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From: P J P <ppandit@redhat.com>
To: "Ding, Ren" <rding@gatech.edu>, Alexander Bulekov <alxndr@bu.edu>
Cc: "Fam Zheng" <fam@euphon.net>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"QEMU Developers" <qemu-devel@nongnu.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>
Subject: Re: [PATCH 0/2] use unsigned type for MegasasState fields
Date: Thu, 14 May 2020 01:04:33 +0530 (IST)	[thread overview]
Message-ID: <nycvar.YSQ.7.76.2005140056040.1451610@xnncv> (raw)
In-Reply-To: <1F5C89FF-377C-48F4-B873-B1E88274566B@gatech.edu>

[-- Attachment #1: Type: text/plain, Size: 716 bytes --]

  Hello Ren, Alex,

+-- On Wed, 13 May 2020, Ding, Ren wrote --+
| We couldn’t reproduce the bug with the patch provided by our reproducer 
| earlier, though we did not dig into the details of it. Meanwhile, we do also 
| see the null pointer dereference crash with the current upstream 
| (https://bugs.launchpad.net/qemu/+bug/1878259).

* Yes, I was able to reproduce both OOB access and NULL dereference issues 
  with Alex's reproducers.

* I have sent revised patches v2 with you in CC. I've tested the patches, 
  still please kindly confirm if they work for you OR if you see anything 
  amiss.

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
8685 545E B54C 486B C6EB 271E E285 8B5A F050 DE8D

  reply	other threads:[~2020-05-13 19:36 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-07 10:57 [PATCH 0/2] use unsigned type for MegasasState fields P J P
2020-05-07 10:57 ` [PATCH 1/2] megasas: use unsigned type for reply_queue_head P J P
2020-05-12 18:52   ` Peter Maydell
2020-05-13 11:20     ` P J P
2020-05-07 10:57 ` [PATCH 2/2] megasas: use unsigned type for positive numeric fields P J P
2020-05-12 18:53   ` Peter Maydell
2020-05-13 11:22     ` P J P
2020-05-12 12:21 ` [PATCH 0/2] use unsigned type for MegasasState fields P J P
2020-05-12 13:42 ` Philippe Mathieu-Daudé
2020-05-12 18:37   ` P J P
2020-05-12 19:08     ` Alexander Bulekov
2020-05-12 19:48       ` Alexander Bulekov
2020-05-12 20:59         ` Philippe Mathieu-Daudé
2020-05-12 21:00           ` Alexander Bulekov
2020-05-13 11:13         ` P J P
2020-05-13 13:49         ` P J P
2020-05-13 14:20           ` Alexander Bulekov
2020-05-13 14:53             ` P J P
2020-05-13 17:08               ` Ding, Ren
2020-05-13 19:34                 ` P J P [this message]
2020-05-13 14:53           ` Alexander Bulekov
     [not found]     ` <BN6PR07MB341283EBBF78F86AAA995382CABE0@BN6PR07MB3412.namprd07.prod.outlook.com>
2020-05-12 20:54       ` 回复: " Philippe Mathieu-Daudé
2020-05-13 11:07         ` P J P

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