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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 4CA13C4360C for ; Wed, 9 Oct 2019 01:24:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 280E820873 for ; Wed, 9 Oct 2019 01:24:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729960AbfJIBYB (ORCPT ); Tue, 8 Oct 2019 21:24:01 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:40291 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729839AbfJIBYB (ORCPT ); Tue, 8 Oct 2019 21:24:01 -0400 Received: by mail-io1-f71.google.com with SMTP id r20so1776668ioh.7 for ; Tue, 08 Oct 2019 18:24:01 -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=sTtRhHB+FIjWWxBw0tW/N10Uhy+DblHPCwc6eoAtz5k=; b=WrWDmY69aAXoDxW85jG4R5zQcR7pLG2ibBh22tAdUS9y6mddYkLlHkPfp2cYg/fWhn S+7BoZyXYjdEmQHu4q8RNm6/wPIHRHqZ2L59vE3f5lPCa25SI/WmXGeJqVTPPQZ6+8w1 xrw0yUgRj64TY1nMPG7uA+NC/+69o7eISlEQ6dW9zPpr6Mk64bdvEbFGVwEXlnZt4VhM KuKiZt5wtEV1+T9fOhXMn4syZW0OYvRGheqiEfCScLQdd3+/c82OzEiuzbJv9Mxr9yts x5Qesz4qMYJbNpHRBmAzGAdn1EhJxBs/+vMzYILvtoMknwhYy2Ea1/iakkwv00tuTDsG PmLg== X-Gm-Message-State: APjAAAXRVtJgVPkf9ymqkT092rBt2yGCqNMdUetvWhlP4BipGzsmV9I5 uV3wOAuFcjxkDwucvqF0Cykonh5Ga3CRe8OJEP8zG6jLkTOI X-Google-Smtp-Source: APXvYqyml+7hac2zw8kA+I+beki59R3+vmtmhi38APoNrgs+TwehFpFdJXlSQvQdoHGpVepARpzBN69101g2pAxrteTrw07JUTF4 MIME-Version: 1.0 X-Received: by 2002:a5e:d917:: with SMTP id n23mr1244594iop.28.1570584240714; Tue, 08 Oct 2019 18:24:00 -0700 (PDT) Date: Tue, 08 Oct 2019 18:24:00 -0700 In-Reply-To: <000000000000ba89a9059456a51f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c1f845059470233a@google.com> Subject: Re: KASAN: use-after-free Read in nl8NUM_dump_wpan_phy From: syzbot To: alex.aring@gmail.com, davem@davemloft.net, jiri@mellanox.com, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stefan@datenfreihafen.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-wpan-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wpan@vger.kernel.org syzbot has bisected this bug to: commit 75cdbdd089003cd53560ff87b690ae911fa7df8e Author: Jiri Pirko Date: Sat Oct 5 18:04:37 2019 +0000 net: ieee802154: have genetlink code to parse the attrs during dumpit bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14620210e00000 start commit: 056ddc38 Merge branch 'stmmac-next' git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=16620210e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12620210e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=d9be300620399522 dashboard link: https://syzkaller.appspot.com/bug?extid=495688b736534bb6c6ad syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10e256c3600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=175ecdfb600000 Reported-by: syzbot+495688b736534bb6c6ad@syzkaller.appspotmail.com Fixes: 75cdbdd08900 ("net: ieee802154: have genetlink code to parse the attrs during dumpit") For information about bisection process see: https://goo.gl/tpsmEJ#bisection