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=-0.7 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 45DE3C74A35 for ; Wed, 10 Jul 2019 18:36:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 20D7A20651 for ; Wed, 10 Jul 2019 18:36:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728070AbfGJSgK (ORCPT ); Wed, 10 Jul 2019 14:36:10 -0400 Received: from LLMX2.LL.MIT.EDU ([129.55.12.48]:43134 "EHLO llmx2.ll.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727193AbfGJSgJ (ORCPT ); Wed, 10 Jul 2019 14:36:09 -0400 X-Greylist: delayed 744 seconds by postgrey-1.27 at vger.kernel.org; Wed, 10 Jul 2019 14:36:09 EDT Received: from LLE2K16-MBX02.mitll.ad.local (LLE2K16-MBX02.mitll.ad.local) by llmx2.ll.mit.edu (unknown) with ESMTPS id x6AINaap003832; Wed, 10 Jul 2019 14:23:36 -0400 From: "Prout, Andrew - LLSC - MITLL" To: Christoph Paasch , Eric Dumazet 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/NrCmbg6L94CyO5gHbs90WAiPXn9kCN14y2gIOoPmspMqxmMA= Date: Wed, 10 Jul 2019 18:23:33 +0000 Message-ID: <63cd99ed3d0c440185ebec3ad12327fc@ll.mit.edu> References: <20190617170354.37770-1-edumazet@google.com> <20190617170354.37770-3-edumazet@google.com> <03cbcfdf-58a4-dbca-45b1-8b17f229fa1d@gmail.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.25.1.10] 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=2019-07-10_07:,, 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-1907100206 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org T24gNi8xNy8xOSA4OjE5IFBNLCBDaHJpc3RvcGggUGFhc2NoIHdyb3RlOg0KPiANCj4gWWVzLCB0 aGlzIGRvZXMgdGhlIHRyaWNrIGZvciBteSBwYWNrZXRkcmlsbC10ZXN0Lg0KPiANCj4gSSB3b25k ZXIsIGlzIHRoZXJlIGEgd2F5IHdlIGNvdWxkIGVuZCB1cCBpbiBhIHNpdHVhdGlvbiB3aGVyZSB3 ZSBjYW4ndA0KPiByZXRyYW5zbWl0IGFueW1vcmU/DQo+IEZvciBleGFtcGxlLCBza193bWVtX3F1 ZXVlZCBoYXMgZ3Jvd24gc28gbXVjaCB0aGF0IHRoZSBuZXcgdGVzdCBmYWlscy4NCj4gVGhlbiwg aWYgd2UgbGVnaXRpbWF0ZWx5IG5lZWQgdG8gZnJhZ21lbnQgaW4gX190Y3BfcmV0cmFuc21pdF9z a2IoKSB3ZQ0KPiB3b24ndCBiZSBhYmxlIHRvIGRvIHNvLiBTbyB3ZSB3aWxsIG5ldmVyIHJldHJh bnNtaXQuIEFuZCBpZiBubyBBQ0sNCj4gY29tZXMgYmFjayBpbiB0byBtYWtlIHNvbWUgcm9vbSB3 ZSBhcmUgc3R1Y2ssIG5vPw0KDQpXZSBzZWVtIHRvIGJlIGhhdmluZyBleGFjdGx5IHRoaXMgcHJv YmxlbS4gV2XigJlyZSBydW5uaW5nIG9uIHRoZSA0LjE0IGJyYW5jaC4gQWZ0ZXIgcmVjZW50bHkg dXBkYXRpbmcgb3VyIGtlcm5lbCwgd2XigJl2ZSBiZWVuIGhhdmluZyBhIHByb2JsZW0gd2l0aCBU Q1AgY29ubmVjdGlvbnMgc3RhbGxpbmcgLyBkeWluZyBvZmYgd2l0aG91dCBkaXNjb25uZWN0aW5n LiBUaGV5J3JlIHN0dWNrIGFuZCBuZXZlciByZWNvdmVyLg0KDQpJIGJpc2VjdGVkIHRoZSBwcm9i bGVtIHRvIDQuMTQuMTI3IGNvbW1pdCA5ZGFmMjI2ZmY5MjY3OWQwOWFlY2ExYjVjMTI0MGUzNjA3 MTUzMzM2IChjb21taXQgZjA3MGVmMmFjNjY3MTYzNTcwNjZiNjgzZmIwYmFmNTVmODE5MWEyZSB1 cHN0cmVhbSk6IHRjcDogdGNwX2ZyYWdtZW50KCkgc2hvdWxkIGFwcGx5IHNhbmUgbWVtb3J5IGxp bWl0cy4gVGhhdCBsZWFkIG1lIHRvIHRoaXMgdGhyZWFkLg0KDQpPdXIgZW52aXJvbm1lbnQgaXMg YSBzdXBlcmNvbXB1dGluZyBjZW50ZXI6IGxvdHMgb2Ygc2VydmVycyBpbnRlcmNvbm5lY3RlZCB3 aXRoIGEgbm9uLWJsb2NraW5nIDEwR2JpdCBldGhlcm5ldCBuZXR3b3JrLiBXZeKAmXZlIHplcm9l ZCBpbiBvbiB0aGUgcHJvYmxlbSBpbiB0d28gc2l0dWF0aW9uczogcmVtb3RlIHVzZXJzIG9uIFZQ TiBhY2Nlc3NpbmcgbGFyZ2UgZmlsZXMgdmlhIHNhbWJhIGFuZCBjb21wdXRlIGpvYnMgdXNpbmcg SW50ZWwgTVBJIG92ZXIgVENQL0lQL2V0aGVybmV0LiBJdCBjZXJ0YWlubHkgYWZmZWN0cyBvdGhl ciBzaXR1YXRpb25zLCBtYW55IG9mIG91ciB3b3JrbG9hZHMgaGF2ZSBiZWVuIHVuc3RhYmxlIHNp bmNlIHRoaXMgcGF0Y2ggd2VudCBpbnRvIHByb2R1Y3Rpb24sIGJ1dCB0aG9zZSBhcmUgdGhlIHR3 byB3ZSBjbGVhcmx5IGlkZW50aWZpZWQgYXMgdGhleSBmYWlsIHJlbGlhYmx5IGV2ZXJ5IHRpbWUu IFdlIGhhZCB0byB0YWtlIHRoZSBzeXN0ZW0gZG93biBmb3IgdW5zY2hlZHVsZWQgbWFpbnRlbmFu Y2UgdG8gcm9sbCBiYWNrIHRvIGFuIG9sZGVyIGtlcm5lbC4NCg0KVGhlIFRDUFdxdWV1ZVRvb0Jp ZyBjb3VudCBpcyBpbmNyZW1lbnRpbmcgd2hlbiB0aGUgcHJvYmxlbSBvY2N1cnMuDQoNClVzaW5n IGZ0cmFjZS90cmFjZS1jbWQgb24gYW4gYWZmZWN0ZWQgcHJvY2VzcywgaXQgYXBwZWFycyB0aGUg Y2FsbCBzdGFjayBpczoNCnJ1bl90aW1lcl9zb2Z0aXJxDQpleHBpcmVfdGltZXJzDQpjYWxsX3Rp bWVyX2ZuDQp0Y3Bfd3JpdGVfdGltZXINCnRjcF93cml0ZV90aW1lcl9oYW5kbGVyDQp0Y3BfcmV0 cmFuc21pdF90aW1lcg0KdGNwX3JldHJhbnNtaXRfc2tiDQpfX3RjcF9yZXRyYW5zbWl0X3NrYg0K dGNwX2ZyYWdtZW50DQoNCkFuZHJldyBQcm91dA0KTUlUIExpbmNvbG4gTGFib3JhdG9yeSBTdXBl cmNvbXB1dGluZyBDZW50ZXINCg0K