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=-4.0 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 1D459C433E0 for ; Wed, 22 Jul 2020 20:29:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E28F620684 for ; Wed, 22 Jul 2020 20:29:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730702AbgGVU3F (ORCPT ); Wed, 22 Jul 2020 16:29:05 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:54301 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726539AbgGVU3F (ORCPT ); Wed, 22 Jul 2020 16:29:05 -0400 Received: by mail-il1-f199.google.com with SMTP id d18so1903695ill.21 for ; Wed, 22 Jul 2020 13:29:04 -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=J+35V1GhRYpImLMMK2GI/sO17Jyt3p/2anYHKeEsSGE=; b=iDgbHqsVQmvFUt7no3gfCkMcXXvOfpqFVYf6eTHIc2BazWBmJGKQ2hCMplZk9zuWnk 4sWTofZ63T17PEfOOqNWOg8Sc1P1W59RUvbfycwCTSpzKxxEcOVNaCwLdUdrSBgMyz2+ +2GjxIwygkUIh92PY1rdfi9iiGyPqgdkqdxrmJhT3YUA1ykS62i+gajRSNUG5LO1ejYe m3en+4Y2KqDdm3IcC2RK6wI5Qs1fuKxAupa0ZLoyVhKApu4QRvGNfMm10RkgTy2n6Cbh 9zVWTKigHKcaBnvmIq3B0FY6jLVnKie8gFAYFXlK8sczI1FuzxmlMP5idJFhEaJ/M72U uIAA== X-Gm-Message-State: AOAM531pbxCyczRezBVQIT4T6Fp/rYU7kt6DAmML2zg8dVTEqOyPFTXb F5elsMu/gW+Dh4Qa4nbWz0pS3g4MU2Xsf9M60AHv8suGHfWd X-Google-Smtp-Source: ABdhPJxHK6WbX/I4a7/yMyShEPLIR0Q9QECWtZRgxeRHjQAiPmIUBL9QFevmt3eA7WbXHH2iZgv3Tq89tpWot0N8y5MnqAgDQh6w MIME-Version: 1.0 X-Received: by 2002:a92:8b45:: with SMTP id i66mr1708429ild.19.1595449744109; Wed, 22 Jul 2020 13:29:04 -0700 (PDT) Date: Wed, 22 Jul 2020 13:29:04 -0700 In-Reply-To: <0000000000005b9fca05aa0af1b9@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000041388e05ab0d97aa@google.com> Subject: Re: KASAN: use-after-free Read in netdevice_event_work_handler From: syzbot To: andrew@lunn.ch, davem@davemloft.net, dledford@redhat.com, f.fainelli@gmail.com, hkallweit1@gmail.com, jgg@ziepe.ca, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux@armlinux.org.uk, netdev@vger.kernel.org, rkovhaev@gmail.com, syzkaller-bugs@googlegroups.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 d70c47c8dc6902db19555b7ff7e6eeb264d4ac06 Author: Heiner Kallweit Date: Thu Apr 23 19:34:33 2020 +0000 net: phy: make phy_suspend a no-op if PHY is suspended already bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16b2aad8900000 start commit: 0bddd227 Documentation: update for gcc 4.9 requirement git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=15b2aad8900000 console output: https://syzkaller.appspot.com/x/log.txt?x=11b2aad8900000 kernel config: https://syzkaller.appspot.com/x/.config?x=66ad203c2bb6d8b dashboard link: https://syzkaller.appspot.com/bug?extid=20b90969babe05609947 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12a8edff100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=167d3bb7100000 Reported-by: syzbot+20b90969babe05609947@syzkaller.appspotmail.com Fixes: d70c47c8dc69 ("net: phy: make phy_suspend a no-op if PHY is suspended already") For information about bisection process see: https://goo.gl/tpsmEJ#bisection