linux-kernel - Re: [PATCH RESEND 1/2] scsi: vmw

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:   Thu, 19 Dec 2019 22:44:19 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Thomas Hellström (VMware) 
        <thomas_os@...pmail.org>
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        pv-drivers@...are.com, Thomas Hellstrom <thellstrom@...are.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Vishal Bhakta <vbhakta@...are.com>, Jim Gill <jgill@...are.com>
Subject: Re: [PATCH RESEND 1/2] scsi: vmw_pvscsi: Fix swiotlb operation


Thomas,

> With swiotlb, the first byte of the sense buffer may in some cases be
> uninitialized since we use DMA_FROM_DEVICE, and the device incorrectly
> doesn't clear it. In those cases, clear it after DMA unmapping.

Applied 1+2 to 5.6/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering