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and subject line Bug#331507: fixed in loop-aes-source 3.1b-3
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Date: Mon, 3 Oct 2005 21:52:47 +0200
From: Frank Burkhardt <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: loop-aes-source: loop-aes crashes in a xen-kernel when keyscrubbing is
used
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version=2.60-bugs.debian.org_2005_01_02
Package: loop-aes-source
Version: 3.0d-4
Severity: normal
Hi,
if the loop-aes-module is compiled with keyscrubbing enabled,
it crashes when it's inserted into a kernel running inside a
xen-domain. Everything works fine in xen when KEYSCRUB=n is used.
KEYSCRUB should be set to 'n' by default in debian/rules when a
xen kernel ist built.
A snapshot of the crash:
# modprobe loop
loop: AES key scrubbing enabled
loop: loaded (max 8 devices)
# dd if=/dev/zero of=/tmp/xxx bs=1024 count=$((30*1024))
# losetup -e AES256 -H sha512 -S test /dev/loop0 /tmp/xxx
Password:
general protection fault: 0000 [#1]
PREEMPT
Modules linked in: loop openafs
CPU: 0
EIP: 0061:[<c71d745e>] Tainted: P VLI
EFLAGS: 00010202 (2.6.12-f4e)
EIP is at keyScrubWork+0xae/0xc0 [loop]
eax: c63bea08 ebx: c63be808 ecx: c63bea08 edx: c63bea18
esi: c63bea18 edi: c63be800 ebp: c63be804 esp: c0ecff54
ds: 007b es: 007b ss: 0069
Process loop0 (pid: 1191, threadinfo=c0ece000 task=c0c2da60)
Stack: c0c29000 c0c29208 00000001 00000001 c63be800 c71dfe78 00000000 00000000
c71d74b8 c63be800 c0ece000 c71d5604 c63be800 ffffffff 00000009 00000001
00000001 c0ecffb0 c243bb54 00001000 c5ff9dc0 00000000 00000000 c5a19ecc
Call Trace:
[<c71d74b8>] keyScrubThreadFn+0x48/0x60 [loop]
[<c71d5604>] loop_thread+0x144/0x700 [loop]
[<c01098fe>] ret_from_fork+0x6/0x1c
[<c0119ac0>] default_wake_function+0x0/0x20
[<c71d54c0>] loop_thread+0x0/0x700 [loop]
[<c01077cd>] kernel_thread_helper+0x5/0x18
Code: 04 81 83 f2 04 89 96 28 02 00 00 8d 14 91 89 c6 89 d7 a5 a5 a5 a5 8b 7c
24 24 89 97 04 02 00 00 f7 10 f7 50 04 f7 50 08 f7 50 0c <0f> 09 83 c4 10 5b 5e
5f 5d c3 90 8d b4 26 00 00 00 00 53 b8 01
<6>note: loop0[1191] exited with preempt_count 1
Regards,
Frank
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.13-f4
Locale: LANG=de_DE, LC_CTYPE=de_DE (charmap=ISO-8859-1) (ignored: LC_ALL set to
de_DE)
Versions of packages loop-aes-source depends on:
ii build-essential 11.1 informational list of build-essent
ii bzip2 1.0.2-10 high-quality block-sorting file co
ii debhelper 4.9.11 helper programs for debian/rules
ii module-assistant 0.9.10 tool to make module package creati
Versions of packages loop-aes-source recommends:
ii kernel-package 9.008 A utility for building Linux kerne
pn kernel-source <none> (no description available)
-- no debconf information
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Received: (at 331507-close) by bugs.debian.org; 9 Oct 2005 20:18:21 +0000
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Received: from katie by spohr.debian.org with local (Exim 3.36 1 (Debian))
id 1EOhby-0000zA-00; Sun, 09 Oct 2005 13:17:34 -0700
From: Max Vozeler <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
X-Katie: $Revision: 1.56 $
Subject: Bug#331507: fixed in loop-aes-source 3.1b-3
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Date: Sun, 09 Oct 2005 13:17:34 -0700
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autolearn=no version=2.60-bugs.debian.org_2005_01_02
Source: loop-aes-source
Source-Version: 3.1b-3
We believe that the bug you reported is fixed in the latest version of
loop-aes-source, which is due to be installed in the Debian FTP archive:
loop-aes-source_3.1b-3.diff.gz
to pool/main/l/loop-aes-source/loop-aes-source_3.1b-3.diff.gz
loop-aes-source_3.1b-3.dsc
to pool/main/l/loop-aes-source/loop-aes-source_3.1b-3.dsc
loop-aes-source_3.1b-3_all.deb
to pool/main/l/loop-aes-source/loop-aes-source_3.1b-3_all.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Max Vozeler <[EMAIL PROTECTED]> (supplier of updated loop-aes-source package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Sun, 9 Oct 2005 21:47:06 +0200
Source: loop-aes-source
Binary: loop-aes-source
Architecture: source all
Version: 3.1b-3
Distribution: unstable
Urgency: low
Maintainer: Max Vozeler <[EMAIL PROTECTED]>
Changed-By: Max Vozeler <[EMAIL PROTECTED]>
Description:
loop-aes-source - loop-AES encryption Linux kernel modules (source)
Closes: 331507
Changes:
loop-aes-source (3.1b-3) unstable; urgency=low
.
* debian/patches/xen_oops_wbinvd.dpatch:
+ Prevent use of the wbinvd instruction when building
for XEN kernels. (Closes: #331507)
Files:
9c72fa1c809c3659cbcd2274ee8d2201 599 admin optional loop-aes-source_3.1b-3.dsc
c3b19b4876fa985006d4e04e2691fb18 10833 admin optional
loop-aes-source_3.1b-3.diff.gz
a3627f090b1d0735b48d24e929a0bf5b 244866 admin optional
loop-aes-source_3.1b-3_all.deb
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