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 BBFA3CA9ED0 for ; Sun, 3 Nov 2019 08:04:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9C9CE2084D for ; Sun, 3 Nov 2019 08:04:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727496AbfKCIED (ORCPT ); Sun, 3 Nov 2019 03:04:03 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:40890 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726408AbfKCIED (ORCPT ); Sun, 3 Nov 2019 03:04:03 -0500 Received: by mail-io1-f71.google.com with SMTP id 125so10924365iou.7 for ; Sun, 03 Nov 2019 01:04:01 -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=zseyQcg9WNy0u+ZF8nDZWMDUBvH4F12JJ+AwXYNDi7k=; b=GO0xFw+PJwhaUoS6Cd15TArcyo/RUjyYSJ0pQZYyT5/e8DqI6A7T1ArKAFFhb533Vq CTR+rQlh9tjbJPzwAQszsZ01/Xk/OJM0Yp1Q3CjE4iJ8ckKlbs/iBUV9WY1GFCH0HOLs Lnh5fqhHYlnP5vC8bR118+Rln7FYpkYiBW9RFTDCDrsfrb4P4ew3gu3BlcbcRNRVbrrB hxFl3eGifFqi2m0umvUlxiRi3efFuDwpNj0rSKo8gkmsLKN3a5EIACTDG3x1d3bfXpf2 tVv6sj33qDmIxZuj+3TVDv6VwKb6taxzTRmhCeVDeBef4xeCvt+2fLbG218lTUKM3DPj 6MFQ== X-Gm-Message-State: APjAAAXOQ6sYc9OJugu1WKGF7Dp8u7VdKDnBLHCmWGy2ZuqrapJqwGch 9nOl5xuxxQh1Efekld2c1nWJwxCuyX7nP7x9LugP2ovdTwXk X-Google-Smtp-Source: APXvYqxhpKGHhcgtYbw7xsqihd/PM8MbI+nKemnT0QhuOdgsKosxm+PpEDNBXQGgcoZ/5EDuT2djHH4Mdf+3AZesnhq9ApTQpTn+ MIME-Version: 1.0 X-Received: by 2002:a92:99d1:: with SMTP id t78mr21495252ilk.122.1572768240955; Sun, 03 Nov 2019 01:04:00 -0700 (PDT) Date: Sun, 03 Nov 2019 01:04:00 -0700 In-Reply-To: <000000000000595be405966c3231@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000050f87c05966ca43a@google.com> Subject: Re: general protection fault in j1939_priv_get_by_ndev_locked 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=11267914e00000 start commit: 7de08690 powerpc/bpf: Fix tail call implementation git tree: bpf final crash: https://syzkaller.appspot.com/x/report.txt?x=13267914e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=15267914e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=2cc209e226c8fbbd dashboard link: https://syzkaller.appspot.com/bug?extid=feff46f1778030d14234 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1726e97ce00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1678e4ece00000 Reported-by: syzbot+feff46f1778030d14234@syzkaller.appspotmail.com Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") For information about bisection process see: https://goo.gl/tpsmEJ#bisection