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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 EF806C3524C for ; Mon, 3 Feb 2020 04:31:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BBEBD207E0 for ; Mon, 3 Feb 2020 04:31:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="VT6JWtD7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727262AbgBCEbT (ORCPT ); Sun, 2 Feb 2020 23:31:19 -0500 Received: from mail-pf1-f196.google.com ([209.85.210.196]:37124 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727205AbgBCEbT (ORCPT ); Sun, 2 Feb 2020 23:31:19 -0500 Received: by mail-pf1-f196.google.com with SMTP id p14so6873789pfn.4; Sun, 02 Feb 2020 20:31:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=B/pqc5tLbveP95ALTWC5rTGc/WIRdIa57BSU9tmG+gI=; b=VT6JWtD74yFe5niajdq4lSju87soOwnqRdDeJFW3Gq53IwYsip7tBhPHq8Two1NQeT 0HhlRP9FIbjT9Db5co0lDrX5DbAphuffzXr9ByAwNS7LiECF2xFX4wLOnrrQrKmA+niM stysnytFz+mPyA/+lpRCFi0uQLioh9C3pTvl7xUoOmxBZLbnJdP/VyQyH6T2Lc7MWgyA QFKtu8o7NPIz5APevyMYFzlaTtiWT+zrG28C9VVm5w89RVRvCYv/DCPOfiuFglJAytYN U484YHtq3H9SiI4k/fUN1MFbI0866kAnLwbhkBaC9oKQ+ZH1HXNdUvwOIhszXuTNhQFg /H4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=B/pqc5tLbveP95ALTWC5rTGc/WIRdIa57BSU9tmG+gI=; b=tZlBiT8VQ+g10MfZHBf7LDKHJaow14zuNvn6m27iwnuyOlQHSyPfcALrQ4D5KbnZge uNze8pd96cfkXvvi4wFjZO3bgZu3h4X+Qc8ILQmu7lqDVjwMID99j9eOSsUchlBfrAKM NjH3XggVQzkJftSopABnkaWcmNKimx0hGo061sbqwvTHe7Fpr84ViPjdXcm7+XOR/8nm MXwlJBEBMqtakkDKHyDwzJjPbaaWNw13kvm6Lwe6MRHivEyjuW3PVijHqYvekNYg30/e 5bKObBXZ88Z838r9R4lD1ju2QkCglVZ/DLBf9tORQx+R63Ealg5jatkPZQfIbzNK3l0z pYfw== X-Gm-Message-State: APjAAAVRpLcFYbKa9dpItD6/q63FOgNcMX1+0wYg85kz/upXU5BObMEc dq5VhF85pxBAStm6DTGjWheEeXRy/V8= X-Google-Smtp-Source: APXvYqyS7IDaujP1qN9la85QZ8laOB1qTeMXO8k9GljFAYm44rjo0mZdgxadYyE1RWu7ThNejIRXoQ== X-Received: by 2002:aa7:9a01:: with SMTP id w1mr22335004pfj.231.1580704278148; Sun, 02 Feb 2020 20:31:18 -0800 (PST) Received: from tw-172-25-31-76.office.twttr.net ([8.25.197.24]) by smtp.gmail.com with ESMTPSA id z29sm17823374pgc.21.2020.02.02.20.31.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Feb 2020 20:31:17 -0800 (PST) From: Cong Wang To: netdev@vger.kernel.org Cc: fw@strlen.de, netfilter-devel@vger.kernel.org, Cong Wang Subject: [Patch nf v2 0/3] netfilter: xt_hashlimit: a few improvements Date: Sun, 2 Feb 2020 20:30:50 -0800 Message-Id: <20200203043053.19192-1-xiyou.wangcong@gmail.com> X-Mailer: git-send-email 2.21.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org This patchset improves vmalloc allocation handling and hashlimit_mutex usage for xt_hashlimit. --- v2: address review comments Cong Wang (3): xt_hashlimit: avoid OOM for user-controlled vmalloc xt_hashlimit: reduce hashlimit_mutex scope for htable_put() xt_hashlimit: limit the max size of hashtable net/netfilter/xt_hashlimit.c | 26 ++++++++++++++++++-------- 1 file changed, 18 insertions(+), 8 deletions(-) -- 2.21.1