From mboxrd@z Thu Jan 1 00:00:00 1970 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 smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D00F1BD03C for ; Thu, 10 Oct 2024 08:09:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728547773; cv=none; b=R9aiCupPUEXJs6/2Mgmy9zzVMBimJve1hjtxMN3x6xZ6YYAOOxpnHBGr73sgr6+EL+Ung6Rky2vB43xiiCYwJGQuCRxb5Ajc4MaHyS3P6vQjw72/kk3zaARJHzDaSi+ACcRFFUxNQnhOaH0NYMyCbR8lSk3F1i4Lozln0RIry1A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728547773; c=relaxed/simple; bh=UXAUmCCgWw4hsCqVFZ6jDKg0+f6nhEfKJ8CTkDoDtE4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IiG7KGFR4PSjj8O7f15GegnUdS6ub3ytlcQjA3xP+bbSHb7dkz0zrepgFd4ByyqLnrb+y/PEvLxTjK2SRSAA+AZ85HCyFJWooWOGpv8ka0y+Wyl4QccQJ5FEmeNdpD9sjwsMqbHWqZIOHFJCaCMq7BB2KCeLTq1aHUlrrligWYs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: 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.