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=-16.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_DEF_DKIM_WL autolearn=unavailable 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 1F947C388F9 for ; Wed, 11 Nov 2020 14:03:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC01B206B5 for ; Wed, 11 Nov 2020 14:03:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="sn1NyOyk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727196AbgKKODw (ORCPT ); Wed, 11 Nov 2020 09:03:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725908AbgKKODB (ORCPT ); Wed, 11 Nov 2020 09:03:01 -0500 Received: from mail-qt1-x843.google.com (mail-qt1-x843.google.com [IPv6:2607:f8b0:4864:20::843]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 674DDC0613D1 for ; Wed, 11 Nov 2020 06:03:01 -0800 (PST) Received: by mail-qt1-x843.google.com with SMTP id b16so1069197qtb.6 for ; Wed, 11 Nov 2020 06:03:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=fop/5FcBYqp1EBb0J0yxC9ZD7voBHevk86AMf6jgdxM=; b=sn1NyOykSACfdi1Rv5XhNBLkcQi2W0ropTn56ckWh2Z2KVCVK3yXxwJbCZJm2c/vhI zbe2xJsdNM+uIpP3LQ0V5l2RGIU2aMd05Q/q2KfqQ7i2EY+Kg4k6Lwkb9uWtMRN41lUN PCSAkL+gWA8a50M6AyKD0N/amtzM047JQHF00Zyb5lfAtwjDAX1zFJcYyBRtVsd5JvY7 kNaHujbmHIa0FIYGLRGYD7Hmw3o03XRoeTu9c6N7dGiMigWtNSuzRRDgQnHfZ7iOA8mR RvH4LMS8iyo2d12iTMdnaU5b8bCUkIQpXjHdmxu11pwc8i31tK2fL1MJ4913Lqz34TQb G3mw== 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; bh=fop/5FcBYqp1EBb0J0yxC9ZD7voBHevk86AMf6jgdxM=; b=C1ecWu09op+iz126IonIdXizyzzPT9UykoCRFOuQ6uIZm68nSNlfpHfULqvHXK9fEQ Nf1bN3eeGHkEJMk8F1O1SMm/BkFTp9fK4huAjTUgn8NDPKDtqyp5sbxm+MmiuxI04qaZ 0WjiHA90xqtyL4J65AYryTqUeq1wPMjLt3KQVt2Rx3POD0LiP4GIgCXcB38jr7hG/rmi yAzIZgmdC6gye6Kfp+p/eU/DMVUoAnJ5L9TFEMugy4iSa5rU2IXo3npEeok8OvWHXE9c 26s01NMbwkCIizu6dVUpyPHExptAsHYZj/LBosYnvslU58wdw+ZefJne5GzzFgX/AjWh wDRw== X-Gm-Message-State: AOAM531x0Ad9E8EGyng+Ry309OBJ7hWqeJgHlpIVkquRm7kbXCZkpaSN NzC6/Ocd2/887IemxFpzorNqOq8GQEz8uHHUCT4vIg== X-Google-Smtp-Source: ABdhPJxLT6erSrr/ltStEmpl/WsryKcih7RpQd6VHdCsY8O7dVsTLr6/S5PXbuRITY7bFVeU3jawQrrHHe0eqpMqHUI= X-Received: by 2002:aed:2b47:: with SMTP id p65mr22176340qtd.337.1605103380353; Wed, 11 Nov 2020 06:03:00 -0800 (PST) MIME-Version: 1.0 References: <0000000000000a9cca057cd141bd@google.com> <000000000000f472ee05a6764e46@google.com> In-Reply-To: <000000000000f472ee05a6764e46@google.com> From: Dmitry Vyukov Date: Wed, 11 Nov 2020 15:02:49 +0100 Message-ID: Subject: Re: inconsistent lock state in icmp_send To: syzbot , LKML , netdev , syzkaller-bugs , tipc-discussion@lists.sourceforge.net Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, May 25, 2020 at 12:19 PM syzbot wrote: > > syzbot suspects this bug was fixed by commit: > > commit 1378817486d6860f6a927f573491afe65287abf1 > Author: Eric Dumazet > Date: Thu May 21 18:29:58 2020 +0000 > > tipc: block BH before using dst_cache > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10cbef06100000 > start commit: f5d58277 Merge branch 'for-linus' of git://git.kernel.org/.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23 > dashboard link: https://syzkaller.appspot.com/bug?extid=251ec6887ada6eac4921 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10ab6ba3400000 > > If the result looks correct, please mark the bug fixed by replying with: > > #syz fix: tipc: block BH before using dst_cache > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz fix: tipc: block BH before using dst_cache