From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ted Zlatanov Newsgroups: gmane.emacs.bugs Subject: bug#10904: 24.0.93; Infinite loop in GnuTLS code during Gnus nnimap-initiated SSL handshake Date: Mon, 19 Mar 2012 09:54:57 -0400 Organization: =?UTF-8?Q?=D0=A2=D0=B5=D0=BE=D0=B4=D0=BE=D1=80_?= =?UTF-8?Q?=D0=97=D0=BB=D0=B0=D1=82=D0=B0=D0=BD=D0=BE=D0=B2?= @ Cienfuegos Message-ID: <87haxk3dce.fsf@lifelogs.com> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1332165353 10169 80.91.229.3 (19 Mar 2012 13:55:53 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 19 Mar 2012 13:55:53 +0000 (UTC) Cc: Thomas Fitzsimmons , 10904@debbugs.gnu.org To: Lars Magne Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 19 14:55:52 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1S9d3s-0004qL-8O for geb-bug-gnu-emacs@m.gmane.org; Mon, 19 Mar 2012 14:55:48 +0100 Original-Received: from localhost ([::1]:58633 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S9d3r-0000aM-Mp for geb-bug-gnu-emacs@m.gmane.org; Mon, 19 Mar 2012 09:55:47 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:58592) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S9d3j-0000ZL-Jo for bug-gnu-emacs@gnu.org; Mon, 19 Mar 2012 09:55:45 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S9d3d-00015y-35 for bug-gnu-emacs@gnu.org; Mon, 19 Mar 2012 09:55:39 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:50214) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S9d3c-00015s-Vr for bug-gnu-emacs@gnu.org; Mon, 19 Mar 2012 09:55:33 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1S9dX8-0000Yr-G4 for bug-gnu-emacs@gnu.org; Mon, 19 Mar 2012 10:26:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Ted Zlatanov Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 19 Mar 2012 14:26:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10904 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 10904-submit@debbugs.gnu.org id=B10904.13321671402129 (code B ref 10904); Mon, 19 Mar 2012 14:26:02 +0000 Original-Received: (at 10904) by debbugs.gnu.org; 19 Mar 2012 14:25:40 +0000 Original-Received: from localhost ([127.0.0.1]:57046 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1S9dWg-0000YD-So for submit@debbugs.gnu.org; Mon, 19 Mar 2012 10:25:39 -0400 Original-Received: from z.lifelogs.com ([173.255.230.239]:42946) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1S9dWb-0000Y3-O5 for 10904@debbugs.gnu.org; Mon, 19 Mar 2012 10:25:34 -0400 Original-Received: from heechee (c-76-28-40-19.hsd1.vt.comcast.net [76.28.40.19]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: tzz) by z.lifelogs.com (Postfix) with ESMTPSA id 6514A62029; Mon, 19 Mar 2012 13:54:58 +0000 (UTC) X-Face: bd.DQ~'29fIs`T_%O%C\g%6jW)yi[zuz6; d4V0`@y-~$#3P_Ng{@m+e4o<4P'#(_GJQ%TT= D}[Ep*b!\e,fBZ'j_+#"Ps?s2!4H2-Y"sx" Mail-Copies-To: never Gmane-Reply-To-List: yes In-Reply-To: (Lars Magne Ingebrigtsen's message of "Sat, 03 Mar 2012 15:56:59 +0100") User-Agent: Gnus/5.130004 (Ma Gnus v0.4) Emacs/24.0.94 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:57889 Archived-At: On Sat, 03 Mar 2012 15:56:59 +0100 Lars Magne Ingebrigtsen wrote: LMI> Thomas Fitzsimmons writes: LMI> The error seems to be this? >> gnutls.c: [4] REC[0x90155c8]: Decrypted Packet[1] Handshake(22) with >> length: 3404 >> >> gnutls.c: [3] HSK[0x90155c8]: CERTIFICATE was received. Length >> 3400[3400], frag offset 0, frag length: 3400, sequence: 0 >> >> gnutls.c: [2] ASSERT: >> /home/fitzsim/sources/gnutls-3.0.8/lib/gnutls_buffers.c:1037 >> >> gnutls.c: [1] Received unexpected handshake message 'CERTIFICATE' >> (11). Expected 'SERVER HELLO' (2) >> >> gnutls.c: [2] ASSERT: >> /home/fitzsim/sources/gnutls-3.0.8/lib/gnutls_handshake.c:1226 >> >> gnutls.c: [2] ASSERT: >> /home/fitzsim/sources/gnutls-3.0.8/lib/gnutls_handshake.c:2432 >> >> gnutls.c: [0] (Emacs) fatal error: An unexpected TLS handshake packet >> was received. LMI> That is, GnuTLS expects SERVER HELLO, but gets CERTIFICATE from the IMAP LMI> server. LMI> Does anybody know what this might mean? (sorry for the late reply) It seems like a buggy server or something in GnuTLS itself. I have never seen this problem before and the lockup is happening in the GnuTLS internals, where Emacs doesn't play at all (we use the GnuTLS API in a very straightforward way). Thomas, can you open a connection to this server with the GnuTLS command-line tools (gnutls-cli)? That will reduce the problem to Emacs vs. GnuTLS. Thanks Ted