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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 1BF28C2BAEE for ; Wed, 11 Mar 2020 20:17:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 32CDF20736 for ; Wed, 11 Mar 2020 20:17:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387412AbgCKURE (ORCPT ); Wed, 11 Mar 2020 16:17:04 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:36446 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731057AbgCKURE (ORCPT ); Wed, 11 Mar 2020 16:17:04 -0400 Received: by mail-il1-f198.google.com with SMTP id v14so2265587ilq.3 for ; Wed, 11 Mar 2020 13:17:03 -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=Hk8leBLQn5EO2E5GYez0a5lDH0bgTVJ9Yjc9wD197GA=; b=WlBKOwDBrDWj0rSsk/2OINjIB5t7m+2tvlbl/40Whs/zGjqKKYXEkjNZvTQy9KAu7W FWCHbW3Wum/m2FOluipOEvID5JtqFkLVSEe09bg8Cy/J3kghx18Jm0qoKKkiyoxgELVC 9gv/y+BPOJYlDMnm7hT+osHtK1kclgrdifthRPcpYnEe7TC1aSjmdDr13ef1UT6X3uSw +9bqHpiBeSPFOLvKaOIJIEKAe1uTwyByywKFLWYjO9kxuFrfjGV81MOkySqdT4banKHh 5KZcnVmfRcuHM5nVvrt5044X8swlssAtmmj/zmHN5AMOElNRHmg0VPdxUoiPrfikGzkq i42g== X-Gm-Message-State: ANhLgQ10Tva5hZfyZcBGBpmtAZ1buI1MRwJa4hal7RO/yjSwTNeV+6th e28FLVFq+qTrFVuvX43NAdFyUPa81BzOPdu5eTSmLWFy7f4f X-Google-Smtp-Source: ADFU+vuCk0oLjsQRK1OQUGd8tOfOULwTEpr37d1F6UYTw6+1J+u2VViJHjd/h7gGWV9DvDuMYhL3fUTIAi3lVakXW/slGPEJZJ+Y MIME-Version: 1.0 X-Received: by 2002:a02:962e:: with SMTP id c43mr4679555jai.26.1583957823254; Wed, 11 Mar 2020 13:17:03 -0700 (PDT) Date: Wed, 11 Mar 2020 13:17:03 -0700 In-Reply-To: <00000000000030395e059f6aaa09@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000064f9a805a099eb8a@google.com> Subject: Re: general protection fault in j1939_netdev_start From: syzbot To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, jiri@mellanox.com, jiri@resnulli.us, kernel@pengutronix.de, kuba@kernel.org, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, mareklindner@neomailbox.ch, mkl@pengutronix.de, netdev@vger.kernel.org, robin@protonic.nl, socketcan@hartkopp.net, sven@narfation.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 8330f73fe9742f201f467639f8356cf58756fb9f Author: Jiri Pirko Date: Wed Sep 4 07:40:47 2019 +0000 rocker: add missing init_net check in FIB notifier bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=165cdcb1e00000 start commit: 63623fd4 Merge tag 'for-linus' of git://git.kernel.org/pub.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=155cdcb1e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=115cdcb1e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=9833e26bab355358 dashboard link: https://syzkaller.appspot.com/bug?extid=f03d384f3455d28833eb syz repro: https://syzkaller.appspot.com/x/repro.syz?x=162b8331e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f10a2de00000 Reported-by: syzbot+f03d384f3455d28833eb@syzkaller.appspotmail.com Fixes: 8330f73fe974 ("rocker: add missing init_net check in FIB notifier") For information about bisection process see: https://goo.gl/tpsmEJ#bisection