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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 48EB3CF07BF for ; Thu, 10 Oct 2024 08:09:36 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4XPMqL6CQNz3bjr; Thu, 10 Oct 2024 19:09:34 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=213.95.11.211 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1728547774; cv=none; b=Cq93KRlPoaJXJVNefm/ow5AzkbiFATyCy2/6Sb/CBeBHFgGPbANQleXDLQhCW6fbOp2f6bhyZ7+Vbe/QxAOUQ+FKiWBH2a3M/oFSRQuC9UoIOJ+mykcCEooSHnRa8OsDdg1FzyD2MPgxDid4j7JMNtMGeRBIQSePdQXS5xVPPI1HIhxi51sjD3vqYek0ppqLCr4xJBl12dQFrnwdAWRjvHIf65GFrb5AglGLVkSNUEGUCOfy2aEsoqlL1OPY9xbj/MpFbP2yJ0KDgvLlfD8yMMplQzMrNM/ypGVOz9Xa0CMYUmo8YlyWVHldmyhd2dWrgW5EvyobFbW4JcpIZy9O6A== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1728547774; c=relaxed/relaxed; bh=/Wdhm/OhspdybktDkLShz5H7mKJqJW65PYYsUNa0shI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=T4IWirutEBhRWqp+Ic47ETpPAAqMOYYJX3QpygHX+aYMotcETQr4FM79q6lDmy2By5Q7LkIFjT6E2qmcop2yS6ZZgXDG45UC5GrZ35aEKocrfJibCm+gX55qALMIAB+sFu3AkU5NuCu9c83rgr1LnpY8O8HRu8mwG8uDF6vCI9npZmRtsnVaDkK6t+DIjuRiFhJiM2b1xWJz4i80x7tI3d5VyA8uP7qrPqU5XE5ceUMXeoSnpECCqUPkTadtYKa7JRrivfHTfQ/qxed+r9LTGGjU4WVR87rTOOqLtvL36tcy9JDkXK21Ivo6QaseslMbamAZ7KD1KYA4FCnoIGu+dA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=pass (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=lists.ozlabs.org) smtp.mailfrom=lst.de Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=lists.ozlabs.org) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4XPMqK1s90z3bgQ for ; Thu, 10 Oct 2024 19:09:32 +1100 (AEDT) Received: by verein.lst.de (Postfix, from userid 2407) id D079C227A8E; Thu, 10 Oct 2024 10:09:27 +0200 (CEST) Date: Thu, 10 Oct 2024 10:09:27 +0200 From: Christoph Hellwig To: Venkat Rao Bagalkote Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, hch@lst.de, brauner@kernel.org, sfr@canb.auug.org.au Subject: Re: [linux-next][20241004]BUG: KFENCE: memory corruption in xfs_iext_remove+0x288/0x2c8 [xfs] Message-ID: <20241010080927.GA7980@lst.de> References: <20241008063307.GA22312@lst.de> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241008063307.GA22312@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Oct 08, 2024 at 08:33:07AM +0200, Christoph Hellwig wrote: > On Mon, Oct 07, 2024 at 07:34:18PM +0530, Venkat Rao Bagalkote wrote: > > Greetings!!! > > > > > > Observing Kfence errors, while running fsstress test on Power PC platform > > Is this new or is this the first time you run kfence? Any chance you > could bisect it? FYI, Marco Elver ever pointed out that this was an issue with kfence vs krealloc and the offending changes have been dropped from linux-next.