From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: [PATCH i-g-t 1/5] intel-gpu-overlay: Avoid theoretical string overflow Date: Wed, 8 Nov 2017 12:06:50 +0000 Message-ID: <20171108120654.680-2-tvrtko.ursulin@linux.intel.com> References: <20171108120654.680-1-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-wr0-x241.google.com (mail-wr0-x241.google.com [IPv6:2a00:1450:400c:c0c::241]) by gabe.freedesktop.org (Postfix) with ESMTPS id 56C466E670 for ; Wed, 8 Nov 2017 12:07:10 +0000 (UTC) Received: by mail-wr0-x241.google.com with SMTP id l22so2188364wrc.11 for ; Wed, 08 Nov 2017 04:07:10 -0800 (PST) In-Reply-To: <20171108120654.680-1-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 RnJvbTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KCkdDQyA3IG5v dGljZXMgYSB0aGVvcmV0aWNhbCBzdHJpbmcgb3ZlcmZsb3cuIFVzZSBzbnByaW50ZiBhbmQgaW5j cmVhc2UKdGhlIGJ1ZmZlciB0byBhdm9pZCB0aGF0LgoKU2lnbmVkLW9mZi1ieTogVHZydGtvIFVy c3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KLS0tCiBvdmVybGF5L292ZXJsYXkuYyB8 IDYgKysrLS0tCiAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygt KQoKZGlmZiAtLWdpdCBhL292ZXJsYXkvb3ZlcmxheS5jIGIvb3ZlcmxheS9vdmVybGF5LmMKaW5k ZXggNWZjNjk1OGJlMmQ5Li4yZWM4NjYwOWE0NjQgMTAwNjQ0Ci0tLSBhL292ZXJsYXkvb3Zlcmxh eS5jCisrKyBiL292ZXJsYXkvb3ZlcmxheS5jCkBAIC03NDMsNyArNzQzLDcgQEAgc3RhdGljIHZv aWQgaW5pdF9nZW1fb2JqZWN0cyhzdHJ1Y3Qgb3ZlcmxheV9jb250ZXh0ICpjdHgsCiBzdGF0aWMg dm9pZCBzaG93X2dlbV9vYmplY3RzKHN0cnVjdCBvdmVybGF5X2NvbnRleHQgKmN0eCwgc3RydWN0 IG92ZXJsYXlfZ2VtX29iamVjdHMgKmdvKQogewogCXN0cnVjdCBnZW1fb2JqZWN0c19jb21tICpj b21tOwotCWNoYXIgYnVmWzE2MF07CisJY2hhciBidWZbMzYwXTsKIAljYWlyb19wYXR0ZXJuX3Qg KmxpbmVhcjsKIAlpbnQgeCwgeSwgeTEsIHkyOwogCkBAIC03ODUsNyArNzg1LDcgQEAgc3RhdGlj IHZvaWQgc2hvd19nZW1fb2JqZWN0cyhzdHJ1Y3Qgb3ZlcmxheV9jb250ZXh0ICpjdHgsIHN0cnVj dCBvdmVybGF5X2dlbV9vYmoKIAljYWlyb19wYXR0ZXJuX2Rlc3Ryb3kobGluZWFyKTsKIAljYWly b19maWxsKGN0eC0+Y3IpOwogCi0Jc3ByaW50ZihidWYsICJUb3RhbDogJWxkTUIsICVsZCBvYmpl Y3RzIiwKKwlzbnByaW50ZihidWYsIHNpemVvZihidWYpLCAiVG90YWw6ICVsdU1CLCAlbHUgb2Jq ZWN0cyIsCiAJCWdvLT5nZW1fb2JqZWN0cy50b3RhbF9ieXRlcyA+PiAyMCwgZ28tPmdlbV9vYmpl Y3RzLnRvdGFsX2NvdW50KTsKIAljYWlyb19zZXRfc291cmNlX3JnYmEoY3R4LT5jciwgMSwgMSwg MSwgMSk7CiAJY2Fpcm9fbW92ZV90byhjdHgtPmNyLCB4LCB5KTsKQEAgLTc5OCw3ICs3OTgsNyBA QCBzdGF0aWMgdm9pZCBzaG93X2dlbV9vYmplY3RzKHN0cnVjdCBvdmVybGF5X2NvbnRleHQgKmN0 eCwgc3RydWN0IG92ZXJsYXlfZ2VtX29iagogCQlpZiAoKGNvbW0tPmJ5dGVzID4+IDIwKSA9PSAw KQogCQkJYnJlYWs7CiAKLQkJc3ByaW50ZihidWYsICIlcyAlbGRNQiwgJWxkIG9iamVjdHMiLAor CQlzbnByaW50ZihidWYsIHNpemVvZihidWYpLCAiJXMgJWx1TUIsICVsdSBvYmplY3RzIiwKIAkJ CWNvbW0tPm5hbWUsIGNvbW0tPmJ5dGVzID4+IDIwLCBjb21tLT5jb3VudCk7CiAJCWNhaXJvX21v dmVfdG8oY3R4LT5jciwgeCwgeSk7CiAJCWNhaXJvX3Nob3dfdGV4dChjdHgtPmNyLCBidWYpOwot LSAKMi4xNC4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK