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[209.132.180.67]) by mx.google.com with ESMTP id v21si1497196oie.178.2020.02.11.03.50.36; Tue, 11 Feb 2020 03:50:47 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728537AbgBKLQp (ORCPT + 99 others); Tue, 11 Feb 2020 06:16:45 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([146.101.78.151]:27199 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727950AbgBKLQp (ORCPT ); Tue, 11 Feb 2020 06:16:45 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-23-PgiBXMjfOvS6uoYNOFN1Uw-1; Tue, 11 Feb 2020 11:16:41 +0000 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; Tue, 11 Feb 2020 11:16:40 +0000 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; Tue, 11 Feb 2020 11:16:40 +0000 From: David Laight To: 'Pavel Begunkov' , Jens Axboe , "io-uring@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] io_uring: fix iovec leaks Thread-Topic: [PATCH] io_uring: fix iovec leaks Thread-Index: AQHV3emh7zgsynhUKk2BR9GeKazohKgVyZ8AgAAQxACAAAIkUA== Date: Tue, 11 Feb 2020 11:16:40 +0000 Message-ID: <0d61cafdb0b040ac8bb3542b6022d0fc@AcuMS.aculab.com> References: <03aa734fcea29805635689cc2f1aa648f23b5cd3.1581102250.git.asml.silence@gmail.com> <1255e56851a54c8c805695f1160bec9f@AcuMS.aculab.com> <045f6c04-a6d8-146c-75f3-2c0d65e482d6@gmail.com> In-Reply-To: <045f6c04-a6d8-146c-75f3-2c0d65e482d6@gmail.com> 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-MC-Unique: PgiBXMjfOvS6uoYNOFN1Uw-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogUGF2ZWwgQmVndW5rb3YNCj4gU2VudDogMTEgRmVicnVhcnkgMjAyMCAxMTowNQ0KPiBP biAyLzExLzIwMjAgMTowNyBQTSwgRGF2aWQgTGFpZ2h0IHdyb3RlOg0KPiA+IEZyb206IFBhdmVs IEJlZ3Vua292DQo+ID4+IFNlbnQ6IDA3IEZlYnJ1YXJ5IDIwMjAgMTk6MDUNCj4gPj4gQWxsb2Nh dGVkIGlvdmVjIGlzIGZyZWVkIG9ubHkgaW4gaW9fe3JlYWQsd3JpdGUsc2VuZCxyZWN2KSgpLCBh bmQganVzdA0KPiA+PiBsZWF2ZXMgaXQgaWYgYW4gZXJyb3Igb2NjdXJlZC4gVGhlcmUgYXJlIHBs ZW50eSBvZiBzdWNoIGNhc2VzOg0KPiA+PiAtIGNhbmNlbGxhdGlvbiBvZiBub24taGVhZCByZXF1 ZXN0cw0KPiA+PiAtIGZhaWwgZ3JhYmJpbmcgZmlsZXMgaW4gX19pb19xdWV1ZV9zcWUoKQ0KPiA+ PiAtIHNldCBSRVFfRl9OT1dBSVQgYW5kIHJldHVybmluZyBpbiBfX2lvX3F1ZXVlX3NxZSgpDQo+ ID4+IC0gZXRjLg0KPiA+Pg0KPiA+PiBBZGQgUkVRX0ZfTkVFRF9DTEVBTlVQLCB3aGljaCB3aWxs IGZvcmNlIHN1Y2ggcmVxdWVzdHMgd2l0aCBjdXN0b20NCj4gPj4gYWxsb2NhdGVkIHJlc291cnNl cyBnbyB0aHJvdWdoIGNsZWFudXAgaGFuZGxlcnMgb24gcHV0Lg0KPiA+DQo+ID4gVGhpcyBsb29r cyBob3JyaWJseSBmcmFnaWxlLg0KPiANCj4gV2VsbCwgbm90IGFzIGhvcnJpYmxlIGFzIGl0IG1h eSBhcHBlYXIgLS0gc2V0IHRoZSBmbGFnLCB3aGVuZXZlciB5b3UNCj4gd2FudCB0aGUgY29ycmVz cG9uZGluZyBkZXN0cnVjdG9yIHRvIGJlIGNhbGxlZCwgYW5kIGNsZWFyIGl0IHdoZW4gaXMgbm90 DQo+IG5lZWRlZCBhbnltb3JlLg0KPiANCj4gSSdkIGxvdmUgdG8gaGF2ZSBzb21ldGhpbmcgYmV0 dGVyLCBtYXliZSBldmVuIHNvbWV0aGluZyBtb3JlIGludHJ1c2l2ZQ0KPiBmb3ItbmV4dCwgYnV0 IHRoYXQgc2hvdWxkbid0IGh1cnQgdGhlIGhvdCBwYXRoLiBBbnkgaWRlYXM/DQoNCkdpdmVuIGFs bCB0aGUgJ2N1ZCBjaGV3aW5nJyB0aGF0IGhhcHBlbnMgaW4gY29kZSBwYXRocw0KbGlrZSB0aGUg b25lIHRoYXQgcmVhZCBpb3YgZnJvbSB1c2Vyc3BhY2UganVzdCBhZGRpbmc6DQoNCglpZiAodW5s aWtlbHkoZm9vLT5wdHIpKQ0KCQlrZnJlZShmb28tPnB0cik7DQoNCmJlZm9yZSAnZm9vJyBnb2Vz IG91dCBvZiBzY29wZSAob3IgaXMgcmV1c2VkKSBpcyBwcm9iYWJseQ0Kbm90IG1lYXN1cmFibGUu DQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9h ZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBO bzogMTM5NzM4NiAoV2FsZXMpDQo=