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 06E77C7618F for ; Tue, 16 Jul 2019 15:24:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE35C2173E for ; Tue, 16 Jul 2019 15:24:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387959AbfGPPYh (ORCPT ); Tue, 16 Jul 2019 11:24:37 -0400 Received: from LLMX2.LL.MIT.EDU ([129.55.12.48]:38500 "EHLO llmx2.ll.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728290AbfGPPYh (ORCPT ); Tue, 16 Jul 2019 11:24:37 -0400 X-Greylist: delayed 670 seconds by postgrey-1.27 at vger.kernel.org; Tue, 16 Jul 2019 11:24:37 EDT Received: from LLE2K16-MBX02.mitll.ad.local (LLE2K16-MBX02.mitll.ad.local) by llmx2.ll.mit.edu (unknown) with ESMTPS id x6GFDIXn004512; Tue, 16 Jul 2019 11:13:18 -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//vbsQgABSeoCAASdFwIAHs2Eg Date: Tue, 16 Jul 2019 15:13:15 +0000 Message-ID: <23c64fbdcdb14517a01afaecc370a914@ll.mit.edu> 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: [172.25.1.10] 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=2019-07-16_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-1907160185 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org T24gNy8xMS8yMDE5IDExOjE1IFBNLCBQcm91dCwgQW5kcmV3IC0gTExTQyAtIE1JVExMIHdyb3Rl OiANCj4gSSBpbiBubyB3YXkgaW50ZW5kZWQgdG8gaW1wbHkgdGhhdCBJIGhhZCBjb25maXJtZWQg dGhlIHNtYWxsIFNPX1NOREJVRiB3YXMgYSBwcmVyZXF1aXNpdGUgdG8gb3VyIHByb2JsZW0uIFdp dGggbXkgc3ludGhldGljIHRlc3QsIEkgd2FzIGxvb2tpbmcgZm9yIGEgY29uY2lzZSByZXByb2R1 Y2VyIGFuZCB0cnlpbmcgdGhpbmdzIHRvID4gc3RyZXNzIHRoZSBzeXN0ZW0uDQoNCkkndmUgbG9v a2VkIGludG8gdGhpcyBzb21lIG1vcmU6IEkgYW0gbm93IGFibGUgdG8gcmVwcm9kdWNlIGl0IGNv bnNpc3RlbnRseSAob24gNC4xNC4xMzIpIHdpdGggbXkgc3ludGhldGljIHRlc3Qgc2VlbWluZ2x5 IHJlZ2FyZGxlc3Mgb2YgdGhlIFNPX1NOREJVRiBzaXplICh0ZXN0ZWQgMTI4S2lCLCA1MTJLaUIs IDFNaUIgYW5kIDEwTWlCKS4gVGhlIGtleSBjaGFuZ2UgdG8gbWFrZSBpdCByZXByb2R1Y2libGUg d2FzIHRvIHVzZSBzZW5kZmlsZSgpIGluc3RlYWQgb2Ygc2VuZCgpIC0gdGhpcyBpcyB3aGF0IHNh bWJhIHdhcyBkb2luZyBpbiBvdXIgcmVhbCBmYWlsdXJlIGNhc2UuIExvb2tpbmcgYXQgdGhlIGNv ZGUsIGl0IGFwcGVhcnMgdGhhdCBzZW5kZmlsZSgpIGNhbGxzIGludG8gdGhlIHplcm9jb3B5IGZ1 bmN0aW9ucyB3aGljaCBvbmx5IGNoZWNrIFNOREJVRiBmb3IgbWVtb3J5IHRoZXkgYWxsb2NhdGUg KHRoZSBza2Igc3RydWN0dXJlKSAtIHRoZXknbGwgaGFwcGlseSAib3ZlcmZpbGwiIHRoZSBzZW5k IGJ1ZmZlciB3aXRoIHplcm9jb3B5J2QgcGFnZXMuDQoNCkluIG15IHRlc3RzIEkgY2FuIHNlZSB0 aGUgc2VuZCBidWZmZXIgdXNlZCByZXBvcnRlZCBieSBuZXRzdGF0IGdldHRpbmcgdG8gbXVjaCBs YXJnZXIgdmFsdWVzIHRoYW4gdGhlIFNPX1NOREJVRiB2YWx1ZSBJIHNldCAod2l0aCBhIDEwTWlC IFNPX1NOREJVRiwgaXQgZ290IHVwIHRvIH41Mk1pQiBvbiBhIHN0YWxsZWQgY29ubmVjdGlvbiku IFRoaXMgb2YgY291cnNlIGVhc2lseSBjYXVzZXMgdGhlIENWRS0yMDE5LTExNDc4IGZpeCB0byBm YWxzZSBhbGFybSBhbmQgdGhlIFRDUCBjb25uZWN0aW9uIHRvIHN0YWxsLg0K