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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 EC70BC433B4 for ; Wed, 12 May 2021 10:13:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A57256134F for ; Wed, 12 May 2021 10:13:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230018AbhELKOV (ORCPT ); Wed, 12 May 2021 06:14:21 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:56950 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230211AbhELKOO (ORCPT ); Wed, 12 May 2021 06:14:14 -0400 Received: by mail-il1-f199.google.com with SMTP id u5-20020a92da850000b0290167339353beso19126511iln.23 for ; Wed, 12 May 2021 03:13:06 -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=QsFoIF7+TXSZxLlCnFsTt3IaVFcGwD9RJbkW47UyGlA=; b=KMrt/oBBOsIV6mafi6nMiB0fNlJRntj7Nq53hAPNP6aWcbSQI324TezEZIZY0skmwb lPPBZ1GSmYFLRy/Gw7wylM2vU7WLqDbxnGohpqj6n/z4LyRQKBZt8MsNMccWr3G9TMyc QlzsebDbEETVCRk89IGWJXwzeVFZ8uykZRIL8uipnng9zIe96fUnb/Ol0RJIj1a4JP6i QLfGf+fF19dgqfqAlss/N+WRR+MY0FiGhe2SL79eWGKWiMIryvfC5lNeSWOlEa7zkt7w cRK4HBvGZ+yLkfVHav/DpY+gBXmBBhfMTmuI3WPyuHkTA5af2Jj8LxzO4aPOY7VPKFx/ SMJw== X-Gm-Message-State: AOAM531DLb2k/JXrQtzFJxOBqBP0xuEl20tgV5NwWrUpEbayTalwDqz8 xNBmUVDTTwBAoYnAP9yo1gk/bgGrlLGIH+aJ3dVrRUOkRN+z X-Google-Smtp-Source: ABdhPJzK9DvyxlU39vr0TQCdZh91ks01LjLIzA5HtsRDNbuPVf/NBs2iiNdzZan43Z1RRmaTXl6CMdSWH9UF16deYyYIUANjpgrl MIME-Version: 1.0 X-Received: by 2002:a05:6e02:144f:: with SMTP id p15mr29977292ilo.143.1620814385945; Wed, 12 May 2021 03:13:05 -0700 (PDT) Date: Wed, 12 May 2021 03:13:05 -0700 In-Reply-To: <000000000000a16c4f05c21ecc1c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b8a27f05c21f4195@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in bcm_rx_handler From: syzbot To: davem@davemloft.net, kuba@kernel.org, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this issue to: commit e057dd3fc20ffb3d7f150af46542a51b59b90127 Author: Oliver Hartkopp Date: Mon Sep 28 20:04:04 2020 +0000 can: add ISO 15765-2:2016 transport protocol bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16883835d00000 start commit: 009fc857 mISDN: fix possible use-after-free in HFC_cleanup() git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=15883835d00000 console output: https://syzkaller.appspot.com/x/log.txt?x=11883835d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=b072be26137971e1 dashboard link: https://syzkaller.appspot.com/bug?extid=0f7e7e5e2f4f40fa89c0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17c9f9b3d00000 Reported-by: syzbot+0f7e7e5e2f4f40fa89c0@syzkaller.appspotmail.com Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol") For information about bisection process see: https://goo.gl/tpsmEJ#bisection