linux-kernel - Re: [PATCH V2 net] net: hns: Fix the device being used for dma mapping during TX

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] [day] [month] [year] [list]

Date:   Fri, 10 Feb 2017 13:40:53 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     salil.mehta@...wei.com
Cc:     yisen.zhuang@...wei.com, mehta.salil.lnk@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com, yankejian@...wei.com
Subject: Re: [PATCH V2 net] net: hns: Fix the device being used for dma
 mapping during TX

From: Salil Mehta <salil.mehta@...wei.com>
Date: Thu, 9 Feb 2017 11:46:15 +0000

> From: Kejian Yan <yankejian@...wei.com>
> 
> This patch fixes the device being used to DMA map skb->data.
> Erroneous device assignment causes the crash when SMMU is enabled.
> This happens during TX since buffer gets DMA mapped with device
> correspondign to net_device and gets unmapped using the device
> related to DSAF.
> 
> Signed-off-by: Kejian Yan <yankejian@...wei.com>
> Reviewed-by: Yisen Zhuang <yisen.zhuang@...wei.com>
> Signed-off-by: Salil Mehta <salil.mehta@...wei.com>

Applied, thank you.