Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp858955ybh; Wed, 22 Jul 2020 15:25:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzgIOLI185ATKY3wVXq6XtNxcq/tmSYZ0ykpbYLwGfrwV7yWko00dXbjhxqMG4CjWgnM/9F X-Received: by 2002:a17:906:23e9:: with SMTP id j9mr1593447ejg.107.1595456740527; Wed, 22 Jul 2020 15:25:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595456740; cv=none; d=google.com; s=arc-20160816; b=WUIRfv7vQu8psJwabMr8nSAdoz3dRCYNZhjCqAYgJCCqFgbsG9QDlxTbfdR5DRAQGM TA203lZhGgmOezVtljzolM2/92xsX8C/R3707cHT4Ao6zIrigucj0hPfWysg0DaFh4Mq Xs4xHD8opHSa0fXvf5NGNU1v0O+MbhjbugyzkQvCjuaB8TrymjwNGufGOySYn4pZN4TH PgjC+5kvjtYYdHrdbK/hnPgb78nYSl0u22WSinUnx39yCiKbYwgyAdiwFud8VfGAlIQR u7OFQA/Yfr7SeQHuyAKU3Ma//dcHD2GozqjO+Z58Egz2R7htTIMtgVkIpupuxQjQG7nj mEPA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=wyels00yuO2hXMVYbZQVnCTESUbWVpmiNO+l3fFwAEg=; b=StPUIVzw3adFLIU9Bm65uWhVfUsPUarXLZKfGeTM2BhOa4tEHebrzi6aNyccDHTrBS m1f1UQRNlKSJeAonONdmMX97K9QkH5ykH99PVY3lPj4kUjUPvyckaRpS9o6KANxr8mwy vS0HL9+/nU0rroqe3ywRRuDxz+dN65ov3dgPeYrxdxNfoNqa43Pa3rzd/kXeP7z8l9d2 1l1q3QR4KpzdhqCpjq56kzFaHIdEepCne8p72pgcmwWDnL3CoqruPEZ8rBi6ujy1j2PU bASyKvChmeABURAvzo7yvRgXBbyrINlXzhTnmsV+EFQKvmlyAFSYdCeKrJ9ZRELwO6gK pZFw== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p2si781962edr.239.2020.07.22.15.25.16; Wed, 22 Jul 2020 15:25:40 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729234AbgGVWYI (ORCPT + 99 others); Wed, 22 Jul 2020 18:24:08 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:40041 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726642AbgGVWYI (ORCPT ); Wed, 22 Jul 2020 18:24:08 -0400 Received: by mail-il1-f198.google.com with SMTP id z16so2132073ill.7 for ; Wed, 22 Jul 2020 15:24:07 -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=wyels00yuO2hXMVYbZQVnCTESUbWVpmiNO+l3fFwAEg=; b=a7Dn8QAppHRg3swKgSoYEhfPSCwZljN/XhunOBx+FKFGMycY0GYEtHXL4hF+1la9Rg Mc7UkZeRh0RBCrIRAutjhfiXlyhB7Y3s3qfWf9oreihah6EpDj0wWngYWCjBkKpKbcWv fFEgZPv6F+GxhEz6F1A4tRMi2EIg4wDKuWA/Tmt1jbq1GYPgYl/wRQcO63uN/49DcnNz nbWs5uAtbhmqOpHzNhZy8C2rr8A+NdD0+TEBKpKJAqCBPoeucv0CIP01kHED5glZhzGL a0p6pikd6LjQfXEtVuaW9JP7qD5YZlUfYH95y/Lrp62jxjg3pynQ6ukCsvYPPN7eOtDf eu4Q== X-Gm-Message-State: AOAM5335BX/Urw5VuoCkTt0P7djzCuWKiWr/gD75FLvyqOlE9a+noFvn e0VBrwF6N0B/SCINnhvGYr1vogQ/DRG41KOx0CKc4TbvWnOF MIME-Version: 1.0 X-Received: by 2002:a05:6638:13ce:: with SMTP id i14mr1515751jaj.62.1595456647624; Wed, 22 Jul 2020 15:24:07 -0700 (PDT) Date: Wed, 22 Jul 2020 15:24:07 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000bc7a5905ab0f32b9@google.com> Subject: Re: KASAN: use-after-free Write in __linkwatch_run_queue From: syzbot To: andrew@lunn.ch, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.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 Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+bbc3a11c4da63c1b74d6@syzkaller.appspotmail.com Tested on: commit: 0c473089 bonding: fix register_netdevice() in bond_newlink() git tree: https://github.com/congwang/linux.git net kernel config: https://syzkaller.appspot.com/x/.config?x=dddbcb5a9f4192db dashboard link: https://syzkaller.appspot.com/bug?extid=bbc3a11c4da63c1b74d6 compiler: gcc (GCC) 10.1.0-syz 20200507 Note: testing is done by a robot and is best-effort only.