From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Roper Subject: [PATCH v4 2/2] drm/i915: Validate userspace-provided color management LUT's (v3) Date: Mon, 17 Dec 2018 14:44:15 -0800 Message-ID: <20181217224415.12848-2-matthew.d.roper@intel.com> References: <20181217224415.12848-1-matthew.d.roper@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20181217224415.12848-1-matthew.d.roper@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org V2UgY3VycmVudGx5IHByb2dyYW0gdXNlcnNwYWNlLXByb3ZpZGVkIGdhbW1hIGFuZCBkZWdhbW1h IExVVCdzIGludG8gb3VyCmhhcmR3YXJlIHdpdGhvdXQgcmVhbGx5IGNoZWNraW5nIHRvIHNlZSB3 aGV0aGVyIHRoZXkgc2F0aXNmeSBvdXIKaGFyZHdhcmUncyBydWxlcy4gIFdlIHNob3VsZCB0cnkg dG8gY2F0Y2ggdGFibGVzIHRoYXQgYXJlIGludmFsaWQgZm9yCm91ciBoYXJkd2FyZSBlYXJseSBh bmQgcmVqZWN0IHRoZSBhdG9taWMgdHJhbnNhY3Rpb24uCgpBbGwgb2Ygb3VyIHBsYXRmb3JtcyB0 aGF0IGFjY2VwdCBhIGRlZ2FtbWEgTFVUIGV4cGVjdCB0aGF0IHRoZSBlbnRyaWVzCmluIHRoZSBM VVQgYXJlIGFsd2F5cyBmbGF0IG9yIGluY3JlYXNpbmcsIG5ldmVyIGRlY3JlYXNpbmcuICBBbHNv LCBvdXIKR0xLIGFuZCBJQ0wgcGxhdGZvcm1zIG9ubHkgYWNjZXB0IGRlZ2FtbWEgdGFibGVzIHdp dGggcj1nPWIgZW50cmllczsgc28Kd2Ugc2hvdWxkIGFsc28gYWRkIHRoZSByZWxldmFudCBjaGVj a3MgZm9yIHRoYXQgaW4gYW50aWNpcGF0aW9uIG9mCmRlZ2FtbWEgc3VwcG9ydCBsYW5kaW5nIGZv ciB0aG9zZSBwbGF0Zm9ybXMuCgp2MjoKIC0gVXNlIG5ldyBBUEkgKHNpbmdsZSBjaGVjayBmdW5j dGlvbiB3aXRoIGJpdG1hc2sgb2YgdGVzdHMgdG8gYXBwbHkpCiAtIENhbGwgaGVscGVyIGZvciBv dXIgZ2FtbWEgdGFibGUgYXMgd2VsbCAod2l0aCBubyBhZGRpdGlvbmFsIHRlc3RzCiAgIHNwZWNp ZmllZCkgc28gdGhhdCB0aGUgdGFibGUgc2l6ZSB3aWxsIGJlIHZhbGlkYXRlZC4KCnYzOgogLSBE b24ndCBjYWxsIG9uIHRoZSBnYW1tYSB0YWJsZSBzaW5jZSB0aGUgTFVUIHNpemUgaXMgYWxyZWFk eSB0ZXN0ZWQgYXQKICAgcHJvcGVydHkgYmxvYiB1cGxvYWQgYW5kIHdlIGRvbid0IGhhdmUgYW55 IGFkZGl0aW9uYWwgaGFyZHdhcmUKICAgY29uc3RyYWludHMgZm9yIHRoYXQgTFVULgoKQ2M6IFVt YSBTaGFua2FyIDx1bWEuc2hhbmthckBpbnRlbC5jb20+CkNjOiBTd2F0aSBTaGFybWEgPHN3YXRp Mi5zaGFybWFAaW50ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBNYXR0IFJvcGVyIDxtYXR0aGV3LmQu cm9wZXJAaW50ZWwuY29tPgpSZXZpZXdlZC1ieTogVW1hIFNoYW5rYXIgPHVtYS5zaGFua2FyQGlu dGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9jb2xvci5jIHwgMTYgKysr KysrKysrKysrKysrKwogMSBmaWxlIGNoYW5nZWQsIDE2IGluc2VydGlvbnMoKykKCmRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9jb2xvci5jIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfY29sb3IuYwppbmRleCAzN2ZkOWRkZjc2MmUuLmJkYmU0NzRhZDliMiAxMDA2 NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfY29sb3IuYworKysgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9jb2xvci5jCkBAIC02MDksMTAgKzYwOSwyNiBAQCBpbnQgaW50 ZWxfY29sb3JfY2hlY2soc3RydWN0IGludGVsX2NydGNfc3RhdGUgKmNydGNfc3RhdGUpCiB7CiAJ c3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gdG9faTkxNShjcnRjX3N0YXRlLT5i YXNlLmNydGMtPmRldik7CiAJc2l6ZV90IGdhbW1hX2xlbmd0aCwgZGVnYW1tYV9sZW5ndGg7CisJ dWludDMyX3QgdGVzdHMgPSBEUk1fQ09MT1JfTFVUX05PTl9ERUNSRUFTSU5HOwogCiAJZGVnYW1t YV9sZW5ndGggPSBJTlRFTF9JTkZPKGRldl9wcml2KS0+Y29sb3IuZGVnYW1tYV9sdXRfc2l6ZTsK IAlnYW1tYV9sZW5ndGggPSBJTlRFTF9JTkZPKGRldl9wcml2KS0+Y29sb3IuZ2FtbWFfbHV0X3Np emU7CiAKKwkvKgorCSAqIEFsbCBvZiBvdXIgcGxhdGZvcm1zIG1hbmRhdGUgdGhhdCB0aGUgZGVn YW1tYSBjdXJ2ZSBiZQorCSAqIG5vbi1kZWNyZWFzaW5nLiAgQWRkaXRpb25hbGx5LCBHTEsgYW5k IGdlbjExIG9ubHkgYWNjZXB0IGEgc2luZ2xlCisJICogdmFsdWUgZm9yIHJlZCwgZ3JlZW4sIGFu ZCBibHVlIGluIHRoZSBkZWdhbW1hIHRhYmxlLiAgTWFrZSBzdXJlCisJICogdXNlcnNwYWNlIGRp ZG4ndCB0cnkgdG8gcGFzcyB1cyBzb21ldGhpbmcgd2UgY2FuJ3QgaGFuZGxlLgorCSAqCisJICog V2UgZG9uJ3QgaGF2ZSBhbnkgZXh0cmEgaGFyZHdhcmUgY29uc3RyYWludHMgb24gdGhlIGdhbW1h IHRhYmxlLAorCSAqIHNvIG5vIG5lZWQgdG8gZXhwbGljaXRseSBjaGVjayBpdC4KKwkgKi8KKwlp ZiAoSVNfR0VNSU5JTEFLRShkZXZfcHJpdikgfHwgSU5URUxfR0VOKGRldl9wcml2KSA+PSAxMSkK KwkJdGVzdHMgfD0gRFJNX0NPTE9SX0xVVF9FUVVBTF9DSEFOTkVMUzsKKworCWlmIChkcm1fY29s b3JfbHV0X2NoZWNrKGNydGNfc3RhdGUtPmJhc2UuZGVnYW1tYV9sdXQsIHRlc3RzKSAhPSAwKQor CQlyZXR1cm4gLUVJTlZBTDsKKwogCS8qCiAJICogV2UgYWxsb3cgYm90aCBkZWdhbW1hICYgZ2Ft bWEgbHV0cyBhdCB0aGUgcmlnaHQgc2l6ZSBvcgogCSAqIE5VTEwuCi0tIAoyLjE0LjQKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=