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=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 1235CC3A5A0 for ; Mon, 19 Aug 2019 21:22:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DAA2222CEC for ; Mon, 19 Aug 2019 21:22:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=netronome-com.20150623.gappssmtp.com header.i=@netronome-com.20150623.gappssmtp.com header.b="SjxVcsjp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728599AbfHSVW2 (ORCPT ); Mon, 19 Aug 2019 17:22:28 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:33027 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728014AbfHSVW2 (ORCPT ); Mon, 19 Aug 2019 17:22:28 -0400 Received: by mail-qt1-f195.google.com with SMTP id v38so3612890qtb.0 for ; Mon, 19 Aug 2019 14:22:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netronome-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :organization:mime-version:content-transfer-encoding; bh=Eyvjuyl6e+48GXyoQtQ0Bav0v4bio9vejLA0zjYntlQ=; b=SjxVcsjpNDsxMB43E9GO9HuatiRTR2hWaKxQD8EtovL2PQH83fXQqTKsTqm3XPtjjw 7Vk4uHZ8mj23l2CPavnsa2zgP50UGD+hS6WWf2mtZT4f6RbRSv39+Snnf+UIBCY6K7Q4 7Y0qWNMlPOsng5vAsDaREC00Xx59sfrw9zRmIGpS+I3ZriW8ndH5mDMoatt0NoVf9k13 S4DFZqBfy4XdI1Yf0YXF1r7uwXkDkqJYNlk/ifUnyCiSMGWqX+BinsCdifBnzLFAG17/ LDl8AybhmMx8kvFkxmGyWxICYwc0oU7PeRMsbXEwRDfE919SpeCAeJj7F91AXpRpF7d9 YskA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:organization:mime-version:content-transfer-encoding; bh=Eyvjuyl6e+48GXyoQtQ0Bav0v4bio9vejLA0zjYntlQ=; b=GJLZfSo8Cw7CV35M9ub69ohsDTKNuBxfoU7dC/M73InFGm2NvG/WaRGaY170nwQ940 0D72Ne5LHYPIpW8R5Hdt16XDKu8Q7z1PHd2eLH/JMPkNnPDh2ABfzOq+9O4xm1M63nD7 QRGLAwiIKIxwxdHLvykpWQCC35Gr8nqj+r4AhlYz3M//pvg8VW//2z1M84KHI3weyvjo ZfKCJh5dKBstibchyLscljJOccO4GvROs2l1EmNQdLzc2okaOpCFCGOn0GrUhldwY5Se 84K7BrSo3UsHY/EEtLmIUJ4b9ge6GOUH8Z9Vm2Nb5bCdQw/YLFR5QV+tXWgIpc6U6kCT /v/A== X-Gm-Message-State: APjAAAWkbUCzigVbfz1lzgNuFhzlRcbgN90w5nuo54Azku8c2ua5Qlbz MPQM08U7HFyXq9at188Mw6GFPg== X-Google-Smtp-Source: APXvYqwZjrxoURDZUnFvrPAuAYmIucmRL5XJOtPCZmkOlm9gcOGuN4XKpxMjR/HF61FZDPkjdzTfFA== X-Received: by 2002:ac8:3258:: with SMTP id y24mr22710720qta.183.1566249747361; Mon, 19 Aug 2019 14:22:27 -0700 (PDT) Received: from cakuba.netronome.com ([66.60.152.14]) by smtp.gmail.com with ESMTPSA id h13sm7579776qkk.12.2019.08.19.14.22.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Aug 2019 14:22:27 -0700 (PDT) Date: Mon, 19 Aug 2019 14:22:20 -0700 From: Jakub Kicinski To: syzbot Cc: aviadye@mellanox.com, borisp@mellanox.com, davejwatson@fb.com, davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: KASAN: use-after-free Read in tls_write_space Message-ID: <20190819142220.264040d8@cakuba.netronome.com> In-Reply-To: <0000000000003dab1605704fb71d@google.com> References: <0000000000003dab1605704fb71d@google.com> Organization: Netronome Systems, Ltd. MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, 06 Jul 2018 00:36:02 -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 1a84d7fdb5fc Merge branch 'mlxsw-Add-resource-scale-tests' > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=17dec75c400000 > kernel config: https://syzkaller.appspot.com/x/.config?x=a63be0c83e84d370 > dashboard link: https://syzkaller.appspot.com/bug?extid=2134b6b74dec9f8c760f > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > > Unfortunately, I don't have any reproducer for this crash yet. > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+2134b6b74dec9f8c760f@syzkaller.appspotmail.com #syz dup: general protection fault in tls_write_space