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 13843C010C6 for ; Tue, 5 Nov 2019 11:45:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D681E2190F for ; Tue, 5 Nov 2019 11:45:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730877AbfKELpB (ORCPT ); Tue, 5 Nov 2019 06:45:01 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:54200 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730704AbfKELpB (ORCPT ); Tue, 5 Nov 2019 06:45:01 -0500 Received: by mail-il1-f199.google.com with SMTP id y17so6286680ila.20 for ; Tue, 05 Nov 2019 03:45:01 -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=QCC2Zuft5IrSbuyDgMXl4CHaLN5HBJGcl6ykToE6Ed8=; b=F3Og1irYZ8xdsfQOUe6LlXT9ecEto9cpw1cOHWX3JSwDkKSjsgz3ROBkQysl7wY4yV dgo9a7xNfdZ+V5paFX0qnfo5UWVLpGn0+ZYnxdLANlGlkctoycI7MMrEfV2a3okqwQ58 w1F9rMJXKXP+bgDi3C704QYl14Wc6LQFqogyNdEPEF3vjAMLAZUC5Q6ZZiEe+NfZMqYc Rrx/3F20VqKaO99vlSaFZGprT3xuH8P1lIPkgaWW/oPIm5OeolSShvTF1/th0tLgovMn kAMh3FwnFSqecmjtlDRED3jJ9gvk9KeGm/W1N2ajWTNYsBlTb0ea5RymLpO8yalhq7zY 3RPg== X-Gm-Message-State: APjAAAW8gEIdW4g6rFyWEAAqKGuYqsi77gxmqCfJ8kReQ1/M8fPV/3vq n5YxEC7gsfLjYgbwtQU4BK/eQeIUfZc4TKwy3blsPihuQElf X-Google-Smtp-Source: APXvYqxODW9NHJW/4EGLldbad5zqA1/v64aLeXSjpLD0OrWyJ+niu+pzFgfeGWWvRMHqE1vxcY6Q2oZjQUQLXqzmYw875vDSNqU9 MIME-Version: 1.0 X-Received: by 2002:a92:d981:: with SMTP id r1mr15781326iln.64.1572954300760; Tue, 05 Nov 2019 03:45:00 -0800 (PST) Date: Tue, 05 Nov 2019 03:45:00 -0800 In-Reply-To: <000000000000de1eec059692c021@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000058481f059697f6e7@google.com> Subject: Re: KASAN: use-after-free Write in j1939_sock_pending_del From: syzbot To: bst@pengutronix.de, davem@davemloft.net, dev.kurt@vandijck-laurijssen.be, ecathinds@gmail.com, kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, lkp@intel.com, maxime.jayat@mobile-devices.fr, mkl@pengutronix.de, netdev@vger.kernel.org, o.rempel@pengutronix.de, 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 9d71dd0c70099914fcd063135da3c580865e924c Author: The j1939 authors Date: Mon Oct 8 09:48:36 2018 +0000 can: add support of SAE J1939 protocol bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11150314e00000 start commit: a99d8080 Linux 5.4-rc6 git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=13150314e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=15150314e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=896c87b73c6fcda6 dashboard link: https://syzkaller.appspot.com/bug?extid=07bb74aeafc88ba7d5b4 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16fd7044e00000 Reported-by: syzbot+07bb74aeafc88ba7d5b4@syzkaller.appspotmail.com Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") For information about bisection process see: https://goo.gl/tpsmEJ#bisection