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 X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D1F7C433ED for ; Wed, 12 May 2021 10:47:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B1E4613D3 for ; Wed, 12 May 2021 10:47:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230178AbhELKs7 (ORCPT ); Wed, 12 May 2021 06:48:59 -0400 Received: from wforward4-smtp.messagingengine.com ([64.147.123.34]:45045 "EHLO wforward4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230160AbhELKs7 (ORCPT ); Wed, 12 May 2021 06:48:59 -0400 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailforward.west.internal (Postfix) with ESMTP id D5D1D12BE; Wed, 12 May 2021 06:47:50 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Wed, 12 May 2021 06:47:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=efPfI5 q7uOx6rwEOZ4t0Jk9vv27AVEkNaiNCLuIOIbs=; b=A1GKcQgn9zcAc4i24ARY5O YIzjHg5PZ2Hiln/mou81Qfi3XeNLmOCXAaLZXttQHDX6Aji/Dnf5gcfEQ41y/gyw k2yH9OydeszFZMCeion9aRcZThx0KaSDpCEBFQrQfLKPuZY2Lq1t7mzCGVp0ZkxQ Pqd49KlM/a9x/i/+9mJwPl2bExcYyQF107QjjCOi8d1hk3c5T7wsIO4dLvh6ro4W 1gmmcETPVfDdiAsl+V2SAV8ULe2qORFjs0AXinlgxg3xDZdMMtDY7tV1YXyz8PzC 6+nR/D9K8GuFvOwezeQz5M/U05i2Pe1CqNuc87MWcSpI/8qgY1PjXTthyKeu8kjA == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdehvddgvdelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefuvffhfffkgggtgfesthekredttd dtlfenucfhrhhomhepoehgrhgvghhkhheslhhinhhugihfohhunhgurghtihhonhdrohhr gheqnecuggftrfgrthhtvghrnhepleelledvgeefleeltdetgedugeffgffhudffudduke egfeelgeeigeekjefhleevnecuffhomhgrihhnpehkvghrnhgvlhdrohhrghenucfkphep keefrdekiedrjeegrdeigeenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmhepmh grihhlfhhrohhmpehgrhgvgheskhhrohgrhhdrtghomh X-ME-Proxy: Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 12 May 2021 06:47:49 -0400 (EDT) Subject: FAILED: patch "[PATCH] KVM: arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION read" failed to apply to 5.4-stable tree To: eric.auger@redhat.com, alexandru.elisei@arm.com, maz@kernel.org Cc: From: Date: Wed, 12 May 2021 12:47:40 +0200 Message-ID: <162081646096133@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 53b16dd6ba5cf64ed147ac3523ec34651d553cb0 Mon Sep 17 00:00:00 2001 From: Eric Auger Date: Mon, 5 Apr 2021 18:39:34 +0200 Subject: [PATCH] KVM: arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION read The doc says: "The characteristics of a specific redistributor region can be read by presetting the index field in the attr data. Only valid for KVM_DEV_TYPE_ARM_VGIC_V3" Unfortunately the existing code fails to read the input attr data. Fixes: 04c110932225 ("KVM: arm/arm64: Implement KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION") Cc: stable@vger.kernel.org#v4.17+ Signed-off-by: Eric Auger Reviewed-by: Alexandru Elisei Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20210405163941.510258-3-eric.auger@redhat.com diff --git a/arch/arm64/kvm/vgic/vgic-kvm-device.c b/arch/arm64/kvm/vgic/vgic-kvm-device.c index 44419679f91a..2f66cf247282 100644 --- a/arch/arm64/kvm/vgic/vgic-kvm-device.c +++ b/arch/arm64/kvm/vgic/vgic-kvm-device.c @@ -226,6 +226,9 @@ static int vgic_get_common_attr(struct kvm_device *dev, u64 addr; unsigned long type = (unsigned long)attr->attr; + if (copy_from_user(&addr, uaddr, sizeof(addr))) + return -EFAULT; + r = kvm_vgic_addr(dev->kvm, type, &addr, false); if (r) return (r == -ENODEV) ? -ENXIO : r;