From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Semel Subject: Re: [PATCH] fuzz/x86_emulate: fix bounds for input size Date: Fri, 23 Feb 2018 13:07:10 +0100 Message-ID: <499e741c-f98d-6658-c479-5a9748d98c1a@gmail.com> References: <20180222180014.qctjkne27d5qwfro@citrix.com> <20180222235726.28721-1-semelpaul@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1epC8F-0002gQ-DP for xen-devel@lists.xenproject.org; Fri, 23 Feb 2018 12:07:19 +0000 Received: by mail-wr0-x22c.google.com with SMTP id w77so13832412wrc.6 for ; Fri, 23 Feb 2018 04:07:17 -0800 (PST) In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: George Dunlap , xen-devel@lists.xenproject.org Cc: andrew.cooper3@citrix.com, wei.liu2@citrix.com, JBeulich@suse.com List-Id: xen-devel@lists.xenproject.org CgpPbiAwMi8yMy8yMDE4IDExOjQ0IEFNLCBHZW9yZ2UgRHVubGFwIHdyb3RlOgo+IFBhdWwsIHRo YW5rcyBmb3IgcmVwb3J0aW5nIHRoaXMhICBBIGNvdXBsZSBvZiBjb21tZW50cy4uLgo+IAo+IE9u IDAyLzIyLzIwMTggMTE6NTcgUE0sIFBhdWwgU2VtZWwgd3JvdGU6Cj4+IFRoZSBtaW5pbXVtIHNp emUgZm9yIHRoZSBpbnB1dCBzaXplIHdhcyBzZXQgdG8gREFUQV9PRkZTRVQgKyAxIHdoaWNoIHdh cyBtZWFuaW5nCj4+IHRoYXQgd2Ugd2VyZSByZXF1ZXN0aW5nIGF0IGxlYXN0IG9uZSBjaGFyYWN0 ZXIgb2YgdGhlIGRhdGEgYXJyYXkgdG8gYmUgZmlsbGVkLgo+PiBUaGlzIGlzIG5vdCBuZWVkZWQg Zm9yIHRoZSBmdXp6ZXIgdG8gZ2V0IHdvcmtpbmcgY29ycmVjdGx5Lgo+IAo+IFN1cmUsIGJ1dCB0 aGVuIHRoZSBlbXVsYXRvciB3aWxsIGZhaWwgdGhlIGZpcnN0IGluc25fZmV0Y2goKSBjYWxsYmFj ay4KPiBJIHVuZGVyc3RhbmQgdGhlcmUncyBhIGNvbmNlcHR1YWwgcHVyaXR5IHRvIHRlc3Rpbmcg c3VjaCBhbiBpbnB1dCwgYnV0Cj4gaXMgaXQgYWN0dWFsbHkgb2YgcHJhY3RpY2FsIHZhbHVlIGlu IGZpbmRpbmcgYnVncz8KPiAKCkFjdHVhbGx5LCBpZiB5b3UgcmVhbGx5IHdhbnQgdG8gZmluZCBi dWdzLCB5b3UgKnJlYWxseSogd2FudCBBRkwgdG8gaGF2ZSAKY29udHJvbCBvdmVyIHRoZSB3aG9s ZSBkYXRhIGZpZWxkLgoKPj4gVGhlIG1heGltdW0gc2l6ZSBmb3IgdGhlIGlucHV0IHNpemUgd2Fz IHNldCB0byBJTlBVVF9TSVpFLCB3aGljaCBpcyBhY3R1YWxseQo+PiB0aGUgc2l6ZSBvZiB0aGUg ZGF0YSBhcnJheSBpbnNpZGUgdGhlIGZ1enpfY29ycHVzIHN0cnVjdHVyZSBhbmQgc28gd2FzIG5v dAo+PiBhYmxpbmcgdXNlciAob3IgQUZMKSB0byBmaWxsIGluIHRoZSB3aG9sZSBzdHJ1Y3R1cmUu IENoYW5naW5nIHRvCj4+IHNpemVvZihzdHJ1Y3QgZnV6el9jb3JwdXMpIGNvcnJlY3QgdGhpcyBw cm9ibGVtLgo+IAo+IEdvb2QgY2F0Y2g7IGFjdHVhbGx5IElOUFVUX1NJWkUgaXMgYSBtaXNub21l cjsgdGhpcyBzaG91bGQgcmVhbGx5IGJlCj4gREFUQV9TSVpFLgo+IAo+IEkgdGhpbmsgaXQncyBh cmd1YWJsZSB3aGV0aGVyIHRoZSBiZXR0ZXIgdGhpbmcgdG8gZG8gdGhlcmUgd291bGQgYmUgdG8K PiB0YWtlIHlvdXIgYXBwcm9hY2gsIG9mIGV4dGVuZGluZyB0aGUgYWNjZXB0ZWQgaW5wdXQgc2l6 ZSB0byBmaXQgdGhlCj4gaW5pdGlhbCBzdGF0ZSArIGRhdGEgc2l6ZSwgb3IgdGhlIG90aGVyIGFw cHJvYWNoLCBvZiByZXN0cmljdGluZyB0aGUKPiBzaXplIG9mIHRoZSBkYXRhW10gYXJyYXkgc3Vj aCB0aGF0IHRoZSB0b3RhbCBzdHJ1Y3R1cmUgc2l6ZSBkb2Vzbid0Cj4gZXhjZWVkIG91ciBkZXNp cmVkIElOUFVUX1NJWkUgKGN1cnJlbnRseSA0aykuICBUaGUgZmlyc3QgYml0IG9mIGFkdmljZQo+ IGluIGBwZXJmX3RpcHMudHh0YCBmb3IgQUZMIGlzICJLZWVwIHlvdXIgdGVzdCBjYXNlcyBzbWFs bCIsIHNvIEknZCBiZQo+IGluY2xpbmVkIHRvIGdvIHdpdGggdGhlIHNlY29uZC4KPiAKCkkgd291 bGQgYWxzbyBnbyBmb3IgdGhlIHNlY29uZCwgYXMgSSdtIHByZXR0eSBzdXJlIHdlJ3JlIG5vdCB1 c2luZyB0aGUgCndob2xlIGJ1ZmZlciBpbiBvbmUgcnVuLgoKPiBCdXQgaW4gYW55IGNhc2UsIEkn bSBpbiB0aGUgcHJvY2VzcyBvZiByZXdvcmtpbmcgaG93IHRoZSBpbnB1dCB3b3JrczsKPiB5b3Ug Y2FuIHNlZSB0aGUgbGFzdCBwYXRjaCBwb3N0ZWQgaGVyZToKPiAKPiBodHRwczovL21hcmMuaW5m by8/bD14ZW4tZGV2ZWwmbT0xNTA3NzQ0NDg1MTM0MzQKPiAKCkkgdG9vayBhIGxvb2sgYXQgeW91 ciBwYXRjaCwgaXQgbG9vayByZWFsbHkgZ29vZC4gVGhlIG9ubHkgdGhpbmcgaXMgdGhhdCAKSSB0 aGluayBpdCBtaWdodCBiZSBtb3JlIHJlbGV2ZW50IHRvIGFsc28gaGF2ZSBhbiBvcHRpb24gdG8g Z2V0IHRoZSAKbWF4aW11bSBpbnB1dCwgYXMgSSB0aGluayBpdCdzIHRoZSBiZXR0ZXIgd2F5IHRv IGZpbmQgYnVncyBhcyBtZW50aW9ubmVkIAplYXJsaWVyICEg8J+ZggoKPiBJIGhhdmVuJ3QgdGFr ZW4gYSBjbG9zZSBsb29rIGJ1dCBJIHRoaW5rIGl0IGFzIGEgc2lkZSBlZmZlY3QgaXQgd2lsbCBm aXgKPiB0aGlzIGlzc3VlLgo+IAo+ICAgLUdlb3JnZQo+IAoKLS0gClBhdWwgU2VtZWwKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWls aW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVu cHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=