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Mon, 5 Jul 2021 21:53:47 +0800 Message-ID: Subject: Re: [PATCH v6 2/2] kasan: Add memzero int for unaligned size at DEBUG From: Yee Lee To: Andrey Konovalov , Marco Elver , Andrew Morton CC: LKML , , Kuan-Ying Lee , , Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , Andrew Morton , Matthias Brugger , "open list:KASAN" , "open list:MEMORY MANAGEMENT" , "moderated list:ARM/Mediatek SoC support" , "moderated list:ARM/Mediatek SoC support" Date: Mon, 5 Jul 2021 21:53:47 +0800 In-Reply-To: References: <20210705103229.8505-1-yee.lee@mediatek.com> <20210705103229.8505-3-yee.lee@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org VGhhbmsgeW91LCBNYWNyby4gSSB0aG91Z2h0IG1lbWJlcnMgaW4gInN1Z2dlc3RlZC1ieSIgd291 bGQgYmUgcHV0IGluDQp0aGUgbGlzdCBhcyB3ZWxsLi4uIEFuZCB0aGFuayB5b3UgZ3V5cyBmb3Ig dGhlIHJldmlldyB0aGVzZSBkYXlzLiANCg0KDQpAQW5kcmV3IE1vdG9tDQpIaSBBbmRyZXcsIA0K DQpDb3VsZCB5b3UgaGVscCB0byBwdXNoIHRoZSBwYXRjaGVzPyBXZSBhcmUgZGVhbGluZyB3aXRo IHRoZSBpc3N1ZSBhbmQgDQp3b3VsZCBiYWNrcG9ydCB0byBBbmRyb2lkIHBvcmplY3QgcmlnaHQg YWZ0ZXIgdGhlIGFjdGlvbi4NCkFwcHJlY2lhdGVkIQ0KDQoNCkJSLA0KWWVlIA0KDQoNCk9uIE1v biwgMjAyMS0wNy0wNSBhdCAxMzoyMyArMDIwMCwgQW5kcmV5IEtvbm92YWxvdiB3cm90ZToNCj4g T24gTW9uLCBKdWwgNSwgMjAyMSBhdCAxOjE4IFBNIE1hcmNvIEVsdmVyIDxlbHZlckBnb29nbGUu Y29tPiB3cm90ZToNCj4gPiANCj4gPiBPbiBNb24sIDUgSnVsIDIwMjEgYXQgMTM6MTIsIEFuZHJl eSBLb25vdmFsb3YgPGFuZHJleWtudmxAZ21haWwuY29tDQo+ID4gPiB3cm90ZToNCj4gPiBbLi4u XQ0KPiA+ID4gPiArICAgICAgIC8qDQo+ID4gPiA+ICsgICAgICAgICogRXhwbGljaXRseSBpbml0 aWFsaXplIHRoZSBtZW1vcnkgd2l0aCB0aGUgcHJlY2lzZQ0KPiA+ID4gPiBvYmplY3Qgc2l6ZSB0 bw0KPiA+ID4gPiArICAgICAgICAqIGF2b2lkIG92ZXJ3cml0aW5nIHRoZSBTTEFCIHJlZHpvbmUu IFRoaXMgZGlzYWJsZXMNCj4gPiA+ID4gaW5pdGlhbGl6YXRpb24gaW4NCj4gPiA+ID4gKyAgICAg ICAgKiB0aGUgYXJjaCBjb2RlIGFuZCBtYXkgdGh1cyBsZWFkIHRvIHBlcmZvcm1hbmNlDQo+ID4g PiA+IHBlbmFsdHkuIFRoZSBwZW5hbHR5DQo+ID4gPiA+ICsgICAgICAgICogaXMgYWNjZXB0ZWQg c2luY2UgU0xBQiByZWR6b25lcyBhcmVuJ3QgZW5hYmxlZCBpbg0KPiA+ID4gPiBwcm9kdWN0aW9u IGJ1aWxkcy4NCj4gPiA+ID4gKyAgICAgICAgKi8NCj4gPiA+ID4gKyAgICAgICBpZiAoX19zbHVi X2RlYnVnX2VuYWJsZWQoKSAmJg0KPiA+ID4gDQo+ID4gPiBXaGF0IGhhcHBlbmVkIHRvIHNsdWJf ZGVidWdfZW5hYmxlZF91bmxpa2VseSgpPyBXYXMgaXQgcmVuYW1lZD8NCj4gPiA+IFdoeT8gSQ0K PiA+ID4gZGlkbid0IHJlY2VpdmUgcGF0Y2ggIzEgb2YgdjYgKG5vciBvZiB2NSkuDQo+ID4gDQo+ ID4gU29tZWJvZHkgaGFkIHRoZSBzYW1lIGlkZWEgd2l0aCB0aGUgaGVscGVyOg0KPiA+IGh0dHBz Oi8vbGttbC5rZXJuZWwub3JnL3IvWU9Lc0M3NWtKZkNad3lTREBlbHZlci5nb29nbGUuY29tDQo+ ID4gYW5kIE1hdHRoZXcgZGlkbid0IGxpa2UgdGhlIF91bmxpa2VseSgpIHByZWZpeC4NCj4gPiAN Cj4gPiBXaGljaCBtZWFudCB3ZSBzaG91bGQganVzdCBtb3ZlIHRoZSBleGlzdGluZyBoZWxwZXIg aW50cm9kdWNlZCBpbg0KPiA+IHRoZQ0KPiA+IG1lcmdlIHdpbmRvdy4NCj4gPiANCj4gPiBQYXRj aCAxLzI6IA0KPiA+IGh0dHBzOi8vbGttbC5rZXJuZWwub3JnL3IvMjAyMTA3MDUxMDMyMjkuODUw NS0yLXllZS5sZWVAbWVkaWF0ZWsuY29tDQo+IA0KPiBHb3QgaXQuIFRoYW5rIHlvdSwgTWFyY28h DQo=