From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH] xen: grant-table: Check truncation when giving access to a frame Date: Mon, 13 Jun 2016 13:42:09 +0100 Message-ID: <575EAA21.4030701__29986.3336528235$1465821805$gmane$org@arm.com> References: <1465815046-5390-1-git-send-email-julien.grall@arm.com> <575EAA00.10705@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <575EAA00.10705@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Paul Durrant , "boris.ostrovsky@oracle.com" , David Vrabel , "jgross@suse.com" , "sstabellini@kernel.org" , "konrad.wilk@oracle.com" Cc: Andrew Cooper , "steve.capper@arm.com" , "linux-kernel@vger.kernel.org" , "JBeulich@suse.com" , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org CgpPbiAxMy8wNi8xNiAxMzo0MSwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+IEhlbGxvIFBhdWwsCj4K PiBPbiAxMy8wNi8xNiAxMzoxMiwgUGF1bCBEdXJyYW50IHdyb3RlOgo+Pj4gLS0tLS1PcmlnaW5h bCBNZXNzYWdlLS0tLS0KPj4+IEZyb206IFhlbi1kZXZlbCBbbWFpbHRvOnhlbi1kZXZlbC1ib3Vu Y2VzQGxpc3RzLnhlbi5vcmddIE9uIEJlaGFsZiBPZgo+Pj4gSnVsaWVuIEdyYWxsCj4+PiBTZW50 OiAxMyBKdW5lIDIwMTYgMTE6NTEKPj4+IFRvOiBib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNvbTsg RGF2aWQgVnJhYmVsOyBqZ3Jvc3NAc3VzZS5jb207Cj4+PiBzc3RhYmVsbGluaUBrZXJuZWwub3Jn OyBrb25yYWQud2lsa0BvcmFjbGUuY29tCj4+PiBDYzogc3RldmUuY2FwcGVyQGFybS5jb207IEFu ZHJldyBDb29wZXI7IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7Cj4+PiB4ZW4tZGV2ZWxA bGlzdHMueGVuLm9yZzsgSnVsaWVuIEdyYWxsOyBKQmV1bGljaEBzdXNlLmNvbQo+Pj4gU3ViamVj dDogW1hlbi1kZXZlbF0gW1BBVENIXSB4ZW46IGdyYW50LXRhYmxlOiBDaGVjayB0cnVuY2F0aW9u IHdoZW4KPj4+IGdpdmluZwo+Pj4gYWNjZXNzIHRvIGEgZnJhbWUKPj4+Cj4+PiBUaGUgdmVyc2lv biAxIG9mIHRoZSBncmFudC10YWJsZSBwcm90b2NvbCBvbmx5IHN1cHBvcnRzIGZyYW1lIGVuY29k ZWQgb24KPj4+IDMyLWJpdC4KPj4+Cj4+PiBXaGVuIHRoZSBwbGF0Zm9ybSBpcyBzdXBwb3J0aW5n IDQ4LWJpdCBwaHlzaWNhbCBhZGRyZXNzLCB0aGUgZnJhbWUgd2lsbAo+Pj4gYmUgZW5jb2RlZCBv biAzNi1iaXQgd2hpY2ggd2lsbCBsZWFkIGEgdHJ1bmNhdGlvbiBhbmQgZ2l2ZSBhY2Nlc3MgdG8K Pj4+IHRoZSB3cm9uZyBmcmFtZS4KPj4+Cj4+PiBPbiBBUk0gWGVuIHdpbGwgYWx3YXlzIGFsbG93 IHRoZSBndWVzdCB0byB1c2UgYWxsIHRoZSBwaHlzaWNhbCBhZGRyZXNzLAo+Pj4gYWx0aG91Z2gg dG9kYXkgdGhlIFJBTSBpcyBhbHdheXMgbG9jYXRlZCB1bmRlciA0MC1iaXRzIChzZWUKPj4+IHhl bi9pbmNsdWRlL3B1YmxpYy9hcmNoLWFybS5oKS4KPj4+Cj4+PiBBZGQgYSB0cnVuY2F0aW9uIGNo ZWNrIGluIGdudHRhYl91cGRhdGVfZW50cnlfdjEgdG8gcHJldmVudCB0aGUgZ3Vlc3QgdG8KPj4+ IGdpdmUgYWNjZXNzIHRvIHRoZSB3cm9uZyBmcmFtZS4KPj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBK dWxpZW4gR3JhbGwgPGp1bGllbi5ncmFsbEBhcm0uY29tPgo+Pj4KPj4+IC0tLQo+Pj4gICAgICBU aGlzIGlzIGxpbWl0aW5nIHVzIHRvIGEgNDQtYml0IGFkZHJlc3Mgc3BhY2Ugd2hpbHN0IEFSTSBj YW4KPj4+IHN1cHBvcnQKPj4+ICAgICAgdXAgdG8gNDgtYml0IHRvZGF5LiBUaGlzIG51bWJlciBv ZiBiaXQgd2lsbCBpbmNyZWFzZSB0byA1Mi1iaXQgaW4KPj4+ICAgICAgdXBjb21pbmcgcHJvY2Vz c29ycyBbMV0uCj4+Pgo+Pj4gICAgICBJdCBtaWdodCBiZSBnb29kIHRvIHN0YXJ0IHRoaW5raW5n IHRvIGV4dGVuZCB0aGUgdmVyc2lvbiAxIG9mIHRoZQo+Pj4gICAgICBwcm90b2NvbCB0byB1c2Ug NjQtYml0IGZyYW1lIG51bWJlci4KPj4KPj4gLi4ub3Igc2ltcGx5IHVzZSB2ZXJzaW9uIDIgb2Yg dGhlIHByb3RvY29sLgo+Cj4gT24gYW5vdGhlciBtYWlsIFsxXSwgeW91IHNhaWQgdGhhdCAiW3Yy XSBkaWRuJ3Qgc2NhbGUgaXQgYmVjYW1lCj4gYm90dGxlLW5lY2tlZCBvbiBkb20wJ3MgZ3JhbnQg dGFibGUgc2l6ZSwuLi4iLgo+Cj4gU28gaXQgbG9va3MgbGlrZSB0byBtZSB0aGF0IHZlcnNpb24g MiBpcyB0aGUgd3Jvbmcgd2F5IHRvIGdvLgo+IFRoZSBwZXJmb3JtYW5jZSBzaG91bGQgc3RheSB0 aGUgc2FtZSB3aGV0aGVyIHRoZSBwbGF0Zm9ybSBzdXBwb3J0Cj4gNDAtYml0LCA0NC1iaXQsIDQ4 LWJpdCwgNTItYml0IGFkZHJlc3Mgc3BhY2UuCgpJIGZvcmdvdCB0aGUgbGluay4KClsxXSAKaHR0 cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2FyY2hpdmVzL2h0bWwveGVuLWRldmVsLzIwMTYtMDYv bXNnMDE2MDYuaHRtbAoKLS0gCkp1bGllbiBHcmFsbAoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK