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From: Dan Carpenter <dan.carpenter@oracle.com>
To: "Chen, Guchun" <Guchun.Chen@amd.com>
Cc: "kbuild-all@lists.01.org" <kbuild-all@lists.01.org>,
	"lkp@intel.com" <lkp@intel.com>,
	"kbuild@lists.01.org" <kbuild@lists.01.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
	"Deucher, Alexander" <Alexander.Deucher@amd.com>
Subject: Re: [kbuild] drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1433 amdgpu_discovery_get_vcn_info() error: buffer overflow 'adev->vcn.vcn_codec_disable_mask' 2 <= 3
Date: Fri, 27 May 2022 11:12:59 +0300	[thread overview]
Message-ID: <20220527081259.GN2168@kadam> (raw)
In-Reply-To: <DM5PR12MB246988B514599DF631847549F1D89@DM5PR12MB2469.namprd12.prod.outlook.com>

On Fri, May 27, 2022 at 07:56:48AM +0000, Chen, Guchun wrote:
> A patch was available already to protect against such scenario.
> 
> https://patchwork.freedesktop.org/patch/486289/ , "drm/amdgpu/discovery: validate VCN and SDMA instances"
> 

What?  That's an unrelated patch and it has already been applied so I
took it into consideration when doing my analysis.

regards,
dan carpenter


WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org
Subject: Re: drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1433 amdgpu_discovery_get_vcn_info() error: buffer overflow 'adev->vcn.vcn_codec_disable_mask' 2 <= 3
Date: Fri, 27 May 2022 11:12:59 +0300	[thread overview]
Message-ID: <20220527081259.GN2168@kadam> (raw)
In-Reply-To: <DM5PR12MB246988B514599DF631847549F1D89@DM5PR12MB2469.namprd12.prod.outlook.com>

[-- Attachment #1: Type: text/plain, Size: 399 bytes --]

On Fri, May 27, 2022 at 07:56:48AM +0000, Chen, Guchun wrote:
> A patch was available already to protect against such scenario.
> 
> https://patchwork.freedesktop.org/patch/486289/ , "drm/amdgpu/discovery: validate VCN and SDMA instances"
> 

What?  That's an unrelated patch and it has already been applied so I
took it into consideration when doing my analysis.

regards,
dan carpenter

WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild-all@lists.01.org
Subject: Re: [kbuild] drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1433 amdgpu_discovery_get_vcn_info() error: buffer overflow 'adev->vcn.vcn_codec_disable_mask' 2 <= 3
Date: Fri, 27 May 2022 11:12:59 +0300	[thread overview]
Message-ID: <20220527081259.GN2168@kadam> (raw)
In-Reply-To: <DM5PR12MB246988B514599DF631847549F1D89@DM5PR12MB2469.namprd12.prod.outlook.com>

[-- Attachment #1: Type: text/plain, Size: 399 bytes --]

On Fri, May 27, 2022 at 07:56:48AM +0000, Chen, Guchun wrote:
> A patch was available already to protect against such scenario.
> 
> https://patchwork.freedesktop.org/patch/486289/ , "drm/amdgpu/discovery: validate VCN and SDMA instances"
> 

What?  That's an unrelated patch and it has already been applied so I
took it into consideration when doing my analysis.

regards,
dan carpenter

WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: "Chen, Guchun" <Guchun.Chen@amd.com>
Cc: "kbuild@lists.01.org" <kbuild@lists.01.org>,
	"Deucher, Alexander" <Alexander.Deucher@amd.com>,
	"kbuild-all@lists.01.org" <kbuild-all@lists.01.org>,
	"lkp@intel.com" <lkp@intel.com>,
	"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [kbuild] drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1433 amdgpu_discovery_get_vcn_info() error: buffer overflow 'adev->vcn.vcn_codec_disable_mask' 2 <= 3
Date: Fri, 27 May 2022 11:12:59 +0300	[thread overview]
Message-ID: <20220527081259.GN2168@kadam> (raw)
In-Reply-To: <DM5PR12MB246988B514599DF631847549F1D89@DM5PR12MB2469.namprd12.prod.outlook.com>

On Fri, May 27, 2022 at 07:56:48AM +0000, Chen, Guchun wrote:
> A patch was available already to protect against such scenario.
> 
> https://patchwork.freedesktop.org/patch/486289/ , "drm/amdgpu/discovery: validate VCN and SDMA instances"
> 

What?  That's an unrelated patch and it has already been applied so I
took it into consideration when doing my analysis.

regards,
dan carpenter


  reply	other threads:[~2022-05-27  8:13 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-27  7:14 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1433 amdgpu_discovery_get_vcn_info() error: buffer overflow 'adev->vcn.vcn_codec_disable_mask' 2 <= 3 kernel test robot
2022-05-27  7:46 ` [kbuild] " Dan Carpenter
2022-05-27  7:46 ` Dan Carpenter
2022-05-27  7:46 ` Dan Carpenter
2022-05-27  7:56 ` Chen, Guchun
2022-05-27  8:12   ` Dan Carpenter [this message]
2022-05-27  8:12     ` Dan Carpenter
2022-05-27  8:12     ` Dan Carpenter
2022-05-27  8:12     ` Dan Carpenter
2022-05-27  7:56 ` [kbuild] " Chen, Guchun
2022-06-01 18:43 ` Alex Deucher
2022-06-01 18:43   ` Alex Deucher
2022-06-01 18:43   ` Alex Deucher
2022-06-02  6:26   ` Ernst Sjöstrand
2022-06-02  6:26     ` Ernst Sjöstrand
2022-06-02 11:50     ` Dan Carpenter
2022-06-02 11:50       ` Dan Carpenter
2022-06-02 11:50       ` Dan Carpenter
2022-06-02 11:50       ` Dan Carpenter
2022-06-02 14:24       ` [kbuild] " Alex Deucher
2022-06-02 14:24         ` Alex Deucher
2022-06-02 15:33         ` Dan Carpenter
2022-06-02 15:33           ` Dan Carpenter
2022-06-02 15:33           ` Dan Carpenter
2022-06-02 15:44           ` [kbuild] " Alex Deucher
2022-06-02 15:44             ` Alex Deucher

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