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[209.132.180.67]) by mx.google.com with ESMTP id f25si11334107ejw.85.2019.11.05.00.06.00; Tue, 05 Nov 2019 00:06:23 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 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 S2388048AbfKEIFC (ORCPT + 99 others); Tue, 5 Nov 2019 03:05:02 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:45971 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387974AbfKEIFC (ORCPT ); Tue, 5 Nov 2019 03:05:02 -0500 Received: by mail-io1-f69.google.com with SMTP id c17so11833351ioh.12 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=Lj48zPkJNPytExTFpaieauPOxM1BUvx1wIzYyeYMyhaSJvp+6VPFpyGx7nznfwWLwT 2f34KvXyj7gdKSaRSafzCPr8ZdrHT0Yxa4ho2AuulwDZoUst4JVKpWGqMZQCfT+NA2ya 5q6ooRu9sZrHNHoChmqi2vuH2SnVKzKocPSplHntD42vcOla/fxHIn0JDS2YYpapOO1b Vr6iNjiKxpHgrVYCANurBX4UXPhj1k0T4ytMZad9h2qbAyv/bYry+IOyu/QgatR45NuX pmIGDdwUL5NceOgJC+oW2ju/THv5QeIbsqZP6PMs5AHwU+MOrde40BQuCBwjn16gpDTw 3vlg== X-Gm-Message-State: APjAAAXN7OnGg3A0dUPZZjmbqjdeAD3MiXsFC82+Iz0cxaWE9+MAXF0I xP1rmM++/omxdfmegGtzIcedNpCN1LimvSfiXYNL8PLjND8c 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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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