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Thu, 8 Feb 2024 11:05:35 +1300 From: Thomas Winter To: "jansaley@gmail.com" , "netdev@vger.kernel.org" CC: "pabeni@redhat.com" , "dsahern@kernel.org" , "a@unstable.cc" , "davem@davemloft.net" , "edumazet@google.com" , "kuba@kernel.org" Subject: Re: [BUG] gre interface incorrectly generates link-local addresses Thread-Topic: [BUG] gre interface incorrectly generates link-local addresses Thread-Index: AQHaVCrRZ+x1H873S0iWHD4uCDBUpbD+oQUA Date: Wed, 7 Feb 2024 22:05:35 +0000 Message-ID: <4af69c165836c2e22217341c4a64228bcd43a877.camel@alliedtelesis.co.nz> References: In-Reply-To: Accept-Language: en-GB, en-NZ, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: text/plain; charset="utf-8" Content-ID: <8980564157A9E341B99EB452D29E4F1F@atlnz.lc> Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SEG-SpamProfiler-Analysis: v=2.3 cv=LZFCFQXi c=1 sm=1 tr=0 a=Xf/6aR1Nyvzi7BryhOrcLQ==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=k7vzHIieQBIA:10 a=CP-8VDb144vVogvyZAUA:9 a=QEXdDO2ut3YA:10 X-SEG-SpamProfiler-Score: 0 SGVsbG8sDQoNCk9uIEZyaSwgMjAyNC0wMi0wMiBhdCAxMzowMSArMDAwMCwg0JDQvdGC0LDRgNC4 0L4g0J/RgNC+0YHQv9C10YDQviB3cm90ZToNCj4gSGVsbA0KPiBJIHdhbnQgdG8gYnJpbmcgdXAg dGhpcyB0b3BpYyBhZ2Fpbg0KPiBJcyBpdCBwb3NzaWJsZSB0byB1c2UgdGhlIGFkZHJfZ2VuX21v ZGUgcGFyYW1ldGVyIGZvciBHUkUgaW4gdGhlDQo+IGN1cnJlbnQgdmVyc2lvbiBvZiBhZGRyY29u Zj8NCg0KU2hvcnQgYW5zd2VyLCBuby4NCg0KPiBUaGVyZSB3YXMgYW4gZWRpdCBpbiB0aGUgZTVk ZDcyOTQ2MGNhIGNvbW1pdCB0aGF0IGRldi0+aW50ZXJmYWNlIHR5cGUNCj4gc2hvdWxkIGJlIGVx dWFsIHRvIEFSUEhSRF9FVEhFUiwgdGhlbiBhZGRyY29uZl9hZGRyX2dlbiB3aWxsIGJlDQo+IGNh bGxlZC4NCj4gQnV0IGRvZXNuJ3QgdGhpcyBjb250cmFkaWN0IHRoZSBmYWN0IHRoYXQgYmVmb3Jl IGNhbGxpbmcgdGhlDQo+IGFkZHJjb25mX2dyZV9jb25maWcgZnVuY3Rpb24sIHRoZXJlIGlzIGEg Y2hlY2sgdGhhdCBkZXYtPnR5cGUgc2hvdWxkDQo+IGJlIGVxdWFsIHRvIEFSUEhSRF9JUEdSRSBv ciBBUlBIUkRfSVA2R1JFPw0KDQpDb21taXQgZTVkZDcyOTQ2MGNhIGJyb2tlIHRoZSBhZGRyY29u Zl9hZGRyX2dlbiBzeXNjdGwgdmFsdWUgZ2VuZXJhdGluZw0KYSBsaW5rIGxvY2FsIGFkZHJlc3Mg Zm9yIEdSRSB0dW5uZWxzIHdoaWNoIG91ciB1c2Vyc3BhY2Ugd2FzIHJlbHlpbmcNCm9uLiBNeSBj b21taXRzIDMwZTIyOTFmNjFmOSBhbmQgMjNjYTBjMmM5MzQwIGF0dGVtcHRlZCB0byByZXNvbHZl IHRoaXMNCmJ5IG1ha2luZyBhZGRyY29uZl9ncmVfY29uZmlnIGdldCBjYWxsZWQNCmJ5IGFkZHJj b25mX3N5c2N0bF9hZGRyX2dlbl9tb2RlIHdpdGggdGhlIG5ldw0KZnVuY3Rpb24gYWRkcmNvbmZf aW5pdF9hdXRvX2FkZHJzIHdoaWNoIHdpbGwgY2FsbCBhZGRyY29uZl9ncmVfY29uZmlnLg0KDQpJ IHRyaWVkIHRvIGtlZXAgdGhlIG5ldyBmdW5jdGlvbmFsaXR5IGZyb20gZTVkZDcyOTQ2MGNhIGlu dGFjdCBzbw0KYWRkcmNvbmZfYWRkcl9nZW4gaXMgc3RpbGwgY2FsbGVkIG9ubHkgd2hlbiBkZXYt PnR5cGUgPT0gQVJQSFJEX0VUSEVSDQp3aGljaCBtZWFucyB0aGF0IHRoZSB0eXBlIG9mIGFkZHJl c3MgZ2VuZXJhdGlvbg0KKGVnIElONl9BRERSX0dFTl9NT0RFX1JBTkRPTSBvciBJTjZfQUREUl9H RU5fTU9ERV9FVUk2NCkgaXMgbm90IG5vdA0KY29uc2lkZXJlZCB3aGVuIHRoZSB0eXBlIGlzIEFS UEhSRF9JUEdSRSBvciBBUlBIUkRfSVA2R1JFIGluc3RlYWQgdGhlDQphZGRyZXNzIHdpbGwgYmUg Z2VuZXJhdGVkIGJhc2VkIG9uIGFub3RoZXIgaW50ZXJmYWNlIHdpdGggYWRkX3Y0X2FkZHJzLg0K