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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53971C433EF for ; Tue, 11 Jan 2022 13:38:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240621AbiAKNid (ORCPT ); Tue, 11 Jan 2022 08:38:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240616AbiAKNic (ORCPT ); Tue, 11 Jan 2022 08:38:32 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84120C06173F; Tue, 11 Jan 2022 05:38:32 -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=H4sc0o/V8WhWPvaY+DPT4s85xLZBSsAiCEXQ91ENMtY=; b=H7Mgl0WQOtRKPuoFc0OqFv8q94 SK+7VQJQOsngr8poXByWN+kLc4rERvp44eT/PfQ6iDdC4Y/qVVGbfnKwBM6sE7Hw3kFDPDDwa+RUH /VIbgUTXQ1eMKRa8jS0DYV9TPJKwdI1YkZmFUV17QrJM9fxZfT8xg/SgFNkzdACBMEJpOuGuQJ/yX +QiB3qlMMIrV/1r/MtX4+/2SbBZrboSk2uvcApvMbpQTzfHCY6KPzhxi4orMpTel/KqmaEcuXQlz6 Hjxt6vftH9TGrVozhuZA8b0p1gPiEoJNQn7XzCQerRvkaaO+5QgVwtOx4gVW1MfMS9FMfMGiGqiR3 /h8zQTiA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1n7HM4-003I0S-Dh; Tue, 11 Jan 2022 13:38:28 +0000 Date: Tue, 11 Jan 2022 13:38:28 +0000 From: Matthew Wilcox To: Aleksandr Nogikh Cc: cruise k , Dmitry Vyukov , Alexander Viro , linux-fsdevel@vger.kernel.org, LKML , sunhao.th@gmail.com, syzkaller Subject: Re: INFO: task hung in path_openat Message-ID: 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 Tue, Jan 11, 2022 at 10:38:02AM +0100, Aleksandr Nogikh wrote: > Hi Matthew, > > That report was not sent by syzbot, rather by someone else. syzbot tries to > be much more careful with the INFO: reports. > > During the past couple of weeks there has been some outburst of similar > reports from various senders - this is the third different sender I see, > probably there are also much more. Right. Perhaps syzcaller could *not* call sched_setscheduler() by default. Require an --i-know-what-im-doing-and-wont-submit-bogus-reports flag to be specified by the user in order to call that syscall?