From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ross Philipson Subject: Re: [PATCH] blktap2: Invalid logic detecting unaligned buffers in vhd_write_block Date: Fri, 25 Mar 2016 12:34:29 -0400 Message-ID: <56F56895.6040006@gmail.com> References: <56EB2B73.3060905@gmail.com> <20160325161106.GB21910@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20160325161106.GB21910@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Wei Liu Cc: "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org T24gMDMvMjUvMjAxNiAxMjoxMSBQTSwgV2VpIExpdSB3cm90ZToKPiBPbiBUaHUsIE1hciAxNywg MjAxNiBhdCAwNjoxMDo1OVBNIC0wNDAwLCBSb3NzIFBoaWxpcHNvbiB3cm90ZToKPj4gSXQgc2Vl bXMgdGhlIGxvZ2ljIGlzIG1lYW50IHRvIGRldGVjdCBzZWN0b3IgdW5hbGlnbmVkIGJ1ZmZlcnMg Zm9yIGJsb2NrCj4+IHdyaXRlcy4gVGhlIE5PVGluZyBvZiB0aGUgbG9naWMgaW5zdGVhZCBtYXNr cyBvZmYgYW55IHVuYWxpZ25lZCBiaXRzIGFuZAo+PiBhbHNvIHdvdWxkIGNhdXNlIHRoZSBmdW5j dGlvbiB0byBhbHdheXMgZmFpbC4gSXQgc2VlbXMgdGhlIGZ1bmN0aW9uIGlzIG5vdAo+PiB1c2Vk IGluIGFueSBvZiB0aGUgdG9vbHMgc28gdGhhdCBpcyBwcm9iYWJseSB3aHkgdGhlIHByb2JsZW0g aXMgbm90IHNlZW4uCj4+IEluIHRoZSB2aGRfcmVhZF9ibG9jayBmdW5jdGlvbiBpdCBpcyBjb3Jy ZWN0Lgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBSb3NzIFBoaWxpcHNvbiA8cm9zcy5waGlsaXBzb25A YWluZm9zZWMuY29tPgo+IAo+IFRoaXMgc2VlbXMgdG8gZmFsbCB1bmRlciB0b29scyB1bWJyZWxs YS4gSSd2ZSBsb29rIGF0IGJsa3RhcDIgY29kZSwKPiB0aGUgcmVhc29uaW5nIGlzIGNvbnZpbmNp bmcgdG8gbWUgc286Cj4gCj4gICBBY2tlZC1ieTogV2VpIExpdSA8d2VpLmxpdTJAY2l0cml4LmNv bT4KPiAKPiBCdXQgSSd2ZSBuZXZlciB1c2VkIGJsa3RhcDIgYW5kIHdlIGRvbid0IG5vcm1hbGx5 IHRlc3QgaXQgc28gSSB3b3VsZAo+IGFsc28gd2FpdCBhIGJpdCBsb25nZXIgdG8gc2VlIGlmIGFu eWJvZHkgb2JqZWN0cyB0byB0aGlzIGNoYW5nZS4KPiAKPiBPT0kgaWYgbm8gY29kZSB3YXMgdXNp bmcgdGhpcywgaG93IGRpZCB5b3UgZGlzY292ZXIgdGhpcyBwcm9ibGVtPwoKV2UgaGF2ZSBhbiBv bGQgZm9yayBvZiBibGt0YXAyIGZyb20gd2F5IGJhY2sgd2hlbi4gSSB3YXMgd29ya2luZyB0byBl eHRyYWN0IG91cgpjaGFuZ2VzIGFuZCB0dXJuIHRoZW0gaW50byBwYXRjaGVzIHNvIHdlIGNvdWxk IHJlYmFzZSBvbiB1cHN0cmVhbSBibGt0YXAyLgpTb21lb25lIGxvbmcgYWdvIGZvdW5kIHRoYXQg LSBJIGhhdmUgbm8gaWRlYSBob3cgYnV0IGl0IHdhcyBhIHZhbGlkIGZpeCBzbyBJCnVwc3RyZWFt ZWQgaXQuCgpUaGVyZSBhcmUgYSBudW1iZXIgb2Ygb3RoZXIgb25lcyB0aGF0IHdlcmUgZm91bmQg dGhhdCBhcmUgc3RpbGwgaW4gdXBzdHJlYW0KYmxrdGFwMiAtIEkgcGxhbiB0byBzZW5kIHRoZW0g dG9vLgoKPiAKPiBXZWkuCj4gCj4+IC0tLQo+PiBkaWZmIC0tZ2l0IGEvdG9vbHMvYmxrdGFwMi92 aGQvbGliL2xpYnZoZC5jIGIvdG9vbHMvYmxrdGFwMi92aGQvbGliL2xpYnZoZC5jCj4+IGluZGV4 IDFmZDViNGUuLjRlYmUwMTIgMTAwNjQ0Cj4+IC0tLSBhL3Rvb2xzL2Jsa3RhcDIvdmhkL2xpYi9s aWJ2aGQuYwo+PiArKysgYi90b29scy9ibGt0YXAyL3ZoZC9saWIvbGlidmhkLmMKPj4gQEAgLTIx ODgsNyArMjE4OCw3IEBAIHZoZF93cml0ZV9ibG9jayh2aGRfY29udGV4dF90ICpjdHgsIHVpbnQz Ml90IGJsb2NrLCBjaGFyICpkYXRhKQo+PiAgICAgICAgIGlmIChibG9jayA+PSBjdHgtPmJhdC5l bnRyaWVzKQo+PiAgICAgICAgICAgICAgICAgcmV0dXJuIC1FUkFOR0U7Cj4+Cj4+IC0gICAgICAg aWYgKCh1bnNpZ25lZCBsb25nKWRhdGEgJiB+KFZIRF9TRUNUT1JfU0laRSAtMSkpCj4+ICsgICAg ICAgaWYgKCh1bnNpZ25lZCBsb25nKWRhdGEgJiAoVkhEX1NFQ1RPUl9TSVpFIC0xKSkKPj4gICAg ICAgICAgICAgICAgIHJldHVybiAtRUlOVkFMOwo+Pgo+PiAgICAgICAgIGJsayAgPSBjdHgtPmJh dC5iYXRbYmxvY2tdOwo+Pgo+PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwo+PiBYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Cj4+IFhlbi1kZXZlbEBsaXN0cy54 ZW4ub3JnCj4+IGh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAoKCi0tIApSb3NzIFBoaWxp cHNvbgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVu LWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMu eGVuLm9yZy94ZW4tZGV2ZWwK