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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no 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 50739C71142 for ; Thu, 11 Jul 2019 17:34:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3318B20863 for ; Thu, 11 Jul 2019 17:34:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728591AbfGKRey (ORCPT ); Thu, 11 Jul 2019 13:34:54 -0400 Received: from LLMX3.LL.MIT.EDU ([129.55.12.49]:52154 "EHLO llmx3.ll.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728268AbfGKRey (ORCPT ); Thu, 11 Jul 2019 13:34:54 -0400 X-Greylist: delayed 1184 seconds by postgrey-1.27 at vger.kernel.org; Thu, 11 Jul 2019 13:34:53 EDT Received: from LLE2K16-MBX02.mitll.ad.local (LLE2K16-MBX02.mitll.ad.local) by llmx3.ll.mit.edu (unknown) with ESMTPS id x6BHExdT002065; Thu, 11 Jul 2019 13:14:59 -0400 From: "Prout, Andrew - LLSC - MITLL" To: Eric Dumazet , Christoph Paasch CC: "David S . Miller" , netdev , Greg Kroah-Hartman , Jonathan Looney , Neal Cardwell , Tyler Hicks , Yuchung Cheng , Bruce Curtis , Jonathan Lemon , "Dustin Marquess" Subject: RE: [PATCH net 2/4] tcp: tcp_fragment() should apply sane memory limits Thread-Topic: [PATCH net 2/4] tcp: tcp_fragment() should apply sane memory limits Thread-Index: AQKw2gvaIH+7kp/NrCmbg6L94CyO5gHbs90WAiPXn9kCN14y2gIOoPmspMqxmMCAAEuhgP//vbsQgABSeoCAASdFwA== Date: Thu, 11 Jul 2019 17:14:58 +0000 Message-ID: References: <20190617170354.37770-1-edumazet@google.com> <20190617170354.37770-3-edumazet@google.com> <03cbcfdf-58a4-dbca-45b1-8b17f229fa1d@gmail.com> <63cd99ed3d0c440185ebec3ad12327fc@ll.mit.edu> <96791fd5-8d36-2e00-3fef-60b23bea05e5@gmail.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.25.1.84] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-11_04:,, signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907110191 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org T24gNy8xMC8xOSAzOjI3IFBNLCBFcmljIER1bWF6ZXQgPGVyaWMuZHVtYXpldEBnbWFpbC5jb20+ IHdyb3RlOg0KPiBPbiA3LzEwLzE5IDg6NTMgUE0sIFByb3V0LCBBbmRyZXcgLSBMTFNDIC0gTUlU TEwgd3JvdGU6DQo+PiANCj4+IE91ciBpbml0aWFsIHJvbGxvdXQgd2FzIHY0LjE0LjEzMCwgYnV0 IEkgcmVwcm9kdWNlZCBpdCB3aXRoIHY0LjE0LjEzMiBhcyB3ZWxsLCByZWxpYWJseSBmb3IgdGhl IHNhbWJhIHRlc3QgYW5kIG9uY2UgKG5vdCByZWxpYWJseSkgd2l0aCBzeW50aGV0aWMgdGVzdCBJ IHdhcyB0cnlpbmcuIEEgcGF0Y2hlZCB2NC4xNC4xMzIgd2l0aCB0aGlzIHBhdGNoIHBhcnRpYWxs eSByZXZlcnRlZCAoanVzdCB0aGUgZm91ciBsaW5lcyBmcm9tIHRjcF9mcmFnbWVudCBkZWxldGVk KSBwYXNzZWQgdGhlIHNhbWJhIHRlc3QuDQo+PiANCj4+IFRoZSBzeW50aGV0aWMgdGVzdCB3YXMg YSBwYWlyIG9mIHNpbXBsZSBzZW5kL3JlY3YgdGVzdCBwcm9ncmFtcyB1bmRlciB0aGUgZm9sbG93 aW5nIGNvbmRpdGlvbnM6DQo+PiAtVGhlIHNlbmQgc29ja2V0IHdhcyBub24tYmxvY2tpbmcNCj4+ IC1TT19TTkRCVUYgc2V0IHRvIDEyOEtpQg0KPj4gLVRoZSByZWNlaXZlciBOSUMgd2FzIGJlaW5n IGZsb29kZWQgd2l0aCB0cmFmZmljIGZyb20gbXVsdGlwbGUgaG9zdHMgKHRvIGluZHVjZSBwYWNr ZXQgbG9zcy9yZXRyYW5zbWl0cykNCj4+IC1Mb2FkIHdhcyBvbiBib3RoIHN5c3RlbXM6IGEgd2hp bGUoMSkgcHJvZ3JhbSBzcGlubmluZyBvbiBlYWNoIENQVSBjb3JlDQo+PiAtVGhlIHJlY2VpdmVy IHdhcyBvbiBhbiBvbGRlciB1bmFmZmVjdGVkIGtlcm5lbA0KPj4gDQo+DQo+IFNPX1NOREJVRiB0 byAxMjhLQiBkb2VzIG5vdCBwZXJtaXQgdG8gcmVjb3ZlciBmcm9tIGhlYXZ5IGxvc3NlcywNCj4g c2luY2Ugc2ticyBuZWVkcyB0byBiZSBhbGxvY2F0ZWQgZm9yIHJldHJhbnNtaXRzLg0KPg0KPiBU aGUgYnVnIHdlIGZpeGVkIGFsbG93ZWQgcmVtb3RlIGF0dGFja2VycyB0byBjcmFzaCBhbGwgbGlu dXggaG9zdHMsDQo+DQo+IEkgYW0gYWZyYWlkIHdlIGhhdmUgdG8gZW5mb3JjZSB0aGUgcmVhbCBT T19TTkRCVUYgbGltaXQsIGZpbmFsbHkuDQo+DQo+IEV2ZW4gYSBjdXNoaW9uIG9mIDEyOEtCIHBl ciBzb2NrZXQgaXMgZGFuZ2Vyb3VzLCBmb3Igc2VydmVycyB3aXRoIG1pbGxpb25zIG9mIFRDUCBz b2NrZXRzLg0KPg0KPiBZb3Ugd2lsbCBlaXRoZXIgaGF2ZSB0byBzZXQgU09fU05EQlVGIHRvIGhp Z2hlciB2YWx1ZXMsIG9yIGxldCBhdXRvdHVuaW5nIGluIHBsYWNlLg0KPiBPciByZXZlcnQgdGhl IHBhdGNoZXMgYW5kIGFsbG93IGF0dGFja2VycyBoaXQgeW91IGJhZGx5Lg0KDQpJIGluIG5vIHdh eSBpbnRlbmRlZCB0byBpbXBseSB0aGF0IEkgaGFkIGNvbmZpcm1lZCB0aGUgc21hbGwgU09fU05E QlVGIHdhcyBhIHByZXJlcXVpc2l0ZSB0byBvdXIgcHJvYmxlbS4gV2l0aCBteSBzeW50aGV0aWMg dGVzdCwgSSB3YXMgbG9va2luZyBmb3IgYSBjb25jaXNlIHJlcHJvZHVjZXIgYW5kIHRyeWluZyB0 aGluZ3MgdG8gc3RyZXNzIHRoZSBzeXN0ZW0uDQoNClVuZm9ydHVuYXRlbHkgd2UncmUgb2Z0ZW4g c3R1Y2sgYmVpbmcgZm9yY2VkIHRvIHN1cHBvcnQgdmVyeSBvbGQgY29kZSwgcmlnaHQgYWxvbmdz aWRlIHRoZSBsYXRlc3QgYW5kIGdyZWF0ZXN0LiBXZSBzdGlsbCBydW4gYSBsb3Qgb2YgRk9SVFJB Ti4gVGVsbGluZyB1c2VycyBlbi1tYXNzIHRvIHNlYXJjaCBhbmQgcmV2aXNlIHRoZWlyIGNvZGUg aXMgbm90IGFuIG9wdGlvbiBmb3IgdXMuDQoNCkluIG15IG9waW5pb24sIGlmIGEgc21hbGwgU09f U05EQlVGIGJlbG93IGEgY2VydGFpbiB2YWx1ZSBpcyBubyBsb25nZXIgc3VwcG9ydGVkLCB0aGVu IFNPQ0tfTUlOX1NOREJVRiBzaG91bGQgYmUgYWRqdXN0ZWQgdG8gcmVmbGVjdCB0aGlzLiBUaGUg UkNWQlVGL1NOREJVRiBzaXplcyBhcmUgc3VwcG9zZWQgdG8gYmUgaGludHMsIG5vIGVycm9yIGlz IHJldHVybmVkIGlmIHRoZXkgYXJlIG5vdCBob25vcmVkLiBUaGUga2VybmVsIHNob3VsZCBjb250 aW51ZSB0byBmdW5jdGlvbiByZWdhcmRsZXNzIG9mIHdoYXQgdXNlcnNwYWNlIHJlcXVlc3RzIGZv ciB0aGVpciB2YWx1ZXMuDQoNCkFsdGVybmF0aXZlbHksIGEgY29uZmlnIG9wdGlvbiBjb3VsZCBi ZSBhZGRlZC4gSSBhbSBub3QgY29uY2VybmVkIGFib3V0IERvUyBhdHRhY2tzLCBvdXIgc3lzdGVt IGlzIG5vdCBjb25uZWN0ZWQgdG8gdGhlIGludGVybmV0LCBhbmQgd2Ugc2hvdWxkbid0IGhhdmUg dG8gbWFpbnRhaW4gYW4gb3V0LW9mLXRyZWUgcGF0Y2ggZm9yIGJhc2ljIGZ1bmN0aW9uYWxpdHku DQo=