From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lange Norbert Subject: RE: kernel bug if rtnet device is accesses during unbind Date: Wed, 4 Aug 2021 07:42:39 +0000 Message-ID: References: <45907328-1596-7963-c0b7-5122d92d7881@siemens.com> In-Reply-To: <45907328-1596-7963-c0b7-5122d92d7881@siemens.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka , "Xenomai (xenomai@xenomai.org)" DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogSmFuIEtpc3prYSA8amFu Lmtpc3prYUBzaWVtZW5zLmNvbT4NCj4gU2VudDogRGllbnN0YWcsIDMuIEF1Z3VzdCAyMDIxIDE4 OjA0DQo+IFRvOiBMYW5nZSBOb3JiZXJ0IDxub3JiZXJ0LmxhbmdlQGFuZHJpdHouY29tPjsgWGVu b21haQ0KPiAoeGVub21haUB4ZW5vbWFpLm9yZykgPHhlbm9tYWlAeGVub21haS5vcmc+DQo+IFN1 YmplY3Q6IFJlOiBrZXJuZWwgYnVnIGlmIHJ0bmV0IGRldmljZSBpcyBhY2Nlc3NlcyBkdXJpbmcg dW5iaW5kDQo+DQo+DQo+DQo+IENBVVRJT046IEV4dGVybmFsIGVtYWlsLiBEbyBub3QgY2xpY2sg b24gbGlua3Mgb3Igb3BlbiBhdHRhY2htZW50cyB1bmxlc3MgeW91DQo+IGtub3cgdGhlIHNlbmRl ciBhbmQgdGhhdCB0aGUgY29udGVudCBpcyBzYWZlLg0KPg0KPiBPbiAwMy4wOC4yMSAxMzoxOCwg TGFuZ2UgTm9yYmVydCB2aWEgWGVub21haSB3cm90ZToNCj4gPiBIZWxsbywNCj4gPg0KPiA+IFRo ZXJlIGlzIHNvbWUgYmlnZ2VyIGtlcm5lbCBvb3BzIHdoZW4gYW4gcnRuZXQgZGV2aWNlIGlzIHVu Ym91bmQgZnJvbQ0KPiA+IGxpbnV4IGJ1dCBzdGlsbCBhY2Nlc3NpYmxlIHZpYSBpb2N0bC4NCj4g PiBFZmZlY3QgYW5kIGJhY2t0cmFjZSBkZXBlbmRzIG9uIHRpbWluZywgdXN1YWxseSB0aGUgcnRf aWdiIG1vZHVsZSB3aWxsDQo+ID4gbm90IGRlY3JlYXNlIGl0cyByZWZlcmVuY2UgY291bnQsIGFu ZCBhIGZvbGxvd2luZyBzb2Z0IHJlYm9vdCBtaWdodCBoYW5nLg0KPiA+DQo+ID4gVG8gcmVwb2R1 Y2UsIGZvciBleGFtcGxlIHdpdGggcnRfaWdiIChkb3VidCBpdHMgZHJpdmVyIHNwZWNpZmljKToN Cj4gPg0KPiA+IGVjaG8gIjAwMDA6MDE6MDAuMCIgPiAvc3lzL2J1cy9wY2kvZHJpdmVycy9ydF9p Z2IvYmluZCAjIHJ0aWZjb25maWcNCj4gPiBoYXMgdG8gcnVuIGluIGJhY2tncm91bmQgZWNobyAi MDAwMDowMTowMC4wIiA+DQo+ID4gL3N5cy9idXMvcGNpL2RyaXZlcnMvcnRfaWdiL3VuYmluZCAm IHJ0aWZjb25maWcgcnRldGgwIHVwDQo+ID4NCj4NCj4gU28sIHJ1bm5pbmcgb25lIGFmdGVyIHRo ZSBvdGhlciAocnRpZmNvbmZpZyB1cCBmaXJzdCkgd2lsbCBub3QgdHJpZ2dlciB0aGlzPyBUaGVu IGl0DQo+IHdvdWxkIHNvdW5kcyBsaWtlIGEgcmFjZSBiZXR3ZWVuIHJ0bmV0IG9yIHRoZSBkcml2 ZXIgcHJldmVudGluZyB0aGUgdW5iaW5kDQo+IGFuZCB0aGUgb25nb2luZyBpZnVwLg0KDQpUaGVy ZSBpcyBkZWZpbml0ZWx5IHNvbWUgbWlzc2luZyBzeW5jaHJvbml6YXRpb24sIGFuZCBhcmd1YWJs eSB0aGluZyBjb3VsZA0KQmUgaW1wcm92ZWQgaW4gdGVybXMgb2Ygc3VwcG9ydGluZyB1ZXZlbnRz Lg0KV2hhdCBoYXBwZW5zIGFzIGZhciBhcyBJIGNhbiB0ZWxsICh0aGUgdWRldiBleGFtcGxlIGlz IG1vcmUgZXhwbGljaXQpOg0KMSkgdW5iaW5kaW5nIHN0YXJ0cywgZGVhbGxvY2F0ZXMgKGF0bGVh c3QgcGFydCBvZikgdGhlIGluc3RhbmNlDQoyKSBhbiB1ZXZlbnQgInJlbW92ZSBydGV0aDAiIGlz IGNhdGNoZWQgYnkgdWRldiwgaGFuZGxlZCBieSBydW5uaW5nICdydGlmY29uZmlnIHJ0ZXRoMCB1 cCcgKHRoaXMgd2FzIG9yaWdpbmFsbHkgYnkgYWNjaWRlbnQpDQozKSBydGlmY29uZmlnIHN0aWxs IGZpbmRzIHRoZSBydGV0aDAgZGV2aWNlLCBidXQgdGhlbiBhY2Nlc3NlcyBpbnZhbGlkIG1lbW9y eQ0KDQpJZS4gcnRpZmNvbmZpZyB3YXMgY2FsbGVkICphZnRlciogbGludXggZGlkIGJyb2FkY2Fz dCB0aGUgcmVtb3ZhbCBvZiBydGV0aDANCg0KVGhpcyBkb2Vzbid0IGhhcHBlbiBpZiBjb21tYW5k cyBhcmUgc2VudCBzZXJpYWxseSBvbiB0aGUgdGVybWluYWwgb3IgdmlhIHNjcmlwdCwNCkkgZ3Vl c3MgdGhlIHdyaXRlIGlzIGJsb2NraW5nIHVudGlsIHRoZSBpbnN0YW5jZSBpcyBjb21wbGV0ZWx5 IHJlbW92ZWQuDQoNCkZZSSwgZXZlcnl0aGluZyBpcyBydW5uaW5nIG9uIGNvcmUgMCB2aWEgYWZm aW5pdHkgbWFzaywgYW5kIGl0cyBkZWFkIGVhc3kgdG8gcmVwcm9kdWNlLg0KDQpOb3JiZXJ0DQpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0KDQpUaGlzIG1lc3NhZ2UgYW5kIGFueSBh dHRhY2htZW50cyBhcmUgc29sZWx5IGZvciB0aGUgdXNlIG9mIHRoZSBpbnRlbmRlZCByZWNpcGll bnRzLiBUaGV5IG1heSBjb250YWluIHByaXZpbGVnZWQgYW5kL29yIGNvbmZpZGVudGlhbCBpbmZv cm1hdGlvbiBvciBvdGhlciBpbmZvcm1hdGlvbiBwcm90ZWN0ZWQgZnJvbSBkaXNjbG9zdXJlLiBJ ZiB5b3UgYXJlIG5vdCBhbiBpbnRlbmRlZCByZWNpcGllbnQsIHlvdSBhcmUgaGVyZWJ5IG5vdGlm aWVkIHRoYXQgeW91IHJlY2VpdmVkIHRoaXMgZW1haWwgaW4gZXJyb3IgYW5kIHRoYXQgYW55IHJl dmlldywgZGlzc2VtaW5hdGlvbiwgZGlzdHJpYnV0aW9uIG9yIGNvcHlpbmcgb2YgdGhpcyBlbWFp bCBhbmQgYW55IGF0dGFjaG1lbnQgaXMgc3RyaWN0bHkgcHJvaGliaXRlZC4gSWYgeW91IGhhdmUg cmVjZWl2ZWQgdGhpcyBlbWFpbCBpbiBlcnJvciwgcGxlYXNlIGNvbnRhY3QgdGhlIHNlbmRlciBh bmQgZGVsZXRlIHRoZSBtZXNzYWdlIGFuZCBhbnkgYXR0YWNobWVudCBmcm9tIHlvdXIgc3lzdGVt Lg0KDQpBTkRSSVRaIEhZRFJPIEdtYkgNCg0KDQpSZWNodHNmb3JtLyBMZWdhbCBmb3JtOiBHZXNl bGxzY2hhZnQgbWl0IGJlc2NocsOkbmt0ZXIgSGFmdHVuZyAvIENvcnBvcmF0aW9uDQoNCkZpcm1l bnNpdHovIFJlZ2lzdGVyZWQgc2VhdDogV2llbg0KDQpGaXJtZW5idWNoZ2VyaWNodC8gQ291cnQg b2YgcmVnaXN0cnk6IEhhbmRlbHNnZXJpY2h0IFdpZW4NCg0KRmlybWVuYnVjaG51bW1lci8gQ29t cGFueSByZWdpc3RyYXRpb246IEZOIDYxODMzIGcNCg0KRFZSOiAwNjA1MDc3DQoNClVJRC1Oci46 IEFUVTE0NzU2ODA2DQoNCg0KVGhhbmsgWW91DQpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXw0K