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From: Dave Hansen <dave.hansen@intel.com>
To: Dionna Amalie Glaze <dionnaglaze@google.com>,
	Kuppuswamy Sathyanarayanan 
	<sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, Shuah Khan <shuah@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	"H . Peter Anvin" <hpa@zytor.com>,
	"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
	Tony Luck <tony.luck@intel.com>,
	Wander Lairson Costa <wander@redhat.com>,
	Erdem Aktas <erdemaktas@google.com>,
	Chong Cai <chongc@google.com>, Qinkun Bao <qinkun@apache.org>,
	Guorui Yu <GuoRui.Yu@linux.alibaba.com>,
	Du Fan <fan.du@intel.com>,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-doc@vger.kernel.org
Subject: Re: [PATCH v2 3/3] selftests/tdx: Test GetQuote TDX attestation feature
Date: Thu, 27 Apr 2023 12:53:52 -0700	[thread overview]
Message-ID: <10248ba6-c5d4-47dd-03e0-0500d4c4a621@intel.com> (raw)
In-Reply-To: <CAAH4kHb_PAhR5jLFi2KsGku9ALNtjtxb-JO-k1ULK-Mj5mi=pw@mail.gmail.com>

On 4/26/23 08:47, Dionna Amalie Glaze wrote:
>> +/* Helper function to get TDREPORT */
>> +long get_tdreport0(int devfd, struct tdx_report_req *req)
>> +{
>> +       int i;
>> +
>> +       /* Generate sample report data */
>> +       for (i = 0; i < TDX_REPORTDATA_LEN; i++)
>> +               req->reportdata[i] = i;
>> +
> Shouldn't req be zeroed before populating reportdata? We wouldn't want
> uninitialized memory to leave the guest. I know this is just a test,
> but it's best to model good practices for anyone that might
> copy/paste.

It's leaving the guest and going to the TDX module.  What's the problem
there?

  parent reply	other threads:[~2023-04-27 19:54 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-13  3:41 [PATCH v2 0/3] TDX Guest Quote generation support Kuppuswamy Sathyanarayanan
2023-04-13  3:41 ` [PATCH v2 1/3] x86/tdx: Add TDX Guest event notify interrupt support Kuppuswamy Sathyanarayanan
2023-04-14 13:34   ` Huang, Kai
2023-04-25 23:47     ` Sathyanarayanan Kuppuswamy
2023-04-26  1:59       ` Huang, Kai
2023-04-26  6:07         ` Sathyanarayanan Kuppuswamy
2023-04-28 13:50           ` Huang, Kai
2023-04-13  3:41 ` [PATCH v2 2/3] virt: tdx-guest: Add Quote generation support Kuppuswamy Sathyanarayanan
2023-04-26 15:40   ` Dionna Amalie Glaze
2023-04-27 18:27     ` Sathyanarayanan Kuppuswamy
2023-04-28  1:29       ` Dionna Amalie Glaze
2023-04-28 13:49   ` Huang, Kai
2023-05-01  6:03     ` Sathyanarayanan Kuppuswamy
2023-05-01 12:48       ` Huang, Kai
2023-05-04  7:12         ` Sathyanarayanan Kuppuswamy
2023-05-04 12:00           ` Huang, Kai
2023-05-02 22:27   ` Chong Cai
2023-04-13  3:41 ` [PATCH v2 3/3] selftests/tdx: Test GetQuote TDX attestation feature Kuppuswamy Sathyanarayanan
2023-04-26 15:47   ` Dionna Amalie Glaze
2023-04-27 19:10     ` Sathyanarayanan Kuppuswamy
2023-04-27 19:56       ` Dave Hansen
2023-04-27 19:53     ` Dave Hansen [this message]
2023-05-10  0:10 ` [PATCH v2 0/3] TDX Guest Quote generation support Erdem Aktas
2023-05-10  0:14   ` Sathyanarayanan Kuppuswamy

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