Message ID | f293884fad5f741b9202a9db6006f4bfdaedc2bd.1559580831.git.andreyknvl@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[209.85.220.73]) by mx.google.com with SMTPS id m2sor911696oih.174.2019.06.03.09.56.00 for <linux-mm@kvack.org> (Google Transport Security); Mon, 03 Jun 2019 09:56:00 -0700 (PDT) Received-SPF: pass (google.com: domain of 3h1h1xaokciqivlzm6sv3towwotm.kwutqv25-uus3iks.wzo@flex--andreyknvl.bounces.google.com designates 209.85.220.73 as permitted sender) client-ip=209.85.220.73; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=uyCC5R6P; spf=pass (google.com: domain of 3h1h1xaokciqivlzm6sv3towwotm.kwutqv25-uus3iks.wzo@flex--andreyknvl.bounces.google.com designates 209.85.220.73 as permitted sender) smtp.mailfrom=3H1H1XAoKCIQivlzm6sv3towwotm.kwutqv25-uus3iks.wzo@flex--andreyknvl.bounces.google.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=J9pRn7M3NANi3nsm6t0U9rkGUXnmKvJ1SqswIr7oBNs=; b=uyCC5R6PocJkucx1jg/Ao87LrvuuxuIBF6MJgtDNhRfSLGfd93TT+616KNBdU1kmQ0 AgUDtRxuemeCNPWARnIzmKXOHJHBg+nlDVnGcRWa1zFo9sO/boLQmVSMKTOceUEyeuWg mQemhEJH0YpA4zNTW5udZ12GKI5bnl80kC7VZlC60TPzrs4d4KpnJ4TkMFczujBnqjPI s1PIMD6Bv9mJiTZ+Ezsulw1mODRNfzAxvwpKccvPVlqp//q9tEM3ODpqGbBulPCkTHr1 l2f+hVLNHUHhV92giHpjab5jQ7AF27XvPV9Duk2JrwjNtkOIOBAX18N6EpfDx4AK8S9m dKQg== 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 Cc: Catalin Marinas <catalin.marinas@arm.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Will Deacon <will.deacon@arm.com>, Mark Rutland <mark.rutland@arm.com>, Andrew Morton <akpm@linux-foundation.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Kees Cook <keescook@chromium.org>, Yishai Hadas <yishaih@mellanox.com>, Felix Kuehling <Felix.Kuehling@amd.com>, Alexander Deucher <Alexander.Deucher@amd.com>, Christian Koenig <Christian.Koenig@amd.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Jens Wiklander <jens.wiklander@linaro.org>, Alex Williamson <alex.williamson@redhat.com>, Leon Romanovsky <leon@kernel.org>, Luc Van Oostenryck <luc.vanoostenryck@gmail.com>, Dave Martin <Dave.Martin@arm.com>, Khalid Aziz <khalid.aziz@oracle.com>, enh <enh@google.com>, Jason Gunthorpe <jgg@ziepe.ca>, Christoph Hellwig <hch@infradead.org>, Dmitry Vyukov <dvyukov@google.com>, Kostya Serebryany <kcc@google.com>, Evgeniy Stepanov <eugenis@google.com>, Lee Smith <Lee.Smith@arm.com>, Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>, Jacob Bramley <Jacob.Bramley@arm.com>, Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>, Robin Murphy <robin.murphy@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Szabolcs Nagy <Szabolcs.Nagy@arm.com>, Andrey Konovalov <andreyknvl@google.com>, Kuehling@google.com Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.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;