Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp3660314pxu; Sun, 11 Oct 2020 19:11:20 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw5tBJZfuX62t+LOmG+jy3Uw4eqh/t/y6bUpEqKhj8gKP5C0fsVunfsG4xj/5sGxtJRtQmR X-Received: by 2002:a17:906:3b91:: with SMTP id u17mr25095594ejf.504.1602468680110; Sun, 11 Oct 2020 19:11:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1602468680; cv=none; d=google.com; s=arc-20160816; b=KqAR5vLcGw7mFivjSpuzLan72a627AHaUXDd+retplHO06m6VKoVDvX+rECcAMU2X4 YuvHdwUildcgvjQs7lGqi33aF1hRKxRLReKrjVPGg4FmbIzgwcOMxcixd2Xntsm4h+0a +uw+scMVeRyW18h7IK673vzdD1SrKWYAYihzC4Q4Zlngt35wmfgXtMJW9GnDGENasGOL dDJp1ghfmkP7a94FSEaU5XH0lHmNTEeyy+yJsZgE/TyKjZWGwsDxfFHp2tmaFPpWSYP7 sgWwFuL7OKW2E0RJYd/RLwsYLoGd9vuqHKuveYAnrcdXqVn+JCkyLTJhu80sX53lFR3K 19hA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=EU2TM8VEffEJBj5T95XmFwjfPtti7OHO6q6oz4uMTK0=; b=NZyM7o1h+zezdscZAdCHGdNk2CcQXaSpvi4AdXNQXheHW1bWOCgY/Ykgoa1FG6D7Sz 4xs2qnA82TzM6phqkfZAZ/jDGDadDUrf9Gu280mrmuXNxOO8CS+aC9m3iXAuVtobqS2e 2xZBBrSvReIQwZrfw81ffOobSRHU607rj1qZmr92sygH2buSEccxF29XzsG0HNCxxivZ M5RZ99Jemajvt8lDHUa9NweSaDROmIFusGvNdbvJnpGKgJuKrfY43GZ7EGHGX2bHyNZA 7OOXeYH7jqnDqaRLQkdzPtrrhUyDXC1OzbrzuVpqCyuCidJQAcEc1Dyrhl3lYAIHSAb5 h5Zw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=XjdQOIim; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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. [23.128.96.18]) by mx.google.com with ESMTP id g14si11839362ejr.221.2020.10.11.19.10.57; Sun, 11 Oct 2020 19:11:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=XjdQOIim; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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 S1728779AbgJKTPr (ORCPT + 99 others); Sun, 11 Oct 2020 15:15:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726072AbgJKTPr (ORCPT ); Sun, 11 Oct 2020 15:15:47 -0400 Received: from mail-il1-x144.google.com (mail-il1-x144.google.com [IPv6:2607:f8b0:4864:20::144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7313AC0613CE; Sun, 11 Oct 2020 12:15:47 -0700 (PDT) Received: by mail-il1-x144.google.com with SMTP id t7so12722231ilf.10; Sun, 11 Oct 2020 12:15:47 -0700 (PDT) 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=EU2TM8VEffEJBj5T95XmFwjfPtti7OHO6q6oz4uMTK0=; b=XjdQOIimwfwPLO5ZthMIsdXA4/ncGNQNwTk3KSbBhhX1VA66f6Yvt48saPZ1dKvmuB WkGw40/eAVRXGVPXzwS71hxeWA0en4wRJ4Uf/eO/faUqsnzZK5vQiptu0sqJbhFPvYx5 BZXkl/Eppn1BYL6BiprBWNshROT9F7cta7074XenAQiD/iCElKslEtSJ3kdz/kTMmgKf gI65eR3XkMzyP7tYwTm4E2d5V5de9FNbWT8VYnF7gkqFDV7UP9nuphKpC6gUEIdgQRxD /gEp6jmNPTxBqD5pnFRJ/6gUUdivWPAt/5SvRTmT9qrCRfUT9pATdKY24Y3tdBV1DZRb B8TQ== 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=EU2TM8VEffEJBj5T95XmFwjfPtti7OHO6q6oz4uMTK0=; b=ip2yr7zzpsDE6x91oNaUuWGERKCG1Lel0c0jUJKNphh9l+o7hQmmQTxKzaoXuijn3E tkqsxi0nq3vsVjLX+9bmPgG1qxoMBDqCaKLAC6AllJhvQYtmrVtpftf51Wee+4IBKBPP Uew1GhXJaJVESiwQgrE0caOKe+91+MnMiK8UpXUq3gh54Y3z4CDBxz9rY2wrb28iZHlO ZOHNrdcSSi13hBsOutunDjiykf8e/InExh34wJqykhFQsiR6qOyJnfDiTbipcHKd62cM wnFY19mn5RtBAfp3T2n8Fu7IEQVauqieIySzkdRfgVrZmKUMLDrlqHmGYN1XcY9kC5cF wwBw== X-Gm-Message-State: AOAM530yi3lw6rUNCHdBtdvkI1p7esmahZi/NmlxuddN9MzSTVn6mBF/ L4iH2MeVTnwA3BiWiyBqzBxHBE/ZuWbqbZ/xszvFg5CwLK9WLLne X-Received: by 2002:a05:6e02:e82:: with SMTP id t2mr15227596ilj.238.1602443746821; Sun, 11 Oct 2020 12:15:46 -0700 (PDT) MIME-Version: 1.0 References: <000000000000b3d57105b05ab856@google.com> In-Reply-To: <000000000000b3d57105b05ab856@google.com> From: Cong Wang Date: Sun, 11 Oct 2020 12:15:35 -0700 Message-ID: Subject: Re: BUG: unable to handle kernel paging request in tcf_action_dump_terse To: syzbot Cc: David Miller , Jamal Hadi Salim , Jiri Pirko , Jakub Kicinski , LKML , Linux Kernel Network Developers , syzkaller-bugs Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org #syz fix: net_sched: check error pointer in tcf_dump_walker()