From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: [PATCH 1/6] drm/i915/pmu: Fix enable count array size and bounds checking Date: Mon, 12 Feb 2018 18:57:35 +0000 Message-ID: <20180212185740.4429-2-tvrtko.ursulin@linux.intel.com> References: <20180212185740.4429-1-tvrtko.ursulin@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x242.google.com (mail-wm0-x242.google.com [IPv6:2a00:1450:400c:c09::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8C30F89CF5 for ; Mon, 12 Feb 2018 18:57:52 +0000 (UTC) Received: by mail-wm0-x242.google.com with SMTP id v123so11852218wmd.5 for ; Mon, 12 Feb 2018 10:57:52 -0800 (PST) In-Reply-To: <20180212185740.4429-1-tvrtko.ursulin@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KCkVuYWJsZSBj b3VudCBhcnJheSBpcyBzdXBwb3NlZCB0byBoYXZlIG9uZSBjb3VudGVyIGZvciBlYWNoIHBvc3Np YmxlCmVuZ2luZSBzYW1wbGVyLiBBcyBzdWNoIGFycmF5IHNpemluZyBhbmQgYm91bmRzIGNoZWNr aW5nIGlzIG5vdApjb3JyZWN0IHdoZW4gbW9yZSBlbmdpbmUgc2FtcGxlcnMgYXJlIGFkZGVkLgoK QXQgdGhlIHNhbWUgdGltZSB0aWR5IHRoZSBhc3NlcnQgZm9yIHJlYWRhYmlsaXR5IGFuZCByb2J1 c3RuZXNzLgoKU2lnbmVkLW9mZi1ieTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGlu dGVsLmNvbT4KRml4ZXM6IGI0NmEzM2UyNzFlZCAoImRybS9pOTE1L3BtdTogRXhwb3NlIGEgUE1V IGludGVyZmFjZSBmb3IgcGVyZiBxdWVyaWVzIikKQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hy aXMtd2lsc29uLmNvLnVrPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcG11LmMgICAg ICAgICB8IDEzICsrKysrKysrKy0tLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Jpbmdi dWZmZXIuaCB8ICAyICstCiAyIGZpbGVzIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDUgZGVs ZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9wbXUuYyBi L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcG11LmMKaW5kZXggOTY0NDY3YjAzZTRkLi5hMGFl N2NhMjIwZmQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcG11LmMKKysr IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9wbXUuYwpAQCAtNTc2LDcgKzU3Niw4IEBAIHN0 YXRpYyB2b2lkIGk5MTVfcG11X2VuYWJsZShzdHJ1Y3QgcGVyZl9ldmVudCAqZXZlbnQpCiAJICog VXBkYXRlIHRoZSBiaXRtYXNrIG9mIGVuYWJsZWQgZXZlbnRzIGFuZCBpbmNyZW1lbnQKIAkgKiB0 aGUgZXZlbnQgcmVmZXJlbmNlIGNvdW50ZXIuCiAJICovCi0JR0VNX0JVR19PTihiaXQgPj0gSTkx NV9QTVVfTUFTS19CSVRTKTsKKwlCVUlMRF9CVUdfT04oQVJSQVlfU0laRShpOTE1LT5wbXUuZW5h YmxlX2NvdW50KSAhPSBJOTE1X1BNVV9NQVNLX0JJVFMpOworCUdFTV9CVUdfT04oYml0ID49IEFS UkFZX1NJWkUoaTkxNS0+cG11LmVuYWJsZV9jb3VudCkpOwogCUdFTV9CVUdfT04oaTkxNS0+cG11 LmVuYWJsZV9jb3VudFtiaXRdID09IH4wKTsKIAlpOTE1LT5wbXUuZW5hYmxlIHw9IEJJVF9VTEwo Yml0KTsKIAlpOTE1LT5wbXUuZW5hYmxlX2NvdW50W2JpdF0rKzsKQEAgLTYwMCw3ICs2MDEsMTAg QEAgc3RhdGljIHZvaWQgaTkxNV9wbXVfZW5hYmxlKHN0cnVjdCBwZXJmX2V2ZW50ICpldmVudCkK IAkJR0VNX0JVR19PTighZW5naW5lKTsKIAkJZW5naW5lLT5wbXUuZW5hYmxlIHw9IEJJVChzYW1w bGUpOwogCi0JCUdFTV9CVUdfT04oc2FtcGxlID49IEk5MTVfUE1VX1NBTVBMRV9CSVRTKTsKKwkJ QlVJTERfQlVHX09OKEFSUkFZX1NJWkUoZW5naW5lLT5wbXUuZW5hYmxlX2NvdW50KSAhPQorCQkJ ICAgICAoMSA8PCBJOTE1X1BNVV9TQU1QTEVfQklUUykpOworCQlHRU1fQlVHX09OKHNhbXBsZSA+ PSBBUlJBWV9TSVpFKGVuZ2luZS0+cG11LmVuYWJsZV9jb3VudCkpOworCQlHRU1fQlVHX09OKHNh bXBsZSA+PSBBUlJBWV9TSVpFKGVuZ2luZS0+cG11LnNhbXBsZSkpOwogCQlHRU1fQlVHX09OKGVu Z2luZS0+cG11LmVuYWJsZV9jb3VudFtzYW1wbGVdID09IH4wKTsKIAkJZW5naW5lLT5wbXUuZW5h YmxlX2NvdW50W3NhbXBsZV0rKzsKIAl9CkBAIC02MzIsNyArNjM2LDggQEAgc3RhdGljIHZvaWQg aTkxNV9wbXVfZGlzYWJsZShzdHJ1Y3QgcGVyZl9ldmVudCAqZXZlbnQpCiAJCQkJCQkgIGVuZ2lu ZV9ldmVudF9jbGFzcyhldmVudCksCiAJCQkJCQkgIGVuZ2luZV9ldmVudF9pbnN0YW5jZShldmVu dCkpOwogCQlHRU1fQlVHX09OKCFlbmdpbmUpOwotCQlHRU1fQlVHX09OKHNhbXBsZSA+PSBJOTE1 X1BNVV9TQU1QTEVfQklUUyk7CisJCUdFTV9CVUdfT04oc2FtcGxlID49IEFSUkFZX1NJWkUoZW5n aW5lLT5wbXUuZW5hYmxlX2NvdW50KSk7CisJCUdFTV9CVUdfT04oc2FtcGxlID49IEFSUkFZX1NJ WkUoZW5naW5lLT5wbXUuc2FtcGxlKSk7CiAJCUdFTV9CVUdfT04oZW5naW5lLT5wbXUuZW5hYmxl X2NvdW50W3NhbXBsZV0gPT0gMCk7CiAJCS8qCiAJCSAqIERlY3JlbWVudCB0aGUgcmVmZXJlbmNl IGNvdW50IGFuZCBjbGVhciB0aGUgZW5hYmxlZApAQCAtNjQyLDcgKzY0Nyw3IEBAIHN0YXRpYyB2 b2lkIGk5MTVfcG11X2Rpc2FibGUoc3RydWN0IHBlcmZfZXZlbnQgKmV2ZW50KQogCQkJZW5naW5l LT5wbXUuZW5hYmxlICY9IH5CSVQoc2FtcGxlKTsKIAl9CiAKLQlHRU1fQlVHX09OKGJpdCA+PSBJ OTE1X1BNVV9NQVNLX0JJVFMpOworCUdFTV9CVUdfT04oYml0ID49IEFSUkFZX1NJWkUoaTkxNS0+ cG11LmVuYWJsZV9jb3VudCkpOwogCUdFTV9CVUdfT04oaTkxNS0+cG11LmVuYWJsZV9jb3VudFti aXRdID09IDApOwogCS8qCiAJICogRGVjcmVtZW50IHRoZSByZWZlcmVuY2UgY291bnQgYW5kIGNs ZWFyIHRoZSBlbmFibGVkCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9y aW5nYnVmZmVyLmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVyLmgKaW5k ZXggOGYxYTRiYWRmODEyLi4zZTk4YTU4OTcxNmEgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX3JpbmdidWZmZXIuaAorKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9yaW5nYnVmZmVyLmgKQEAgLTM2Myw3ICszNjMsNyBAQCBzdHJ1Y3QgaW50ZWxfZW5naW5lX2Nz IHsKIAkJICoKIAkJICogSW5kZXggbnVtYmVyIGNvcnJlc3BvbmRzIHRvIHRoZSBiaXQgbnVtYmVy IGZyb20gQGVuYWJsZS4KIAkJICovCi0JCXVuc2lnbmVkIGludCBlbmFibGVfY291bnRbSTkxNV9Q TVVfU0FNUExFX0JJVFNdOworCQl1bnNpZ25lZCBpbnQgZW5hYmxlX2NvdW50WzEgPDwgSTkxNV9Q TVVfU0FNUExFX0JJVFNdOwogCQkvKioKIAkJICogQHNhbXBsZTogQ291bnRlciB2YWx1ZXMgZm9y IHNhbXBsaW5nIGV2ZW50cy4KIAkJICoKLS0gCjIuMTQuMQoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==