From mboxrd@z Thu Jan  1 00:00:00 1970
From: Felix Kuehling <felix.kuehling-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH] drm/amdkfd: Integer overflows in ioctl
Date: Tue, 24 Apr 2018 14:58:10 -0400
Message-ID: <e2b7b3c1-cadb-330f-53a8-57568d4bc877@amd.com>
References: <20180424133549.GB10167@mwanda>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <20180424133549.GB10167@mwanda>
Content-Language: en-CA
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>, Oded Gabbay <oded.gabbay-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "David (ChunMing) Zhou" <David1.Zhou-5C7GfCeVMHo@public.gmane.org>, David Airlie <airlied-cv59FeDIM0c@public.gmane.org>, kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>, =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig-5C7GfCeVMHo@public.gmane.org>
List-Id: dri-devel@lists.freedesktop.org

UmV2aWV3ZWQtYnk6IEZlbGl4IEt1ZWhsaW5nIDxGZWxpeC5LdWVobGluZ0BhbWQuY29tPgoKV2Ug
Y291bGQgcHJvYmFibHkgYWRkIGEgc2FuaXR5IGNoZWNrIGZvciBuX2RldmljZXMgdG8gYXZvaWQg
dXNlciBtb2RlCmNhdXNpbmcgZXhjZXNzaXZlIG1lbW9yeSBhbGxvY2F0aW9ucyBpbiB0aGUga2Vy
bmVsLiBUaGVyZSBpcyBubyBnb29kCnJlYXNvbiBmb3IgdGhpcyB0byBiZSBiaWdnZXIgdGhhbiB0
aGUgbnVtYmVyIG9mIEdQVXMgaW4gdGhlIHN5c3RlbS4gVGhlCm1heGltdW0gbnVtYmVyIG9mIEdQ
VXMgc3VwcG9ydGVkIGR1ZSB0byBkZXZpY2UgbWlub3IgbGltaXQgaW4gRFJNIGlzIDEyOC4KClJl
Z2FyZHMsCsKgIEZlbGl4CgoKT24gMjAxOC0wNC0yNCAwOTozNSBBTSwgRGFuIENhcnBlbnRlciB3
cm90ZToKPiBhcmdzLT5uX2RldmljZXMgaXMgYSB1MzIgdGhhdCBjb21lcyBmcm9tIHRoZSB1c2Vy
LiAgVGhlIG11bHRpcGxpY2F0aW9uCj4gY291bGQgb3ZlcmZsb3cgb24gMzIgYml0IHN5c3RlbXMg
cG9zc2libHkgbGVhZGluZyB0byBwcml2aWxlZ2UKPiBlc2NhbGF0aW9uLgo+Cj4gRml4ZXM6IDVl
YzdlMDI4NTRiMyAoImRybS9hbWRrZmQ6IEFkZCBpb2N0bHMgZm9yIEdQVVZNIG1lbW9yeSBtYW5h
Z2VtZW50IikKPiBTaWduZWQtb2ZmLWJ5OiBEYW4gQ2FycGVudGVyIGRhbi5jYXJwZW50ZXJAb3Jh
Y2xlLmNvbT4KPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGtmZC9rZmRf
Y2hhcmRldi5jIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRrZmQva2ZkX2NoYXJkZXYuYwo+IGlu
ZGV4IGNkNjc5Y2YxZmQzMC4uY2UzNmU1NTZkYTM4IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1
L2RybS9hbWQvYW1ka2ZkL2tmZF9jaGFyZGV2LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1k
L2FtZGtmZC9rZmRfY2hhcmRldi5jCj4gQEAgLTEyOTUsOCArMTI5NSw4IEBAIHN0YXRpYyBpbnQg
a2ZkX2lvY3RsX21hcF9tZW1vcnlfdG9fZ3B1KHN0cnVjdCBmaWxlICpmaWxlcCwKPiAgCQlyZXR1
cm4gLUVJTlZBTDsKPiAgCX0KPiAgCj4gLQlkZXZpY2VzX2FyciA9IGttYWxsb2MoYXJncy0+bl9k
ZXZpY2VzICogc2l6ZW9mKCpkZXZpY2VzX2FyciksCj4gLQkJCSAgICAgIEdGUF9LRVJORUwpOwo+
ICsJZGV2aWNlc19hcnIgPSBrbWFsbG9jX2FycmF5KGFyZ3MtPm5fZGV2aWNlcywgc2l6ZW9mKCpk
ZXZpY2VzX2FyciksCj4gKwkJCQkgICAgR0ZQX0tFUk5FTCk7Cj4gIAlpZiAoIWRldmljZXNfYXJy
KQo+ICAJCXJldHVybiAtRU5PTUVNOwo+ICAKPiBAQCAtMTQwNCw4ICsxNDA0LDggQEAgc3RhdGlj
IGludCBrZmRfaW9jdGxfdW5tYXBfbWVtb3J5X2Zyb21fZ3B1KHN0cnVjdCBmaWxlICpmaWxlcCwK
PiAgCQlyZXR1cm4gLUVJTlZBTDsKPiAgCX0KPiAgCj4gLQlkZXZpY2VzX2FyciA9IGttYWxsb2Mo
YXJncy0+bl9kZXZpY2VzICogc2l6ZW9mKCpkZXZpY2VzX2FyciksCj4gLQkJCSAgICAgIEdGUF9L
RVJORUwpOwo+ICsJZGV2aWNlc19hcnIgPSBrbWFsbG9jX2FycmF5KGFyZ3MtPm5fZGV2aWNlcywg
c2l6ZW9mKCpkZXZpY2VzX2FyciksCj4gKwkJCQkgICAgR0ZQX0tFUk5FTCk7Cj4gIAlpZiAoIWRl
dmljZXNfYXJyKQo+ICAJCXJldHVybiAtRU5PTUVNOwo+ICAKCl9fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0CmFtZC1nZnhA
bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt
YW4vbGlzdGluZm8vYW1kLWdmeAo=