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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 94000C43381 for ; Mon, 25 Feb 2019 21:41:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B7E6213A2 for ; Mon, 25 Feb 2019 21:41:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=rath.org header.i=@rath.org header.b="eJCVNrpY"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="Fjt/DXqI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729197AbfBYVlM (ORCPT ); Mon, 25 Feb 2019 16:41:12 -0500 Received: from out2-smtp.messagingengine.com ([66.111.4.26]:40171 "EHLO out2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728931AbfBYVlM (ORCPT ); Mon, 25 Feb 2019 16:41:12 -0500 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id C0F4D2207E; Mon, 25 Feb 2019 16:41:10 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Mon, 25 Feb 2019 16:41:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rath.org; h=from :to:cc:subject:references:date:in-reply-to:message-id :mime-version:content-type:content-transfer-encoding; s=fm1; bh= oPpN5snBj86+ghmtkdEill8+UH9ffgQ6ynHOGN6lzXk=; b=eJCVNrpY6TYHtc06 dgICa2a9/cXUk/3eodhMd8pi3vzi+ClUr7nLYlY8HSxkHPB7AJrh6hV/9c9WXMDm /HUtQjVPLr4h1vop024mLF6fnIhv9En6i9GngdHs9Swyc0PP5jvAdHfx0KlkSZRA QB2bjDSvVCYLLggVec9s98CTm+yUUWkJqUuhL4UF29ZAcllW4sbGIrzc89BIPtFR 7KX/0jMPIzSOB96o8CLT/iEIDbxQ2ECUofRVCDpdhYOjFa9zId46iaCEu+PT/Aa4 W8CXyMwlfCZ0jKzoah5CMEN/VpCM2R1htB1m4f33RQ3WEMk299TceKGkHjnfXDtX TkfDlw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm2; bh=oPpN5snBj86+ghmtkdEill8+UH9ffgQ6ynHOGN6lz Xk=; b=Fjt/DXqItRMiur7YWWnVbi2YiJYe0OTGYY5SkaFcEu/jMc9oPoIDz4K1O TaftyJbvRuGUchEU9EBf0Fr4WU8RPOzIT+dufvRB4+fVSHIs0I2dX+k5+vL3OnR9 qhNfY+0qY/saH8X2MGG4hMHkgLQxy8gUB0oJcuKf423khZ2QIICZsuuNkYeBqL21 QxUnOiJHuhX9bNoW6IvSlEGfxBhELHilIg1DWPJK6DzzgZ4SIL0vgA97oeRRnbA4 loLJNdeWErhSV5T/ZCuYaO0iy93t5VyE0demn+fEYKolCJ4KY0TcnP9ngVWBB7Vn RyhYLu8zS8nrwWwZ0LFD4eAc+5Owg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedutddrudejgdduheegucdltddurdegtdelrddttd dmucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfquhht necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefhvffufhffjgfkfgggtgfgsehtqhdttddtreejnecuhfhrohhmpefpihhk ohhlrghushcutfgrthhhuceopfhikhholhgruhhssehrrghthhdrohhrgheqnecukfhppe dukeehrdefrdelgedrudelgeenucfrrghrrghmpehmrghilhhfrhhomheppfhikhholhgr uhhssehrrghthhdrohhrghenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from ebox.rath.org (ebox.rath.org [185.3.94.194]) by mail.messagingengine.com (Postfix) with ESMTPA id AE7C6100E5; Mon, 25 Feb 2019 16:41:09 -0500 (EST) Received: from vostro.rath.org (vostro [192.168.12.4]) by ebox.rath.org (Postfix) with ESMTPS id E4DF95D; Mon, 25 Feb 2019 21:41:08 +0000 (UTC) Received: by vostro.rath.org (Postfix, from userid 1000) id AA903E0230; Mon, 25 Feb 2019 21:41:08 +0000 (GMT) From: Nikolaus Rath To: Miklos Szeredi Cc: fuse-devel , linux-fsdevel Subject: Re: [fuse-devel] fuse: trying to steal weird page References: <87o998m0a7.fsf@vostro.rath.org> <87ef9omb5f.fsf@vostro.rath.org> <87ef9nighv.fsf@thinkpad.rath.org> <87zhs7fbkg.fsf@thinkpad.rath.org> <8736ovcn9q.fsf@vostro.rath.org> <877ee4vgr4.fsf@vostro.rath.org> Mail-Copies-To: never Mail-Followup-To: Miklos Szeredi , fuse-devel , linux-fsdevel Date: Mon, 25 Feb 2019 21:41:08 +0000 In-Reply-To: <877ee4vgr4.fsf@vostro.rath.org> (Nikolaus Rath's message of "Tue, 12 Feb 2019 21:28:15 +0000") Message-ID: <878sy3h7gr.fsf@vostro.rath.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Feb 12 2019, Nikolaus Rath wrote: > On Feb 12 2019, Miklos Szeredi wrote: >> On Sun, Feb 10, 2019 at 11:05 PM Nikolaus Rath wrote: >> >>> Bad news. I can now reliably reproduce the issue again. >> >> A reliable reproducer is always good news. Are the messages exactly >> the same as last time (value of flags, etc)? > > The flags, count, mapcount and mapping values are always the same. The > page and index is varying. So the general format is: > > [ 2562.773181] fuse: trying to steal weird page > [ 2562.773187] page=3D index=3D > flags=3D17ffffc00000ad, count=3D1, mapcount=3D0, mapping=3D (null) Is there anything else I can do to help debugging this? Best, -Nikolaus --=20 GPG Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F =C2=BBTime flies like an arrow, fruit flies like a Banana.=C2= =AB