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From: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@epam.com>
To: "Jürgen Groß" <jgross@suse.com>,
	"Oleksandr Andrushchenko" <andr2000@gmail.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"boris.ostrovsky@oracle.com" <boris.ostrovsky@oracle.com>,
	"airlied@linux.ie" <airlied@linux.ie>,
	"daniel@ffwll.ch" <daniel@ffwll.ch>
Cc: "intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>,
	"sstabellini@kernel.org" <sstabellini@kernel.org>,
	"dan.carpenter@oracle.com" <dan.carpenter@oracle.com>
Subject: Re: [PATCH 1/6] xen/gntdev: Fix dmabuf import with non-zero sgt offset
Date: Tue, 4 Aug 2020 06:34:10 +0000
Message-ID: <df1a02e7-e0e2-cbb1-3d30-9b17c44be6a6@epam.com> (raw)
In-Reply-To: <acf507b8-462a-1fa0-c54f-cc5c44d3cc55@suse.com>


On 8/4/20 9:11 AM, Jürgen Groß wrote:
> On 31.07.20 14:51, Oleksandr Andrushchenko wrote:
>> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>>
>> It is possible that the scatter-gather table during dmabuf import has
>> non-zero offset of the data, but user-space doesn't expect that.
>> Fix this by failing the import, so user-space doesn't access wrong data.
>>
>> Fixes: 37ccb44d0b00 ("xen/gntdev: Implement dma-buf import functionality")
>
> I can't find this commit in the tree. Did you mean bf8dc55b1358?
I'll double-check, thank you
>
> And don't you want to Cc stable for this patch, too?
Hm, yes, sounds reasonable
>
>>
>> Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>
> Acked-by: Juergen Gross <jgross@suse.com>
>
>
> Juergen

  reply index

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-31 12:51 [PATCH 0/6] Fixes and improvements for Xen pvdrm Oleksandr Andrushchenko
2020-07-31 12:51 ` [PATCH 1/6] xen/gntdev: Fix dmabuf import with non-zero sgt offset Oleksandr Andrushchenko
2020-08-04  6:11   ` Jürgen Groß
2020-08-04  6:34     ` Oleksandr Andrushchenko [this message]
2020-07-31 12:51 ` [PATCH 2/6] drm/xen-front: Fix misused IS_ERR_OR_NULL checks Oleksandr Andrushchenko
2020-08-04  6:12   ` Jürgen Groß
2020-08-04  6:35     ` Oleksandr Andrushchenko
2020-08-04  6:39       ` Jürgen Groß
2020-08-06  9:20       ` Dan Carpenter
2020-08-06  9:17   ` Dan Carpenter
2020-07-31 12:51 ` [PATCH 3/6] drm/xen-front: Add YUYV to supported formats Oleksandr Andrushchenko
2020-08-07  9:35   ` Noralf Trønnes
2020-07-31 12:51 ` [PATCH 4/6] xen: Sync up with the canonical protocol definition in Xen Oleksandr Andrushchenko
2020-08-04  6:14   ` Jürgen Groß
2020-07-31 12:51 ` [PATCH 5/6] drm/xen-front: Pass dumb buffer data offset to the backend Oleksandr Andrushchenko
2020-08-07  9:33   ` Noralf Trønnes
2020-07-31 12:51 ` [PATCH 6/6] drm/xen-front: Add support for EDID based configuration Oleksandr Andrushchenko
2020-08-05 14:35   ` [Intel-gfx] " kernel test robot

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