From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgbr2.qq.com (smtpbgbr2.qq.com [54.207.22.56]) (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 40AE214D71D for ; Mon, 25 Mar 2024 08:17:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.207.22.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711354674; cv=none; b=LkIpMX0swAa6GHusG/IStiUZlYi4iJB/93pXp381wkJYpWnLXa1I3GVepNUC3bgZOVBA/jWyMslIiXNxoiXlFQilxq4/VSahF1aLC0HjwyBV0EfarFdhUlahnlIhjiq/CXJ/+uCooLx2emrEfcLDfXghccPgcX+HQrkbCJpkQx0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711354674; c=relaxed/simple; bh=Wg6WfcPEQwL55T2esk9lNY5WkdI7LYEAnLpWUMOjO7g=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=tJhgkjmsYmZl9ubN+VFLfMqgEs4+2PWc95ODVeKlXzTX5/JWc6Y9bcHmj3VpDNwFXUlhYcmOOzH6wLzoSaFz42y5gjHvqslm7DuyH+UO+kUp3ysu5Qm3ijtJaGoo3cUSjwTYaQfd54O25arKQ4ScIjkhMViiijo8EhbUBIXfKC8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=shingroup.cn; spf=pass smtp.mailfrom=shingroup.cn; arc=none smtp.client-ip=54.207.22.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=shingroup.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=shingroup.cn X-QQ-mid: bizesmtp77t1711354526t5s54l32 X-QQ-Originating-IP: Ls4Prxq7MO6NstYxnaRQFYkyDxV81ahZ0/dWjvhVzjo= Received: from localhost ( [112.0.147.175]) by bizesmtp.qq.com (ESMTP) with id ; Mon, 25 Mar 2024 16:15:25 +0800 (CST) X-QQ-SSF: 01400000000000704000000A0000000 X-QQ-FEAT: znfcQSa1hKaBnlMfaFPyz3i3KVZXH+Ls6uBPmKtEh39Zd+BhmVL0TmkIKYXGl tKvXPNuC82SSXYAoj633PyDPOsSA3W4Mx6Ad1cKPYog48WdmAgovUN0bb7ugULXWd2Vk/Bm Irz9ppxvyB2arDA+Z3UyaNEx++5jHM5L0G9lU2prd1bPHxsKiepFh7okZrWbCS38MLVg4Fz gInHl66sYt8Ufu3FPNI7YaI5tW8hjpyBuREMBbbAwv8P71SqTyJm/cwG3abwdITx3O1RMAR ctI5xFoSQq3A1Nbt2Avl7vh5U6LSfUCkCjZlO7/vU1LBRX3yZDtFigKgxF5SWbVC7Bq3rzq zNdlVtvY/xNL0X+UCHop8SqQQe2MCLrxPzPcpKEDgCtoYpKLD27uZmwHJ9eyarYe62n/gQJ 3YzNTOGA4J4= X-QQ-GoodBg: 2 X-BIZMAIL-ID: 77173555368639370 Date: Mon, 25 Mar 2024 16:15:24 +0800 From: Dawei Li To: xiubli@redhat.com Cc: linux-kernel@vger.kernel.org, dawei.li@shingroup.cn Subject: re: kernel BUG at mm/usercopy.c:102 -- pc : usercopy_abort Message-ID: Reply-To: e119b3e2-09a0-47a7-945c-98a1f03633ef@redhat.com 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 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:shingroup.cn:qybglogicsvrgz:qybglogicsvrgz5a-1 Hi, Sorry for the top-posting cuz I miss you original mail. About issue on [1], maybe I am the trouble maker here. Can you please revert commit below to see if it can fix it? commit 328c801335d5f7edf2a3c9c331ddf8978f21e2a7 cpumask: create dedicated kmem cache for cpumask var [1] https://lore.kernel.org/all/e119b3e2-09a0-47a7-945c-98a1f03633ef@redhat.com/ Sorry for the mess. Thanks, Dawei