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R. Silva" Subject: Re: [PATCH] mtd: physmap: physmap-bt1-rom: Fix unintentional stack access Message-ID: <20210212155031.08ad8742@xps13> In-Reply-To: References: <20210212104022.GA242669@embeddedor> <20210212151216.31a09ad1@xps13> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210212_095037_292441_DCD052D0 X-CRM114-Status: GOOD ( 18.24 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh Raghavendra , Richard Weinberger , "Gustavo A. R. Silva" , linux-kernel@vger.kernel.org, Serge Semin , linux-mtd@lists.infradead.org, linux-hardening@vger.kernel.org, Kees Cook Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org SGkgR3VzdGF2bywKCiJHdXN0YXZvIEEuIFIuIFNpbHZhIiA8Z3VzdGF2b0BlbWJlZGRlZG9yLmNv bT4gd3JvdGUgb24gRnJpLCAxMiBGZWIKMjAyMSAwODo0NTozMyAtMDYwMDoKCj4gT24gMi8xMi8y MSAwODoxMiwgTWlxdWVsIFJheW5hbCB3cm90ZToKPiA+IEhpIEd1c3Rhdm8sCj4gPiAKPiA+ICJH dXN0YXZvIEEuIFIuIFNpbHZhIiA8Z3VzdGF2b2Fyc0BrZXJuZWwub3JnPiB3cm90ZSBvbiBGcmks IDEyIEZlYiAyMDIxCj4gPiAwNDo0MDoyMiAtMDYwMDoKPiA+ICAgCj4gPj4gQ2FzdCAmZGF0YSB0 byAoY2hhciAqKSBpbiBvcmRlciB0byBhdm9pZCB1bmludGVudGlvbmFsbHkgYWNjZXNzaW5nCj4g Pj4gdGhlIHN0YWNrLgo+ID4+Cj4gPj4gTm90aWNlIHRoYXQgZGF0YSBpcyBvZiB0eXBlIHUzMiwg c28gYW55IGluY3JlbWVudCB0byAmZGF0YQo+ID4+IHdpbGwgYmUgaW4gdGhlIG9yZGVyIG9mIDQt Ynl0ZSBjaHVua3MsIGFuZCB0aGlzIHBpZWNlIG9mIGNvZGUKPiA+PiBpcyBhY3R1YWxseSBpbnRl bmRlZCB0byBiZSBhIGJ5dGUgb2Zmc2V0LiAgCj4gPiAKPiA+IEkgZG9uJ3QgaGF2ZSB0aGUgc2Ft ZSByZWFkaW5nLiBJIGRvbid0IHNheSB0aGF0IENvdmVyaXR5IHJlcG9ydCBpcwo+ID4gd3Jvbmcs IGJ1dCBsZXQncyBkaXNjdXNzIHRoaXMgYSBiaXQgZnVydGhlci4KPiA+IAo+ID4gR2l2ZW4gdGhh dCAmZGF0YSBpcyBvZiB0eXBlIHUzMiAqLCB5b3Ugc2F5IHRoYXQgIiZkYXRhICsgc2hpZnQiCj4g PiBwcm9kdWNlcyBpbmNyZW1lbnRzIG9mIDQtYnl0ZXMsIGllLiB3ZSB3b3VsZCBhY2Nlc3MgIiZk YXRhICsgNCAqCj4gPiBzaGlmdCI/IEJlY2F1c2UgSSBkb24ndCB0aGluayB0aGlzIGlzIHRoZSBj YXNlIChhZ2FpbiwgSSBtYXkgYmUgd3JvbmcpLiAgCj4gCj4gWWVwOyB0aGlzIGlzIHBvaW50ZXIg YXJpdGhtZXRpYy4gSWYgeW91IGhhdmUgYW4gb2JqZWN0IHB0ciBvZiB0eXBlIHUzMiAqOgo+IAo+ IHUzMiAqcHRyOwo+IAo+IGFuZCBsZXQncyBzYXkgaXQgcG9pbnRzIHRvIGFkZHJlc3MgMTAwLiBJ ZiB5b3UgaW5jcmVtZW50IGl0IGJ5IG9uZToKPiAKPiBwdHIrKwo+IAo+IHB0ciB3aWxsIG5vdyBw b2ludCB0byBhZGRyZXNzIDEwNCwgbm90IHRvIDEwMS4KPiAKPiBOb3csIGlmIGluc3RlYWQsIHlv dSBmaXJzdCBjYXN0IHB0ciB0byAnY2hhciAqJyBhbmQgaW5jcmVtZW50IGl0IGJ5IDEsCj4gdGhl biBpdCB3aWxsIHBvaW50IHRvIGFkZHJlc3MgMTAxLgoKWWVwLCBJIGdvdCBjb25mdXNlZCB3aXRo IHRoZSBwcm9wZXIgYWRkaXRpb24gY29tcGFyZWQgdG8gZGVyZWZlcmVuY2luZy4KClBhdGNoIGxv b2tzIGxlZ2l0aW1hdGUuCgpUaGFua3MsCk1pcXXDqGwKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWls aW5nIGxpc3QKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51 eC1tdGQvCg==