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([2a00:a040:18e:2e5f:892e:3513:56b2:685c]) by smtp.gmail.com with ESMTPSA id c132sm7024965wma.22.2021.09.20.03.11.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Sep 2021 03:11:17 -0700 (PDT) Subject: Re: [PATCH] nvme-tcp: fix incorrect h2cdata pdu offset accounting From: Sagi Grimberg To: Keith Busch Cc: linux-nvme@lists.infradead.org, Christoph Hellwig , Chaitanya Kulkarni References: <20210914153855.16177-1-sagi@grimberg.me> <20210916164559.GB3908552@dhcp-10-100-145-180.wdc.com> Message-ID: <63f7bbad-7d92-e631-dad2-9145a99e0f10@grimberg.me> Date: Mon, 20 Sep 2021 13:11:16 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210920_031120_332787_3431BB52 X-CRM114-Status: GOOD ( 15.03 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Cj4+PiBGaXhlczogODI1NjE5YjA5YWQzICgibnZtZS10Y3A6IGZpeCBwb3NzaWJsZSB1c2UtYWZ0 ZXItY29tcGxldGlvbiIpCj4+PiBSZXBvcnRlZC1ieTogTm93YWssIEx1a2FzeiA8THVrYXN6Lk5v d2FrQERlbGwuY29tPgo+Pj4gVGVzdGVkLWJ5OiBOb3dhaywgTHVrYXN6IDxMdWthc3ouTm93YWtA RGVsbC5jb20+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBTYWdpIEdyaW1iZXJnIDxzYWdpQGdyaW1iZXJn Lm1lPgo+Pj4gLS0tCj4+PiAtIEtlaXRoLCBjYW4geW91IGFzayB0aGUgV0QgdGVhbSB0byB0ZXN0 IHRoaXMgYXMgd2VsbD8KPj4+Cj4+PiDCoCBkcml2ZXJzL252bWUvaG9zdC90Y3AuYyB8IDEzICsr KysrKysrKystLS0KPj4+IMKgIDEgZmlsZSBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCspLCAzIGRl bGV0aW9ucygtKQo+Pj4KPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL252bWUvaG9zdC90Y3AuYyBi L2RyaXZlcnMvbnZtZS9ob3N0L3RjcC5jCj4+PiBpbmRleCA2NDUwMjU2MjAxNTQuLjg3YjczZWI5 NDA0MSAxMDA2NDQKPj4+IC0tLSBhL2RyaXZlcnMvbnZtZS9ob3N0L3RjcC5jCj4+PiArKysgYi9k cml2ZXJzL252bWUvaG9zdC90Y3AuYwo+Pj4gQEAgLTYwNyw3ICs2MDcsNyBAQCBzdGF0aWMgaW50 IG52bWVfdGNwX3NldHVwX2gyY19kYXRhX3BkdShzdHJ1Y3QgCj4+PiBudm1lX3RjcF9yZXF1ZXN0 ICpyZXEsCj4+PiDCoMKgwqDCoMKgwqDCoMKgwqAgY3B1X3RvX2xlMzIoZGF0YS0+aGRyLmhsZW4g KyBoZGdzdCArIHJlcS0+cGR1X2xlbiArIGRkZ3N0KTsKPj4+IMKgwqDCoMKgwqAgZGF0YS0+dHRh ZyA9IHBkdS0+dHRhZzsKPj4+IMKgwqDCoMKgwqAgZGF0YS0+Y29tbWFuZF9pZCA9IG52bWVfY2lk KHJxKTsKPj4+IC3CoMKgwqAgZGF0YS0+ZGF0YV9vZmZzZXQgPSBjcHVfdG9fbGUzMihyZXEtPmRh dGFfc2VudCk7Cj4+PiArwqDCoMKgIGRhdGEtPmRhdGFfb2Zmc2V0ID0gcGR1LT5yMnRfb2Zmc2V0 Owo+Pgo+PiBTaG91bGRuJ3QgdGhpcyBiZSAibGUzMl90b19jcHUocGR1LT5yMnRfb2Zmc2V0KSI/ Cj4gCj4gTm8sIGRhdGEgaXMgYSB3aXJlIHBheWxvYWQsIHNvIGl0IGlzIGxlMzIKCktlaXRoLCBp Zi93aGVuIHlvdSBhcmUgT0sgd2l0aCB0aGlzLCBpdCBzaG91bGQgZ28gNS4xNQphbmQgc3RhYmxl LgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgt bnZtZSBtYWlsaW5nIGxpc3QKTGludXgtbnZtZUBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9s aXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbnZtZQo=