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Thu, 14 May 2020 04:11:16 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-94-pPKAQ0JRPGmhyT1OD-2rfA-1; Thu, 14 May 2020 09:11:13 +0100 X-MC-Unique: pPKAQ0JRPGmhyT1OD-2rfA-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 14 May 2020 09:11:12 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 14 May 2020 09:11:12 +0100 From: David Laight To: 'Linus Torvalds' , Nick Desaulniers CC: Borislav Petkov , Arnd Bergmann , Arvind Sankar , Kalle Valo , linux-wireless , "linux-kernel@vger.kernel.org" , the arch/x86 maintainers , Kees Cook , Thomas Gleixner Subject: RE: gcc-10: kernel stack is corrupted and fails to boot Thread-Topic: gcc-10: kernel stack is corrupted and fails to boot Thread-Index: AQHWKZY6Y215XsBMzU2jywoKX8cjPqinObQQ Date: Thu, 14 May 2020 08:11:12 +0000 Message-ID: References: <20200509120707.188595-2-arnd@arndb.de> <87v9l24qz6.fsf@kamboji.qca.qualcomm.com> <87r1vq4qev.fsf@kamboji.qca.qualcomm.com> <87d078tjl0.fsf_-_@kamboji.qca.qualcomm.com> <20200513154847.GA158356@rani.riverdale.lan> <20200513214128.GB6733@zn.tnic> <20200513222038.GC6733@zn.tnic> <20200513233616.GD6733@zn.tnic> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org RnJvbTogTGludXMgVG9ydmFsZHMNCj4gU2VudDogMTQgTWF5IDIwMjAgMDM6MjANCj4gT24gV2Vk LCBNYXkgMTMsIDIwMjAgYXQgNTo1MSBQTSBOaWNrIERlc2F1bG5pZXJzDQo+IDxuZGVzYXVsbmll cnNAZ29vZ2xlLmNvbT4gd3JvdGU6DQo+ID4NCj4gPiBBcmUgeW91IHN1cmUgTFRPIHRyZWF0cyBl bXB0eSBhc20gc3RhdGVtZW50cyBkaWZmZXJlbnRseSB0aGFuIGZ1bGwNCj4gPiBtZW1vcnkgYmFy cmllcnMgaW4gcmVnYXJkcyB0byBwcmV2ZW50aW5nIHRhaWwgY2FsbHM/DQo+IA0KPiBJdCBoYWQg YmV0dGVyLg0KPiANCj4gQXQgbGluay10aW1lLCB0aGVyZSBpcyBub3RoaW5nIGxlZnQgb2YgYW4g ZW1wdHkgYXNtIHN0YXRlbWVudC4gU28gYnkNCj4gdGhlIHRpbWUgdGhlIGxpbmtlciBydW5zLCBp dCBvbmx5IHNlZXMNCj4gDQo+ICAgICBjYWxsIHh5eg0KPiAgICAgcmV0DQo+IA0KPiBpbiB0aGUg b2JqZWN0IGNvZGUuIEF0IHRoYXQgcG9pbnQsIGl0J3Mgc29tZXdoYXQgcmVhc29uYWJsZSBmb3Ig YW55DQo+IGxpbmstdGltZSBvcHRpbWl6ZXIgKG9yIGFuIG9wdGltaXppbmcgYXNzZW1ibGVyLCBm b3IgdGhhdCBtYXR0ZXIpIHRvDQo+IHNheSAiSSdsbCBqdXN0IHR1cm4gdGhhdCBzZXF1ZW5jZSBp bnRvIGEgc2ltcGxlICdqbXAgeHl6JyBpbnN0ZWFkIi4NCg0KRXhjZXB0IGlzIHNlZXM6DQoJY2Fs bCB4eXoNCgljYW5hcnlfY2hlY2tfY29kZQ0KCXJldA0KDQpUaGVyZSdzIGFsc28gYWxtb3N0IGNl cnRhaW5seSBzb21lIHN0YWNrIGZyYW1lIHRpZHl1cC4NCldoaWNoIGl0IHdvdWxkIGhhdmUgdG8g ZGV0ZWN0IGFuZCBjb252ZXJ0Lg0KQW5kLCBpbiBwcmluY2lwbGUsIHRoZSBmdW5jdGlvbiBpcyBh bGxvd2VkIHRvIGFjY2VzcyB0aGUNCnN0YWNrIHNwYWNlIHRoYW4gY29udGFpbnMgdGhlIGNhbmFy eS4NCg0KPiBOb3csIGRvbid0IGdldCBtZSB3cm9uZyAtIEknbSBub3QgY29udmluY2VkIGFueSBl eGlzdGluZyBMVE8gZG9lcw0KPiB0aGF0LiBCdXQgSSdkIGFsc28gbm90IGJlIHNob2NrZWQgYnkg c29tZXRoaW5nIGxpa2UgdGhhdC4NCj4gDQo+IEluIGNvbnRyYXN0LCBpZiBpdCdzIGEgcmVhbCBt YigpLCB0aGUgbGlua2VyIHdvbid0IHNlZSBqdXN0IGENCj4gJ2NhbGwrcmV0IiBzZXF1ZW5jZS4g SXQgd2lsbCBzZWUgc29tZXRoaW5nIGxpa2UNCj4gDQo+ICAgICBjYWxsIHh5eg0KPiAgICAgbWZl bmNlDQo+ICAgICByZXQNCj4gDQo+IChvaywgdGhlIG1mZW5jZSBtYXkgYWN0dWFsbHkgYmUgc29t ZXRoaW5nIGVsc2UsIGFuZCB3ZSdsbCBoYXZlIGEgbGFiZWwNCj4gb24gaXQgYW5kIGFuIGFsdGVy bmF0aXZlcyB0YWJsZSBwb2ludGluZyB0byBpdCwgYnV0IHRoZSBwb2ludCBpcywNCj4gdW5saWtl IGFuIGVtcHR5IGFzbSwgdGhlcmUncyBzb21ldGhpbmcgX3RoZXJlXykuDQoNCk5vdCBpZiB5b3Un dmUgYW4gYXJjaGl0ZWN0dXJlIHRoYXQgZG9lc24ndCBoYXZlIGFueSBtZW1vcnkgYmFycmllcnMu DQpJbiB0aGF0IGNhc2UgbWIoKSBtYXkgbm90IGV2ZW4gYmUgYXNtKCIiKS4NCihhbHRob3VnaCBp dCBtaWdodCBoYXZlIHRvIGJlIGFzbSAoIiI6OjptZW1vcnkpKS4NCg0KCURhdmlkDQoNCi0NClJl Z2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0 b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykN Cg==