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[49.186.119.116]) by smtp.gmail.com with ESMTPSA id g9-20020a170902740900b001bb9f104330sm3196450pll.240.2023.07.24.14.45.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 14:45:28 -0700 (PDT) Received: from dave by dread.disaster.area with local (Exim 4.96) (envelope-from ) id 1qO3Mr-00A6cJ-2H; Tue, 25 Jul 2023 07:45:25 +1000 Date: Tue, 25 Jul 2023 07:45:25 +1000 From: Dave Chinner To: Daniel Dao Cc: linux-fsdevel@vger.kernel.org, Matthew Wilcox , kernel-team , linux-kernel , djwong@kernel.org Subject: Re: Kernel NULL pointer deref and data corruptions with xfs on 6.1 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 24, 2023 at 12:23:31PM +0100, Daniel Dao wrote: > Hi again, > > We had another example of xarray corruption involving xfs and zsmalloc. We are > running zram as swap. We have 2 tasks deadlock waiting for page to be released Do your problems on 6.1 go away if you stop using zram as swap? -Dave. -- Dave Chinner david@fromorbit.com