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Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:38466) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s1QL7-0003AY-2P; Mon, 29 Apr 2024 13:42:37 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1s1QL6-0000rC-48; Mon, 29 Apr 2024 13:42:36 +0100 Date: Mon, 29 Apr 2024 13:42:35 +0100 From: "Russell King (Oracle)" To: Boy Wu =?utf-8?B?KOWQs+WLg+iqvCk=?= Cc: "linus.walleij@linaro.org" , "linux-kernel@vger.kernel.org" , "linux-mediatek@lists.infradead.org" , "andreyknvl@gmail.com" , "dvyukov@google.com" , "kasan-dev@googlegroups.com" , Iverlin Wang =?utf-8?B?KOeOi+iLs+mclik=?= , "mark.rutland@arm.com" , Light Chen =?utf-8?B?KOmZs+aYseWFiSk=?= , "ryabinin.a.a@gmail.com" , "linux-arm-kernel@lists.infradead.org" , "glider@google.com" , "matthias.bgg@gmail.com" , "vincenzo.frascino@arm.com" , "angelogioacchino.delregno@collabora.com" Subject: Re: [PATCH v2] arm: kasan: clear stale stack poison Message-ID: References: <20240410073044.23294-1-boy.wu@mediatek.com> <292f9fe4bab26028aa80f63bf160e0f2b874a17c.camel@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <292f9fe4bab26028aa80f63bf160e0f2b874a17c.camel@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240429_054247_538316_62C19C84 X-CRM114-Status: GOOD ( 22.48 ) X-BeenThere: linux-arm-kernel@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: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gTW9uLCBBcHIgMjksIDIwMjQgYXQgMDc6NTE6NDlBTSArMDAwMCwgQm95IFd1ICjlkLPli4Po qrwpIHdyb3RlOgo+IE9uIFN1biwgMjAyNC0wNC0yOCBhdCAxNTo0NSArMDEwMCwgUnVzc2VsbCBL aW5nIChPcmFjbGUpIHdyb3RlOgo+ID4gIE9uIEZyaSwgQXByIDEyLCAyMDI0IGF0IDEwOjM3OjA2 QU0gKzAyMDAsIExpbnVzIFdhbGxlaWogd3JvdGU6Cj4gPiA+IE9uIFdlZCwgQXByIDEwLCAyMDI0 IGF0IDk6MzHigK9BTSBib3kud3UgPGJveS53dUBtZWRpYXRlay5jb20+IHdyb3RlOgo+ID4gPiAK PiA+ID4gPiBGcm9tOiBCb3kgV3UgPGJveS53dUBtZWRpYXRlay5jb20+Cj4gPiA+ID4KPiA+ID4g PiBXZSBmb3VuZCBiZWxvdyBPT0IgY3Jhc2g6Cj4gPiA+IAo+ID4gPiBUaGFua3MgZm9yIGRpZ2dp bmcgaW4hCj4gPiA+IAo+ID4gPiBQbGVhcyBwdXQgdGhpcyBwYXRjaCBpbnRvIFJ1c3NlbGwncyBw YXRjaCB0cmFja2VyIHNvIGhlIGNhbiBhcHBseQo+ID4gaXQ6Cj4gPiA+IGh0dHBzOi8vd3d3LmFy bWxpbnV4Lm9yZy51ay9kZXZlbG9wZXIvcGF0Y2hlcy8KPiA+IAo+ID4gSXMgdGhpcyBhIGJ1ZyBm aXg/IElmIHNvLCBoYXZpbmcgYSBGaXhlczogdGFnIHdvdWxkIGJlIG5pY2UuLi4KPiA+IAo+IAo+ IFRoaXMgaXMgYSBwYXRjaCBmb3IgY3B1aWRsZSBmbG93IHdoZW4gS0FTQU4gZW5hYmxlLCB0aGF0 IGlzIGluIEFSTTY0Cj4gYnV0IG5vdCBpbiBBUk0sIHNvIGFkZCB0byBBUk0uCj4gCj4gVGhlIHJl ZmVyZW5jZSBjb21taXRzIGRpZCBub3QgbWVudGlvbiBmaXggYW55IGNvbW1pdHMuCj4gWzFdIGNv bW1pdCAwZDk3ZTZkODAyNGMgKCJhcm02NDoga2FzYW46IGNsZWFyIHN0YWxlIHN0YWNrIHBvaXNv biIpCj4gWzJdIGNvbW1pdCBkNTZhOWVmODRiZDAgKCJrYXNhbiwgYXJtNjQ6IHVucG9pc29uIHN0 YWNrIG9ubHkgd2l0aAo+IENPTkZJR19LQVNBTl9TVEFDSyIpCgpUaGVzZSBhcmUgbm90IHN1aXRh YmxlIGZvciB1c2UgYXMgYSBGaXhlczogdGFnIGJlY2F1c2UgdGhlc2UgY29tbWl0cwpyZWZlciB0 byBjb2RlIGluIGFub3RoZXIgcGFydCBvZiB0aGUgdHJlZSB0aGF0IGhhcyBub3RoaW5nIHRvIGRv IHdpdGgKdGhlIEJVRygpIGR1bXAgdGhhdCBpcyBjb250YWluZWQgd2l0aGluIHlvdXIgY29tbWl0 IG1lc3NhZ2UuCgpJIGFzayBhZ2Fpbi4uLiBJcyB0aGlzIGEgYnVnIGZpeD8KCklzIGl0IGEgcmVn cmVzc2lvbj8KCklzIGl0IHNvbWV0aGluZyB0aGF0IHVzZWQgdG8gd29yayB0aGF0IG5vIGxvbmdl ciB3b3Jrcz8KCldoZW4gZGlkIGl0IGJyZWFrPwoKSGFzIGl0IGFsd2F5cyBiZWVuIGJyb2tlbj8K CkhhcyBpdCBiZWVuIGJyb2tlbiBzaW5jZSBLQVNBTiB3YXMgaW50cm9kdWNlZCBvbiAzMi1iaXQg QVJNPwoKSSdtIG5vdCBhcHBseWluZyB0aGlzIGNvbW1pdCB1bnRpbCBJIGdldCAqcHJvcGVyKiBh bnN3ZXJzIHRvIHRoZXNlCnF1ZXN0aW9ucyBzbyB0aGF0IEkgY2FuIHdvcmsgb3V0IHdoZXRoZXIg dGhpcyBuZWVkcyB0byBnbyBpbiAtcmMKb3Igd2hldGhlciBpdCB3YWl0cyB1bnRpbCB0aGUgbmV4 dCBtZXJnZSB3aW5kb3cuLi4gYW5kIHdoZXRoZXIgaXQKbmVlZHMgYSBGaXhlczogdGFnIG9yIG5v dC4KCi0tIApSTUsncyBQYXRjaCBzeXN0ZW06IGh0dHBzOi8vd3d3LmFybWxpbnV4Lm9yZy51ay9k ZXZlbG9wZXIvcGF0Y2hlcy8KRlRUUCBpcyBoZXJlISA4ME1icHMgZG93biAxME1icHMgdXAuIERl Y2VudCBjb25uZWN0aXZpdHkgYXQgbGFzdCEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFy bS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK