Re: [PATCH 1/6] xen/gntdev: Fix dmabuf import with non-zero sgt offset

2020-08-04 Thread Oleksandr Andrushchenko

On 8/4/20 9:11 AM, Jürgen Groß wrote:
> On 31.07.20 14:51, Oleksandr Andrushchenko wrote:
>> From: Oleksandr Andrushchenko 
>>
>> 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 
>
> Acked-by: Juergen Gross 
>
>
> Juergen

Re: [PATCH 1/6] xen/gntdev: Fix dmabuf import with non-zero sgt offset

2020-08-04 Thread Jürgen Groß

On 31.07.20 14:51, Oleksandr Andrushchenko wrote:

From: Oleksandr Andrushchenko 

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?

And don't you want to Cc stable for this patch, too?



Signed-off-by: Oleksandr Andrushchenko 


Acked-by: Juergen Gross 


Juergen