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_DIGITS, 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 22576C5DF61 for ; Thu, 7 Nov 2019 13:43:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E66F7207FA for ; Thu, 7 Nov 2019 13:43:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389623AbfKGNnt (ORCPT ); Thu, 7 Nov 2019 08:43:49 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:44346 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388956AbfKGNmG (ORCPT ); Thu, 7 Nov 2019 08:42:06 -0500 Received: by mail-io1-f71.google.com with SMTP id q13so1848630iot.11 for ; Thu, 07 Nov 2019 05:42:06 -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=Vf6K/h0qpqQKsSoL002ZxeehhKzDYr+4ythimfWKfZ8=; b=a9tqGOvdZ/uDUZSIL4LzFZQN3e7qxA4ZstmAGSHy65QbFvY/BWaS1/7lnfhvfwAakJ QDnMMJprY4+9GcTov+KbEyybXfIwNpUUzIcvQRN0DJWp8SYohosDVxJwHWl+OvE8W/NZ fihCM0/8OOLhJA45zwy/gP/triqGCbic1G0LZbPknXzNHYbXM8N7Kcp1l30pdXfye31v b8VmNfv+zpx4P0CXCE8Hgibphdzl7Bx1sAEkM0/w3sdKTt97EHEBCw/LzqowCoa/pXV+ ahC3gYa9gfLPhOBCrBbWQz5fnQcCeByHqMzZ2dOzFpxcCRK+OK0h0y+aU9KFUSbtBbOY RJOg== X-Gm-Message-State: APjAAAVArvS+RD/B8EzSZLc7Cs08Hnomgur90ge4LXpYbe293U5kuL8r exl03WisR8bsQUCzYlc17h1WIIJiJOTCRedmk5wTUEOZK001 X-Google-Smtp-Source: APXvYqxtqS9jnDj10uHB/QHrMRUKjJWOjaExI73Hx2xEMNtJxQbyy5I+Msc61BdsDsl5SzjhgXSd4Tpv0SaNrrMljsv9YcDnaitG MIME-Version: 1.0 X-Received: by 2002:a5e:aa10:: with SMTP id s16mr1261527ioe.113.1573134125893; Thu, 07 Nov 2019 05:42:05 -0800 (PST) Date: Thu, 07 Nov 2019 05:42:05 -0800 In-Reply-To: <00000000000054395605708fbd13@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c214300596c1d487@google.com> Subject: Re: BUG: corrupted list in p9_conn_cancel From: syzbot To: davem@davemloft.net, dominique.martinet@cea.fr, ericvh@gmail.com, jiangyiwen@huwei.com, linux-kernel@vger.kernel.org, lucho@ionkov.net, netdev@vger.kernel.org, rminnich@sandia.gov, syzkaller-bugs@googlegroups.com, tomasbortoli@gmail.com, v9fs-developer@lists.sourceforge.net Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 9f476d7c540cb57556d3cc7e78704e6cd5100f5f Author: Tomas Bortoli Date: Mon Jul 23 18:42:53 2018 +0000 net/9p/trans_fd.c: fix race by holding the lock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11adad06600000 start commit: c25c74b7 Merge tag 'trace-v4.18-rc3-2' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=25856fac4e580aa7 dashboard link: https://syzkaller.appspot.com/bug?extid=ad0832746849421bba05 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13d8db0c400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10c12a58400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: net/9p/trans_fd.c: fix race by holding the lock For information about bisection process see: https://goo.gl/tpsmEJ#bisection