From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7F589EAE7; Thu, 17 Apr 2025 03:01:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744858904; cv=none; b=dWKKMAlGZN9ekrcvPrk8e3L9f95wJkBX4Ydw4AJ5jsNBMFKs0u6XNuGiZrhYiEUxck852DPvCxd1cgdZkL9j4eioJULR4sL4/eIJZBq1bwofEOJT6Rj4XdqbyF+6K19a+uhsCtFMCRaf4jbyhbES/d0CdUmXeZO5/4gGZBlvvdo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744858904; c=relaxed/simple; bh=YQ3n6r+nEiZ2nPmGKrTfCE32r2QocRbAL/UULZP0GUo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mPLEj2J9qnSb9lk81petzjUqoSVHCGwla5u5kLRzM89sjnXI1+9EvkpiytbeMEi0kJeeIG2dPey0boTdCGxv/DG8F6ou1oDCnokm/VSEKVXkmZ7/o4qjQhnOJJn15DA85OAyRAIDk8GAePYA4sedMz6jj4inFI/jT+bmhZrFiZI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Mbz6xsi3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Mbz6xsi3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54942C4CEE2; Thu, 17 Apr 2025 03:01:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744858904; bh=YQ3n6r+nEiZ2nPmGKrTfCE32r2QocRbAL/UULZP0GUo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Mbz6xsi3MB9Npu5oHVSzi5bd/Rw59mk1gAxsA6LXZv7s+UzZI1b43NheMod/exF/E p0G99l6XKS5QIPrs4SNl0ULGT5n+53zkA2dxI3yyfEiBRWgYbPEwRvoE0Cftxo9fVj sg0H5/ha3Aw2aybHnOV24+Vvy3Zlmpt/BQcs8nPsn5q/hQp451IwX9O117Mpn2qHgq 9YZO2zu58UM5WRog5JSj7TSFx4YHgLVdaQ5fTShDLMN7TVrBVXSLXalasVD8CPq2TB sk7yU5MiE1LRTeCcEt1cziHyJXLioiwTH9gZF/oCxoGkQWjjxAGubvfYB+KCSxkkE8 kaKKIBpoAR54g== Date: Wed, 16 Apr 2025 20:01:43 -0700 From: "Darrick J. Wong" To: Dave Chinner Cc: linux-fsdevel , linux-xfs@vger.kernel.org Subject: Re: [6.15-rc2 regression] xfs: null pointer in the dax fault code Message-ID: <20250417030143.GO25675@frogsfrogsfrogs> References: <20250416174358.GM25675@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-xfs@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: On Thu, Apr 17, 2025 at 06:50:51AM +1000, Dave Chinner wrote: > On Wed, Apr 16, 2025 at 10:43:58AM -0700, Darrick J. Wong wrote: > > Hi folks, > > > > After upgrading to 6.15-rc2, I see the following crash in (I think?) the > > DAX code on xfs/593 (which is a fairly boring fsck test). > > > > MKFS_OPTIONS=" -m metadir=1,autofsck=1,uquota,gquota,pquota, -d daxinherit=1," > > MOUNT_OPTIONS="" > > > > Any ideas? Does this stack trace ring a bell for anyone? > > That looks like the stack trace in this patch posted to -fsdevel a > week ago: > > https://lore.kernel.org/linux-fsdevel/20250410091020.119116-1-david@redhat.com/ Ah, thanks. Will try that patch out. --D > -Dave. > -- > Dave Chinner > david@fromorbit.com >