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Donenfeld" , Linux-MM , linux-xfs , "linux-hardening@vger.kernel.org" , Linux Kernel Mailing List , Uladzislau Rezki , "Kees Cook" , Greg Kroah-Hartman , Joe Perches Subject: RE: [PATCH] usercopy: use unsigned long instead of uintptr_t Thread-Topic: [PATCH] usercopy: use unsigned long instead of uintptr_t Thread-Index: AQHYgY56+B40USEpAkCPXvMJQcFna61SGkAAgAADqACAAAiSAIAACqGAgAAMdQCAAANVgIAAJpIAgADVkYCAADQtAIAAGqDA Date: Fri, 17 Jun 2022 12:51:15 +0000 Message-ID: <2b4f67aed7c64abe83eb868c351656dc@AcuMS.aculab.com> References: <20220616143617.449094-1-Jason@zx2c4.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1655470280; a=rsa-sha256; cv=none; b=gbH5OdTzffgoQTek5CU6UjU4sapwsfHZFTyAtDhkA9R8huw/53asL2P569P5bDTYgj+z5W 7197SCmmZZUccdJaDAvTXXOPGX8sMafXNfpSFzwS4x99Xqk1widddnp2UO7zhCW2sKJPPx AKCRhCS02Igy6tk7s/56GYycRIc7QrM= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of david.laight@aculab.com designates 185.58.86.151 as permitted sender) smtp.mailfrom=david.laight@aculab.com; dmarc=pass (policy=none) header.from=aculab.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1655470280; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VMg+FC+gwlC9hmqsw6+NIZScOuvi/trV48uhOKSBTsk=; b=o3+00uf1pbEASo5YM7/WWeylzinL5jR9Il/gA+LU0Vj6Jc1iYLWYYntqJIpRHq+JjBjtXs UwDVQHLyGfEt8KN8cqAnaU7AzkOzSxgEMk7pO7zRt0k+sxskxRHD3B075O9wW/FLWdtm8F ZrX3z2YFzqrfFefmXPxxJlZHQV7bkSk= X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 1ADB01C0091 X-Stat-Signature: c3depkdy6qigh65nuzfwrpf5taid3ud7 Authentication-Results: imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of david.laight@aculab.com designates 185.58.86.151 as permitted sender) smtp.mailfrom=david.laight@aculab.com; dmarc=pass (policy=none) header.from=aculab.com X-Rspam-User: X-HE-Tag: 1655470279-781365 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: RnJvbTogQ2hyaXN0b3BoZSBMZXJveQ0KPiBTZW50OiAxNyBKdW5lIDIwMjIgMTI6MDYNCj4gDQo+ IExlIDE3LzA2LzIwMjIgw6AgMDk6NTgsIEdlZXJ0IFV5dHRlcmhvZXZlbiBhIMOpY3JpdMKgOg0K PiA+PiBCdXQgaXQgdGhlbiBjYXVzZXMgcG9pbnRsZXNzIHByb2JsZW1zIHdoZW4gcGVvcGxlIGNh bid0IHJlYWxseSByZWx5IG9uDQo+ID4+IG1vcmUgdGhhbiAzMiBiaXRzIGZvciBhdG9taWMgYml0 IG9wZXJhdGlvbnMsIGFuZCBvbiA2NC1iaXQNCj4gPj4gYXJjaGl0ZWN0dXJlcyB3ZSB1bm5lY2Vz c2FyaWx5IHVzZSAibG9uZyIgYW5kIHdhc3RlIHRoZSB1cHBlciBiaXRzLg0KPiA+DQo+ID4gV2Vs bCwgYXRvbWljIHdvcmtzIHVwIHRvIG5hdGl2ZSB3b3JkIHNpemUsIGkuZS4gbG9uZy4NCj4gPg0K PiANCj4gcG93ZXJwYzY0IGhhcyBhIHBhaXIgb2YgaW5zdHJ1Y3Rpb25zIHRvIHBlcmZvcm0gMTI4 Yml0cyBhdG9taWMNCj4gb3BlcmF0aW9ucyA6IGxxYXJ4IC8gc3RxY3guDQoNCkFzIGRvZXMgeDg2 LTY0IChhbmQgMzJiaXQgaGFzIGEgNjRiaXQgYXRvbWljIGNvbXBhcmUrZXhjaGFuZ2UpLg0KDQpB bm5veWluZ2x5IHRoZSB4ODYtNjQgZG9lc24ndCBoYXZlIDEyOGJpdCByZWFkL3dyaXRlIHJlZ2lz dGVyDQpwYWlyIGluc3RydWN0aW9ucyB0aGF0IHdvdWxkIGdlbmVyYXRlIGEgMTI4Yml0IFBDSWUg VExQLg0KWW91IGNhbiB1c2UgQVZYIGluc3RydWN0aW9ucyB0byBnZW5lcmF0ZSBsYXJnZSBUTFAg LSBidXQgbm90DQppbiB0aGUgbGludXgga2VybmVsIC0geW91IHdhbnQgMSBiaWcgcmVnaXN0ZXIu DQoNCkV2ZW4gdGhlIGh1bWJsZSA2ODAyMCBoYXMgYSBjYXMyIGluc3RydWN0aW9uIHRoYXQgd2ls bCBkbyBhDQo2NGJpdCBhdG9taWMgb3BlcmF0aW9uLg0KSSBkaWQgbWFuYWdlIHRvIHVzZSBpdCBv bmNlLCBidXQgaXQgaXMgZWFzaWVyIHRvIGRpc2FibGUgaW50ZXJydXB0cy4NCkknbSBub3Qgc3Vy ZSBob3cgbWFueSBTTVAgNjgwMjAgc3lzdGVtcyB3ZXJlIGV2ZXIgYnVpbHQuDQpZb3UnZCBuZWVk IGEgbWF0Y2hlZCBwYWlyIG9mIGNwdSAob3IgZXh0cmVtZSBjYXJlKSBzaW5jZSBpdA0KdGVuZHMg dG8gc3RhY2sgbWljcm9jb2RlIGRhdGEgb24gbWlkLWluc3RydWN0aW9uIGZhdWx0cy4NCg0KCURh dmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3Vu dCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3 Mzg2IChXYWxlcykNCg==