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[149.14.88.26]) by smtp.gmail.com with ESMTPSA id b16-20020a05600010d000b0031aef72a021sm11830334wrx.86.2023.09.18.02.13.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Sep 2023 02:13:49 -0700 (PDT) Message-ID: <72a444cd42629f5bdd56647e7aa24588d6964bec.camel@redhat.com> Subject: Re: [PATCH v2 1/5] string.h: add array-wrappers for (v)memdup_user() From: Philipp Stanner To: Dan Carpenter Cc: Kees Cook , Andy Shevchenko , Eric Biederman , Christian Brauner , David Disseldorp , Luis Chamberlain , Siddh Raman Pant , Nick Alcock , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Zack Rusin , VMware Graphics Reviewers , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-hardening@vger.kernel.org, David Airlie Date: Mon, 18 Sep 2023 11:13:48 +0200 In-Reply-To: References: <93001a9f3f101be0f374080090f9c32df73ca773.1694202430.git.pstanner@redhat.com> User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230918_021358_623544_22FB0391 X-CRM114-Status: GOOD ( 13.02 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org T24gU2F0LCAyMDIzLTA5LTE2IGF0IDE3OjMyICswMzAwLCBEYW4gQ2FycGVudGVyIHdyb3RlOgo+ IE9uIEZyaSwgU2VwIDA4LCAyMDIzIGF0IDA5OjU5OjQwUE0gKzAyMDAsIFBoaWxpcHAgU3Rhbm5l ciB3cm90ZToKPiA+ICtzdGF0aWMgaW5saW5lIHZvaWQgKm1lbWR1cF9hcnJheV91c2VyKGNvbnN0 IHZvaWQgX191c2VyICpzcmMsCj4gPiBzaXplX3Qgbiwgc2l6ZV90IHNpemUpCj4gPiArewo+ID4g K8KgwqDCoMKgwqDCoMKgc2l6ZV90IG5ieXRlczsKPiA+ICsKPiA+ICvCoMKgwqDCoMKgwqDCoGlm ICh1bmxpa2VseShjaGVja19tdWxfb3ZlcmZsb3cobiwgc2l6ZSwgJm5ieXRlcykpKQo+ID4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHJldHVybiBFUlJfUFRSKC1FT1ZFUkZMT1cpOwo+ IAo+IE5vIG5lZWQgZm9yIGFuIHVubGlrZWx5KCkgYmVjYXVzZSBjaGVja19tdWxfb3ZlcmZsb3co KSBhbHJlYWR5IGhhcwo+IG9uZQo+IGluc2lkZS4KCkFDSy4gSSBvdmVybG9va2VkIHRoYXQgYXMg aXQgd2FzIGhpZGRlbiBpbiB0aGUgY2FsbHN0YWNrLgoKCj4gwqAgSSBmZWVsIGxpa2UgLUVOT01F TSBpcyBtb3JlIHRyYWRpdGlvbmFsIGJ1dCBJIGRvdWJ0Cj4gYW55b25lL3VzZXJzcGFjZQo+IGNh cmVzLgoKSSBhZ3JlZSB3aXRoIEFuZHkgaGVyZS4gV2UncmUgbm90IGFsbG9jYXRpbmcsIHNvIC1F Tk9NRU0gbWFrZXMgbm8gc2Vuc2UKSU1PLgoKClAuCgo+IAo+ID4gKwo+ID4gK8KgwqDCoMKgwqDC oMKgcmV0dXJuIG1lbWR1cF91c2VyKHNyYywgbmJ5dGVzKTsKPiA+ICt9Cj4gCj4gcmVnYXJkcywK PiBkYW4gY2FycGVudGVyCj4gCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18Ka2V4ZWMgbWFpbGluZyBsaXN0CmtleGVjQGxpc3RzLmluZnJhZGVhZC5vcmcK aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9rZXhlYwo=