From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: Re: [PATCH stable-4.9+] drm/i915/dmc: protect against reading random memory Date: Wed, 3 Jul 2019 18:58:34 -0400 Message-ID: <20190703225834.GD10104@sasha-vm> References: <20190702192304.31955-1-lucas.demarchi@intel.com> <20190703121416.GD7784@kroah.com> <20190703162403.yyejmv6al3f6bvn7@ldmartin-desk1> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id D6CAA6E1CE for ; Wed, 3 Jul 2019 22:58:35 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190703162403.yyejmv6al3f6bvn7@ldmartin-desk1> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Lucas De Marchi Cc: Greg KH , intel-gfx@lists.freedesktop.org, stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBKdWwgMDMsIDIwMTkgYXQgMDk6MjQ6MDNBTSAtMDcwMCwgTHVjYXMgRGUgTWFyY2hp IHdyb3RlOgo+T24gV2VkLCBKdWwgMDMsIDIwMTkgYXQgMDI6MTQ6MTZQTSArMDIwMCwgR3JlZyBL SCB3cm90ZToKPj5PbiBUdWUsIEp1bCAwMiwgMjAxOSBhdCAxMjoyMzowNFBNIC0wNzAwLCBMdWNh cyBEZSBNYXJjaGkgd3JvdGU6Cj4+PmNvbW1pdCBiYzdiNDg4YjFkMWM3MWRjNGM1MTgyMjA2OTEx MTI3YmM2YzQxMGQ2IHVwc3RyZWFtLgo+Pj4KPj4+V2hpbGUgbG9hZGluZyB0aGUgRE1DIGZpcm13 YXJlIHdlIHdlcmUgZG91YmxlIGNoZWNraW5nIHRoZSBoZWFkZXJzIG1hZGUKPj4+c2Vuc2UsIGJ1 dCBpbiBubyBwbGFjZSB3ZSBjaGVja2VkIHRoYXQgd2Ugd2VyZSBhY3R1YWxseSByZWFkaW5nIG1l bW9yeQo+Pj53ZSB3ZXJlIHN1cHBvc2VkIHRvLiBUaGlzIGNvdWxkIGJlIHdyb25nIGluIGNhc2Ug dGhlIGZpcm13YXJlIGZpbGUgaXMKPj4+dHJ1bmNhdGVkIG9yIG1hbGZvcm1lZC4KPj4+Cj4+PkJl Zm9yZSB0aGlzIHBhdGNoOgo+Pj4JIyBscyAtbCAvbGliL2Zpcm13YXJlL2k5MTUvaWNsX2RtY192 ZXIxXzA3LmJpbgo+Pj4JLXJ3LXItLXItLSAxIHJvb3Qgcm9vdCAgMjU3MTYgRmViICAxIDEyOjI2 IGljbF9kbWNfdmVyMV8wNy5iaW4KPj4+CSMgdHJ1bmNhdGUgLXMgMjU3MDAgL2xpYi9maXJtd2Fy ZS9pOTE1L2ljbF9kbWNfdmVyMV8wNy5iaW4KPj4+CSMgbW9kcHJvYmUgaTkxNQo+Pj4JIyBkbWVz Z3wgZ3JlcCAtaSBkbWMKPj4+CVtkcm06aW50ZWxfY3NyX3Vjb2RlX2luaXQgW2k5MTVdXSBMb2Fk aW5nIGk5MTUvaWNsX2RtY192ZXIxXzA3LmJpbgo+Pj4JW2RybV0gRmluaXNoZWQgbG9hZGluZyBE TUMgZmlybXdhcmUgaTkxNS9pY2xfZG1jX3ZlcjFfMDcuYmluICh2MS43KQo+Pj4KPj4+aS5lLiBp dCBsb2FkcyByYW5kb20gZGF0YS4gTm93IGl0IGZhaWxzIGxpa2UgYmVsb3c6Cj4+PglbZHJtOmlu dGVsX2Nzcl91Y29kZV9pbml0IFtpOTE1XV0gTG9hZGluZyBpOTE1L2ljbF9kbWNfdmVyMV8wNy5i aW4KPj4+CVtkcm06Y3NyX2xvYWRfd29ya19mbiBbaTkxNV1dICpFUlJPUiogVHJ1bmNhdGVkIERN QyBmaXJtd2FyZSwgcmVqZWN0aW5nLgo+Pj4JaTkxNSAwMDAwOjAwOjAyLjA6IEZhaWxlZCB0byBs b2FkIERNQyBmaXJtd2FyZSBpOTE1L2ljbF9kbWNfdmVyMV8wNy5iaW4uIERpc2FibGluZyBydW50 aW1lIHBvd2VyIG1hbmFnZW1lbnQuCj4+PglpOTE1IDAwMDA6MDA6MDIuMDogRE1DIGZpcm13YXJl IGhvbWVwYWdlOiBodHRwczovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dp dC9maXJtd2FyZS9saW51eC1maXJtd2FyZS5naXQvdHJlZS9pOTE1Cj4+Pgo+Pj5CZWZvcmUgcmVh ZGluZyBhbnkgcGFydCBvZiB0aGUgZmlybXdhcmUgZmlsZSwgdmFsaWRhdGUgdGhlIGlucHV0IGZp cnN0Lgo+Pj4KPj4+Rml4ZXM6IGViODA1NjIzZDhiMSAoImRybS9pOTE1L3NrbDogQWRkIHN1cHBv cnQgdG8gbG9hZCBTS0wgQ1NSIGZpcm13YXJlLiIpCj4+PlNpZ25lZC1vZmYtYnk6IEx1Y2FzIERl IE1hcmNoaSA8bHVjYXMuZGVtYXJjaGlAaW50ZWwuY29tPgo+Pj5SZXZpZXdlZC1ieTogUm9kcmln byBWaXZpIDxyb2RyaWdvLnZpdmlAaW50ZWwuY29tPgo+Pj5MaW5rOiBodHRwczovL3BhdGNod29y ay5mcmVlZGVza3RvcC5vcmcvcGF0Y2gvbXNnaWQvMjAxOTA2MDUyMzU1MzUuMTc3OTEtMS1sdWNh cy5kZW1hcmNoaUBpbnRlbC5jb20KPj4+KGNoZXJyeSBwaWNrZWQgZnJvbSBjb21taXQgYmM3YjQ4 OGIxZDFjNzFkYzRjNTE4MjIwNjkxMTEyN2JjNmM0MTBkNikKPj4+U2lnbmVkLW9mZi1ieTogSmFu aSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KPj4+WyBMdWNhczogYmFja3BvcnRlZCB0 byA0LjkrIGFkanVzdGluZyB0aGUgY29udGV4dCBdCj4+PkNjOiBzdGFibGVAdmdlci5rZXJuZWwu b3JnICMgdjQuOSsKPj4KPj5XaGF0IGFib3V0IGEgNC4xNC55IGFuZCA0LjE5LnkgYmFja3BvcnQg YXMgd2VsbD8gICBJIGNhbid0IHRha2UgdGhpcwo+PndpdGhvdXQgdGhvc2UgYXMgd2UgZG8gbm90 IHdhbnQgcGVvcGxlIHRvIHVwZ3JhZGUgYW5kIGhhdmUgYSByZWdyZXNzaW9uLgo+Cj5UaGUgZG9j dW1lbnRhdGlvbiBhYm91dCBzdGFibGUgcHJvY2VzcyBleHBsaWNpdGVseSBzYXlzIHRoZSBtZWFu aW5nIG9mCj50aGUgdGFnIGlzICdGb3IgZWFjaCAiLXN0YWJsZSIgdHJlZSBzdGFydGluZyB3aXRo IHRoZSBzcGVjaWZpZWQKPnZlcnNpb24uJy4gSSB0cmllZCB0byBtYWtlIGl0IGNsZWFyIGJ5IHVz aW5nIHRoZSAnKycgc3VmZml4IGFzIEkgc2F3IGluCj5vdGhlciBjb21taXRzIGluIHN0YWJsZSB0 cmVlLgo+Cj5UaGlzIHBhdGNoIGFwcGxpZXMgY2xlYW5seSB0byA0LjksIDQuMTQgYW5kIDQuMTku IFRoaXMgY29tbWl0IGlzIGFscmVhZHkKPmFwcGxpZWQgaW4gNS4xIGFzIGl0IGRpZG4ndCBuZWVk IGFueSBiYWNrcG9ydC4gVGhhdCB3YXMgdGhlIGludGVudGlvbiwgbGV0IG1lCj5rbm93IGlmIHRo YXQgaXMgbm90IHRoZSBwcm9wZXIgd2F5Lgo+Cj5UaGUgb25seSBtaXNzaW5nIHN0YWJsZSBpcyA0 LjQsIGJ1dCB0aGF0IG5lZWRzIG1vcmUgY2hhbmdlcyB0byB0aGUKPnBhdGNoLgoKVGhpcyB3b3Jr cywgSSd2ZSBxdWV1ZWQgaXQgdXAgZm9yIDQuOS00LjE5LCB0aGFuayB5b3UhCgotLQpUaGFua3Ms ClNhc2hhCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCklu dGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA==