NetBSD Problem Report #51987
From htodd@i8u.org Mon Feb 20 17:50:26 2017
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Message-Id: <20170220175019.36A6916C93DF@chris.i8u.org>
Date: Mon, 20 Feb 2017 09:50:19 -0800 (PST)
From: htodd@i8u.org
Reply-To: htodd@i8u.org
To: gnats-bugs@NetBSD.org
Subject: certbot accessing openssl in python2.7 causes segfault
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>Number: 51987
>Category: pkg
>Synopsis: certbot accessing openssl in python2.7 causes segfault
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: pkg-manager
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Mon Feb 20 17:55:00 +0000 2017
>Closed-Date: Tue May 16 05:25:00 +0000 2017
>Last-Modified: Tue May 16 05:25:00 +0000 2017
>Originator: Hisashi T Fujinaka <htodd@twofifty.com>
>Release: NetBSD 7.1_RC1
>Organization:
none
>Environment:
System: NetBSD chris.i8u.org 7.1_RC1 NetBSD 7.1_RC1 (CHRIS) #124: Sun Feb 19 09:31:52 PST 2017 htodd@chris.i8u.org:/usr/obj/amd64/sys/arch/amd64/compile/CHRIS amd64
Architecture: x86_64
Machine: amd64
>Description:
py-certbot from pkgsrc-2016Q4 using python2.7 dumps core when trying to "certbot certonly ...".
The first dozen lines or so of the backtrace are:
#0 0x00007f7ff7e15f90 in ?? ()
#1 0x00007f7ff0f41dd8 in internal_verify () from /usr/pkg/lib/libcrypto.so.1.0.0
#2 0x00007f7ff0f43b1d in X509_verify_cert () from /usr/pkg/lib/libcrypto.so.1.0.0
#3 0x00007f7ff1442671 in ssl_verify_cert_chain () from /usr/pkg/lib/libssl.so.1.0.0
#4 0x00007f7ff141ff9f in ssl3_get_server_certificate () from /usr/pkg/lib/libssl.so.1.0.0
#5 0x00007f7ff1424a21 in ssl3_connect () from /usr/pkg/lib/libssl.so.1.0.0
#6 0x00007f7ff142d924 in ssl23_connect () from /usr/pkg/lib/libssl.so.1.0.0
#7 0x00007f7feee5700c in _cffi_f_SSL_do_handshake ()
from /usr/pkg/lib/python2.7/site-packages/cryptography/hazmat/bindings/_openssl.so
#8 0x00007f7ff78d2c9b in PyEval_EvalFrameEx () from /usr/pkg/lib/libpython2.7.so.1.0
#9 0x00007f7ff78d2978 in PyEval_EvalFrameEx () from /usr/pkg/lib/libpython2.7.so.1.0
#10 0x00007f7ff78d48e8 in PyEval_EvalCodeEx () from /usr/pkg/lib/libpython2.7.so.1.0
#11 0x00007f7ff78d26bb in PyEval_EvalFrameEx () from /usr/pkg/lib/libpython2.7.so.1.0
#12 0x00007f7ff78d48e8 in PyEval_EvalCodeEx () from /usr/pkg/lib/libpython2.7.so.1.0
>How-To-Repeat:
Install py-certbot from pkgsrc-2016Q4 using python2.7 and try to generate a certificate "certbot certonly ...".
>Fix:
Not sure. Also not sure if this is related to pr/51490 python (2.7) needs PaX MPROTECT disabled for some programs.
>Release-Note:
>Audit-Trail:
From: Thomas Klausner <wiz@NetBSD.org>
To: NetBSD bugtracking <gnats-bugs@NetBSD.org>
Cc:
Subject: Re: pkg/51987: certbot accessing openssl in python2.7 causes segfault
Date: Tue, 21 Feb 2017 00:52:30 +0100
On Mon, Feb 20, 2017 at 05:55:00PM +0000, htodd@i8u.org wrote:
> >Number: 51987
> >Category: pkg
> >Synopsis: certbot accessing openssl in python2.7 causes segfault
My best guess is that this is caused (via py-cffi and py-OpenSSL) by
libffi, see
https://github.com/libffi/libffi/issues/294
Help is welcome.
Thomas
From: Hisashi T Fujinaka <htodd@twofifty.com>
To: gnats-bugs@NetBSD.org
Cc: pkg-manager@netbsd.org, gnats-admin@netbsd.org, pkgsrc-bugs@netbsd.org
Subject: Re: pkg/51987: certbot accessing openssl in python2.7 causes
segfault
Date: Fri, 14 Apr 2017 09:16:20 -0700 (PDT)
This appears to be working now.
State-Changed-From-To: open->closed
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Tue, 16 May 2017 05:25:00 +0000
State-Changed-Why:
submitter says it's working
>Unformatted:
(Contact us)
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