and
net.core.wmem_maxvalues equally until the routing socket reports: No
buffer space available message no longer showed up.
[1] 1:4.2.6.p3+dfsg-1ubuntu3.4+20150820lp1481388~2
https://launchpad.net/~eric-desrochers-z/+archive/ubuntu/lp1481388
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** Patch removed: "debdiff for precise"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4452908/+files/lp1481388_precise.debdiff
** Patch removed: "debdiff for trusty"
Hi Mathew,
I have the knowledge of the code, I will rebase the debdiffs for V/T/P
Note: I checked and Xenial has the patch already.
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Here is the rebase debdiff for Trusty
** Patch added: "Rebase Trusty debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508494/+files/lp1481388_rebase_trusty.debdiff
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Here is the rebase debdiff for Precise
** Patch added: "Rebase Precise debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508496/+files/lp1481388_rebase_precise.debdiff
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Here is the rebase debdiff for Vivid
** Patch added: "Rebase Vivid debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508498/+files/lp1481388_rebase_vivid.debdiff
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** Tags removed: verification-needed
** Tags added: verification-done
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https://bugs.launchpad.net/bugs/1481388
Title:
NTP : Use-after-free in routing socket
Good evening Chris,
This bug has been brought to my attention by someone in the community.
Unfortunately, I never had a confirmation from him if the fix solve his
issue or not... but as state in comment #5 & #11, I've been able to
reproduce the problem and make sure it addressed the situation.
Good evening Mathew,
Does it mean I need to re-do the debdiffs ?
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Title:
NTP : Use-after-free in routing socket code
** Tags removed: verification-needed
** Tags added: verification-done
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Title:
NTP : Use-after-free in routing socket
Upstream bug:
---
bug #44078: Find fails if executed from a directory on which the user has no
list permissions and exec is an option used[1]
---
Fix:
---
commit 7dc70069a3095a42eadb22b24cb9260c243aff8f
Author: James Youngman
Date: Sat Apr 10 17:15:01 2010 +0100
Exec predicates
** Tags added: sts
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Title:
NTP : Use-after-free in routing socket code after dropping root
Status in NTP:
Fix
** Changed in: ntp (Ubuntu Precise)
Assignee: (unassigned) = Eric Desrochers (eric-desrochers-z)
** Changed in: ntp (Ubuntu Vivid)
Assignee: (unassigned) = Eric Desrochers (eric-desrochers-z)
** Changed in: ntp (Ubuntu Precise)
Status: New = Confirmed
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debdiff for precise
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Title:
NTP : Use-after-free in routing socket code after dropping root
Status in ntp package in
debdiff for precise
** Description changed:
+ [Impact]
+
+ * User experienced repeated segfaults at the same instruction pointer
+
+ i/o error on routing socket No buffer space available - disabling
+ segfault at 31 ip 0031 sp 79f11788 error 14 in
debdiff for precise
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Title:
NTP : Use-after-free in routing socket code after dropping root
Status in ntp package in
debdiff for precise
** Patch added: debdiff for precise
https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+attachment/4452908/+files/lp1481388_precise.debdiff
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** Changed in: ntp (Ubuntu Precise)
Importance: Undecided = Medium
** Changed in: ntp (Ubuntu Vivid)
Status: New = Confirmed
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I also noticed the situation can be reproduced at boot if the value of
net.core.rmem_default is too low.
I reproduced it by only lowering the net.core.rmem_default = 2000
value with 6 network interface at boot.
ntpd[851]: ntp_io: estimated max descriptors: 1024, initial socket boundary: 16
debdiff for trusty
** Patch added: 1:4.2.6.p5+dfsg-3ubuntu2.14.04.4
https://bugs.launchpad.net/ubuntu/precise/+source/ntp/+bug/1481388/+attachment/4453392/+files/lp1481388_trusty.debdiff
** Changed in: ntp (Ubuntu Trusty)
Status: Confirmed = In Progress
** Changed in: ntp (Ubuntu
** Changed in: ntp (Ubuntu Wily)
Importance: Low => Medium
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Title:
NTP : Use-after-free in routing socket code after
debdiff for Vivid
** Patch added: "debdiff for Vivid"
https://bugs.launchpad.net/ubuntu/precise/+source/ntp/+bug/1481388/+attachment/4455714/+files/lp1481388_vivid.debdiff
** Changed in: ntp (Ubuntu Vivid)
Status: Confirmed => In Progress
** Changed in: ntp (Ubuntu Vivid)
debdiff for wily
** Patch added: "debdiff for wily"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4456187/+files/lp1481388_wily.debdiff
** Changed in: ntp (Ubuntu Wily)
Status: Confirmed => In Progress
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debdiff for vivid
** Patch added: "debdiff for vivid"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4456186/+files/lp1481388_vivid.debdiff
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https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4455714/+files/lp1481388_vivid.debdiff
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Simon, you may want to add a few ethernet interfaces and static routes.
I was able to reproduce it with ~6 network interface.
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** Tags added: verification-done
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Title:
NTP : Use-after-free in routing socket
** Changed in: openldap (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1593378
Title:
crash in slap_bv2ad using repeated tags
The user that originally reported the issue on Ubuntu package have tested a
"Test package".
The "Test package" I have builded can be found here : ppa:slashd/fix1593378.
Users feedback :
"We tested the hotfix and looks like it works, the sldap on the CIC with
the fix didn`t crash."
Eric
**
** Description changed:
+ [Impact]
+
+ The effect of the bug on users is that the program (slapd) terminated
+ with signal SIGSEGV, Segmentation fault when ldapsearch tries to query
+ using multiple language tags.
+
+
+ GDB output:
+ ...
+ Core was generated by `/usr/sbin/slapd -h ldap://:389
Here's the debdiff for Trusty which is a cherry picked patch from
upstream VCS.
** Patch added: "lp1593378_trusty.debdiff"
https://bugs.launchpad.net/ubuntu/+source/openldap/+bug/1593378/+attachment/4687422/+files/lp1593378_trusty.debdiff
** Changed in: openldap (Ubuntu Trusty)
Public bug reported:
Core was generated by `/usr/sbin/slapd -h ldap://:389 ldap://:389/
ldapi:/// -g o'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 __strncasecmp_l_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:210
210 ../sysdeps/x86_64/multiarch/../strcmp.S: No
** Changed in: openldap (Ubuntu)
Importance: Undecided => Medium
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Title:
crash in slap_bv2ad using repeated tags
I think this upstream commit could be a possible candidate to fix that
issue :
commit 0659ef45d486b5daaafc020cb67b561a8029036d
Author: Howard Chu
Date: Thu Sep 18 00:33:33 2014 +0100
ITS#7941 fix for repeated tags
Make sure ntags isn't incremented if we're
line #272 checks for duplication and jumps to the done label (line #294)
when a duplicate is found.
The code increases 'ntags' without filling in the tags struct with values.
In later iterations this could lead to copying and using uninitialised memory.
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** Changed in: openldap (Ubuntu)
Assignee: (unassigned) => Eric Desrochers (slashd)
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Title:
cr
In frame #1
(gdb) p tags
$2 = {{bv_len = 7,
bv_val = 0x7f672c104866
"lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;lang-de;lang-encn;la"...},
{bv_len = 9,
** Changed in: openldap (Ubuntu Trusty)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Tags added: sts
** Changed in: openldap (Ubuntu Trusty)
Importance: Undecided => Medium
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To continue my previous comment...
It is reproducible with :
binfmt-support (2.1.6-1)
systemd(229-4ubuntu6)
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https://bugs.launchpad.net/bugs/1555760
I don't have the error "Too many levels of symbolic links" when doing an
"ls" command but I do have a problem using "df" on Xenial after
installing Openstack with lxd using "conjure-up"
"df" works fine, but after a reboot, it hangs.
A "strace df" shows that it hangs at doing :
..
** Tags removed: sts-sponsor
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Title:
crash in slap_bv2ad using repeated tags
Status in openldap package in Ubuntu:
It has been brought to my attention ...
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I confirm that the proposed testfix package resolved the issue on Trusty.
The test were made on test machines where the client had an iptable postrouting
nat forcing the source port to be under 123.
- ntpdate command performed on the client machine was
I confirmed the package"4.2.6.p3+dfsg-1ubuntu3.9" solved the problem in
Ubuntu Precise
NTP Version : 1:4.2.6.p3+dfsg-1ubuntu3.1
With no IPTABLES rule ==> Working
$ ntpdate x.x.x.x
11 Feb 16:15:19 ntpdate[1243]: adjust time server x.x.x.x offset 0.190571 sec
With IPTABLES rule ==> Not working
$
** Tags removed: verification-done
** Tags added: verification-done-trusty
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https://bugs.launchpad.net/bugs/1479652
Title:
[patch] ntpd rejects source UDP ports
I confirmed the package "4.2.6.p5+dfsg-3ubuntu8.2" solve the bug in
Ubuntu Wily
# With port <123 using ntpdate (without patch)
11 Feb 20:30:09 ntpdate[2348]: no server suitable for synchronization found
# With port <123 using ntpdate (including patch)
11 Feb 20:32:18 ntpdate[3243]: adjust time
** Changed in: ntp (Ubuntu Precise)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed in: ntp (Ubuntu Trusty)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed in: ntp (Ubuntu Wily)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed i
** Description changed:
[Impact]
If an NTP client sends a request with a source port less than 123, the
packet is silently ignored by ntpd. This is occurring in our environment
due to NAT.
[Test Case]
The problem can easily be reproduced by having an iptable postrouting
nat
** Description changed:
[Impact]
If an NTP client sends a request with a source port less than 123, the
packet is silently ignored by ntpd. This is occurring in our environment
due to NAT.
[Test Case]
The problem can easily be reproduced by having an iptable postrouting
nat
I have build a test package for the community to validate it solve the bug
before starting the SRU process [1].
The goal of this testfix is only to confirm that this solve the bug and it is
not a final solution.
Here's what has been brought to my attention about the test package I
have
** Tags added: sts
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Title:
[patch] ntpd rejects source UDP ports less than 123 as bogus
Status in NTP:
Fix Released
Patch
--
Distribution : Trusty (14.04)
Package version : ntp_4.2.6.p5+dfsg-3ubuntu2.14.04.8
--
Note: kick-d is currently working on a merge for Xenial, including this patch.
I'm including the .debdiffs for the other distributions (W/T/P) for once the
merge for Xenial will be completed.
**
** Description changed:
+ [Impact]
+
+ If an NTP client sends a request with a source port less than 123, the packet
is silently ignored by ntpd.
+ This is occurring in our environment due to NAT.
+
+ [Test Case]
+
+ The problem can easily be reproduced by having an iptable postrouting
+ nat
Patch
--
Distribution : Wily (15.10)
Package version : 4.2.6.p5+dfsg-3ubuntu8.2
--
** Patch added: "wily_4.2.6.p5+dfsg-3ubuntu8.2"
https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1479652/+attachment/4556354/+files/lp1479652_wily_8.2.debdiff
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Patch
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Distribution : Precise (12.04)
Package version : 4.2.6.p3+dfsg-1ubuntu3.9
--
** Patch added: "precise_ntp_4.2.6.p3+dfsg-1ubuntu3.9"
https://bugs.launchpad.net/ubuntu/precise/+source/ntp/+bug/1479652/+attachment/4556380/+files/lp1479652_precise_3.9.debdiff
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** Changed in: ntp (Ubuntu Xenial)
Status: New => In Progress
** Changed in: ntp (Ubuntu Wily)
Status: New => In Progress
** Changed in: ntp (Ubuntu Precise)
Status: New => In Progress
** Changed in: ntp (Ubuntu Trusty)
Status: New => In Progress
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The segmentation fault[1] is due to a NULL pointer dereference[2] at :
sudo-1.8.16/plugins/sudoers/pwutil.c[3]
[1] Core was generated by `sudo bash'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x7fa01c0a6944 in sudo_getgrgid (gid=7241)
at
** Tags removed: verification-needed
** Tags added: verification-done
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Title:
crash in slap_bv2ad using repeated
The following has been brought to my attention by a user :
"I got verification from the system test, the fix solves the ldap issue.
Thank you for the fix"
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Quick note saying that the work is still in progress
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Title:
isc-dhcp dhclient listens on extra random ports
As per a irc conversation with the SRU team (apw),
The existing krb5 (1.13.2+dfsg-5ubuntu1) has a regressing ADT test so it stuck
in -proposed.
Thus, preventing krb5 (1.13.2+dfsg-5ubuntu2) to land in -proposed.
SRU team are looking at this as we speak.
- Eric
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** Description changed:
== SRU JUSTIFICATION ==
[Impact]
* Chrome (and other things) crash (segfault) when Kerberos fails to
authenticate.
Thread 22 "Chrome_IOThread" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffdd687700 (LWP 14851)]
@dwmw2,
@Andrew Jorgensen,
or anyone else affected by this bug.
As you may have notice, there is currently a call for testing a proposed
version of the source package "krb5".
This is the last step before the package make its way into xenial-
updates (final destination)
Could you please try the
Great thanks Andrew !
** Tags removed: verification-needed
** Tags added: verification-done
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Title:
SPNEGO crash on
** Tags removed: sts-sponsor
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Title:
SPNEGO crash on mechanism failure
Status in krb5 package in Ubuntu:
Fix
** Changed in: zfs-linux (Ubuntu)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed in: zfs-linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: zfs-linux (Ubuntu)
Status: New => In Progress
** Tags added: sts
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I pulled the source code per version and rebase my debdiff on top of
"0.6.5.6-0ubuntu13".
Will attach the new debdiff in a couple of minutes.
Eric
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Rebased debdiff for Xenial (16.04 LTS)
** Patch added: "xenial_debdiff"
https://bugs.launchpad.net/ubuntu/xenial/+source/zfs-linux/+bug/1607920/+attachment/4750372/+files/lp_1607920_xenial.debdiff
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@scotte,
After some verification, I found out that cking uploaded a patch on Sept
26 on Xenial for another zfs-linux bug[1] using version
"0.6.5.6-0ubuntu13", which interfere with my debdiff.
"pull-lp-source" and "rmadison" didn't shown the existence of
"0.6.5.6-0ubuntu13".
I found it by
I removed the Xenial debdiff attached to this bug and I will re-do it
when current zfs-linux SRU for Xenial by cking will be completed.
Until then, the Yakkety debdiff is still fine and can be sponsored.
Eric
** Patch removed: "lp1607920_xenial.debdiff"
@apw
To answer your question:
"Also as you are changing MNTTAB is there any reason not to be using that here?"
The "reading" is redirected to /proc/self/mounts and the "writing" to
/etc/mtab, but if it doesn't exist, that's fine. ZFS just won't update
/etc/mtab.
Ideally, ZFS should be
@apw
With regard to the translation
The commit has been intensively tested in different scenarios/env/...
and of course with the "ZFS Test Suite"[1] which include functionality,
perf, and stress tests.
All the tests were reported as successful.
I hope this answer your questions and
Thanks scotte for the feedbacks.
** Tags added: verification-done
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Title:
zfs services fail on firstboot if
I jointly worked with the zfsonlinux maintainer on a patch that will be merged
in 0.7.0 milestone
https://github.com/zfsonlinux/zfs/milestone/11?closed=1
#4680, has been tackled in two parts. the first part (patch that will be
merge in 0.7.0), change from /etc/mtab to /proc/self/mounts, and keep
Potential]
- *
+ * none expected, patch has been merged upstream and ubuntu package has
+ been tested by people from the community.
+
+ [Other Info]
+
+ * Author: Eric Desrochers <eric.desroch...@canonical.com>
- [Other Info]
-
- * This can likely be resolved in the system
(see comment #7).
[Other Info]
- * Author: Eric Desrochers <eric.desroch...@canonical.com>
-
- * Origin:
https://github.com/zfsonlinux/zfs/commit/792517389fad5c495a2738b61c2e9c65dedaaa9a
+ * Author: Eric Desrochers <eric.desroch...@canonical.com>
- * Bug: https:
Debian bug :
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=839071
** Description changed:
[Impact]
* zfs services fail on firstboot if zfs-utils is integrated into the
deployment image.
* Output from systemd -
sudo systemctl --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
●
the problem (see comment #7).
+ * This is a upstream commit merge in 0.7.0.
+
+ * A ubuntu package has been tested (including the upstream commit) by a
+ user of the community facing this bug, and confirmed it addresses the
+ problem (see comment #7).
[Other Info]
-
- * Author: Eric Desrochers
debdiff for devel release : Yakkety (16.10)
** Changed in: zfs-linux (Ubuntu Xenial)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed in: zfs-linux (Ubuntu Xenial)
Status: New => In Progress
** Changed in: zfs-linux (Ubuntu Xenial)
Importance: Undecided =&g
As per irc conversation with apw, I'm merging both LPs #1607920 &
#1628279 into one debdiff.
** Patch added: "lp1607920_lp1628279_xenial.debdiff"
https://bugs.launchpad.net/ubuntu/xenial/+source/zfs-linux/+bug/1607920/+attachment/4753590/+files/lp1607920_lp1628279_xenial.debdiff
--
You
** Description changed:
[Impact]
* zfs services fail on firstboot if zfs-utils is integrated into the
deployment image.
* Output from systemd -
sudo systemctl --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
● zfs-import-scan.service loaded failed failed Import ZFS pools by device
Rectification, after more investigation here what is happening :
Trusty got the random port right away because NSUPDATE is enable at
compile time in package "isc-dhcp-client"
In Xenial and late (including debian) with commit
[b1d5bab630a29f2ca94c458f9402aa43cc5975c4], a new pkg binary package is
NSUPDATE is disabled in Xenial, will keep the same approach for Trusty
and then test.
More details can be found here :
xenial/isc-dhcp-4.3.3/debian/patches/disable-nsupdate.patch
description: undefine NSUPDATE
author: cchip
origin: http://forums.debian.net/viewtopic.php?f=10=95273
bug-debian:
Applying the Xenial "disable-nsupdate.patch" result in a failling build
in Trusty.
/<>/server/dhcpd.c:498: undefined reference to `trace_ddns_init'
dhcpd-failover.o: In function `dhcp_failover_process_bind_update':
/<>/server/failover.c:5225: undefined reference to `ddns_removals'
Seems like
The following debian[1] forum indicate that failover and tracing need to
be disabled in order to disable NSUPDATE as well and I confirmed the
steps, otherwise the build fails.
I'm not too sure if this is the right way to fix this problem as I don't
want to introduce new issues that will impact
Hi Richard,
Thanks for updating the bug with Dave's latest suggestion in order to
isolate this particular situation.
We will come back to you soon with the next steps.
Regards,
Eric
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So long story short, starting with Xenial you have the possibility to
install "isc-dhcp-client" which doesn't include the 2 extra port
bindings, but if you need it for Dynamic DNS (DDNS) you can optionally
install "isc-dhcp-client-ddns".
On Trusty, "isc-dhcp-client" combine both.
Will ask the
So long story short, starting with Xenial you have the possibility to
install "isc-dhcp-client" which doesn't include the 2 extra port
bindings, but if you need it for Dynamic DNS (DDNS) you can optionally
install "isc-dhcp-client-ddns".
On Trusty, "isc-dhcp-client" combine both, and AFAIK, I
I was able to identify from where the port range list is initialize, and the
decision is taken by binary package "libdns162" (source package "bind9")[1]
which dhclient relies on.
Basically, it randomly takes any port available between 1024 and 65535[2]
So there is a port randomization mechanism
After more investigation, it seems like the 2 extra port-bindings port
assignation decision is made by "libdns" itself.
https://github.com/wklaebe/bind9/blob/ac1dcdd124a5abdec4969e2c33836d863bf73aa7/lib/dns/dispatch.c#L1921
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> But perhaps it would be simpler to provide users a way to disable this
functionality manually? Is there any kind of runtime configuration
available?
At runtime, it doesn't seem to have a way, for instance, I already tried
the following without success: do-forward-updates false;
# man
** Tags removed: raring
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https://bugs.launchpad.net/bugs/1176046
Title:
isc-dhcp dhclient listens on extra random ports
Status in isc-dhcp package in
Sound similar to debian bug : https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=712503
The situation doesn't occur on Xenial (16.04 LTS), but present in Trusty
(14.04) as a fix has been first introduce in Ubuntu with version : isc-
dhcp (4.3.3-2)
Trusty :
#netstat -tulp | grep -i dhclient
udp
Then NSUPDATE has been re-enable with debian bug :
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798237
# changelog
isc-dhcp (4.3.3-4) unstable; urgency=medium
* Reenable NSUPDATE (closes: #798237)
I will look at both changes, but most likely the one in #798237 seems
more suitable for a
** Changed in: isc-dhcp (Ubuntu)
Status: Triaged => In Progress
** Changed in: isc-dhcp (Ubuntu)
Assignee: (unassigned) => Eric Desrochers (slashd)
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Hi scotte,
The fix is now released as shown in comment#25 & #26
Eric
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https://bugs.launchpad.net/bugs/1607920
Title:
zfs services fail on firstboot if
After a talk with stgraber, this is a due to the fact that the Ubuntu
LXC I build are using a pre-generated image which uses UTC by default.
If you want to change the time on Xenial, in my case date command or
other technic didn't have positive impact.
The only thing that work so far is to
LXC Container has been created as follow :
$ lxc-create -t download -n trusty -- --dist ubuntu --release trusty --arch
amd64
$ lxc-create -t download -n xenial -- --dist ubuntu --release xenial --arch
amd64
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Touch seeded
Public bug reported:
With regard to github bug :
---
adjust timezone to the host at creation time #47
https://github.com/lxc/lxc/issues/47
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I still can reproduce the problem on different HW running Xenial with
the LXC ubuntu image Trusty and Xenial.
* Bare metal (xenial)
$ date
Wed Oct 12
-ddns : dhclient with DDNS functionality enabled (with random
extra ports)
Eric
** Changed in: isc-dhcp (Ubuntu Trusty)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed in: isc-dhcp (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: isc-dhcp (Ubuntu
** Description changed:
+ [Impact]
+
+ In trusty, there is only 1 version of dhclient, including #define NSUPDATE,
which introduce DDNS functionnality.
+ The DDNS functionnality, generate 2 random extra ports between 1024-65535.
+
+ Impact reported by users :
+
+ "One impact of these random
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