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 88858C3A5A0 for ; Mon, 19 Aug 2019 22:34:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5CB8A22CEC for ; Mon, 19 Aug 2019 22:34:44 +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="PYrjGexu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728600AbfHSWen (ORCPT ); Mon, 19 Aug 2019 18:34:43 -0400 Received: from mail-qt1-f193.google.com ([209.85.160.193]:35557 "EHLO mail-qt1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728572AbfHSWel (ORCPT ); Mon, 19 Aug 2019 18:34:41 -0400 Received: by mail-qt1-f193.google.com with SMTP id u34so3793172qte.2 for ; Mon, 19 Aug 2019 15:34:41 -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=/8syMKrISRpi1LM7hCsQr+3ogO/UJ/CBR8QK6jTRgOA=; b=PYrjGexujQ7qjZ9HEQOtuMaFIDsAuSlIWNtS94bqJSfDt+JzMRd2oOrLYM3Dg4D7yH 6vSi0r+0NlolywFYZucE+X39yXuIvx719CBDU7QcxWcMBB1zKJJfc/QzccUR4P61AKw4 egl/9oz7J7Z6JbwxBmN4WMxPyQUx3/RD2XI5sdzFUuxCwxhC2/n2SWyB2G3fDCdK8joO o6/e1kBlsjD/vZWMXd49zDsfzTAI/xajN7WNZjfiPxE21RI1LRS7P1Dt59SmOeYQML2F z5DnzIRMgOLFqVZ7jawa6wN19Xex96uC5hhqhMYJ7uVeadvv02KT8ERQ4YewXfs70mqP dRnw== 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=/8syMKrISRpi1LM7hCsQr+3ogO/UJ/CBR8QK6jTRgOA=; b=KqMX9TzdLrt+wWXH8xswbZYZHQumgffEiACOQokg1/V794fGoEdg0OoB+OhbnXZknP hdHeIp9eNLTcqoypSBTk6t//EYV7ENhh0uNaAyZCUsj5471mLNhME6RXS1L7ieq3DC3U AIcZKrJgWjHjnuPSXYbo5vzML4FDeQ7LNUY3B8rvcHavbVwO6YQv82MQkBTdijsYLBhV LgGr786/CFtOFcPypnYDI1Ia/zAGFaME9BkPn0InDD4RRfrjoQc6/pByuLC/3W8afd5M WPZjyJwYkfMBT2oiMkm4jDl0DE11UVy0BCFL6hJLIgn0p+lTUibN/4cX5hLm/ewfhBFH adKg== X-Gm-Message-State: APjAAAVp1KO8HIWcfIJdYk+vxfeZcKdJlAgrqsLbhNF5nDtPuNjS4jKR SsXWbi/fXlVQsC0BqqDseXhhgA== X-Google-Smtp-Source: APXvYqxt8DIc/EEwhFZZ6YFwgGynE/NFwfuo1VlLbW1HmXwJB5q8m9Ztm89w5K6iYJ61JWS9UZia5Q== X-Received: by 2002:a0c:8cc3:: with SMTP id q3mr12065348qvb.127.1566254080873; Mon, 19 Aug 2019 15:34:40 -0700 (PDT) Received: from cakuba.netronome.com ([66.60.152.14]) by smtp.gmail.com with ESMTPSA id p3sm8945645qta.12.2019.08.19.15.34.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Aug 2019 15:34:40 -0700 (PDT) Date: Mon, 19 Aug 2019 15:34:32 -0700 From: Jakub Kicinski To: syzbot Cc: ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, kafai@fb.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com, yoshfuji@linux-ipv6.org Subject: Re: BUG: unable to handle kernel paging request in tls_prots Message-ID: <20190819153432.06c23d19@cakuba.netronome.com> In-Reply-To: <000000000000d7bcbb058c3758a1@google.com> References: <000000000000d7bcbb058c3758a1@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 Wed, 26 Jun 2019 03:17:05 -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 904d88d7 qmi_wwan: Fix out-of-bounds read > git tree: net > console output: https://syzkaller.appspot.com/x/log.txt?x=14a8b865a00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=137ec2016ea3870d > dashboard link: https://syzkaller.appspot.com/bug?extid=4207c7f3a443366d8aa2 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15576c71a00000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+4207c7f3a443366d8aa2@syzkaller.appspotmail.com That's one of the bugs John fixed: #syz fix: bpf: sockmap/tls, close can race with map free