lkml.org 
[lkml]   [2019]   [May]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Drivers: hv: vmbus: Fix virt_to_hvpfn() for X86_PAE
On Tue, May 07, 2019 at 12:51:51PM +0000, Michael Kelley wrote:
>From: Dexuan Cui <decui@microsoft.com> Sent: Tuesday, May 7, 2019 12:47 AM
>>
>> In the case of X86_PAE, unsigned long is u32, but the physical address type
>> should be u64. Due to the bug here, the netvsc driver can not load
>> successfully, and sometimes the VM can panic due to memory corruption (the
>> hypervisor writes data to the wrong location).
>>
>> Fixes: 6ba34171bcbd ("Drivers: hv: vmbus: Remove use of slow_virt_to_phys()")
>> Cc: stable@vger.kernel.org
>> Cc: Michael Kelley <mikelley@microsoft.com>
>> Reported-and-tested-by: Juliana Rodrigueiro <juliana.rodrigueiro@intra2net.com>
>> Signed-off-by: Dexuan Cui <decui@microsoft.com>
>
>Reviewed-by: Michael Kelley <mikelley@microsoft.com>

Queued for hyperv-fixes, thanks!

--
Thanks,
Sasha

\
 
 \ /
  Last update: 2019-05-09 03:07    [W:0.033 / U:0.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site