From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: [PATCH] drm/dumb-buffers: Integer overflow in drm_mode_create_ioctl() Date: Wed, 9 May 2018 10:22:49 +0300 Message-ID: <20180509072249.GA12754@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from aserp2120.oracle.com (aserp2120.oracle.com [141.146.126.78]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0694A6E78A for ; Wed, 9 May 2018 07:23:07 +0000 (UTC) Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Gustavo Padovan , David Herrmann Cc: David Airlie , kernel-janitors@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org VGhlcmUgaXMgYSBjb21tZW50IGhlcmUgd2hpY2ggc2F5cyB0aGF0IERJVl9ST1VORF9VUCgpIGFu ZCB0aGF0J3Mgd2hlcmUKdGhlIHByb2JsZW0gY29tZXMgZnJvbS4gIFNheSB5b3UgcGljazoKCglh cmdzLT5icHAgPSBVSU5UX01BWCAtIDc7CglhcmdzLT53aWR0aCA9IDQ7CglhcmdzLT5oZWlnaHQg PSAxOwoKVGhlIGludGVnZXIgb3ZlcmZsb3cgaW4gRElWX1JPVU5EX1VQKCkgbWVhbnMgImNwcCIg aXMgVUlOVF9NQVggLyA4IGFuZApiZWNhdXNlIG9mIGhvdyB3ZSBwaWNrZWQgYXJncy0+d2lkdGgg dGhhdCBtZWFucyBjcHAgPCBVSU5UX01BWCAvIDQuCgpTaWduZWQtb2ZmLWJ5OiBEYW4gQ2FycGVu dGVyIDxkYW4uY2FycGVudGVyQG9yYWNsZS5jb20+Ci0tLQpCdHcsIERJVl9ST1VORF9VUCgpIGlu dGVnZXIgb3ZlcmZsb3dzIGhhdmUgYmVlbiBhIHJlY3VycmluZyBzb3VyY2Ugb2YKYnVncyBzbyBJ IGhhdmUgYW4gdW5yZWxlYXNlZCBzdGF0aWMgY2hlY2tlciB3YXJuaW5nIHNwZWNpZmljIGZvciB0 aGF0LgpUaGlzIGxpbmUgdHJpZ2dlcnMgdGhyZWUgd2FybmluZ3MgZm9yIG1lIG9uIG15IHVucmVs ZWFzZWQgY29kZToKCmRyaXZlcnMvZ3B1L2RybS9kcm1fZHVtYl9idWZmZXJzLmM6NjkgZHJtX21v ZGVfY3JlYXRlX2R1bWJfaW9jdGwoKSB3YXJuOiBuZWdhdGl2ZSB1c2VyIHN1YnRyYWN0OiAwLXUz Mm1heCAtIDEKZHJpdmVycy9ncHUvZHJtL2RybV9kdW1iX2J1ZmZlcnMuYzo2OSBkcm1fbW9kZV9j cmVhdGVfZHVtYl9pb2N0bCgpIHdhcm46IHBvdGVudGlhbCBpbnRlZ2VyIG92ZXJmbG93IGZyb20g dXNlciAnKGFyZ3MtPmJwcCkgKyAoOCknCmRyaXZlcnMvZ3B1L2RybS9kcm1fZHVtYl9idWZmZXJz LmM6NjkgZHJtX21vZGVfY3JlYXRlX2R1bWJfaW9jdGwoKSB3YXJuOiBwb3RlbnRpYWwgaW50ZWdl ciBvdmVyZmxvdyBpbiAnRElWX1JPVU5EX1VQJwoKSXQncyBhIHByZXR0eSBjb21tb24gaWRpb20g aW4gdGhlIGtlcm5lbCB0byBvdmVyZmxvdyBhbmQgdGhlbiB0ZXN0IGZvcgppdCBsYXRlciBzbyBJ J20gbm90IGFibGUgdG8gcmVsZWFzZSB0aGlzIGNvZGUgYmVjYXVzZSBvZiB0aGUgbnVtYmVyIG9m CmZhbHNlIHBvc2l0aXZlcyB0aGF0IHRoaXMgaWRpb20gY2F1c2VzLi4uCgpkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2RybV9kdW1iX2J1ZmZlcnMuYyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1f ZHVtYl9idWZmZXJzLmMKaW5kZXggMzlhYzE1Y2U0NzAyLi40NWIwYjViYmI1ZjggMTAwNjQ0Ci0t LSBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZHVtYl9idWZmZXJzLmMKKysrIGIvZHJpdmVycy9ncHUv ZHJtL2RybV9kdW1iX2J1ZmZlcnMuYwpAQCAtNjUsNyArNjUsOCBAQCBpbnQgZHJtX21vZGVfY3Jl YXRlX2R1bWJfaW9jdGwoc3RydWN0IGRybV9kZXZpY2UgKmRldiwKIAkJcmV0dXJuIC1FSU5WQUw7 CiAKIAkvKiBvdmVyZmxvdyBjaGVja3MgZm9yIDMyYml0IHNpemUgY2FsY3VsYXRpb25zICovCi0J LyogTk9URTogRElWX1JPVU5EX1VQKCkgY2FuIG92ZXJmbG93ICovCisJaWYgKGFyZ3MtPmJwcCA+ IFVJTlRfTUFYIC0gOCkKKwkJcmV0dXJuIC1FSU5WQUw7CiAJY3BwID0gRElWX1JPVU5EX1VQKGFy Z3MtPmJwcCwgOCk7CiAJaWYgKCFjcHAgfHwgY3BwID4gMHhmZmZmZmZmZlUgLyBhcmdzLT53aWR0 aCkKIAkJcmV0dXJuIC1FSU5WQUw7Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbAo=