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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 E835CCA9ED9 for ; Tue, 5 Nov 2019 08:05:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C92AD214B2 for ; Tue, 5 Nov 2019 08:05:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388047AbfKEIFC (ORCPT ); Tue, 5 Nov 2019 03:05:02 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:47628 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387954AbfKEIFC (ORCPT ); Tue, 5 Nov 2019 03:05:02 -0500 Received: by mail-io1-f69.google.com with SMTP id r84so15045309ior.14 for ; Tue, 05 Nov 2019 00:05:01 -0800 (PST) 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=A+4AkRt/iJ32TVTQDYf76dEd7rbEn0HxYNkhXJNAhU4=; b=GN+z+vhPOaVixyurxw7lDjJfD2w+DiP5v/2eC0Fdg6qLey/9WJvi73f6PJYsJotuy3 5jznfj/Lw+bOxBeotcFd6L7V5H6WtLkKvi1DhqxJNl3SfMwXxV+uP0d78WnTYNs2g5dV eZ43Trlwv2ZC2z4AVZq5BNl3NMDo1l+oGHnQub8XMWNXCuojSpVn6VeFWHeWFbu7rEqt 2pCSV/K5Q8BdzAPV1uC3oI+MpP+HllaSxynrsE2JIlgrFY4Br4oMpOD7Vhqr5+bvV++9 lZJor6LPgZIGO+yvDaVCA97BYvu+6lVo+mQubYLFhI4Guxfe8btPV9y5VVJzAjosy75L Bisg== X-Gm-Message-State: APjAAAVAA5fO/lYcDlWt2FbVSKe1xY9LwKPFsE5fZuQv027xexyMaDjy 2rTuzg0ZYFQeimFcsaTrDcsWGo2U62HHg/JmsIC9r3SER7SN X-Google-Smtp-Source: APXvYqxxHa3WZGVREfBIgxsSHWRMFio4aR3soJvRprK7KTi8nNn6BI9Am+gZILpmI5NcZhdyGyBTD3WyVzvP9Bg1F+VtznmK0N4k MIME-Version: 1.0 X-Received: by 2002:a92:8dd9:: with SMTP id w86mr31839322ill.93.1572941101014; Tue, 05 Nov 2019 00:05:01 -0800 (PST) Date: Tue, 05 Nov 2019 00:05:01 -0800 In-Reply-To: <0000000000009393ba059691c6a3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009427b5059694e33c@google.com> Subject: Re: KASAN: use-after-free Read in j1939_session_get_by_addr From: syzbot To: Jose.Abreu@synopsys.com, arvid.brodin@alten.se, davem@davemloft.net, ilias.apalodimas@linaro.org, joabreu@synopsys.com, jose.abreu@synopsys.com, kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, mkl@pengutronix.de, netdev@vger.kernel.org, robin@protonic.nl, socketcan@hartkopp.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 2af6106ae949651d529c8c3f0734c3a7babd0d4b Author: Jose Abreu Date: Tue Jul 9 08:03:00 2019 +0000 net: stmmac: Introducing support for Page Pool bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15f481c8e00000 start commit: 1574cf83 Merge tag 'mlx5-updates-2019-11-01' of git://git... git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=17f481c8e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13f481c8e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=c26333525dde4c39 dashboard link: https://syzkaller.appspot.com/bug?extid=d9536adc269404a984f8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16050314e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=159c59b2e00000 Reported-by: syzbot+d9536adc269404a984f8@syzkaller.appspotmail.com Fixes: 2af6106ae949 ("net: stmmac: Introducing support for Page Pool") For information about bisection process see: https://goo.gl/tpsmEJ#bisection