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Tsirkin" To: Dragos Tatulea Subject: Re: [PATCH v1] vdpa: Complement vdpa_nl_policy for nlattr length check Message-ID: <20230724050005-mutt-send-email-mst@kernel.org> References: <20230723080507.3716924-1-linma@zju.edu.cn> <20230723050656-mutt-send-email-mst@kernel.org> <729f5c17.e4079.18982192866.Coremail.linma@zju.edu.cn> <8ecec51.e40ad.1898226c545.Coremail.linma@zju.edu.cn> <20230723055820-mutt-send-email-mst@kernel.org> <56aa7d5c6d5840aedef83d3dc39f0bb3162bbb58.camel@nvidia.com> MIME-Version: 1.0 In-Reply-To: <56aa7d5c6d5840aedef83d3dc39f0bb3162bbb58.camel@nvidia.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: "xuanzhuo@linux.alibaba.com" , "linux-kernel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , Eli Cohen , "linma@zju.edu.cn" X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gTW9uLCBKdWwgMjQsIDIwMjMgYXQgMDg6Mzg6MDRBTSArMDAwMCwgRHJhZ29zIFRhdHVsZWEg d3JvdGU6Cj4gCj4gT24gTW9uLCAyMDIzLTA3LTI0IGF0IDE1OjExICswODAwLCBKYXNvbiBXYW5n IHdyb3RlOgo+ID4gT24gU3VuLCBKdWwgMjMsIDIwMjMgYXQgNjowMuKAr1BNIE1pY2hhZWwgUy4g VHNpcmtpbiA8bXN0QHJlZGhhdC5jb20+IHdyb3RlOgo+ID4gPiAKPiA+ID4gT24gU3VuLCBKdWwg MjMsIDIwMjMgYXQgMDU6NDg6NDZQTSArMDgwMCwgTGluIE1hIHdyb3RlOgo+ID4gPiA+IAo+ID4g PiA+ID4gU3VyZSwgdGhhdCBpcyBhbm90aGVyIHVuZGVyZ29pbmcgdGFzayBJJ20gd29ya2luZyBv bi4gSWYgdGhlIG5sYXR0ciBpcwo+ID4gPiA+ID4gcGFyc2VkIHdpdGgKPiA+ID4gPiA+IE5MX1ZB TElEQVRFX1VOU1BFQywgYW55IGZvcmdvdHRlbiBubGF0dHIgd2lsbCBiZSByZWplY3RlZCwgdGhl cmVmb3JlCj4gPiA+ID4gPiAod2hpY2ggaXMgdGhlIGRlZmF1bHQKPiA+ID4gPiA+IGZvciBtb2Rl cm4gbmxhX3BhcnNlKS4KPiA+ID4gPiAKPiA+ID4gPiBGb3IgdGhlIGdlbmVyYWwgbmV0bGluayBp bnRlcmZhY2UsIHRoZSBkZWNpZGluZyBmbGFnIHNob3VsZCBiZQo+ID4gPiA+IGdlbmxfb3BzLnZh bGlkYXRlIGRlZmluZWQgaW4KPiA+ID4gPiBlYWNoIG9wcy4gVGhlIGRlZmF1bHQgdmFsaWRhdGUg ZmxhZyBpcyBzdHJpY3QsIHdoaWxlIHRoZSBkZXZlbG9wZXIgY2FuCj4gPiA+ID4gb3ZlcndyaXRl IHRoZSBmbGFnCj4gPiA+ID4gd2l0aCBHRU5MX0RPTlRfVkFMSURBVEVfU1RSSUNUIHRvIGVhc2Ug dGhlIHZhbGlkYXRpb24uIFRoYXQgaXMgdG8gc2F5LAo+ID4gPiA+IHNhZmVyIGNvZGUgc2hvdWxk Cj4gPiA+ID4gZW5mb3JjZSBOTF9WQUxJREFURV9TVFJJQ1QgYnkgbm90IG92ZXJ3cml0aW5nIHRo ZSB2YWxpZGF0ZSBmbGFnLgo+ID4gPiA+IAo+ID4gPiA+IFJlZ3JhZHMKPiA+ID4gPiBMaW4KPiA+ ID4gCj4gPiA+IAo+ID4gPiBPaCBJIHNlZS4KPiA+ID4gCj4gPiA+IEl0IHN0YXJ0ZWQgaGVyZToK PiA+ID4gCj4gPiA+IGNvbW1pdCAzM2IzNDc1MDNmMDE0ZWJmNzYyNTczMjdjYmM3MDAxYzZiNzIx OTU2Cj4gPiA+IEF1dGhvcjogUGFyYXYgUGFuZGl0IDxwYXJhdkBudmlkaWEuY29tPgo+ID4gPiBE YXRlOsKgwqAgVHVlIEphbiA1IDEyOjMyOjAwIDIwMjEgKzAyMDAKPiA+ID4gCj4gPiA+IMKgwqDC oCB2ZHBhOiBEZWZpbmUgdmRwYSBtZ210IGRldmljZSwgb3BzIGFuZCBhIG5ldGxpbmsgaW50ZXJm YWNlCj4gPiA+IAo+ID4gPiB3aGljaCBkaWQ6Cj4gPiA+IAo+ID4gPiArwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoCAudmFsaWRhdGUgPSBHRU5MX0RPTlRfVkFMSURBVEVfU1RSSUNUIHwKPiA+ ID4gR0VOTF9ET05UX1ZBTElEQVRFX0RVTVAsCj4gPiA+IAo+ID4gPiAKPiA+ID4gd2hpY2ggd2Fz IG1vc3QgbGlrZWx5IGp1c3QgYSBjb3B5IHBhc3RlIGZyb20gc29tZXdoZXJlLCByaWdodCBQYXJh dj8KPiA+ID4gCj4gPiA+IGFuZCB0aGVuIGV2ZXJ5b25lIGtlcHQgY29weWluZyB0aGlzIGFyb3Vu ZC4KPiA+ID4gCj4gPiA+IFBhcmF2LCBFbGkgY2FuIHdlIGRyb3AgdGhlc2U/IFRoZXJlJ3MgYSB0 aW55IGNoYW5jZSBvZiBicmVha2luZyBzb21ldGhpbmcKPiA+ID4gYnV0IEkgZmVlbCB0aGVyZSBh cmVuJ3QgdGhhdCBtYW55IHVzZXJzIG91dHNpZGUgbWx4NSB5ZXQsIHNvIGlmIHlvdQo+ID4gPiBn dXlzIGNhbiB0ZXN0IG9uIG1seDUgYW5kIGNvbmZpcm0gbm8gYnJlYWthZ2UsIEkgdGhpbmsgd2Ug YXJlIGdvb2QuCj4gPiAKPiA+IEFkZGluZyBEcmFnb3MuCj4gPiAKPiBJIHdpbGwgY2hlY2suIEp1 c3QgdG8gbWFrZSBzdXJlIEkgdW5kZXJzdGFuZCBjb3JyZWN0bHk6IHlvdSB3YW50IG1lIHRvIGRy b3AgdGhlCj4gLnZhbGlkYXRlIGZsYWdzIGFsbCB0b2dldGhlciBpbiBhbGwgdmRwYSBvcHMgYW5k IGNoZWNrLCByaWdodD8KPiAKPiBUaGFua3MsCj4gRHJhZ29zCgp5ZXMgLSBJIHN1c3BlY3QgeW91 IHdpbGwgdGhlbiBuZWVkIHRoaXMgcGF0Y2ggdG8gbWFrZSB0aGluZ3Mgd29yay4KCi0tIApNU1QK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxp emF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9u Lm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92 aXJ0dWFsaXphdGlvbg==