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=-4.0 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 DBAA9C433E1 for ; Sat, 15 Aug 2020 21:57:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B48472053B for ; Sat, 15 Aug 2020 21:57:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729293AbgHOV5V (ORCPT ); Sat, 15 Aug 2020 17:57:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728992AbgHOVwG (ORCPT ); Sat, 15 Aug 2020 17:52:06 -0400 Received: from mail-il1-x148.google.com (mail-il1-x148.google.com [IPv6:2607:f8b0:4864:20::148]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61709C061251 for ; Fri, 14 Aug 2020 22:23:09 -0700 (PDT) Received: by mail-il1-x148.google.com with SMTP id o18so7940008ill.20 for ; Fri, 14 Aug 2020 22:23:09 -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=+25FmT8dO4pWjXPGwlb17rDpAfTAbCr3FFkhBNcwuAs=; b=mcTgLsr973kYPoTMt4veKSPutegxmmPLJn/w3gnlxASrDNxQQxIA5Fbu5/YkDlfMYn +sL8WyOcER5IQgjTyObAhymed5tWWmMTARTWCsl8dWM+iAEph5XZn7BG+lMEO6OltLz1 qRYSivCFOX+v2a7oocuzWgTt6vq4/3bQxOEzPt9ZRaK7/0/vjGN01P6nEmvBps/Nqsdk kyRZdAY0V4JTz5lbjsgLIcHJvT28l6LWUUKR/zSnY8Q3ZTZIdI+5PlPQ0lONQro15jpe Y9hjlzUzCzgZdKEmDgdp9K9EfzgU5bKQxW80tPe+nKedDE8+t0gTL6lM0mfyYYg47m1P Lpcw== X-Gm-Message-State: AOAM533mjsyjTBMYg4yCwhzv4DVk6NzfCtTWxTsDjcJNgJpkmkLmd6E9 /rQmhlkPitqQRdTUu/Jgv7cT616pi+fmJq63ZKZv8Y1lg5i0 X-Google-Smtp-Source: ABdhPJydlCxs/36cUc4UNHPK6M0HkLjuUhkbtL2IuaVgPgv4K8a6I+NSpBzJX7MWxkS2M/6tiP8RcVV1wSXKsNQxeGt/4EVo4FU6 MIME-Version: 1.0 X-Received: by 2002:a92:b712:: with SMTP id k18mr2432857ili.220.1597468988463; Fri, 14 Aug 2020 22:23:08 -0700 (PDT) Date: Fri, 14 Aug 2020 22:23:08 -0700 In-Reply-To: <000000000000eb6a8e057ab79f82@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000098e02c05ace3bbfb@google.com> Subject: Re: WARNING: refcount bug in p9_req_put From: syzbot To: asmadeus@codewreck.org, davem@davemloft.net, ericvh@gmail.com, hch@lst.de, kuba@kernel.org, linux-kernel@vger.kernel.org, lucho@ionkov.net, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, v9fs-developer@lists.sourceforge.net 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 suspects this issue was fixed by commit: commit a39c46067c845a8a2d7144836e9468b7f072343e Author: Christoph Hellwig Date: Fri Jul 10 08:57:22 2020 +0000 net/9p: validate fds in p9_fd_open bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1015f012900000 start commit: 459e3a21 gcc-9: properly declare the {pv,hv}clock_page sto.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=ef1b87b455c397cf dashboard link: https://syzkaller.appspot.com/bug?extid=edec7868af5997928fe9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1642ee48a00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net/9p: validate fds in p9_fd_open For information about bisection process see: https://goo.gl/tpsmEJ#bisection