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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1ED71C433FE for ; Wed, 9 Nov 2022 09:04:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230220AbiKIJEo (ORCPT ); Wed, 9 Nov 2022 04:04:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230212AbiKIJEm (ORCPT ); Wed, 9 Nov 2022 04:04:42 -0500 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3DC51A20D for ; Wed, 9 Nov 2022 01:04:40 -0800 (PST) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-56-F6hqTQPdMNuxkLz7d09ESQ-1; Wed, 09 Nov 2022 09:04:37 +0000 X-MC-Unique: F6hqTQPdMNuxkLz7d09ESQ-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 9 Nov 2022 09:04:36 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.042; Wed, 9 Nov 2022 09:04:36 +0000 From: David Laight To: 'Jann Horn' CC: Kees Cook , "linux-hardening@vger.kernel.org" , "kernel-hardening@lists.openwall.com" , Greg KH , Linus Torvalds , Seth Jenkins , "Eric W . Biederman" , "Andy Lutomirski" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] exit: Put an upper limit on how often we can oops Thread-Topic: [PATCH] exit: Put an upper limit on how often we can oops Thread-Index: AQHY8uVtJeqm4QnZJEegjt8nfpQUG640wW1QgABcZ4CAAS8xAA== Date: Wed, 9 Nov 2022 09:04:36 +0000 Message-ID: References: <20221107201317.324457-1-jannh@google.com> <3e2f7e2cb4f6451a9ef5d0fb9e1f6080@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, 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-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogSmFubiBIb3JuDQo+IFNlbnQ6IDA4IE5vdmVtYmVyIDIwMjIgMTQ6NTMNCj4gDQo+IE9u IFR1ZSwgTm92IDgsIDIwMjIgYXQgMTA6MjYgQU0gRGF2aWQgTGFpZ2h0IDxEYXZpZC5MYWlnaHRA YWN1bGFiLmNvbT4gd3JvdGU6DQo+ID4gPiBNYW55IExpbnV4IHN5c3RlbXMgYXJlIGNvbmZpZ3Vy ZWQgdG8gbm90IHBhbmljIG9uIG9vcHM7IGJ1dCBhbGxvd2luZyBhbg0KPiA+ID4gYXR0YWNrZXIg dG8gb29wcyB0aGUgc3lzdGVtICoqcmVhbGx5Kiogb2Z0ZW4gY2FuIG1ha2UgZXZlbiBidWdzIHRo YXQgbG9vaw0KPiA+ID4gY29tcGxldGVseSB1bmV4cGxvaXRhYmxlIGV4cGxvaXRhYmxlIChsaWtl IE5VTEwgZGVyZWZlcmVuY2VzIGFuZCBzdWNoKSBpZg0KPiA+ID4gZWFjaCBjcmFzaCBlbGV2YXRl cyBhIHJlZmNvdW50IGJ5IG9uZSBvciBhIGxvY2sgaXMgdGFrZW4gaW4gcmVhZCBtb2RlLCBhbmQN Cj4gPiA+IHRoaXMgY2F1c2VzIGEgY291bnRlciB0byBldmVudHVhbGx5IG92ZXJmbG93Lg0KPiA+ ID4NCj4gPiA+IFRoZSBtb3N0IGludGVyZXN0aW5nIGNvdW50ZXJzIGZvciB0aGlzIGFyZSAzMiBi aXRzIHdpZGUgKGxpa2Ugb3Blbi1jb2RlZA0KPiA+ID4gcmVmY291bnRzIHRoYXQgZG9uJ3QgdXNl IHJlZmNvdW50X3QpLiAoVGhlIGxkc2VtIHJlYWRlciBjb3VudCBvbiAzMi1iaXQNCj4gPiA+IHBs YXRmb3JtcyBpcyBqdXN0IDE2IGJpdHMsIGJ1dCBwcm9iYWJseSBub2JvZHkgY2FyZXMgYWJvdXQg MzItYml0IHBsYXRmb3Jtcw0KPiA+ID4gdGhhdCBtdWNoIG5vd2FkYXlzLikNCj4gPiA+DQo+ID4g PiBTbyBsZXQncyBwYW5pYyB0aGUgc3lzdGVtIGlmIHRoZSBrZXJuZWwgaXMgY29uc3RhbnRseSBv b3BzaW5nLg0KPiA+DQo+ID4gSSB0aGluayB5b3UgYXJlIHByZXR0eSBtdWNoIGd1YXJhbnRlZWQg dG8gcnVuIG91dCBvZiBtZW1vcnkNCj4gPiAob3IgYXQgbGVhc3QgS1ZBKSBiZWZvcmUgYW55IDMy Yml0IGNvdW50ZXIgd3JhcHMuDQo+IA0KPiBOb3QgaWYgeW91IHJlcGVhdGVkbHkgdGFrZSBhIHJl ZmVyZW5jZSBhbmQgdGhlbiBvb3BzIHdpdGhvdXQgZHJvcHBpbmcNCj4gdGhlIHJlZmVyZW5jZSwg YW5kIHRoZSBvb3BzIHBhdGggY2xlYW5zIHVwIGFsbCB0aGUgcmVzb3VyY2VzIHRoYXQgd2VyZQ0K PiBhbGxvY2F0ZWQgZm9yIHRoZSBjcmFzaGluZyB0YXNrcy4gSW4gdGhhdCBjYXNlLCBlYWNoIG9v cHMgaW5jcmVtZW50cw0KPiB0aGUgcmVmZXJlbmNlIGNvdW50IGJ5IDEgd2l0aG91dCBjYXVzaW5n IG1lbW9yeSBhbGxvY2F0aW9uLg0KDQpJJ2QgaGF2ZSB0aG91Z2h0IHRoYXQgdGhlIGtlcm5lbCBz dGFjayBhbmQgcHJvY2VzcyBhcmVhcyBjb3VsZG4ndA0KYmUgZnJlZWQgYmVjYXVzZSB0aGV5IG1p Z2h0IGNvbnRhaW4gJ2xpdmUgZGF0YScuDQpUaGVyZSBpcyBhbHNvIHRoZSBtdWNoIHNtYWxsZXIg cGlkX3Qgc3RydWN0dXJlLg0KDQpPZiBjb3Vyc2UgSSBtaWdodCBiZSB3cm9uZy4uLg0KQnV0IEkn bSBzdXJlIC9wcm9jL3BpZC9zdGFjayBpcyB2YWxpZCBmb3IgYW4gb29wc2VkIHByb2Nlc3MuDQoN CglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwg TW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzog MTM5NzM4NiAoV2FsZXMpDQo=