From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8EDA6C54EE9 for ; Thu, 8 Sep 2022 13:29:10 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 08DEE4CC45; Thu, 8 Sep 2022 09:29:10 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3BayokVXApYB; Thu, 8 Sep 2022 09:29:06 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id CD5A44CBF9; Thu, 8 Sep 2022 09:29:06 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 7F1894CC08 for ; Thu, 8 Sep 2022 09:29:05 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id r9qsqfmKuOqt for ; Thu, 8 Sep 2022 09:29:04 -0400 (EDT) Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 472924CBF9 for ; Thu, 8 Sep 2022 09:29:04 -0400 (EDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id C90D6B82075; Thu, 8 Sep 2022 13:29:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0CCA9C433D6; Thu, 8 Sep 2022 13:28:58 +0000 (UTC) Date: Thu, 8 Sep 2022 14:28:55 +0100 From: Catalin Marinas To: Zenghui Yu Subject: Re: [PATCH] KVM: arm64: Use kmemleak_free_part_phys() to unregister hyp_mem_base Message-ID: References: <20220908130659.2021-1-yuzenghui@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220908130659.2021-1-yuzenghui@huawei.com> Cc: will@kernel.org, maz@kernel.org, linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Thu, Sep 08, 2022 at 09:06:59PM +0800, Zenghui Yu wrote: > With commit 0c24e061196c ("mm: kmemleak: add rbtree and store physical > address for objects allocated with PA"), kmemleak started to put the > objects allocated with physical address onto object_phys_tree_root tree. > The kmemleak_free_part() therefore no longer worked as expected on > physically allocated objects (hyp_mem_base in this case) as it attempted to > search and remove things in object_tree_root tree. > > Fix it by using kmemleak_free_part_phys() to unregister hyp_mem_base. This > fixes an immediate crash when booting a KVM host in protected mode with > kmemleak enabled. > > Signed-off-by: Zenghui Yu Acked-by: Catalin Marinas _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm