From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F037C43460 for ; Tue, 27 Apr 2021 13:30:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3E67B613DD for ; Tue, 27 Apr 2021 13:30:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237359AbhD0Nat (ORCPT ); Tue, 27 Apr 2021 09:30:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235875AbhD0Nas (ORCPT ); Tue, 27 Apr 2021 09:30:48 -0400 Received: from ustc.edu.cn (email6.ustc.edu.cn [IPv6:2001:da8:d800::8]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2346DC061574; Tue, 27 Apr 2021 06:30:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mail.ustc.edu.cn; s=dkim; h=Received:Date:From:To:Cc:Subject: In-Reply-To:References:Content-Transfer-Encoding:Content-Type: MIME-Version:Message-ID; bh=ALd7aUrx9C59XSdS79bV6IteDhqku7qQ78rk F6VYWmo=; b=ZtGI+BiP9cZdhgHxtn3nU3w+pZZAPv/FQC4xqrheGqhpB28nV6O1 EDwJCkmFo1Pn3cQZk2Eg2xosVhN2ZkwBZDav34aMRXq1E3HFGxpX1QjPW14WZOQW ZOQG9xIgEnNHE6cHhd5wjAGBDIaLBv1oDkR1/k2LIl3B45FVAuuDugY= Received: by ajax-webmail-newmailweb.ustc.edu.cn (Coremail) ; Tue, 27 Apr 2021 21:29:57 +0800 (GMT+08:00) X-Originating-IP: [104.245.96.151] Date: Tue, 27 Apr 2021 21:29:57 +0800 (GMT+08:00) X-CM-HeaderCharset: UTF-8 From: lyl2019@mail.ustc.edu.cn To: "Sylwester Nawrocki" Cc: linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, s.nawrocki@samsung.com, mchehab@kernel.org, krzk@kernel.org Subject: Re: Re: [PATCH v2] media:exynos4-is: Fix a use after free in isp_video_release X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT3.0.8 dev build 20190610(cb3344cf) Copyright (c) 2002-2021 www.mailtech.cn ustc-xl In-Reply-To: References: <20210427060255.3318-1-lyl2019@mail.ustc.edu.cn> X-SendMailWithSms: false Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <5233bec4.64281.1791385ab97.Coremail.lyl2019@mail.ustc.edu.cn> X-Coremail-Locale: zh_CN X-CM-TRANSID: LkAmygB3L1TWEYhgeF1TAA--.11W X-CM-SenderInfo: ho1ojiyrz6zt1loo32lwfovvfxof0/1tbiAQsEBlQhn6cqjwAIso X-Coremail-Antispam: 1Ur529EdanIXcx71UUUUU7IcSsGvfJ3iIAIbVAYjsxI4VWxJw CS07vEb4IE77IF4wCS07vE1I0E4x80FVAKz4kxMIAIbVAFxVCaYxvI4VCIwcAKzIAtYxBI daVFxhVjvjDU= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCg0KPiAtLS0tLeWOn+Wni+mCruS7ti0tLS0tDQo+IOWPkeS7tuS6ujogIlN5bHdlc3RlciBO YXdyb2NraSIgPHNuYXdyb2NraUBrZXJuZWwub3JnPg0KPiDlj5HpgIHml7bpl7Q6IDIwMjEtMDQt MjcgMTg6MzY6NDggKOaYn+acn+S6jCkNCj4g5pS25Lu25Lq6OiAiTHYgWXVubG9uZyIgPGx5bDIw MTlAbWFpbC51c3RjLmVkdS5jbj4NCj4g5oqE6YCBOiBsaW51eC1tZWRpYUB2Z2VyLmtlcm5lbC5v cmcsIGxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZywgbGludXgtc2Ftc3VuZy1z b2NAdmdlci5rZXJuZWwub3JnLCBsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnLCBzLm5hd3Jv Y2tpQHNhbXN1bmcuY29tLCBtY2hlaGFiQGtlcm5lbC5vcmcsIGtyemtAa2VybmVsLm9yZw0KPiDk uLvpopg6IFJlOiBbUEFUQ0ggdjJdIG1lZGlhOmV4eW5vczQtaXM6IEZpeCBhIHVzZSBhZnRlciBm cmVlIGluIGlzcF92aWRlb19yZWxlYXNlDQo+IA0KPiBPbiAyNy4wNC4yMDIxIDA4OjAyLCBMdiBZ dW5sb25nIHdyb3RlOg0KPiA+IEluIGlzcF92aWRlb19yZWxlYXNlLCBmaWxlLT5wcml2YXRlX2Rh dGEgaXMgZnJlZWQgdmlhDQo+ID4gX3ZiMl9mb3BfcmVsZWFzZSgpLT52NGwyX2ZoX3JlbGVhc2Uo KS4gQnV0IHRoZSBmcmVlZA0KPiA+IGZpbGUtPnByaXZhdGVfZGF0YSBpcyBzdGlsbCB1c2VkIGlu IHY0bDJfZmhfaXNfc2luZ3VsYXJfZmlsZSgpDQo+ID4gLT52NGwyX2ZoX2lzX3Npbmd1bGFyKGZp bGUtPnByaXZhdGVfZGF0YSksIHdoaWNoIGlzIGEgdXNlDQo+ID4gYWZ0ZXIgZnJlZSBidWcuDQo+ ID4gDQo+ID4gTXkgcGF0Y2ggc2V0IGZpbGUtPnByaXZhdGVfZGF0YSB0byBOVUxMIGFmdGVyIF92 YjJfZm9wX3JlbGVhc2UoKQ0KPiA+IHRvIGF2b2lkIHRoZSB1c2UgYWZ0ZXIgZnJlZS4NCj4gPiAN Cj4gPiBGaXhlczogMzQ5NDdiOGFlYmUzZiAoIlttZWRpYV0gZXh5bm9zNC1pczogQWRkIHRoZSBG SU1DLUlTIElTUCBjYXB0dXJlIERNQSBkcml2ZXIiKQ0KPiA+IFNpZ25lZC1vZmYtYnk6IEx2IFl1 bmxvbmcgPGx5bDIwMTlAbWFpbC51c3RjLmVkdS5jbj4NCj4gPiAtLS0NCj4gPiAgIGRyaXZlcnMv bWVkaWEvcGxhdGZvcm0vZXh5bm9zNC1pcy9maW1jLWlzcC12aWRlby5jIHwgMyArKy0NCj4gPiAg IDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkNCj4gPiANCj4g PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS9leHlub3M0LWlzL2ZpbWMtaXNw LXZpZGVvLmMgYi9kcml2ZXJzL21lZGlhL3BsYXRmb3JtL2V4eW5vczQtaXMvZmltYy1pc3Atdmlk ZW8uYw0KPiA+IGluZGV4IDYxMmI5ODcyYWZjOC4uMmUwNDU4OTA2OGI0IDEwMDY0NA0KPiA+IC0t LSBhL2RyaXZlcnMvbWVkaWEvcGxhdGZvcm0vZXh5bm9zNC1pcy9maW1jLWlzcC12aWRlby5jDQo+ ID4gKysrIGIvZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS9leHlub3M0LWlzL2ZpbWMtaXNwLXZpZGVv LmMNCj4gPiBAQCAtMzE1LDcgKzMxNSw4IEBAIHN0YXRpYyBpbnQgaXNwX3ZpZGVvX3JlbGVhc2Uo c3RydWN0IGZpbGUgKmZpbGUpDQo+ID4gICAJfQ0KPiA+ICAgDQo+ID4gICAJX3ZiMl9mb3BfcmVs ZWFzZShmaWxlLCBOVUxMKTsNCj4gPiAtDQo+ID4gKwlmaWxlLT5wcml2YXRlX2RhdGEgPSBOVUxM Ow0KPiANCj4gPiAgIAlpZiAodjRsMl9maF9pc19zaW5ndWxhcl9maWxlKGZpbGUpKSB7DQo+ID4g ICAJCWZpbWNfcGlwZWxpbmVfY2FsbCgmaXZjLT52ZSwgY2xvc2UpOw0KPiA+ICAgDQo+IA0KPiBU aGFuayB5b3UgZm9yIHRoZSBwYXRjaC4gVG8gZW5zdXJlIHRoZSBwaXBlbGluZSBzdG9wIGNhbGwg aXMgZG9uZQ0KPiBvbmx5IHdoZW4gdGhlIGxhc3QgZmlsZSBoYW5kbGUgaXMgcmVsZWFzZWQgd2Ug d291bGQgbmVlZCBzb21ldGhpbmcNCj4gYXMgYmVsb3cuDQo+IA0KPiAtLS0tLS0tLTg8LS0tLS0t LS0tDQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL21lZGlhL3BsYXRmb3JtL2V4eW5vczQtaXMvZmlt Yy1pc3AtdmlkZW8uYyANCj4gYi9kcml2ZXJzL21lZGlhL3BsYXRmb3JtL2V4eW5vczQtaXMvZmlt Yy1pc3AtdmlkZW8uYw0KPiBpbmRleCA2MTJiOTg3MmFmYzguLjMzMzVmZWM1MDljYiAxMDA2NDQN Cj4gLS0tIGEvZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS9leHlub3M0LWlzL2ZpbWMtaXNwLXZpZGVv LmMNCj4gKysrIGIvZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS9leHlub3M0LWlzL2ZpbWMtaXNwLXZp ZGVvLmMNCj4gQEAgLTMwNiwxNyArMzA2LDIwIEBAIHN0YXRpYyBpbnQgaXNwX3ZpZGVvX3JlbGVh c2Uoc3RydWN0IGZpbGUgKmZpbGUpDQo+ICAgICAgICAgIHN0cnVjdCBmaW1jX2lzX3ZpZGVvICpp dmMgPSAmaXNwLT52aWRlb19jYXB0dXJlOw0KPiAgICAgICAgICBzdHJ1Y3QgbWVkaWFfZW50aXR5 ICplbnRpdHkgPSAmaXZjLT52ZS52ZGV2LmVudGl0eTsNCj4gICAgICAgICAgc3RydWN0IG1lZGlh X2RldmljZSAqbWRldiA9IGVudGl0eS0+Z3JhcGhfb2JqLm1kZXY7DQo+ICsgICAgICAgYm9vbCBp c19zaW5ndWxhcl9maWxlOw0KPiANCj4gICAgICAgICAgbXV0ZXhfbG9jaygmaXNwLT52aWRlb19s b2NrKTsNCj4gDQo+IC0gICAgICAgaWYgKHY0bDJfZmhfaXNfc2luZ3VsYXJfZmlsZShmaWxlKSAm JiBpdmMtPnN0cmVhbWluZykgew0KPiArICAgICAgIGlzX3Npbmd1bGFyX2ZpbGUgPSB2NGwyX2Zo X2lzX3Npbmd1bGFyX2ZpbGUoZmlsZSk7DQo+ICsNCj4gKyAgICAgICBpZiAoaXNfc2luZ3VsYXJf ZmlsZSAmJiBpdmMtPnN0cmVhbWluZykgew0KPiAgICAgICAgICAgICAgICAgIG1lZGlhX3BpcGVs aW5lX3N0b3AoZW50aXR5KTsNCj4gICAgICAgICAgICAgICAgICBpdmMtPnN0cmVhbWluZyA9IDA7 DQo+ICAgICAgICAgIH0NCj4gDQo+ICAgICAgICAgIF92YjJfZm9wX3JlbGVhc2UoZmlsZSwgTlVM TCk7DQo+IA0KPiAtICAgICAgIGlmICh2NGwyX2ZoX2lzX3Npbmd1bGFyX2ZpbGUoZmlsZSkpIHsN Cj4gKyAgICAgICBpZiAoaXNfc2luZ3VsYXJfZmlsZSkgew0KPiAgICAgICAgICAgICAgICAgIGZp bWNfcGlwZWxpbmVfY2FsbCgmaXZjLT52ZSwgY2xvc2UpOw0KPiANCj4gICAgICAgICAgICAgICAg ICBtdXRleF9sb2NrKCZtZGV2LT5ncmFwaF9tdXRleCk7DQo+IC0tLS0tLS0tODwtLS0tLS0tLS0N Cj4gDQo+IFJlZ2FyZHMsDQo+IFN5bHdlc3Rlcg0KDQpPaywgdGhhbmtzIGZvciB5b3VyIHJldmll dyBhbmQgaGVscC4NCkkgaGF2ZSBjb3JyZWN0ZWQgbXkgcGF0Y2ggYW5kIHNlbnQgdGhlIFBBVENI IHYzIGZvciB5b3UgcmV2aWV3IGFnYWluLg0KDQpUaGFua3MuDQo=