From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53139C5B57D for ; Fri, 5 Jul 2019 05:09:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2FBA1218A4 for ; Fri, 5 Jul 2019 05:09:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725894AbfGEFJb (ORCPT ); Fri, 5 Jul 2019 01:09:31 -0400 Received: from mga03.intel.com ([134.134.136.65]:5457 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725763AbfGEFJb (ORCPT ); Fri, 5 Jul 2019 01:09:31 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Jul 2019 22:09:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,453,1557212400"; d="scan'208";a="172566750" Received: from orsmsx106.amr.corp.intel.com ([10.22.225.133]) by FMSMGA003.fm.intel.com with ESMTP; 04 Jul 2019 22:09:30 -0700 Received: from orsmsx157.amr.corp.intel.com (10.22.240.23) by ORSMSX106.amr.corp.intel.com (10.22.225.133) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 4 Jul 2019 22:09:30 -0700 Received: from orsmsx112.amr.corp.intel.com ([169.254.3.118]) by ORSMSX157.amr.corp.intel.com ([169.254.9.94]) with mapi id 14.03.0439.000; Thu, 4 Jul 2019 22:09:30 -0700 From: "Edgecombe, Rick P" To: "mingo@kernel.org" , "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "mroos@linux.ee" , "linux-ia64@lists.kernel.org" CC: "namit@vmware.com" , "Hansen, Dave" Subject: Re: [bisected] "mm/vmalloc: Add flag for freeing of special permsissions" corrupts memory on ia64 Thread-Topic: [bisected] "mm/vmalloc: Add flag for freeing of special permsissions" corrupts memory on ia64 Thread-Index: AQHVMk6Qsqw8+54B1k+gLs9OsfAihaa78F8A Date: Fri, 5 Jul 2019 05:09:29 +0000 Message-ID: <096ddb2cfbe83309396c48e75648889cae68e672.camel@intel.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.30.1 (3.30.1-1.fc29) x-originating-ip: [10.254.100.26] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVGh1LCAyMDE5LTA3LTA0IGF0IDEyOjUzICswMzAwLCBNZWVsaXMgUm9vcyB3cm90ZToNCj4g SSBub3RpY2VkIHRoYXQgd2hpbGUgNS4xIHdvcmtzIG9uIG15IEhQIEludGVncml0eSBSWDI2MjAs IDUuMi1yYzYNCj4gY3Jhc2hlZCBvbiBib290IG5vbmRldGVybWluaXN0aWNhbGx5Lg0KPiBCaXNl Y3RpbmcgaXQgdG9vayBtYW55IHRyaWVzIHNpY2UgaXQgZG9lcyBub3QgaGFwcGVuIG9uIGVhY2gg Ym9vdCBhbmQNCj4gd2hlbiBpdCBoYXBwZXMsIHRoZSBzeW1wdG9tcyBhcmUNCj4gZGlmZmVyZW50 IGVhY2ggdGltZS4gQnV0IG5vdyB0aGUgYmlzZWN0aW9uIGNvbnZlcmdlZCB0bw0KDQpUaGFua3Mg Zm9yIHRoZSByZXBvcnQuDQoNClRoaXMgYXJjaCBzZWVtcyBzaW1pbGFyIHRvIHNwYXJjIGluIHRo YXQgdGhlcmUgYXJlIG5vIHNldF9tZW1vcnlfKCkNCmltcGxlbWVudGF0aW9ucywgZXhjZXB0IHRo YXQgaXQncyBldmVuIHNpbXBsZXIgYmVjYXVzZQ0KZmx1c2hfdGxiX2tlcm5lbF9yYW5nZSgpIGp1 c3QgY2FsbHMgZmx1c2hfdGxiX2FsbCgpIHNvIHRoZSByYW5nZQ0Kc2hvdWxkbid0IG1hdHRlciBl aXRoZXIuIFNvIHRoaXMgY29tbWl0ICpzaG91bGQqIGhhdmUganVzdCBiZWVuIGFkZGluZw0KYSBU TEIgZmx1c2gsIHdpdGggbW9zdCBvZiBpdCBub3QgYWZmZWN0aW5nIGlhNjQuDQoNCkZyb20gdGhl c2UgbG9ncywgZXNwZWNpYWxseSB0aGUgZmF1bHQgc3RhY2sgdHJhY2VzIGFuZCBCVUcoKSdzLCBp dA0Kc2VlbXMgbGlrZSB0aGUgdm1hbGxvYyBtZW1vcnkgbWlnaHQgYmUgdGhlIGFsbG9jYXRpb25z IGJlaW5nIGNvcnJ1cHRlZC4NCkFmdGVyIHNjcnV0aW5pemluZyB0aGlzIHNvIG11Y2ggZm9yIHNw YXJjLCBvbmx5IHRvIGhhdmUgdGhlIGNhdXNlIGJlDQpzcGFyYydzIFRMQiBmbHVzaCBpbiB0aGUg ZW5kLCBJIHdvbmRlciBpZiBzb21ldGhpbmcgc2ltaWxhciBjb3VsZCBiZQ0KaGFwcGVuaW5nIGhl cmUuIElmIHRoZSBUTEIgd2Fzbid0IGdldHRpbmcgZmx1c2hlZCBvbiBhbGwgY29yZXMgb3IgaW4N CnRoZSB2bWFsbG9jIHJhbmdlIG9yIHNvbWV0aGluZyBsaWtlIHRoYXQsIHRoZSBtb2R1bGUgbG9h ZGVyIG1heSBiZQ0KcmVhZGluZyBhbmQgd3JpdGluZyB0byBvbGQgZW50cmllcyBwb2ludGluZyB0 byByZS1jeWNsZWQgcGFnZXMgYW5kDQpjYXVzZSBzdHJhbmdlIGJlaGF2aW9yIGxpa2UgdGhpcy4N Cg0KSSBhbSBvdXQgb2YgdGhlIG9mZmljZSBhbmQgZG9uJ3QgaGF2ZSBhY2Nlc3MgdG8gdGhpcyBo YXJkd2FyZSBlaXRoZXIuIEkNCndpbGwgdHJ5IHRvIGZpbmQgc29tZW9uZSBhdCBJbnRlbCB0aGF0 IGRvZXMgdG8gc3BlZWQgdGhpcyB1cC4gSW4gdGhlDQptZWFudGltZSBJIGNhbiBzZW5kIHlvdSBh IGxvZ2dpbmcgcGF0Y2ggdG8gZG8gc29tZSBzYW5pdHkgY2hlY2tzIGlmIHlvdQ0KYXJlIGFibGUg dG8gcnVuIGl0Lg0KDQpJIHRoaW5rIEkgZm91bmQgeW91ciBlYXJsaWVyIG1haWwsIGFuZCBpdCBz YWlkIDUuMi1yYzEgZGlkIG5vdCBzaG93IHRoZQ0KcHJvYmxlbS4gSSBndWVzcyB0aGlzIHdhc24n dCB0aGUgY2FzZSBhZnRlciBmdXJ0aGVyIHRlc3RpbmcsIGJ1dCA1LjENCmNvbnRpbnVlZCB0byBi ZSBwcm9ibGVtIGZyZWU/DQoNClRoYW5rcywNCg0KUmljaw0K