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 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 A5FDEC18E5B for ; Mon, 16 Mar 2020 07:49:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7D03E20658 for ; Mon, 16 Mar 2020 07:49:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729967AbgCPHtF (ORCPT ); Mon, 16 Mar 2020 03:49:05 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:44065 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729662AbgCPHtF (ORCPT ); Mon, 16 Mar 2020 03:49:05 -0400 Received: by mail-il1-f199.google.com with SMTP id h87so13124431ild.11 for ; Mon, 16 Mar 2020 00:49:02 -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=ouibFrPDWjCxL4FEpaUkFRuLLdmqeyOHLoLDagTo38s=; b=acnRlMGRhNt8H8UFRftWAoITt4Cru5I2IFV7GcxF6VqmqELmG5bTuqnEXIx9/PNe+L ec6HY6bCfPWqHgYAtXDIgAKqKzW9zAz6G2idAYGmE+8/6O2JHg0T4JpRE0fQVV6sdzul PUzCrhTO4YNepI3Vc/XKoCajftgH0RXMtdlexen8kjGFqOGswCcvkNGzxM/pHZE3C9h2 KmsJZhOBj0pMjRcAkFKzXqh1u3E3qc0ExLFgit63L4ch0Aorc4XI86uh1QkUmwF288qR 6Y2XZMR7mppXN8k3EQ0ste7xWIDIln2lPx924yiuxahoPw96XVxpdjY/aiMoYf6+Cb/k cGJA== X-Gm-Message-State: ANhLgQ1uUhg53LkeuYWL5lVKiyM23C+gNaAjB11d8DdQOGkt/TSzM3zM rOwhQ2BWw1Nma8E0VbivA7aAVMcU3Uu+NmsJQckOhlgNswjm X-Google-Smtp-Source: ADFU+vuDRuPOxa1IDImesiTPozC5o7HpVN8zsZ8bX3G8vsFE+prdAIwJ0Rw4kazKiRUzVPk45zL965SLV5YZQfZX51CMEkoS3u30 MIME-Version: 1.0 X-Received: by 2002:a6b:dd14:: with SMTP id f20mr22452258ioc.32.1584344942619; Mon, 16 Mar 2020 00:49:02 -0700 (PDT) Date: Mon, 16 Mar 2020 00:49:02 -0700 In-Reply-To: <000000000000c08f2005a0ed60d4@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000081b1df05a0f40d13@google.com> Subject: Re: general protection fault in erspan_netlink_parms From: syzbot To: davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, petrm@mellanox.com, syzkaller-bugs@googlegroups.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" 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 e1f8f78ffe9854308b9e12a73ebe4e909074fc33 Author: Petr Machata Date: Fri Mar 13 11:39:36 2020 +0000 net: ip_gre: Separate ERSPAN newlink / changelink callbacks bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=101477fde00000 start commit: 0fda7600 geneve: move debug check after netdev unregister git tree: net final crash: https://syzkaller.appspot.com/x/report.txt?x=121477fde00000 console output: https://syzkaller.appspot.com/x/log.txt?x=141477fde00000 kernel config: https://syzkaller.appspot.com/x/.config?x=c2e311dba9a02ba9 dashboard link: https://syzkaller.appspot.com/bug?extid=1b4ebf4dae4e510dd219 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1627f955e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111ac52de00000 Reported-by: syzbot+1b4ebf4dae4e510dd219@syzkaller.appspotmail.com Fixes: e1f8f78ffe98 ("net: ip_gre: Separate ERSPAN newlink / changelink callbacks") For information about bisection process see: https://goo.gl/tpsmEJ#bisection