From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Paris Subject: Re: [PATCH] audit: ia32entry.S drops useful return value sign bits Date: Tue, 24 May 2011 15:13:44 -0400 Message-ID: <1306264425.26399.20.camel@localhost.localdomain> References: <20110524004135.6110.61381.stgit@paris.rdu.redhat.com> <4DDB00CC.1050802@zytor.com> <4DDB040B.4050404@redhat.com> <4DDB07B2.2080400@zytor.com> <4DDBDA62.3000303@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <4DDBDA62.3000303@zytor.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com To: "H. Peter Anvin" Cc: x86@kernel.org, Thomas Gleixner , linux-audit@redhat.com, mingo@redhat.com, viro@zeniv.linux.org.uk List-Id: linux-audit@redhat.com T24gVHVlLCAyMDExLTA1LTI0IGF0IDA5OjE4IC0wNzAwLCBILiBQZXRlciBBbnZpbiB3cm90ZToK PiBPbiAwNS8yNC8yMDExIDA2OjU1IEFNLCBUaG9tYXMgR2xlaXhuZXIgd3JvdGU6Cj4gPj4gVGhp cyBzZWVtcyBsaWtlIHRoZSBmdW5kYW1lbnRhbCBkZXNpZ24gZXJyb3IuCj4gPiAKPiA+IEkgZG9u J3QgdGhpbmsgc28uIFdlIHJ1biBpbiA2NGJpdCBtb2RlIGhlcmUgYW5kIGNhbGwgaW50byA2NGJp dCBjb2RlCj4gPiB3aGljaCBleHBlY3RzIGEgbG9uZyBiZWluZyA2NGJpdCBhbmQgbm90IGEgMzJi aXQgdHJ1bmNhdGVkIHZhbHVlLiBUaGUKPiA+IGF1ZGl0IGNvZGUgaXMgcHVyZSBrZXJuZWwgc3R1 ZmYgYW5kIHRoaXMgaXMgbm90IHRoZSByZXR1cm4gdG8KPiA+IHVzZXJzcGFjZS4KPiAKPiBJIGRv bid0IGFncmVlLCB0aGlzIGlzIGFib3V0IGF1ZGl0aW5nIHRoZSByZXR1cm4gdG8gdXNlcnNwYWNl LiAgRm9yIHRoZQo+IElBMzIgZW50cnkgcG9pbnQsIHRoZSByZXR1cm4gdmFsdWUgaXMgYSAzMi1i aXQgdmFsdWUgZXZlbiBpZiB3ZSBoYXBwZW4KPiB0byByZXR1cm4gdG8gNjQtYml0IHVzZXJzcGFj ZS4gIFRyZWF0aW5nIGl0IGFzIGFueXRoaW5nIGVsc2UgaXMgYXNraW5nCj4gZm9yIGEgc2VjdXJp dHkgaG9sZSB3aGVuIHdlIGF1ZGl0IHNvbWV0aGluZyB0aGF0IGlzbid0IHdoYXQgd2UgZG8uCj4g Cj4gQXMgc3VjaCwgdGhlIHJpZ2h0IHRoaW5nIHRvIGRvIGlzIHByb2JhYmx5Ogo+IAo+IAltb3Zs CSVlYXgsICVlc2kKPiAJY21wbAkkLU1BWF9FUlJOTywgJWVheAo+IAlqYgkxZgo+IAltb3ZzbHEJ JWVheCwgJXJzaQo+IDE6CXNldGFlCSVhbAoKSSdsbCBkbyBpdCB0aGF0IHdheSBpZiB5b3Ugd2Fu dC4gIEJ1dCB5b3Ugbm93IGhhdmUgYW4gZXh0cmEgamIgYW5kIGFuCmV4dHJhIG1vdmwsIG5laXRo ZXIgb2Ygd2hpY2ggZG8gYW55dGhpbmcgYXQgYWxsLiAgSXQncyBubyBkaWZmZXJlbnQgdGhhbgoK bW92cQkJJXJheCwgJXJzaQpjbXB7cSxsfQkkLU1BWF9FUlJOTywgJXtyLGV9YXgKc2V0YWUJCSVh bAoKSSBrbm93IGl0J3MgdGhlIHNhbWUgYmVjYXVzZSBJIHNwZW50IGZvcmV2ZXIgdHJ5aW5nIHRv IGh1bnQgZG93biBtb3ZzbHEuCkkgZG9uJ3QgdW5kZXJzdGFuZCB3aHkgaXQncyBub3QgaW4gdGhl IEludGVswq4gNjQgYW5kIElBLTMyIEFyY2hpdGVjdHVyZXMKU29mdHdhcmUgRGV2ZWxvcGVy4oCZ cyBNYW51YWwgVm9sdW1lIDIgKDJBICYgMkIpOiBJbnN0cnVjdGlvbiBTZXQKUmVmZXJlbmNlLCBB LVouICBUaGF0J3MgZXhhY3RseSB3aGF0IEkgdGFsa2VkIGFib3V0LCB0cnVuY2F0aW5nIHRoZQp1 cHBlciAzMiBiaXRzIGp1c3QgdGhlIHNpZ24gZXh0ZW5kIHRoZW0gcmlnaHQgYmFjay4KCkkgZ3Vl c3MgaXQgY29tZXMgZG93biB0byBwaWNraW5nIG9uZSBvZiB0aGVzZSAzOgpNeSB2ZXJzaW9uOgog ICAgICAgIG1vdnEgJXJheCwlcnNpICAgICAgICAgIC8qIHNlY29uZCBhcmcsIHN5c2NhbGwgcmV0 dXJuIHZhbHVlICovCiAgICAgICAgY21wbCAkLU1BWF9FUlJOTywlcmF4ICAgLyogaXMgaXQgPCAw PyAqLwogICAgICAgIHNldGJlICVhbCAgICAgICAgICAgICAgICAvKiAxIGlmIHNvLCAwIGlmIG5v dCAqLwogICAgICAgIG1vdnpibCAlYWwsJWVkaSAgICAgICAgIC8qIHplcm8tZXh0ZW5kIHRoYXQg aW50byAlZWRpICovCiAgICAgICAgY2FsbCBfX2F1ZGl0X3N5c2NhbGxfZXhpdAoKVlMgaHBhIHZl cnNpb246Cgltb3ZsCSVlYXgsJWVzaQkvKiBtb3ZlIDMyYml0cyB0byBzZWNvbmQgYXJnICovCglj bXBsCSQtTUFYX0VSUk5PLCVlYXggLyogY2hlY2sgaWYgZmFpbCAqLwoJamJlCTFmCgltb3ZzbHEJ JWVheCwgJXJzaQkvKiByZS1zaWduLWV4dGVuZCBlYXggKi8KMToJc2V0YmUJJWFsCgltb3Z6Ymwg JWFsLCVlZGkKCWNhbGwgX19hdWRpdF9zeXNjYWxsX2V4aXQKClZTIGFsdGVybmF0ZSBvZiBocGEg dmVyc2lvbiB3aXRob3V0IHNldDoKCW1vdmwJJDEsJWVkaQkJLyogc3lzY2FsbCBzdWNjZXNzIGFy Z3VtZW50ICovCgltb3ZsCSVlYXgsJWVzaQkvKiBtb3ZlIDMyYml0cyB0byBzZWNvbmQgYXJnICov CgljbXBsCSQtTUFYX0VSUk5PLCVlYXggLyogY2hlY2sgaWYgZmFpbCAqLwoJamJlCTFmCgl4b3IJ JWVkaSwlZWRpCS8qIHN5c2NhbGwgZmFpbHVyZSBhcmd1bWVudCAqLwoJbW92c2xxCSVlYXgsICVy c2kJLyogcmVzaWduLWV4dGVuZCBlYXggKi8KMToJY2FsbCBfX2F1ZGl0X3N5c2NhbGxfZXhpdAoK SWYgSSBoYXZlIHRvIGdvIHdpdGggdGhlIGhwYSB2ZXJzaW9uIG9mIHRydW5jYXRpb24gZm9sbG93 ZWQgYnkgc2lnbgpleHRlbnNpb24sIGlzIGl0IGFueSBiZXR0ZXIvY2hlYXAvZmFzdGVyIHRvIHVz ZSBqdXN0IG1vdmwgaW4gdGhlCidjb21tb24nIGNhc2UgYW5kIG1vdmwreG9yIGluIHRoZSB1bmNv bW1vbiBzeXNjYWxsIGZhaWx1cmU/ICBJIGRvbid0Cmtub3cgaG93IGV4cGVuc2l2ZSBvciBsYXJn ZSB0aGUgc2V0K21vdnpibCBpcy4uLi4KCi0tCkxpbnV4LWF1ZGl0IG1haWxpbmcgbGlzdApMaW51 eC1hdWRpdEByZWRoYXQuY29tCmh0dHBzOi8vd3d3LnJlZGhhdC5jb20vbWFpbG1hbi9saXN0aW5m by9saW51eC1hdWRpdA==