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 8F270C5DF62 for ; Wed, 6 Nov 2019 02:43:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 57B7E21D6C for ; Wed, 6 Nov 2019 02:43:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730884AbfKFCnE (ORCPT ); Tue, 5 Nov 2019 21:43:04 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:45571 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730722AbfKFCnD (ORCPT ); Tue, 5 Nov 2019 21:43:03 -0500 Received: by mail-il1-f200.google.com with SMTP id n84so20267210ila.12 for ; Tue, 05 Nov 2019 18:43:02 -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=uSWnjSO8aRmC6HOtbozEviyKgrIraDFwwf90scm40l0=; b=KByI6ZJRsf+3ymp7Z37Q00+YCDg5WD9mN9CiSvRXLOiibGoKmCxO8NiwC6B8/z+Ewh gYF9rUz7Dj2epyRJ5RNz8pvAemkR4fVPhpjaU592ho7itfrEYIYoo1p+fmYcuvt65Vfn VhRZRK/njRAwAH5BawkgEEggIHE5ZcZhRGoJ/pUnoS17lOzdXSV+0o0Bf2qyFsSQ/f06 OJi9CmlQGpHpGiPIYoJv5gA+TSvP1p5HbIxcTbgEnbP04mkumB9UBazrtQkF2Izipd2K gJt5RGArSQnNE37FQwoJRYajWSU6umk1y0Qpbdno+/nkofWWH60HpGE+c2AXWW3psQzE grTg== X-Gm-Message-State: APjAAAXIqXIfdtNIKLUwINmarFQwhd4grCQ/lzRKcf3Y46qhZdbNrGbz vDCFSY/PgxCJyCQSzGfeue4n0BRA4ieAOlOupk52QEAI1Kxe X-Google-Smtp-Source: APXvYqxWaexPBXY5jrl37JvvcUZAaVp3KXSs+h0t1RYE4hSK4+O06OdivMpHLxC+8f80DUzb4Mq0EMSAeFKl27IKU5J4/7z8BlIP MIME-Version: 1.0 X-Received: by 2002:a92:ce42:: with SMTP id a2mr235457ilr.69.1573008181583; Tue, 05 Nov 2019 18:43:01 -0800 (PST) Date: Tue, 05 Nov 2019 18:43:01 -0800 In-Reply-To: <0000000000005ed7710596937e86@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e46daf0596a48179@google.com> Subject: Re: KASAN: use-after-free Read in j1939_xtp_rx_abort_one 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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=1157fb1ae00000 start commit: a99d8080 Linux 5.4-rc6 git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1357fb1ae00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1557fb1ae00000 kernel config: https://syzkaller.appspot.com/x/.config?x=896c87b73c6fcda6 dashboard link: https://syzkaller.appspot.com/bug?extid=db4869ba599c0de9b13e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1435c078e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=139a3542e00000 Reported-by: syzbot+db4869ba599c0de9b13e@syzkaller.appspotmail.com Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") For information about bisection process see: https://goo.gl/tpsmEJ#bisection