From: Dave Young Subject: kexec_file_load signature verification failure Date: Thu, 30 Jun 2016 10:05:58 -0400 Message-ID: <20160630140558.GA5142@dhcp-128-65.nay.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, pjones@redhat.com To: David Howells Return-path: Received: from mx1.redhat.com ([209.132.183.28]:43651 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751932AbcF3OGJ (ORCPT ); Thu, 30 Jun 2016 10:06:09 -0400 Content-Disposition: inline Sender: linux-crypto-owner@vger.kernel.org List-ID: Hi, David kexec_file_load fails with a Bad Message error with recent kernel: kexec_file_load failed: Bad message Debug messages: [ 3463.794391] PEFILE: checksum @ da [ 3463.794395] PEFILE: header size = 200 [ 3463.794397] PEFILE: cert = 898 @4a5370 [97 08 00 00 00 02 02 00 30 82 08 8b 06 09 2a 86 48 86 f7 0d 01 07 02 a0 82 08 7c 30 82 08 78 02 01 01 31 0f 30 0d 06 09 60 86 48 01 65 03 04 02 01 05 00 30 5c 06 0a 2b 06 01 04 01 82 37 02 01] [ 3463.794399] PEFILE: sig wrapper = { 897, 200, 2 } [ 3463.794404] PKCS7: Got data [ 3463.794407] X.509: PubKey Algo: 9 [ 3463.794411] X.509: Extension: 53 [ 3463.794412] X.509: Extension: 50 [ 3463.794413] X.509: Extension: 49 [ 3463.794414] X.509: subjkeyid 9d5c9a70fe6578e1ba171ba2ab9f3449d6688559 [ 3463.794415] X.509: Extension: 56 [ 3463.794417] X.509: x509_note_tbs_certificate(,4,04,8,780)! [ 3463.794418] X.509: Signature type: 9 size 513 [ 3463.794419] X.509: AKID: keyid: 9d5c9a70fe6578e1ba171ba2ab9f3449d6688559 [ 3463.794420] X.509: authkeyid 9d5c9a70fe6578e1ba171ba2ab9f3449d6688559 [ 3463.795236] PKCS7: Got cert 1 for dyoung kernel test key [ 3463.795238] PKCS7: - fingerprint 00d4a0934d161cab68311f301d06035504030c1664796f756e67206b65726e656c2074657374206b6579 [ 3463.795950] PKCS7: verify dyoung kernel test key: 00d4a0934d161cab68 [ 3463.795951] PKCS7: - issuer dyoung kernel test key [ 3463.795952] PKCS7: - authkeyid.skid 9d5c9a70fe6578e1ba171ba2ab9f3449d6688559 [ 3463.795952] PKCS7: - self-signed [ 3463.795954] Look up: "ex:00d4a0934d161cab68311f301d06035504030c1664796f756e67206b65726e656c2074657374206b6579" [ 3463.796642] PEFILE: Digest: 0 [] [ 3463.796644] PEFILE: Digest size mismatch (20 != 0) Bisect results: Bisecting: 0 revisions left to test after this (roughly 0 steps) [e68503bd6836ba765dc8e0ee77ea675fedc07e41] KEYS: Generalise system_verify_data() to provide access to internal content I can not revert this comment only to test, seems there are a lot of dependencies. Could you please help on this issue? Thanks Dave