From: Sasha Levin <sashal@kernel.org>
To: Michael Kelley <mikelley@microsoft.com>
Cc: Dexuan Cui <decui@microsoft.com>,
"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
Stephen Hemminger <sthemmin@microsoft.com>,
Sasha Levin <Alexander.Levin@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
KY Srinivasan <kys@microsoft.com>,
"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>,
"juliana.rodrigueiro@intra2net.com"
<juliana.rodrigueiro@intra2net.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"marcelo.cerri@canonical.com" <marcelo.cerri@canonical.com>,
"apw@canonical.com" <apw@canonical.com>,
"olaf@aepfle.de" <olaf@aepfle.de>, vkuznets <vkuznets@redhat.com>,
"jasowang@redhat.com" <jasowang@redhat.com>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH] Drivers: hv: vmbus: Fix virt_to_hvpfn() for X86_PAE
Date: Wed, 8 May 2019 21:06:00 -0400 [thread overview]
Message-ID: <20190509010600.GQ1747@sasha-vm> (raw)
In-Reply-To: <DM5PR2101MB09188A7DB0777CD50333F94ED7310@DM5PR2101MB0918.namprd21.prod.outlook.com>
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
next prev parent reply other threads:[~2019-05-09 1:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-07 7:46 [PATCH] Drivers: hv: vmbus: Fix virt_to_hvpfn() for X86_PAE Dexuan Cui
2019-05-07 12:51 ` Michael Kelley
2019-05-09 1:06 ` Sasha Levin [this message]
2019-08-20 15:51 ` Juliana Rodrigueiro
2019-08-20 16:51 ` Sasha Levin
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