Message ID | f293884fad5f741b9202a9db6006f4bfdaedc2bd.1559580831.git.andreyknvl@google.com (mailing list archive) |
---|---|
State | New, archived |
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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=J9pRn7M3NANi3nsm6t0U9rkGUXnmKvJ1SqswIr7oBNs=; b=OT1e/LWnrJs+RdMt6vyTHqwj4C0joTa9GMkeDbc7E6r8VNNtQFquNjHQyZGyZp/lpL GDY7pqDUsd7qXc41SL5QPjgLLbnyhToEQ0mbrrhMwcJVgIfNZJJvO+YIEe3XI90Ncq0T L3oUUeiAcG9aP/5QE6jR9ZlN8Z101KdNoXkF5zW7zZ3COFKxuF8zqQSR8chTywLG1pd0 krxA7YoK25kNUUDk/+H6ZsTenF9aRFtnlb3DVb1x0dLQ31jPjPfeebpEAW3K5cKcerNe thGNA5TSYwFZeP29HX0XMvL4QpceVe53cs7MDuVecoSOkj7foxOQ8fwhn2Svf35RATPg ZSKA== X-Gm-Message-State: APjAAAV++TQnbxkecbo3CcmZD1V/Wt9D5uITnwQDVwdjwhFmEUNbt1r6 u0etSvcXDtQoFnu0h+rnxsQcNeAs1sgHFYCbkFdzkyqli6KHFyipHRDBqufuiuK4+fyE2yzOYY2 CPz2dUhEbkBHblJNXsVMhlPPogD9o1+UyHfkpTC3srNp1nX0kEbAjz+jNngOY9Z4QI06tuuVdQ4 DslnyKvZ/ICRnB3RA= X-Google-Smtp-Source: APXvYqxkxhXEjx8ehUwO+4U+/PSwW95cfpd51BrO1CGROW1JbuARWLoPLbgzmMBGokFlEw6Kw7ByzaocLX6whXWc X-Received: by 2002:aca:4341:: with SMTP id q62mr1665112oia.140.1559580959661; Mon, 03 Jun 2019 09:55:59 -0700 (PDT) Date: Mon, 3 Jun 2019 18:55:13 +0200 In-Reply-To: <cover.1559580831.git.andreyknvl@google.com> Message-Id: <f293884fad5f741b9202a9db6006f4bfdaedc2bd.1559580831.git.andreyknvl@google.com> Mime-Version: 1.0 References: <cover.1559580831.git.andreyknvl@google.com> X-Mailer: git-send-email 2.22.0.rc1.311.g5d7573a151-goog Subject: [PATCH v16 11/16] drm/radeon, arm64: untag user pointers in radeon_gem_userptr_ioctl From: Andrey Konovalov <andreyknvl@google.com> To: linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190603_095602_721738_2BF744DC X-CRM114-Status: GOOD ( 12.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Mark Rutland <mark.rutland@arm.com>, Szabolcs Nagy <Szabolcs.Nagy@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Kostya Serebryany <kcc@google.com>, Khalid Aziz <khalid.aziz@oracle.com>, Felix Kuehling <Felix.Kuehling@amd.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Jacob Bramley <Jacob.Bramley@arm.com>, Leon Romanovsky <leon@kernel.org>, Christoph Hellwig <hch@infradead.org>, Jason Gunthorpe <jgg@ziepe.ca>, Kuehling@google.com, Dave Martin <Dave.Martin@arm.com>, Evgeniy Stepanov <eugenis@google.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Kees Cook <keescook@chromium.org>, Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>, Andrey Konovalov <andreyknvl@google.com>, Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>, Alex Williamson <alex.williamson@redhat.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Dmitry Vyukov <dvyukov@google.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Yishai Hadas <yishaih@mellanox.com>, Jens Wiklander <jens.wiklander@linaro.org>, Lee Smith <Lee.Smith@arm.com>, Alexander Deucher <Alexander.Deucher@amd.com>, Andrew Morton <akpm@linux-foundation.org>, enh <enh@google.com>, Robin Murphy <robin.murphy@arm.com>, Christian Koenig <Christian.Koenig@amd.com>, Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
arm64: untag user pointers passed to the kernel
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expand
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diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 44617dec8183..90eb78fb5eb2 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -291,6 +291,8 @@ int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data, uint32_t handle; int r; + args->addr = untagged_addr(args->addr); + if (offset_in_page(args->addr | args->size)) return -EINVAL;