From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Auld Subject: [PATCH] drm/i915: fix out-of-bounds page_table access Date: Fri, 24 Jun 2016 17:04:46 +0100 Message-ID: <1466784286-29059-1-git-send-email-matthew.auld@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 6EAFA6EAFB for ; Fri, 24 Jun 2016 16:04:48 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org VGhlIGdlbjZfZm9yX2FsbF9wZGVzIG1hY3JvIGRvZXMgdGhlIHVwcGVyLWJvdW5kIGV2YWx1YXRp b24gYWZ0ZXIKYWNjZXNzaW5nIHRoZSBwYWdlX3RhYmxlIGFycmF5LCBoZW5jZSBvbiB0aGUgZmlu YWwgaXRlcmF0aW9uIHdlIGVuZCB1cApoaXR0aW5nIGFuIG91dC1vZi1ib3VuZHMgZXJyb3I6Cgpb IDEwMjMuODMxNjU3XSBVQlNBTjogVW5kZWZpbmVkIGJlaGF2aW91ciBpbiBkcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2dlbV9ndHQuYzoxOTkzOjIKWyAxMDIzLjgzMTY4MF0gaW5kZXggNTEyIGlz IG91dCBvZiByYW5nZSBmb3IgdHlwZSAnaTkxNV9wYWdlX3RhYmxlICpbNTEyXScKWyAxMDIzLjgz MTY5Nl0gQ1BVOiAwIFBJRDogNDgzMyBDb21tOiBybW1vZCBUYWludGVkOiBHICAgICBVICAgICAg ICAgIDQuNy4wLXJjNC1kcm0taW50ZWwtZGVidWcrICM1ClsgMTAyMy44MzE2OThdIEhhcmR3YXJl IG5hbWU6IEFTVVMgQWxsIFNlcmllcy9aODctSywgQklPUyAxMjAyIDA1LzEzLzIwMTQKWyAxMDIz LjgzMTcwMF0gIDAwMDAwMDAwMDAwMDAyMDAgMDAwMDAwMDBhZGZlOTczMyBmZmZmODgwMWEzOTE3 OTg4IGZmZmZmZmZmODE4Y2MwYTQKWyAxMDIzLjgzMTcwNV0gIDAwMDAwMDAwNDFiNThhYjMgZmZm ZmZmZmY4Mjc1Y2EwOCBmZmZmZmZmZjgxOGNiZmYyIGZmZmY4ODAxYTM5MTc5YjAKWyAxMDIzLjgz MTcwOF0gIGZmZmY4ODAxYTM5MTc5NjAgMDAwMDAwMDAwMDAwMDIwMCAxZmZmZmZmZmY0MzY1YjE3 IDAwMDAwMDAwMDAwMDAwMDEKWyAxMDIzLjgzMTcxMV0gQ2FsbCBUcmFjZToKWyAxMDIzLjgzMTcx N10gIFs8ZmZmZmZmZmY4MThjYzBhND5dIGR1bXBfc3RhY2srMHhiMi8weDEwZQpbIDEwMjMuODMx NzIxXSAgWzxmZmZmZmZmZjgxOGNiZmYyPl0gPyBfYXRvbWljX2RlY19hbmRfbG9jaysweDE1Mi8w eDE1MgpbIDEwMjMuODMxNzI2XSAgWzxmZmZmZmZmZjgxOTUyYjBiPl0gdWJzYW5fZXBpbG9ndWUr MHhkLzB4NGUKWyAxMDIzLjgzMTczMF0gIFs8ZmZmZmZmZmY4MTk1MzczZD5dIF9fdWJzYW5faGFu ZGxlX291dF9vZl9ib3VuZHMrMHgxMDcvMHgxNGQKWyAxMDIzLjgzMTczM10gIFs8ZmZmZmZmZmY4 MTk1MzYzNj5dID8gX191YnNhbl9oYW5kbGVfc2hpZnRfb3V0X29mX2JvdW5kcysweDI0Yy8weDI0 YwpbIDEwMjMuODMxNzM3XSAgWzxmZmZmZmZmZjgxNGJmZGU2Pl0gPyBrZnJlZSsweDI0Ni8weDNm MApbIDEwMjMuODMxODAxXSAgWzxmZmZmZmZmZmExODNiZmY4Pl0gZ2VuNl9wcGd0dF9jbGVhbnVw KzB4MTI4LzB4MTMwIFtpOTE1XQoKQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29u LmNvLnVrPgpTaWduZWQtb2ZmLWJ5OiBNYXR0aGV3IEF1bGQgPG1hdHRoZXcuYXVsZEBpbnRlbC5j b20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmggfCAyICstCiAxIGZp bGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfZ2VtX2d0dC5oCmluZGV4IDE2M2I1NjQuLjllNTIyOGQgMTAwNjQ0Ci0tLSBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5oCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfZ2VtX2d0dC5oCkBAIC00MDksNyArNDA5LDcgQEAgc3RydWN0IGk5MTVfaHdfcHBndHQg ewogCiAjZGVmaW5lIGdlbjZfZm9yX2FsbF9wZGVzKHB0LCBwcGd0dCwgaXRlcikgIFwKIAlmb3Ig KGl0ZXIgPSAwOwkJXAotCSAgICAgcHQgPSBwcGd0dC0+cGQucGFnZV90YWJsZVtpdGVyXSwgaXRl ciA8IEk5MTVfUERFUzsJXAorCSAgICAgaXRlciA8IEk5MTVfUERFUyA/IChwdCA9IHBwZ3R0LT5w ZC5wYWdlX3RhYmxlW2l0ZXJdKSwgMSA6IDA7IFwKIAkgICAgIGl0ZXIrKykKIAogc3RhdGljIGlu bGluZSB1aW50MzJfdCBpOTE1X3B0ZV9pbmRleCh1aW50NjRfdCBhZGRyZXNzLCB1aW50MzJfdCBw ZGVfc2hpZnQpCi0tIAoyLjcuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==