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Donenfeld" , "rdunlap@infradead.org" , "decui@microsoft.com" , Jakub Sitnicki , "jeremy@azazel.net" , "mashirle@us.ibm.com" , linux-kernel Subject: Re: [PATCH 1/5] net: Fix potential deadloop in skb_copy_ubufs() Thread-Topic: [PATCH 1/5] net: Fix potential deadloop in skb_copy_ubufs() Thread-Index: AdZsk0FUblfXiml3Sou5xssb6jkOcA== Date: Fri, 7 Aug 2020 09:48:16 +0000 Message-ID: <5ee80f4677884c0dace60bb63646a987@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.177.143] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org V2lsbGVtIGRlIEJydWlqbiA8d2lsbGVtZGVicnVpam4ua2VybmVsQGdtYWlsLmNvbT4gd3JvdGU6 DQo+T24gVGh1LCBBdWcgNiwgMjAyMCBhdCAxOjQ4IFBNIGxpbm1pYW9oZSA8bGlubWlhb2hlQGh1 YXdlaS5jb20+IHdyb3RlOg0KPj4NCj4+IEZyb206IE1pYW9oZSBMaW4gPGxpbm1pYW9oZUBodWF3 ZWkuY29tPg0KPj4NCj4+IFdlIGNvdWxkIGJlIHRyYXBwZWQgaW4gZGVhZGxvb3Agd2hlbiB3ZSB0 cnkgdG8gY29weSB1c2Vyc3BhY2Ugc2tiIA0KPj4gZnJhZ3MgYnVmZmVycyB0byBrZXJuZWwgd2l0 aCBhIGNsb25lZCBza2I6DQo+DQo+PiBDYXRjaCB0aGlzIHVuZXhwZWN0ZWQgY2FzZSBhbmQgcmV0 dXJuIC1FSU5WQUwgaW4gc2tiX29ycGhhbl9mcmFncygpIA0KPj4gYmVmb3JlIHdlIGNhbGwgc2ti X2NvcHlfdWJ1ZnMoKSB0byBmaXggaXQuDQo+DQo+SXMgdGhpcyBhIGh5cG90aGV0aWNhbCBjb2Rl cGF0aD8NCj4NCj5za2IgemVyb2NvcHkgY2FyZWZ1bGx5IHRyYWNrcyBjbG9uZSBjYWxscyB3aGVy ZSBuZWNlc3NhcnkuIFNlZSB0aGUgY2FsbCB0byBza2Jfb3JwaGFuX2ZyYWdzIGluIHNrYl9jbG9u ZSwgYW5kIHRoZSBpbXBsZW1lbnRhdGlvbiBvZiB0aGF0IGNhbGxlZS4NCj4NCj5UaGUgb25seSBj YWxsZXIgb2Ygc2tiIHplcm9jb3B5IHdpdGggbm91YXJnIGlzIHRwYWNrZXRfZmlsbF9za2IsIGFz IG9mIGNvbW1pdCA1Y2Q4ZDQ2ZWExNTYgKCJwYWNrZXQ6IGNvcHkgdXNlciBidWZmZXJzIGJlZm9y ZSBvcnBoYW4gb3IgY2xvbmUiKS4NCj4NCj5BcyB0aGUgY29tbWl0IHN1YmplY3QgaW5kaWNhdGVz LCB0aGlzIHNldHMgc2tiX3pjb3B5X3NldF9ub3VhcmcgZXhhY3RseSB0byBiZSBzdXJlIHRoYXQg YW55IGNsb25lIHdpbGwgdHJpZ2dlciBhIGNvcHkgb2YgInplcm9jb3B5Ig0KPnVzZXIgZGF0YSB0 byBwcml2YXRlIGtlcm5lbCBtZW1vcnkuDQo+DQo+Tm8gY2xvbmUgbXVzdCBoYXBwZW4gYmV0d2Vl biBhbGxvY19za2IgYW5kIHNrYl96Y29weV9zZXRfbm91YXJnLCBpbmRlZWQuIEJ1dCBBRkFJSywg bm9uZSBleGlzdHMuDQoNCk1hbnkgdGhhbmtzIGZvciB5b3VyIHJlcGx5IGFuZCBleHBsYWluYXRp b24uIEFzIHlvdSBzYXksIHRoaXMgaXMgYSBoeXBvdGhldGljYWwgY29kZXBhdGguIFRoaXMgd291 bGQgbm90IGJlIHRyaWdnZXJkIG5vcm1hbGx5Lg0KSSBjYXRjaCB0aGlzIHN1c3BpY2lvdXMgcGF0 Y2gganVzdCBpbiBjYXNlLg0KDQo=