/archive/1
Upstream/vendor patches are apparently available.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
-- System Information:
Debian Release: 3.1
Architecture: i386 (i686)
Kernel: Linux
ssue
http://bugs.debian.org/272956
(which is exactly why I would want it).
Curious: an external movemail was working fine with Netscape4...
Thanks,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
The patch below should solve this problem.
I expect this will also solve
#305793 Attach files to TWiki topics fails after update
and an un-related (un-reported?) problem.
(Sven: should I make a reportbug for the "unrelated" problem?)
Cheers,
Paul Szabo [EMAIL PROTECT
plains about tainting if a comment is present. Force a comment,
and untaint it?)
Cheers, Paul
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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Seems to me that the following solves the issue.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
--- /usr/share/perl5/TWiki/Store/RcsWrap.pm.orig2005-04-13
12:33:16.0 +1000
eam directly? Are not
all security-tagged bug reports monitored, as a matter of course? (Are they
knowledgeable to advise on your questions above?)
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustral
Package: mount
Version: 2.11n-7
Severity: critical
File: /bin/umount
Tags: security
Justification: root security hole
Please see
http://www.securityfocus.com/archive/1/410333
for details. Verified (that noexec flag is gone) as follows:
psz:~$ id
uid=1001(psz) gid=1001(amstaff) groups=1001(am
Package: twiki
Version: 20030201-6
Severity: critical
Justification: root security hole
Please see
http://www.securityfocus.com/archive/1/410721
Verified with
http://iw/iw/view/Main/TWikiUsers?rev=3D2%20%7Cless%20/etc/passwd
http://iw/iw/view/Main/TWikiUsers?rev=3D2%20%7Cps%20aux|cat%20
ers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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y01
Jan 01 02:03 (insecure.com"')"
[EMAIL PROTECTED]:~$
should suitably freak them out.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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, code below.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
OUTPUT:
[EMAIL PROTECTED]:~$ gnome-pty-helper-exploit xyz & sleep 1; who; ps aux | grep
psz; sleep 6; who
[1] 31444
Writing
ink of any "important" uses
of utmp/wtmp files. I use utmp in some of my own scripts, that is how I
looked at gnome-tty-helper.)
Cheers, Paul
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
y running xhost, if it fails then surely you do not
"own" that display. Slow, maybe secure. That is what I use now.)
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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e know if you don't have a setup
> permitting the check, or if you lack the time.
Looking at the source
vte-0.11.15/gnome-pty-helper/gnome-pty-helper.c
in line 682 it grabs
display_name = getenv ("DISPLAY");
and uses it without any sanity checks: yes, surely it is also affecte
Dear Debian Security,
Quoting from http://www.debian.org/security/ :
Debian takes security very seriously. Most security problems
brought to our attention are corrected within 48 hours.
Can we please have a DSA for this problem?
Thanks,
Paul Szabo [EMAIL PROTECTED] http
instead
of people re-discovering the problem and having to configure manually)?
Thanks,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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llocations?
Seems the files/functions to change would be:
glibc-2.3.2/sunrpc/bindrsvprt.c bindresvport()
kernel-source-2.6.8/net/sunrpc/xprt.c xprt_bindresvport()
kernel-source-2.6.8/net/ipv4/tcp_ipv4.c tcp_v4_get_port()
kernel-source-2.6.8/net/ipv4/udp.c udp_v4_get_port()
Cheers,
ing
"view source" in the browser):
...
TWiki
...
I can only get the "right" output by modifying
/var/lib/twiki/templates/twiki.tmpl and "hard-coding" these values.
What am I doing wrong?
Thanks,
Paul Szabo [EMAIL PROTE
this bug: seems all caused by my
lack of understanding the intricacies of twiki management.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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I now observe the same thing in Ubuntu, after upgrading from
6.06 "dapper" to 6.10 "edgy", e.g. with
p=`ps -fC Xorg`
time perl -e '$|=1; foreach $x (1..500) { print "x" foreach(1..$x); print "
$x\n" }'
echo "$p"; ps -fC Xo
XFree86.0.log output).
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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er/conf.d/twiki.conf
fi
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
-- System Information:
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Architecture: i386 (i686)
Kernel: Linux 2.6.8-spb1.6
Locale
tags 147471 + patch
thanks
We at Maths.USyd have been using the following patch for this; sorry,
no patch for the man page.
(Should have been passed on to Debian years ago; my excuse is that I
took over management of the machine that uses this a short time ago.)
Cheers,
Paul Szabo [EMAIL
rce-2.6.8/drivers/net/e1000/e1000_main.c
char e1000_driver_name[] = "e1000";
char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
char e1000_driver_version[] = "5.2.52-k4";
char e1000_copyright[] = "Copyright (c) 1999-2004 Intel Corporatio
13997 psz cwd DIR 0,15 40965800702
/pisa/users/amstaff/psz/tdir (pisa:/usr/users)
Mon Jan 15 08:12:46 EST 2007
Settings:
rome# grep psz /etc/passwd
psz:x:1001:1001:Paul Szabo:/users/amstaff/psz:/bin/bash
rome# ls -l /users/amstaff
lrwxrwxrwx 1 root root 19 Jan 19 2
ack PHP
(by creating random files in there).
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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Locale
e MAC adress is
00:00:aa:bb:cc:dd.
Hope you can set DHCP for it.
(seeing a bogus new message at the From line).
Checking that the "From " line is followed by a header may be useful; but
sylpheed MUST check that the "From " line follows a blank line (or is at
the begi
g/doc/manuals/securing-debian-howto/ch11.en.html#s11.1.12.2
[6] http://hackersplayground.org/papers/sendmailholes.txt
[7] http://lists.debian.org/debian-doc/2001/08/msg00041.html
[8] http://lists.debian.org/debian-user/2003/12/msg02057.html
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.
There may be arguments for not using Content-Length at all. Some
references:
http://www.netscape.com/eng/mozilla/2.0/relnotes/demo/content-length.html
http://groups.google.com/groups?hl=en&lr=&ie=ISO-8859-1&q=%22content-length%22+harmful
http://www.washington.edu/imap/docu
ot;wrong" patch.
So this seems fixed in etch 0.17-23 since 25 Nov 2006, but not yet in
sarge (==stable) 0.17-20sarge2. Please fix for sarge also.
Thanks,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of Sydney
Justin,
> does this happen to you on a laptop machine, or otherwise?
I do not have Debian laptops. So it is otherwise: on my "main"
departmental login server....
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics
Dear Security team,
A stupid little bug crept into (was left in) #384454 and DSA-1217.
My fault originally: I humbly apologize. Please correct it for sarge.
Thanks,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of Sydney
I thought this had been fixed ages ago: see Bug#220486 and DSA 431-2.
Maybe this could be closed also?
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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staff 4 Mar 3 19:15 HAND
HAND: abc
1
total 8
-rw--- 1 psz amstaff 4 Mar 3 19:15 FILE
-rw--- 1 psz amstaff 2 Mar 3 19:15 HAND
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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Justin,
> ... Do you suspect some particular cause here, too?
Yes, I "blame" ntpd. I only guess that it uses "suspend" to slow
things down. (No, I wouldn't "manually" suspend my server.)
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.e
accept).
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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bugtraq if/when they accept).
Bugtraq accepted also:
http://www.securityfocus.com/archive/1/460742
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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x\n"
}'
whereas a mere 4 seconds for
perl -e '$|=0; foreach $x (1..500) { print "x" foreach(1..$x); print " $x\n"
}'
(Hmm... I now see that sarge 3.1r5 was released 18 Feb 07, and I still
run the previous one. Will now update, re-test, and mayb
reach(1..$x); print " $x\n"
}'
Seems not fixed at all.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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output uses the same fonts. Please instruct what fonts should I try
(and how to change to them), and I will try.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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audit
0 -auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
so I guess Xorg is buggy also. (This is with the ATI driver. I now cannot
imagine how bad it would have been with VESA.)
Regardless of Xorg, please do not close this bug: Debian (stable) has
XFree86 only, not Xorg.
Thanks,
Paul Szabo [
erver of either. There was no bug, and nothing fixed, in
the Xorg server. Seems I should have reported the bug against the
terminals, not against the X server package.)
Thanks,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics Univers
terminals were faster
> before. Once we know that it is a regression, and not just a "slow"
> implementation, the severity could be raised.
As per initial bug report:
>> ... 50 seconds ... At woody the above completed in under 1 second.
so it seems proved a regression.
Ch
548 472 pts/6S+ 08:34 0:00 grep -E psz|USER
psz 14627 0.0 0.0 2496 848 pts/6R+ 08:34 0:00 ps aux
[EMAIL PROTECTED]:~$
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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Again looking at BTS, this bug seems similar to #161633.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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NFS could document the issue, or help change policy.)
Please see also bug#299007 http://bugs.debian.org/299007 .
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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Please see also
http://lists.grok.org.uk/pipermail/full-disclosure/2006-August/049079.html
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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Please see also
http://bugs.debian.org/384922
http://lists.grok.org.uk/pipermail/full-disclosure/2006-August/049079.html
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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o someone
who just had his machine trashed because he trusted root_squash.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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with a subject of "
(in more innocent
times) was exactly about that PATH setting.
> 4. You can login on the NFS server.
>
> This is not an impossible combination, but it's not a gaping security hole
> either.
My exact situation: my home directory is exported from a server (read/write
and suid everywhe
e fit.
I was actually hoping that the NFS community would be able to convince the
policymakers to fix the policy. They tricked you already: you were mistaken
about root's PATH. With the wrong policy, bugs such as this will keep
popping up; they will be reassigned, retitled, or otherwise s
s a tiny policy change, to be permitted to drop
/usr/local things from root's PATH, or to remove group staff writability
from those things. Everyone seems to know those should be done...
Thanks for your help,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mat
currently the kernel does not understand such squashing of groups...
so this feature should be activated as soon as the kernel supports it.
Please see bugs #384922 and #299007
http://bugs.debian.org/384922
http://bugs.debian.org/299007
for details.
Cheers,
Paul Szabo [EMAIL PROTECTED] http
lation).
Please see bugs #384922 and #299007
http://bugs.debian.org/384922
http://bugs.debian.org/299007
for details.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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I note that Ubuntu has fixed this:
https://launchpad.net/bugs/13795
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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Dear Steve,
You seem to think that this is "important" but not "critical".
Don't you agree that it is a root security hole?
Thanks,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustr
root users; but that is not this bug.
Yes, that is #299007, but am told that policy bugs cannot be critical...
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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messages from Steinar, never anything from Anibal. After re-assigning to
linux-2.6.16 (hmm... why the specific version?) where the maintainer is
a nebulous committee, again you re-jiggle severity; and no word from the
maintainers.
Thanks,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au
ve no skills to attack). And it can be
fixed: root on the server will be safe if we fix either of the last two
points, in the policy or if the policy allows us to fix our systems; or
if at great expense we implement squashing GIDs.
> The answer remains, "don't set your NFS environm
severity 384922 critical
thanks
Dear Steve,
The issue is root compromise of an NFS server. If that is possible then
it is critical; if it is not possible then the bug is solved. It seems
logically impossible to downgrade this kind of bugs.
Cheers,
Paul Szabo [EMAIL PROTECTED] http
r it to function securely. But then those
settings would need to go into its setup scripts, and it would be in breach
of policy, triggering a "serious" bug and its removal from Debian.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and
default
root_squash working, and never set non-default permissions on /usr/local or
altered root's PATH. I beleive it renders many other systems exploitable
also, but have no ways to test that hypothesis.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of M
and 50
seconds on a Celeron2GHz, with /usr/bin/X11/X taking almost 100% CPU
time. At woody the above completed in under 1 second.
It is interesting to see more than one of those running simultaneously
in several windows: only one at a time is "running".
Cheers,
Paul Szabo [E
is nonsense when logging in to the machine containing
my home dir. Settings that may be relevant to ftpd are:
[EMAIL PROTECTED]:~$ grep psz /etc/passwd
psz:x:1001:1001:Paul Szabo:/users/amstaff/psz:/bin/bash
[EMAIL PROTECTED]:~$ ls -l /etc/ftp*
-rw-r--r-- 1 root root 76 Apr 18 2002 /etc/ftpchro
dir on asti was
/users/amstaff/psz/root then on pisa I could set /user/amstaff/psz to
by a symlink to /, so asti would resolve that as /root.) I do not know
what misdeeds I can do by having an otherwise inaccessible cwd.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/
See also
http://lists.grok.org.uk/pipermail/full-disclosure/2006-August/049014.html
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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I suggest the patch below. Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
--- linux-ftpd-0.17/ftpd/popen.c.bak1999-07-16 11:12:54.0 +1000
+++ linux-ftpd-0.17/ftpd/popen.c
ted by /root
being mode 700. Much more fun if /root/bin was mode 777...
Please fix. Please issue DSA.
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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31129 psz3r DIR8,14096 228481 /root
Surely the directory /root should not be left open. This is not a major
security hole, but is a breach of privacy.
Cheers,
Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics Uni
n|stat|access)' x.out | grep -E -v '"/(usr|etc|var|lib)/'
strace -o x.out /usr/bin/gs -P x.ps >/dev/null 2>&1; grep -E
'^(open|stat|access)' x.out | grep -E -v '"/(usr|etc|var|lib)/'
The first two are identical: attempt to load various th
the same as was
for -P-, and that was accepted as a "grave" bug. (If anything, a lack
of -dSAFER is easier to exploit, with just the one PS file.)
If -dSAFER is ever a good idea, then now is a good a time to change.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://ww
quot;god intended".
> ... I choose to not change this for Squeeze, unless ... more
> concrete proof that the system is insecure ...
I cannot provide a more obvious way to attack gs... so for now I must
accept your decision.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.m
/faq/407-02.html
http://www.troubleshooters.com/linux/gs.htm
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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with
Ubuntu has now added the reference CVE-2010-3879 to
https://bugs.launchpad.net/bugs/670622 and marked in "confirmed".
Other interesting references:
https://bugzilla.redhat.com/show_bug.cgi?id=651183
https://bugzilla.novell.com/show_bug.cgi?id=651598
Cheers, Paul
Paul
magick, no need for more "mass bug filing".)
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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I do apologize if I misunderstood something, and done the wrong thing
yet again.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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Please let me know if I should check or debug something.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT
Dear Mehdi,
> We prefer targeted fixes ...
> ... we won't be able to review [gs 9.00] or accept it ...
Supposing that those "targeted fixes" may not happen. Would you then
release gs 8.71 with a grave (= RC) bug? Or would you drop gs, or delay
squeeze? I am genuinely curious
libXt.so.6
#19 0xf7c38a88 in XtAppMainLoop () from /usr/lib/i386-linux-gnu/libXt.so.6
#20 0x5657367e in ?? ()
#21 0x56561a82 in main ()
(gdb) quit
Please let me know if I should try or test something else.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of
I now notice that xpdf on a 64-bit (x86_64) machine can print,
the problem occurs on a 32-bit (i386) machine.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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(int) uid, errno, (int) getuid(), (int) geteuid());
exit(1);
}
if ((off = maillock(p, 15)) != 0)
{
printf("lockmailbox %s code %d errno=%d\n", p, off, errno);
}
mailunlock();
}
=
Thanks, Paul
Paul Szabo
./g and $h=~s/3(\d)/$1/g and
system "xauth add $h:$s $m $c";
exit'
to that script, somewhere before the
SESSIONFILES=$(run_parts $SYSSESSIONDIR)
block.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and
,
I am not sure whether logged-in sessions would quit also.
As a workaround, I will use squeeze GDM2 instead.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
-- System Information:
Deb
as information_schema already skipped in mysqlhotcopy).
The following one-line patch seems to have solved the problem for me.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
--- /usr
This issue seems related to bug#658264. Using the i386 package from
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=658264#64 seems to
solve the issue for me.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics
/html2ps/+bug/1130851
https://bugzilla.redhat.com/show_bug.cgi?id=822117
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
-- System Information:
Debian Release: 7.4
APT prefers stable
(?) bootmisc.sh is shown below.
I wonder whether bugs #510582 #510712 #546245 are now "done" and
could be closed.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
-- System Informati
Dear Raju,
At long last I remembered to test this...
The bug seems gone at wheezy, TeXmacs 1.0.7.15.
Please close this bug.
Thanks, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
--
To
/proc/iomem will let you
> locate your memory holes.
Thanks, that might explain it. Output of /proc/iomem below: sorry I do
not know how to interpret it.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics Universit
y reasonable workarounds ...
Only one workaround was proposed: use amd64.
PAE is buggy and useless, should be deprecated and removed.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
re 32-bit non-PAE HIGHMEM4G kernel would
work fine), and that one should definitely switch with over 4GB RAM.
There would be no need or use for PAE kernels, which should be dropped.
I think I agree.
Thanks, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Ma
free' shows total Mem
65854128 (up from 64447796 with PAE kernel), and I do not see much
change in /proc/iomem output (below). Is that as should be?
Thanks, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of S
s64 also prevents overflow with left-shift;
though normally these numbers are small and I never observed a 32-bit
overflow there.
(This patch does not solve the PAE OOM issue.)
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics
Ensure MAX_PAUSE is 4 or larger, so limits in
return clamp_val(t, 4, MAX_PAUSE);
(the only use of it) are not back-to-front.
(This patch does not solve the PAE OOM issue.)
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics
When calculating amount of dirtyable memory, min_free_kbytes should be
subtracted because it is not intended for dirty pages.
Using an "extern int" because that is the only interface to some such
sysctl values.
(This patch does not solve the PAE OOM issue.)
Paul Szabo p...@maths.u
() should add
or include NR_SLAB_RECLAIMABLE.
(This does not solve the PAE OOM issue.)
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
Reported-by: Paul Szabo
Reference: http://bugs.debian.org/695182
t; of the issue: it protects
against OOM when writing a few files, but does not protect when running
a few sleeps. I am coming back to the idea that this is some
signed-vs-unsigned or similar issue... though I could not find it yet!
---
Using the amd64 kernel seems a "workable" workaroun
patch is not needed on those newer kernels.
A question: what is the use or significance of vm_highmem_is_dirtyable?
It seems odd that it would be used in setting limits or threshholds, but
not used in decisions where to put dirty things. Is that so, is that as
should be? What is th
r 32GB RAM. Oddly the problem does not seem
to occur when using mem=32g or lower on the kernel boot line (or on
machines with less than 32GB RAM).
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of Sydney
quot; (not PAE but HIGHMEM4G)
kernel handles the same "sleep test" without any problems.
(Thus I now think that the remaining bug is not with writeback.)
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics Univ
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