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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 EC842C64E90 for ; Wed, 2 Dec 2020 04:02:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E6DB2082D for ; Wed, 2 Dec 2020 04:02:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728282AbgLBECo (ORCPT ); Tue, 1 Dec 2020 23:02:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727005AbgLBECn (ORCPT ); Tue, 1 Dec 2020 23:02:43 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 758F7C0613CF for ; Tue, 1 Dec 2020 20:02:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=WIagzzrMlbtp5fDLih1Rxksw8l5DeLlQbDxYoNcxJWs=; b=mJu9I5AuqjZSiYuuZMCH/7iF0e vXLnxV+Mqt3SNbBU0o4jJLZH7l5hrrQ93LccjajaVTXNcYnnbOnDk8NyDCxKyEbMO9c6C/MSi/Q9b wy1IucHcHS9dUwlSgcdz7QEwiVTSfUAUrmh3/GyNuhpwZzc4l0On4J0OFvu4u1Mf/JBPTWPHzwsSQ usgozKEzkXuD6VUAisIJE3qW943b3jWpKNbXKcTbhywIuql9XVy+Qk8N3SpqGWZlIk5Nk+zJVO7fI PGc4wlNX3ojLXP9UXG54jh6wf+S4k2PFVr3QpcV1Qea6JxRO5FpPxP5DotXdv8GeHdXTBj8xsQERR VK9Fd+nQ==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkJL6-0000Ex-Pj; Wed, 02 Dec 2020 04:02:00 +0000 Date: Wed, 2 Dec 2020 04:02:00 +0000 From: Matthew Wilcox To: "Gong, Sishuai" Cc: "linux-fsdevel@vger.kernel.org" Subject: Re: PROBLEM: potential concurrency bug between do_vfs_ioctl() and do_readv() Message-ID: <20201202040200.GE11935@casper.infradead.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Wed, Dec 02, 2020 at 03:18:26AM +0000, Gong, Sishuai wrote: > We want to report another error message we saw which might be related to this bug. https://syzkaller.appspot.com/upstream There are over a thousand open bugs already. Why are the extra bugs being found by your group useful?