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Tue, 25 May 2021 19:41:49 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxdM51fqapZ+TAydQBf1YBCQBeMJGeM8QJFnRIR/jK472sF6Fh8jpb1mmntXjLVehm11MPEGA== X-Received: by 2002:a62:ab10:0:b029:2e8:d5a8:d635 with SMTP id p16-20020a62ab100000b02902e8d5a8d635mr15164685pff.74.1621996909140; Tue, 25 May 2021 19:41:49 -0700 (PDT) Received: from wangxiaodeMacBook-Air.local ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id a8sm14716088pfk.11.2021.05.25.19.41.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 May 2021 19:41:48 -0700 (PDT) Subject: Re: [PATCH v7 05/12] virtio_scsi: Add validation for residual bytes from response To: Xie Yongji , mst@redhat.com, stefanha@redhat.com, sgarzare@redhat.com, parav@nvidia.com, hch@infradead.org, christian.brauner@canonical.com, rdunlap@infradead.org, willy@infradead.org, viro@zeniv.linux.org.uk, axboe@kernel.dk, bcrl@kvack.org, corbet@lwn.net, mika.penttila@nextfour.com, dan.carpenter@oracle.com, joro@8bytes.org References: <20210517095513.850-1-xieyongji@bytedance.com> <20210517095513.850-6-xieyongji@bytedance.com> From: Jason Wang Message-ID: <94abb1de-921d-8bf2-4cfc-55c7fc86c5a0@redhat.com> Date: Wed, 26 May 2021 10:41:36 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <20210517095513.850-6-xieyongji@bytedance.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: kvm@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="gbk"; Format="flowed" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" CtTaIDIwMjEvNS8xNyDPws7nNTo1NSwgWGllIFlvbmdqaSDQtLXAOgo+IFRoaXMgZW5zdXJlcyB0 aGF0IHRoZSByZXNpZHVhbCBieXRlcyBpbiByZXNwb25zZSAobWlnaHQgY29tZQo+IGZyb20gYW4g dW50cnVzdGVkIGRldmljZSkgd2lsbCBub3QgZXhjZWVkIHRoZSBkYXRhIGJ1ZmZlciBsZW5ndGgu Cj4KPiBTaWduZWQtb2ZmLWJ5OiBYaWUgWW9uZ2ppIDx4aWV5b25namlAYnl0ZWRhbmNlLmNvbT4K PiAtLS0KPiAgIGRyaXZlcnMvc2NzaS92aXJ0aW9fc2NzaS5jIHwgMiArLQo+ICAgMSBmaWxlIGNo YW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJp dmVycy9zY3NpL3ZpcnRpb19zY3NpLmMgYi9kcml2ZXJzL3Njc2kvdmlydGlvX3Njc2kuYwo+IGlu ZGV4IGVmY2FmMDY3NGM4ZC4uYWQ3ZDhjZWNlYzMyIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvc2Nz aS92aXJ0aW9fc2NzaS5jCj4gKysrIGIvZHJpdmVycy9zY3NpL3ZpcnRpb19zY3NpLmMKPiBAQCAt OTcsNyArOTcsNyBAQCBzdGF0aWMgaW5saW5lIHN0cnVjdCBTY3NpX0hvc3QgKnZpcnRpb19zY3Np X2hvc3Qoc3RydWN0IHZpcnRpb19kZXZpY2UgKnZkZXYpCj4gICBzdGF0aWMgdm9pZCB2aXJ0c2Nz aV9jb21wdXRlX3Jlc2lkKHN0cnVjdCBzY3NpX2NtbmQgKnNjLCB1MzIgcmVzaWQpCj4gICB7Cj4g ICAJaWYgKHJlc2lkKQo+IC0JCXNjc2lfc2V0X3Jlc2lkKHNjLCByZXNpZCk7Cj4gKwkJc2NzaV9z ZXRfcmVzaWQoc2MsIG1pbihyZXNpZCwgc2NzaV9idWZmbGVuKHNjKSkpOwo+ICAgfQo+ICAgCj4g ICAvKgoKCkFja2VkLWJ5OiBKYXNvbiBXYW5nIDxqYXNvd2FuZ0ByZWRoYXQuY29tPgoKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9u IG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpo dHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFs aXphdGlvbg==