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Sat, 07 Aug 2021 10:34:17 +0000 Received: from relay11.mail.gandi.net ([217.70.178.231]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mCJef-00EZhj-QR for linux-mtd@lists.infradead.org; Sat, 07 Aug 2021 10:34:15 +0000 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay11.mail.gandi.net (Postfix) with ESMTPSA id 7674F100005; Sat, 7 Aug 2021 10:34:10 +0000 (UTC) Date: Sat, 7 Aug 2021 12:34:09 +0200 From: Miquel Raynal To: Sean Young Cc: linux-mtd@lists.infradead.org Subject: Re: [PATCH 4/4] mtd: rfd_ftl: fix use-after-free Message-ID: <20210807123409.5dbceaa6@xps13> In-Reply-To: <20210807075735.GB2522@gofer.mess.org> References: <29e817be984471dc2438a9414a9a7e1768d62950.1626169090.git.sean@mess.org> <20210806202158.5aa6ee26@xps13> <20210807075735.GB2522@gofer.mess.org> Organization: Bootlin X-Mailer: Claws Mail 3.17.7 (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-20210807_033414_031214_0A3FC312 X-CRM114-Status: GOOD ( 19.55 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 SGkgU2VhbiwKClNlYW4gWW91bmcgPHNlYW5AbWVzcy5vcmc+IHdyb3RlIG9uIFNhdCwgNyBBdWcg MjAyMSAwODo1NzozNSArMDEwMDoKCj4gT24gRnJpLCBBdWcgMDYsIDIwMjEgYXQgMDg6MjE6NThQ TSArMDIwMCwgTWlxdWVsIFJheW5hbCB3cm90ZToKPiA+IEhpIFNlYW4sCj4gPiAKPiA+IFNlYW4g WW91bmcgPHNlYW5AbWVzcy5vcmc+IHdyb3RlIG9uIFR1ZSwgMTMgSnVsIDIwMjEgMTA6NDQ6MDMg KzAxMDA6Cj4gPiAgIAo+ID4gPiBkZWxfbXRkX2Jsa3RyYW5zX2RldigpIHdpbGwga2ZyZWUgcGFy dCwgc28gdGhpcyBpcyBhIHVzZS1hZnRlci1mcmVlLiBVc2UKPiA+ID4gY29udGFpbmVyX29mKCkg dG8gbWFrZSBpdCBjbGVhcmVyIHdoYXQgdGhlIGNhc3QgaXMgZG9pbmcuCj4gPiA+IAo+ID4gPiBT aWduZWQtb2ZmLWJ5OiBTZWFuIFlvdW5nIDxzZWFuQG1lc3Mub3JnPgo+ID4gPiAtLS0KPiA+ID4g IGRyaXZlcnMvbXRkL3JmZF9mdGwuYyB8IDE0ICsrKysrKystLS0tLS0tCj4gPiA+ICAxIGZpbGUg Y2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCA3IGRlbGV0aW9ucygtKQo+ID4gPiAKPiA+ID4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvbXRkL3JmZF9mdGwuYyBiL2RyaXZlcnMvbXRkL3JmZF9mdGwuYwo+ ID4gPiBpbmRleCA3ZjVmNmQyNDdjYWUuLmFmMjBhMGE3MTEwOCAxMDA2NDQKPiA+ID4gLS0tIGEv ZHJpdmVycy9tdGQvcmZkX2Z0bC5jCj4gPiA+ICsrKyBiL2RyaXZlcnMvbXRkL3JmZF9mdGwuYyAg Cj4gPiAKPiA+IFsuLi5dCj4gPiAgIAo+ID4gPiBAQCAtODAwLDEwICs4MDAsMTAgQEAgc3RhdGlj IHZvaWQgcmZkX2Z0bF9yZW1vdmVfZGV2KHN0cnVjdCAgCj4gPiBtdGRfYmxrdHJhbnNfZGV2ICpk ZXYpICAKPiA+ID4gIAkJCXBhcnQtPm1iZC5tdGQtPm5hbWUsIGksIHBhcnQtPmJsb2Nrc1tpXS5l cmFzZXMpOwo+ID4gPiAgCX0KPiA+ID4gIAo+ID4gPiAtCWRlbF9tdGRfYmxrdHJhbnNfZGV2KGRl dik7Cj4gPiA+ICAJdmZyZWUocGFydC0+c2VjdG9yX21hcCk7Cj4gPiA+ICAJa2ZyZWUocGFydC0+ aGVhZGVyX2NhY2hlKTsKPiA+ID4gIAlrZnJlZShwYXJ0LT5ibG9ja3MpOwo+ID4gPiArCWRlbF9t dGRfYmxrdHJhbnNfZGV2KCZwYXJ0LT5tYmQpOyAgCj4gPiAKPiA+IEkgYW0gbm90IHN1cmUgbW92 aW5nIHRoaXMgY2FsbCBhdCB0aGUgYm90dG9tIG9mIGZ0bF9yZW1vdmVfZGV2IG1ha2VzCj4gPiBz ZW5zZSwgY2FuIHdlIGtlZXAgaXQgd2hlcmUgaXQgd2FzIGFuZCBqdXN0IGRvIHRoZSBzL2Rldi9w YXJ0LT5tYmQvID8gIAo+IAo+IFRoZSByZWFzb24gZm9yIHRoaXMgcGF0Y2ggaXMgdGhhdCBkZWxf bXRkX2Jsa3RyYW5zX2RldigpIGtmcmVlcyBpdHMgYXJndW1lbnQsCj4gc28gYm90aCBwYXJ0IGFu ZCBkZXYgcG9pbnQgdG8gZnJlZWQgbWVtb3J5LiBUaGlzIG1lYW5zIGl0J3MgYSB1c2UgYWZ0ZXIg ZnJlZS4KCk9rLCBwbGVhc2Ugc3BsaXQgdGhpcyBpbnRvIHR3byBwYXRjaGVzIGFuZCB3ZSdsbCBi ZSBnb29kLgogClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlz dApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K