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 A1DA1C43460 for ; Thu, 6 Aug 2020 11:04:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9129522D2C for ; Thu, 6 Aug 2020 11:04:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728268AbgHFHJG (ORCPT ); Thu, 6 Aug 2020 03:09:06 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:55300 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728443AbgHFHI2 (ORCPT ); Thu, 6 Aug 2020 03:08:28 -0400 Received: by mail-io1-f71.google.com with SMTP id k10so33889475ioh.22 for ; Thu, 06 Aug 2020 00:08:26 -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=7dfgtw1iR3AjrQXBtDJPZWn65f38aLiV7OcURuGXSL4=; b=Q+AcBoNmYEghZTu4nQ4o3sbxihFSj8hItoBGO96Zl+9TQae7Teel6lazzZkx6l4NHF czo13gnaxYGe8kTr1x6vXF6mlyOwiOw4KOch6xayGUnvHQpj9aoPOaaY382JLZzqcwg+ GKUKd8BRzBWJG7e/eQTfFrvcvjex2CSh9Sw1F1Pg8XlqhaYNI0y9E6n3XhZ7R/y9824Z fkPKCGs9t3QU9RsLAtfFMoDO2WZu5PiO7d2AH/tb2sU7YzymMq4Ydc/JTKhOEITpkf6T UHKWdez3sgxBzErta7GItmiHaASiNRHnnei0nh0DBffPHu9qc/LhRmgM6G7Wj1eIqV0W +7XA== X-Gm-Message-State: AOAM530ZEHpIO/W+UiJMTAtTdHHP4cayWAJ83pdtX5KLJ4Dtxvk/cMmY AAUw4YJXc5knBg7DfWN4A7AFpGS66jOePZXZr8OYJWzvMRP7 X-Google-Smtp-Source: ABdhPJy/NNkYLn1yvZCHE7rpwLkZOK8dRMoNBFkSPy7ou01r8UDVgYzQVGCO3tkNx8KwQ2h8PC7FmQF05vWr1AcJaPz7b8SR4Sxg MIME-Version: 1.0 X-Received: by 2002:a92:c844:: with SMTP id b4mr8694995ilq.297.1596697205171; Thu, 06 Aug 2020 00:00:05 -0700 (PDT) Date: Thu, 06 Aug 2020 00:00:05 -0700 In-Reply-To: <00000000000053e07805a9b61e09@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ba6a2d05ac300953@google.com> Subject: Re: KASAN: use-after-free Read in __cfg8NUM_wpan_dev_from_attrs (2) From: syzbot To: alex.aring@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stefan@datenfreihafen.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: linux-wpan-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wpan@vger.kernel.org syzbot suspects this issue was fixed by commit: commit bf64ff4c2aac65d680dc639a511c781cf6b6ec08 Author: Cong Wang Date: Sat Jun 27 07:12:24 2020 +0000 genetlink: get rid of family->attrbuf bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12069494900000 start commit: e44f65fd xen-netfront: remove redundant assignment to vari.. git tree: net-next kernel config: https://syzkaller.appspot.com/x/.config?x=829871134ca5e230 dashboard link: https://syzkaller.appspot.com/bug?extid=14e0e4960091ffae7cf7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11818aa7100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f997d3100000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: genetlink: get rid of family->attrbuf For information about bisection process see: https://goo.gl/tpsmEJ#bisection