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[49.181.60.96]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22c33fac055sm18893805ad.107.2025.04.16.13.50.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Apr 2025 13:50:54 -0700 (PDT) Received: from dave by dread.disaster.area with local (Exim 4.98) (envelope-from ) id 1u59id-00000009RUm-21Bm; Thu, 17 Apr 2025 06:50:51 +1000 Date: Thu, 17 Apr 2025 06:50:51 +1000 From: Dave Chinner To: "Darrick J. Wong" Cc: linux-fsdevel , linux-xfs@vger.kernel.org Subject: Re: [6.15-rc2 regression] xfs: null pointer in the dax fault code Message-ID: References: <20250416174358.GM25675@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-fsdevel@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: <20250416174358.GM25675@frogsfrogsfrogs> 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/ -Dave. -- Dave Chinner david@fromorbit.com