/scsi/sd.c Dmitry Vyukov
2013-09-04 14:32 ` Alan Stern
2013-09-04 14:45   ` Paolo Bonzini
2013-09-04 15:42     ` Alan Stern
2013-09-05 13:38       ` Hannes Reinecke
2013-09-06 15:49         ` [PATCH] SCSI: Fix potential " Alan Stern
2013-09-06 16:24           ` Paolo Bonzini
2013-09-09  6:25             ` Hannes Reinecke [this message]
2013-09-04 15:37   ` Potential " Dmitry Vyukov
2013-09-04 15:42     ` Alan Stern

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