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=-9.0 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 281C5C433DF for ; Wed, 12 Aug 2020 11:53:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04C252065C for ; Wed, 12 Aug 2020 11:53:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727822AbgHLLxI (ORCPT ); Wed, 12 Aug 2020 07:53:08 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:51351 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726804AbgHLLxG (ORCPT ); Wed, 12 Aug 2020 07:53:06 -0400 Received: by mail-io1-f69.google.com with SMTP id p12so1321772iom.18 for ; Wed, 12 Aug 2020 04:53:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=B2XBYhisqp6tEPr1SWV7r0qTPPRBG8RGgFOkZIhiErs=; b=rN9ikRxgAOnmLsg8WTL+MlwnnPZ5yZ86kE1XMfpQtnhhTZyu0Nv32uaZEt0PjHqW6G dlVasPvxRPtKcGgsxVstFNYx8rmhE/tQ7ptfJc4JtC/dianFMq0y3tsMqnknjmXBEOLa So1CSWF7yFgHpPPNJHAjw/DhlgfgbOcHNnST9Z763npyAW9yXPmMlhtLha9xkTqNYRoh rs4xvlHzdea+YKp1G6OQ6H2+/leoguC9pDgk0CSulXh9uYeJIrL8YVqNYLErZPQFgnjM 6dV4m14igkBiq1CpCln26d7Mtm1x36jvIQBWD6FzsdIOOlqmmhyPceRKey4Jz2IlcaOa lmvg== X-Gm-Message-State: AOAM533woF7jew/2f6/QKoJO8XdNNyPyDLXljYFs9xQCCvgzlmm6uzPf D27GX+/MfUtTTk/4cGpWP//iK4Ml6ZeJ03IUYzPw1Ak4CtCg X-Google-Smtp-Source: ABdhPJwSPrkgCaup1SjOCAR16Fo+u9HMyTY31ucZoFvU9HtaLXAhs87kgh1Bhqar1P+Xvom82jDtrsssjIXd6DO1+zkiyXhX5nt2 MIME-Version: 1.0 X-Received: by 2002:a05:6638:13c7:: with SMTP id i7mr32115461jaj.52.1597233185871; Wed, 12 Aug 2020 04:53:05 -0700 (PDT) Date: Wed, 12 Aug 2020 04:53:05 -0700 In-Reply-To: <000000000000d411cf05a8ffc4a6@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000aae24a05acacd485@google.com> Subject: Re: WARNING: suspicious RCU usage in tipc_l2_send_msg From: syzbot To: arnd@arndb.de, davem@davemloft.net, gregkh@linuxfoundation.org, jarkko.sakkinen@linux.intel.com, jgg@ziepe.ca, jmaloy@redhat.com, jsnitsel@redhat.com, kuba@kernel.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, peterhuewe@gmx.de, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com 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 syzbot has bisected this issue to: commit 786a2aa281f4c4ba424ea8b8ea1e85ab62c4a57c Author: Jarkko Sakkinen Date: Mon Jul 6 20:53:42 2020 +0000 Revert commit e918e570415c ("tpm_tis: Remove the HID IFX0102") bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12fc36d6900000 start commit: 4437dd6e Merge tag 'io_uring-5.8-2020-07-12' of git://git... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11fc36d6900000 console output: https://syzkaller.appspot.com/x/log.txt?x=16fc36d6900000 kernel config: https://syzkaller.appspot.com/x/.config?x=66ad203c2bb6d8b dashboard link: https://syzkaller.appspot.com/bug?extid=47bbc6b678d317cccbe0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10c005af100000 Reported-by: syzbot+47bbc6b678d317cccbe0@syzkaller.appspotmail.com Fixes: 786a2aa281f4 ("Revert commit e918e570415c ("tpm_tis: Remove the HID IFX0102")") For information about bisection process see: https://goo.gl/tpsmEJ#bisection