Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp10519341ybl; Thu, 26 Dec 2019 19:52:26 -0800 (PST) X-Google-Smtp-Source: APXvYqz8LZ0v+RXy+qlRgXycwPgL15fbqGWCDDEpEdxB51F7HmCvOxR+XmZi9rva1iHzu/o9IOZC X-Received: by 2002:a05:6830:121a:: with SMTP id r26mr47522275otp.225.1577418746182; Thu, 26 Dec 2019 19:52:26 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1577418746; cv=none; d=google.com; s=arc-20160816; b=cAAKWDc4MbtbIx8ZrsQTnvxeyy7CC/zcEVmCHSGNJ/pxtW3MXdYptLGWGcUI5uYcJ5 DgnIjxF6VpBaRyX6X8sHUEfKIoLfINe/RZw+dcC3OKyv11DTiRT+BPhfT1UmYIoLLGgH L7Y7875mCju5KbMDd4vqnFlXS/jAOc6j8T3reFNXY8v1iXkPGYbmyNxhHtgVx53FnBVH xLK7lksNtDZFhAQCGzc6CHlCBMFh2tnA0d9iFUzFDfIZVlTEWOvPOyaNXK3eFgfOa9/J 9EMKzVXZljaqbiCRROQGBa1LL/LhNo29wSzQF1/dvFlvHoaumSFFbtJxsYPoFiAv1IwN VeUA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=X28Eu+H0R7isIu0zMhh5cpt8djyO9YcV6tOOZlBOjtA=; b=k8Rmh80CH11qRc3RUU6GWeiKVt9CtJI2rifm98Fv2ATUg+reMfbL+d4X2PKYfLaLsu CPOHVxzrxTY2Wg1UhObfQmg1AuMQlo06fmjGaLKAJsbht2MjdyIRrzavDFc4WKjYmDFz UjjyON1QJRrSiStSS7T7Xrf2epzshg0fFVJJG9KPNdOjK+nznWG9O8x34gx204ENgY9v q5JwX/7vvokRK/iLIsCpqTJUjkM4yMG1jn8fFmGRxgofkyj03CcfDkYrj5GslBldKysX 4Q/riljV9rT3gS1/fGRWERpmF+g6WKQqbGsgbZf1TsUuVRq1T37PLODTyAGP3gdelO72 l7BA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Ps002pRs; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j24si14059184otk.76.2019.12.26.19.52.02; Thu, 26 Dec 2019 19:52:26 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Ps002pRs; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727186AbfL0Dut (ORCPT + 99 others); Thu, 26 Dec 2019 22:50:49 -0500 Received: from mail-ot1-f67.google.com ([209.85.210.67]:45023 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726804AbfL0Dut (ORCPT ); Thu, 26 Dec 2019 22:50:49 -0500 Received: by mail-ot1-f67.google.com with SMTP id h9so32125528otj.11; Thu, 26 Dec 2019 19:50:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=X28Eu+H0R7isIu0zMhh5cpt8djyO9YcV6tOOZlBOjtA=; b=Ps002pRsFpiGlXurUYOKlOUlQTwcmt9Q6Msftj/wo6iE/p9n+efTUlKmMelGuafCbH KxcGfwnnAHBxNNMBByAQh+2EQh2O4JylrCUPss5sVKzLeJOUHxm810YC7yIY+O7tPtHm LSzfAMROsIyGy0F887UTs3/8G9ri+iPCka1EPbh5fc6Cz31zFNHO3hv/J8RWOBRID9bf ExfQ4FGVCTmNzsByiBAJ5sWn88NETb8lcTSoLpZztVoyBzzdgfCBAw/yqqLjXGErbETk hm4xyoixBl6xnJCblKWsi4iOhgjnyX//3TegHJ6kmYF+me817RN4w2MZ4oL8rG9CPFjs Jp5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=X28Eu+H0R7isIu0zMhh5cpt8djyO9YcV6tOOZlBOjtA=; b=ECUevmYBX7L94o6YQkUsdRWqxf5rjDcfYGAz3fqctKhu/io+QtaZMB/RdiamDZvF+F ZgNL5ia+msVL3ay2uj+QUH1Zu9xonhJAWI9QGP2GY09wLBzYLZJvf5ZJITt29jYW7FWz xNfQ0WQ9Em1EshrCJLvxXlnNO96V/gLs7N2nsaJ61VT5rUwDa8Di9DQkJX1lA7oQCGZV CSyfOAXU7GggfjQibu5RE8QJCTmZVECea/Du0SR7E1oDWAfqnUS/e+wcpIhH46Jc2RaI jpFEKnLjo3EWQu937nk9CIZ38LXylUG0eQIw3wfOBJmcaeV4Kct8z3KH9C/ZzccmG4NT 9NgQ== X-Gm-Message-State: APjAAAW1gucmpgsCJBp/TeyChulhlfE4n9aKIT6GksXdrNEbUaSpxI5E z2p3oo/16x9cYaqNYyE/NfcMAJyx2pFGrNr5MBA1Dg== X-Received: by 2002:a9d:da2:: with SMTP id 31mr52278608ots.319.1577418648220; Thu, 26 Dec 2019 19:50:48 -0800 (PST) MIME-Version: 1.0 References: <00000000000057fd27059aa1dfca@google.com> <00000000000015fd8f059aa682d3@google.com> In-Reply-To: <00000000000015fd8f059aa682d3@google.com> From: Cong Wang Date: Thu, 26 Dec 2019 19:50:37 -0800 Message-ID: Subject: Re: general protection fault in xt_rateest_tg_checkentry To: syzbot Cc: coreteam@netfilter.org, David Miller , Eric Dumazet , Florian Westphal , Jozsef Kadlecsik , kadlec@netfilter.org, LKML , Linux Kernel Network Developers , NetFilter , Pablo Neira Ayuso , syzkaller-bugs Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 26, 2019 at 6:47 PM syzbot wrote: > > syzbot has bisected this bug to: > > commit 3427b2ab63faccafe774ea997fc2da7faf690c5a > Author: Cong Wang > Date: Fri Mar 2 02:58:38 2018 +0000 > > netfilter: make xt_rateest hash table per net Yes, net pointer is missing in initialization... I will send out a patch. Thanks!