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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 C90E2C10F13 for ; Mon, 8 Apr 2019 11:12:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 959D620870 for ; Mon, 8 Apr 2019 11:12:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726584AbfDHLM2 (ORCPT ); Mon, 8 Apr 2019 07:12:28 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:40106 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725881AbfDHLM1 (ORCPT ); Mon, 8 Apr 2019 07:12:27 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-20-AjA7cPB9PDOJ66cwZ66R5A-1; Mon, 08 Apr 2019 12:12:25 +0100 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b::d117) by AcuMS.aculab.com (fd9f:af1c:a25b::d117) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 8 Apr 2019 12:13:33 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Mon, 8 Apr 2019 12:13:33 +0100 From: David Laight To: 'Robin Murphy' , Sai Prakash Ranjan , Alexander Shishkin , Greg Kroah-Hartman , Mulu He , Tingwei Zhang , Maxime Coquelin , Alexandre Torgue , "linux-stm32@st-md-mailman.stormreply.com" , Mathieu Poirier , Suzuki K Poulose , "Mike Leach" , Leo Yan CC: Rajendra Nayak , "linux-arm-msm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , Sibi Sankar , Vivek Gautam , "linux-arm-kernel@lists.infradead.org" Subject: RE: [PATCH] stm class: Fix out of bound access from bitmap allocation Thread-Topic: [PATCH] stm class: Fix out of bound access from bitmap allocation Thread-Index: AQHU66qDw2WxOhX8lUugt3I8pBQU16YtixUwgASIUaqAAAHoUP//9OSAgAAR1aA= Date: Mon, 8 Apr 2019 11:13:33 +0000 Message-ID: References: <20190405122256.27840-1-saiprakash.ranjan@codeaurora.org> <850ba66b-0e4a-2027-5640-0ee339a7868c@arm.com> <2d5e435bf7b344fb835fc58ac36e1c19@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: AjA7cPB9PDOJ66cwZ66R5A-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogUm9iaW4gTXVycGh5DQo+IFNlbnQ6IDA4IEFwcmlsIDIwMTkgMTE6NTINCj4gT24gMDgv MDQvMjAxOSAxMTozMywgRGF2aWQgTGFpZ2h0IHdyb3RlOg0KPiA+IEZyb206IFJvYmluIE11cnBo eQ0KPiA+PiBTZW50OiAwOCBBcHJpbCAyMDE5IDExOjI0DQo+ID4+IE9uIDA3LzA0LzIwMTkgMDU6 MzEsIFNhaSBQcmFrYXNoIFJhbmphbiB3cm90ZToNCj4gPj4+IE9uIDQvNS8yMDE5IDY6NDQgUE0s IERhdmlkIExhaWdodCB3cm90ZToNCj4gPj4+PiBGcm9tOiBTYWkgUHJha2FzaCBSYW5qYW4NCj4g Pj4+Pj4NCj4gPj4+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvaHd0cmFjaW5nL3N0bS9jb3JlLmMg Yi9kcml2ZXJzL2h3dHJhY2luZy9zdG0vY29yZS5jDQo+ID4+Pj4+IGluZGV4IDkzY2UzYWE3NDBh OS4uMjFhNTgzOGY2ZTY3IDEwMDY0NA0KPiA+Pj4+PiAtLS0gYS9kcml2ZXJzL2h3dHJhY2luZy9z dG0vY29yZS5jDQo+ID4+Pj4+ICsrKyBiL2RyaXZlcnMvaHd0cmFjaW5nL3N0bS9jb3JlLmMNCj4g Pj4+Pj4gQEAgLTE2OCw3ICsxNjgsNyBAQCBzdGF0aWMgaW50IHN0cF9tYXN0ZXJfYWxsb2Moc3Ry dWN0IHN0bV9kZXZpY2UNCj4gPj4+Pj4gKnN0bSwgdW5zaWduZWQgaW50IGlkeCkNCj4gPj4+Pj4g IMKgwqDCoMKgwqAgc3RydWN0IHN0cF9tYXN0ZXIgKm1hc3RlcjsNCj4gPj4+Pj4gIMKgwqDCoMKg wqAgc2l6ZV90IHNpemU7DQo+ID4+Pj4+DQo+ID4+Pj4+IC3CoMKgwqAgc2l6ZSA9IEFMSUdOKHN0 bS0+ZGF0YS0+c3dfbmNoYW5uZWxzLCA4KSAvIDg7DQo+ID4+Pj4+ICvCoMKgwqAgc2l6ZSA9IEFM SUdOKHN0bS0+ZGF0YS0+c3dfbmNoYW5uZWxzLCBTVE1fTUFTVEVSX1NaKSAvDQo+ID4+Pj4+IFNU TV9NQVNURVJfU1o7DQo+ID4+Pj4NCj4gPj4+PiBJJ20gbm90IHN1cmUgdGhhdCB1c2luZyBTVFBf TUFTVEVSX1NaIGltcHJvdmVzIHJlYWRhYmlsaXR5IGF0IGFsbC4NCj4gPj4+Pg0KPiA+Pj4NCj4g Pj4+IEkgdGhvdWdodCBpdCB3YXMgYmV0dGVyIHRvIGhhdmUgYSBtYWNybyB0aGFuIGRpcmVjdGx5 IHNwZWNpZnlpbmcNCj4gPj4+IHNpemVvZih1bnNpZ25lZCBsb25nKSwgYW55d2F5cyBJIGNhbiBj aGFuZ2UgaXQuDQo+ID4+Pg0KPiA+Pj4+IElzIHRoZXJlIHNvbWV0aGluZyB0aGF0IGdpdmVzIHRo ZSBzaXplIG9mIGEgYml0bWFwIGZvciAnbicgaXRlbXM/DQo+ID4+Pj4NCj4gPj4+DQo+ID4+PiBO b3Qgc3VyZSBpZiB0aGVyZSBpcyBzb21ldGhpbmcuDQo+ID4+DQo+ID4+IElmIHlvdSB3ZXJlIHRv IGFzayB0aGUgcXVlc3Rpb24gImhvdyBkb2VzIHRoZSBiaXRtYXAgY29kZSBpdHNlbGYga25vdw0K PiA+PiB3aGF0IHRoZSB0b3RhbCBzaXplIG9mIGEgYml0bWFwIGlzPyIsIHRoYXQgd291bGQgcXVp Y2tseSBsZWFkIHlvdQ0KPiA+PiB0b3dhcmRzIEJJVFNfVE9fTE9OR1MoKSA7KQ0KPiA+Pg0KPiA+ PiBBbmQgZ2l2ZW4gdGhhdCBzdHBfbWFzdGVyOjpjaGFuX21hcCBpcyBhbHJlYWR5IGFuIGFwcHJv cHJpYXRlIHR5cGUsIHRoYXQNCj4gPj4gc3VnZ2VzdHMgc2ltcGxpZnlpbmcgdGhlIGVudGlyZSBj YWxjdWxhdGlvbiBkb3duIHRvIHNvbWV0aGluZyBuZWF0IGFuZA0KPiA+PiB0aWR5IGxpa2U6DQo+ ID4+DQo+ID4+IHNpemUgPSBvZmZzZXRvZihzdHJ1Y3Qgc3RwX21hc3RlciwgY2hhbl9tYXBbQklU U19UT19MT05HUyhzdG0tPmRhdGEtPnN3X25jaGFubmVscyldKTsNCj4gPg0KPiA+IEV4Y2VwdCB0 aGF0IGlzIGludmFsaWQuDQo+ID4gWW91IGNhbid0IHVzZSBvZmZzZXRvZigpIHdpdGggc29tZXRo aW5nIHRoYXQgaXNuJ3QgYSBjb21waWxlIHRpbWUgY29uc3RhbnQuDQo+IA0KPiBPaCwgSSBzZWUg dGhlIHN0YW5kYXJkIGRvZXMgYWN0dWFsbHkgc2F5IHRoYXQsIGFsdGhvdWdoIHRoZXJlIHNlZW0g dG8gYmUNCj4gZW5vdWdoIG5vbi1jb25zdGFudCB1c2VzIGluIHRoZSBrZXJuZWwgdG8gc3VnZ2Vz dCB0aGF0IGl0IHN0aWxsIHdvcmtzIGluDQo+IHByYWN0aWNlLg0KDQpPbmUgb2YgdGhlIGNvbXBp bGVycyB3ZSB1c2UgaGVyZSBjb21wbGFpbnMgYWJvdXQgaXQgLSB3b24ndCBiZSBhIGxpbnV4IG9u ZS4NCkl0IGFsc28gZmFpbHMgdG8gZ2VuZXJhdGUgY29tcGlsZSB0aW1lIGNvbnN0YW50cyAoZm9y IHN0YXRpYyBpbml0aWFsaXNlcnMpDQppZiB5b3UgbXVsdGlwbHkgb3IgZGl2aWRlIHRoZSByZXN1 bHQgb2YgYW55dGhpbmcgdGhhdCBsb29rcyBsaWtlIG9mZnNldG9mKCkNCmFwcGxpZWQgdG8gYW4g YXJyYXkgZWxlbWVudCAod2hpY2ggaXMgYSBidWcpLg0KDQpJJ2QgZ3Vlc3MgdGhhdCB0aGUgcmVx dWlyZW1lbnQgaW4gdGhlIHN0YW5kYXJkIHdhcyBhZGRlZCBiZWNhdXNlIHNvbWUNCmNvbXBpbGVy cyB3ZXJlIGdlbmVyYXRpbmcgYSByZXN1bHQgdGhhdCB3YXNuJ3QgYSBjb21waWxlLXRpbWUgY29u c3RhbnQNCmFuZCBubyBvbmUgdGhvdWdodCB5b3UnZCB3YW50IHRvIHBhc3MgYSBub24tY29uc3Rh bnQgYXJndW1lbnQuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUs IEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJl Z2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=