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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97F1AC43334 for ; Sat, 25 Jun 2022 01:53:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231628AbiFYBxM (ORCPT ); Fri, 24 Jun 2022 21:53:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230388AbiFYBxK (ORCPT ); Fri, 24 Jun 2022 21:53:10 -0400 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD00822BC0 for ; Fri, 24 Jun 2022 18:53:09 -0700 (PDT) Received: by mail-il1-f200.google.com with SMTP id 3-20020a056e0220c300b002d3d7ebdfdeso2590687ilq.16 for ; Fri, 24 Jun 2022 18:53:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=GtGyCwocl0Yp8tVlP9BXhAQlgSd3iI9ATo+V/AeC5gg=; b=H+lmSJoWq/Im5O63kahSOV1DcJ1aR4wH0Q01pZQsi89UpzZviN3EJvhuJvr8AoYmES pjf2u0hFnydlL71XnT5eD3cFLfY2XdGg2PzCedt/HqTBvkr76LLCAjqnXONIE2TK2IAj f7ixJKONjQfR3ZtO1HVJVvnjbMevJ5EBYDC9AGhHkpiwEdWfaR78MdchNEMT6xVP0It6 MSiIxITSI00uzBB2FI46gGyqvrVJTzGgAKqniU/0Yb5XlaSjpBjONsNtBGDVGu4ZepfT D0S8lF+YadcYdIQCPbrePpc+yAn7UHfUy5NvQbC7VqsEVIkWIXtYPbxqqF9qWdVFv/YA dYmQ== X-Gm-Message-State: AJIora+yd86BfHbLK5wSrWT5dkRgz8cvfmMS9XoPGJbNEqLPcOTSHhjs xqbkuNCISWUVKsp5C+PyKfXrWAnWogJ51eq3sw31L4sJ3LAk X-Google-Smtp-Source: AGRyM1vCuOH7osTjkET3EpP/lgx/hPHI2xJ7gxMA1L9hrWwn/2kKC25W0hxATcCxtgqi9R1x5QR2B1ZAFGmjLZt1TwAN96O05JX6 MIME-Version: 1.0 X-Received: by 2002:a05:6638:16c2:b0:332:3901:d8b7 with SMTP id g2-20020a05663816c200b003323901d8b7mr1235438jat.73.1656121989315; Fri, 24 Jun 2022 18:53:09 -0700 (PDT) Date: Fri, 24 Jun 2022 18:53:09 -0700 In-Reply-To: <20220624230752.745-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e0c4ce05e23bf2bc@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in free_netdev (3) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" 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+b75c138e9286ac742647@syzkaller.appspotmail.com Tested on: commit: b4a028c4 ipv4: ping: fix bind address validity check git tree: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git console output: https://syzkaller.appspot.com/x/log.txt?x=15fe514bf00000 kernel config: https://syzkaller.appspot.com/x/.config?x=70e1a4d352a3c6ae dashboard link: https://syzkaller.appspot.com/bug?extid=b75c138e9286ac742647 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=175c6e37f00000 Note: testing is done by a robot and is best-effort only.