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 54260C5DF61 for ; Thu, 7 Nov 2019 13:44:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 34602218AE for ; Thu, 7 Nov 2019 13:44:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389706AbfKGNo0 (ORCPT ); Thu, 7 Nov 2019 08:44:26 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:56918 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730980AbfKGNmF (ORCPT ); Thu, 7 Nov 2019 08:42:05 -0500 Received: by mail-il1-f198.google.com with SMTP id e5so2592081ile.23 for ; Thu, 07 Nov 2019 05:42:05 -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=ENxD+/fIw0mYa6vyCEJ9BP1QogAHJZe3kkohsrzQFAg=; b=oL4AYxtLXsRCDsksDzw6xN9HB1oTZGmK2fByoVIBvay0dD1JqfKpD2MtzU8C90QdHz 74pA5q0EImVzZbvPRNc38V+94pD6KmJxmHqVJnPyiMcHKF4Ka0s0ei08gu2IYLZ7PxJg 97yb5CaPtieNFtHv9oBPTSlLgjt7RNgyh2Fs88rFXZB1eJZpbTjeaZ0ETNW3oFkj6sDs 3SDjOBCEinnkDFQRuz1jOipxm3VA0601npjGYdcMq/6XuCS8vDTqHCnmWbjgGVZn2VeK hR2JAint9nudKxMToMFwhgpkBPLvOI7m0Ra4ADgTMtFgevgIZFWArQB6JMU/yML5kElw LhKA== X-Gm-Message-State: APjAAAVYW4wvBIhCe2JjElgMbOpjb09jK3V9PTuttw1CE45hkt/CgU4H oJJcq39JUN6+CWxkBFH2rDk2TUIPE2+8aSFNcNJ7/qPNa+/1 X-Google-Smtp-Source: APXvYqxgUiKUUpVf8mANbwuq5h5ETdkG1+2bc1EZcA3Iu8zgmeR5189VzsX5FO9eWFvmABYaiGgJH8JWUel87EI/ZKuu+fPSmejM MIME-Version: 1.0 X-Received: by 2002:a6b:ee07:: with SMTP id i7mr3695643ioh.26.1573134125000; Thu, 07 Nov 2019 05:42:05 -0800 (PST) Date: Thu, 07 Nov 2019 05:42:04 -0800 In-Reply-To: <000000000000ee4dab0570be896c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b4731e0596c1d418@google.com> Subject: Re: general protection fault 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=1150b430600000 start commit: 30c2c32d Merge tag 'drm-fixes-2018-07-10' of git://anongit.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=25856fac4e580aa7 dashboard link: https://syzkaller.appspot.com/bug?extid=4d29d76a0da7a8c4d86c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10e2c5b2400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=179415b2400000 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