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I/o Error On Routing Socket No Buffer Space Available

connection may be looped because of this. The second error ("error monitoring device for netlink events: error processing netlink message: Out of memory") happens directly as a result of a memory allocation failure. start_secondary+0x1d5/0x1db Feb 4 05:19:59 paladin kernel: [605923.153035] ---[ end trace e86c01c9a1021623 ]--- permalinkembedsaveparentgive gold[–]rrohbeck 2 points3 points4 points 1 year ago(0 children)That looks like a hardware or driver boo-boo. A few minute/seconds after a start attempts we can see the following in syslog: Jul 1 05:33:28 svpr-stk67 ntpd[2729]: peers refreshed Jul 1 05:33:28 svpr-stk67 ntpd[2729]: Listening on routing socket on fd #49 for interface updates Jul 1 05:36:32 svpr-stk67 ntpd[2729]: i/o error on routing socket No buffer space available - disabling Jul 1 05:36:32 svpr-stk67 kernel: [157516.495224] ntpd[2729]: segfault at 31 ip 0000000000000031 sp 00007ffff9f11788 error 14 in libpthread-2.15.so[7f967a5d9000+18000] OS: Ubuntu 12.04.4 LTS Kernel: 3.11.0-19-generic I tried to compare it to other servers, and the only thing I could find that is different is that while it's up (before it crashes) I can see the following when running "lsof | grep ntp": ntpd 2729 ntp 49u sock 0,7 0t0 2473952565 can't identify protocol. ** Affects: ntp (Ubuntu) Importance: Undecided Assignee: eric.desrochers (eric-desrochers-z) Status: New ** Changed in: ntp (Ubuntu) Assignee: (unassigned) => eric.desrochers (eric-desrochers-z) ** Summary changed: - Use-after-free in routing socket code after dropping root + NTP : Use-after-free in routing socket code after dropping root -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to ntp in Ubuntu. this content

Did you check for differences in the DHCP traffic? e1000e-2.5.4-NAPI It appears that your system is actually out of memory? Would this be a "network behaving horribly" issue or a "driver has a bug" issue? total used free shared buffers cached Mem: 1291024 158592 1132432 0 66764 34464 -/+ buffers/cache: 57364 1233660 Swap: 530104 0 530104 *sigh* I dunno wut to do guys....all it says is that connect: no buffer space available... official site

I've slightly modified the whitespace in the changelog and have added the bug number, and have uploaded it to wily, and to the other releases for processing by the SRU team. Thank you in advance! Thank you in advance!

So I think I will have to bear with this inconvenience if it is LIsa that is causing all the trouble. Changed in ntp (Ubuntu Precise): status: Fix Committed → In Progress Changed in ntp (Ubuntu Trusty): status: Fix Committed → In Progress Changed in ntp (Ubuntu Vivid): status: Fix Committed → In Progress Eric Desrochers (slashd) wrote on 2015-10-28: #37 Good evening Mathew, Does it mean I need to re-do the debdiffs ? At this stage I would start googling errors and see if I found anything useful. Thanks to carl0ski.

If the attachment isn't apatch, please remove the "patch" flag from the attachment, remove the"patch" tag, and if you are member of the ~ubuntu-sponsors, unsubscribethe team.[This is an automated message performed by a Launchpad user owned by~brian-murray, for any issue please contact him.]** Tags added: patch--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Eric Desrochers 2015-08-27 14:28:36 UTC PermalinkRaw Message 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: 16ntpd[851]: Listen and drop on 0 v4wildcard 0.0.0.0 UDP 123ntpd[851]: Listen and drop on 1 v6wildcard :: UDP 123ntpd[851]: Listen normally on 2 eth1 192.168.1.10 UDP 123ntpd[851]: Listen normally on 3 eth2 192.168.2.10 UDP 123ntpd[851]: Listen normally on 4 eth3 192.168.3.10 UDP 123ntpd[851]: Listen normally on 5 eth4 192.168.4.10 UDP 123ntpd[851]: Listen normally on 6 eth5 192.168.5.10 UDP 123ntpd[851]: Listen normally on 7 eth6 192.168.6.10 UDP 123ntpd[851]: peers refreshedntpd[851]: Listening on routing socket on fd #24 for interface updatesntpd[851]: Deferring DNS for 0.ubuntu.pool.ntp.org 1ntpd[851]: Deferring DNS for 1.ubuntu.pool.ntp.org 1ntpd[851]: Deferring DNS for 2.ubuntu.pool.ntp.org 1ntpd[851]: Deferring DNS for 3.ubuntu.pool.ntp.org 1ntpd[851]: Deferring DNS for ntp.ubuntu.com 1ntpd[864]: signal_no_reset: signal 17 had flags 4000000===> ntpd[851]: i/o error on routing socket No buffer space available - disabling <===--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Eric Desrochers 2015-08-27 14:38:16 UTC PermalinkRaw Message 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 Trusty)Importance: Undecided => Medium--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Eric Desrochers 2015-09-01 15:21:41 UTC PermalinkRaw Message 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)Importance: Undecided => Medium--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Eric Desrochers 2015-09-02 14:21:13 UTC PermalinkRaw Message ** Patch removed: "debdiff for Vivid"https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4455714/+files/lp1481388_vivid.debdiff--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Eric Desrochers 2015-09-02 14:35:02 UTC PermalinkRaw Message debdiff for vivid** Patch added: "debdiff for vivid"https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4456186/+files/lp1481388_vivid.debdiff--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Eric Desrochers 2015-09-02 14:35:39 UTC PermalinkRaw Message 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--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Eric Desrochers 2015-09-02 14:56:00 UTC PermalinkRaw Message ** Changed in: ntp (Ubuntu Wily)Importance: Low => Medium--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Marc Deslauriers 2015-09-15 11:50:48 UTC PermalinkRaw Message ** Bug watch added: Debian Bug tracker #795315http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=795315** Also affects: ntp (Debian) viahttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=795315Importance: UnknownStatus: Unknown** Bug watch added: bugs.ntp.org/ #2224http://bugs.ntp.org/show_bug.cgi?id=2224** Also affects: ntp viahttp://bugs.ntp.org/show_bug.cgi?id=2224Importance: UnknownStatus: Unknown--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Marc Deslauriers 2015-09-15 12:29:02 UTC PermalinkRaw Message ACK on the debdiffs, thanks!I've slightly modified the whitespace in the changelog and have addedthe bug number, and have uploaded it to wily, and to the other releasesfor processing by the SRU team.** Tags removed: verification-done** Changed in: ntp (Ubuntu Wily)Status: In Progress => Fix Committed--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Launchpad Bug Tracker 2015-09-15 13:23:59 UTC PermalinkRaw Message This bug was fixed in the package ntp - 1:4.2.6.p5+dfsg-3ubuntu7---------------ntp (1:4.2.6.p5+dfsg-3ubuntu7) wily; urgency=medium* Fix use-after-free in routing socket code (LP: #1481388)- debian/patches/use-after-free-in-routing-socket.patchfix logic in ntpd/ntp_io.c* Fix to ignore ENOBUFS on routing netlink socket- debian/patches/ignore-ENOBUFS-on-routing-netlink-socket.patchfix logic in ntpd/ntp_io.c-- Eric Desrochers <***@canonical.com> Wed, 02 Sep 201509:57:16 -0400** Changed in: ntp (Ubuntu Wily)Status: Fix Committed => Fix Released--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Launchpad Bug Tracker 2015-09-15 22:25:57 UTC PermalinkRaw Message ** Branch linked: lp:ubuntu/ntp--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Bug Watch Updater 2015-09-16 14:53:04 UTC PermalinkRaw Message Launchpad has imported 8 comments from the remote bug athttp://bugs.ntp.org/show_bug.cgi?id=2224.If you reply to an imported comment from within Launchpad, your commentwill be sent to the remote bug automatically. GBiz is too! 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(Wed, 12 Aug 2015 21:06:05 GMT) Full text and rfc822 format available.

run_timer_softirq+0x19a/0x261 Feb 4 05:19:59 paladin kernel: [605923.152907] [] ? koodoo View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by koodoo 11-20-2005, 07:08 PM #9 ImAnEwBiE Member Registered: Jul 2003 Location: Philippines Posts: 31 Rep: same problem!!! Problem I am facing > is if I enable wired connection to connect to my laptop, I am not able to > access internet as wired connection is also used for internet. FYI, many of those interfaces a vnetX interfaces belonging to VMs so I don't know if they really count.

Here's the output of free with gmplayer running : Code: [email protected]:~$ free total used free shared buffers cached Mem: 248020 244756 3264 0 6220 122936 -/+ buffers/cache: 115600 132420 Swap: 530104 4844 525260 Yes, I'll have to agree with Linux.tar.gz in that Gmplayer is buggy. Run command: ntpd --user=ntpd:ntpd --logfile=/var/log/ntpd.log It runs for some seconds and then is segfaults. Affecting: ntp (Ubuntu) Filed here by: Eric Desrochers When: 2015-08-04 Confirmed: 2015-08-06 Assigned: 2015-08-04 Started work: 2015-09-02 Completed: 2015-09-15 Target Distribution Baltix BOSS Juju Charms Collection Elbuntu Guadalinex Guadalinex Edu Kiwi Linux nUbuntu PLD Linux Tilix tuXlab Ubuntu Ubuntu Linaro Evaluation Build Ubuntu RTM Package (Find…) Project (Find…) Status Importance Fix Released Medium Assigned to Me Eric Desrochers (slashd) Comment on this change (optional) Email me about changes to this bug report Precise Fix Released Medium Eric Desrochers Edit You need to log in to change this bug's status. permalinkembedsaveparentgive gold[–]datacenter_minion 0 points1 point2 points 1 year ago(1 child) error processing netlink message: Out of memory What's the memory load on that system?

Debian Bug tracker #795315 bugs.ntp.org/ #2224 URL: The information about this bug in Launchpad is automatically pulled daily from the remote bug. How To Ask Questions The Smart Way If your question has been answered, please mark your thread as [Resolved], use the flair drop-down on your submission to do so! When you are in this situation, what is the output of: ps -aux | grep NetworkManager cat /proc/meminfo | grep Mem ? If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed.

I already did that in sysctl.conf, so I'll report back if it happens again. This information was last pulled 23 hours ago. Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . http://orgias.org/i-o-error/i-o-error-while-creating-socket-mail-delivery-failed.html When you are in this situation, what is the output of: ps -aux | grep NetworkManager cat /proc/meminfo | grep Mem ?

The additional debugging paste is short enough to include directly in the comments: ==24767== Invalid read of size 8 ==24767== at 0x411048: input_handler (ntp_io.c:3621) ==24767== by 0x414B84: ntpdmain (ntpd.c:1078) ==24767== by 0x406448: main (ntpd.c:356) ==24767== Address 0x5e897f0 is 0 bytes inside a block of size 32 free'd ==24767== at 0x4C26649: free (in /lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==24767== by 0x411072: input_handler (ntp_io.c:3619) ==24767== by 0x414B84: ntpdmain (ntpd.c:1078) ==24767== by 0x406448: main (ntpd.c:356) The code in question is: #ifdef HAS_ROUTING_SOCKET /* * scan list of asyncio readers - currently only used for routing sockets */ asyncio_reader = asyncio_reader_list; while (asyncio_reader != NULL) { if (FD_ISSET(asyncio_reader->fd, &fds)) { ++select_count; (asyncio_reader->receiver)(asyncio_reader); /*3619 */ } asyncio_reader = asyncio_reader->link; /* 3621 */ } #endif /* HAS_ROUTING_SOCKET */ line 3619 is calling process_routing_msgs() which, after root is dropped, is noticing a failed read or other error and removing the entry from asyncio_reader_list and free()ing it, triggering the valgrind catch. Please help us by testing this new package. Eric Desrochers (slashd) wrote on 2015-10-29: #40 Rebase Trusty debdiff Edit (2.4 KiB, text/plain) Here is the rebase debdiff for Trusty Eric Desrochers (slashd) wrote on 2015-10-29: #41 Rebase Precise debdiff Edit (2.4 KiB, text/plain) Here is the rebase debdiff for Precise Eric Desrochers (slashd) wrote on 2015-10-29: #42 Rebase Vivid debdiff Edit (2.4 KiB, text/plain) Here is the rebase debdiff for Vivid Eric Desrochers (slashd) on 2015-11-05 tags: added: sts Sebastien Bacher (seb128) wrote on 2015-11-10: #43 sponsored to precise/trusty/vivid (though i'm unsure vivid is useful since it's not the current stable) Chris J Arges (arges) wrote on 2015-11-11: #44 Hello Eric, or anyone else affected, Accepted ntp into trusty-proposed.

Comment on this change (optional) Email me about changes to this bug report ntp (Debian) Edit Fix Released Unknown debbugs #795315 You need to log in to change this bug's status.

Bjørn - -- System Information: Debian Release: 8.1 APT prefers stable APT policy: (990, 'stable'), (500, 'stable-updates') Architecture: amd64 (x86_64) Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages ntp depends on: ii adduser 3.113+nmu3 ii dpkg 1.17.25 ii libc6 2.19-18 ii libcap2 1:2.24-8 ii libedit2 3.1-20140620-2 ii libopts25 1:5.18.4-3 ii libssl1.0.0 1.0.1k-3+deb8u1 ii lsb-base 4.1+Debian13+nmu1 ii netbase 5.3 Versions of packages ntp recommends: ii perl 5.20.2-3+deb8u1 Versions of packages ntp suggests: pn ntp-doc - -- Configuration Files: /etc/ntp.conf changed [not included] - -- no debconf information -----BEGIN PGP SIGNATURE----- iEYEARECAAYFAlXLsagACgkQ10rqkowbIslbHACggNnbyKGLqSBGeW2dkZ44hjSo Gv4AoJEt7M9El3pa1oaDUolNYc69Rqaj =sL1Q -----END PGP SIGNATURE----- Information forwarded to [email protected], Debian NTP Team : Bug#795315; Package ntp. (Wed, 12 Aug 2015 22:12:05 GMT) Full text and rfc822 format available. GNOME.org Home Mailing Lists List Archives Search Re: tracking source of error message From: Dan Williams To: skendric Cc: NetworkManager-list gnome org Subject: Re: tracking source of error message Date: Fri, 03 Jan 2014 12:03:01 -0600 On Wed, 2014-01-01 at 08:48 -0800, skendric wrote: I'm seeing the following in syslog: Jan 1 06:36:34 guru kernel: [52348.129747] device eth0 left promiscuous mode Jan 1 06:36:36 guru NetworkManager[1326]: error monitoring device for netlink events: No buffer space available Jan 1 06:36:36 guru NetworkManager[1326]: error monitoring device for netlink events: error processing netlink message: Out of memory Jan 1 06:36:36 guru ntpd[6432]: i/o error on routing socket No buffer space available - disabling Jan 1 06:37:31 guru sshd[6503]: Accepted publickey for xxx from x.x.x.x port 51090 ssh2 [...] Jan 1 06:44:22 guru kernel: [52816.295018] device eth0 left promiscuous mode Jan 1 06:45:06 guru NetworkManager[1326]: error monitoring device for netlink events: error processing netlink message: Out of memory Jan 1 06:52:01 guru CRON[6633]: pam_unix(cron:session): session opened for user root by (uid=0) Poking through src, I can see that NetworkManager generated these from nm_netlink_monitor.c using log_error_limited() [...] log_error_limited (NMNetlinkMonitor *monitor, guint32 code, const char *fmt, ...) { [...] if ((code != rl_code) || (now > rl_time + 10)) { va_start (args, fmt); msg = g_strdup_vprintf (fmt, args); va_end (args); nm_log_warn (LOGD_HW, "error monitoring device for netlink events: %s\n", msg); [...] But NetworkManager is just transporting the actual error messages ('No buffer space available' and 'error processing netlink message: out of memory') How might I continue working backward, to figure out what sent these error messages to NetworkManager?mailing kernel 3.8.0-34-generic #49~precise1 (LTS 12.04.3). Changing the date doesn't do anything other than change the date. Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community.

This bug was fixed by upstream several > years ago. They're both on the same VLAN and subnet, which are controlled by the lab admin and not the switch they're connected to (which I control). smp_apic_timer_interrupt+0x74/0x82 Feb 4 05:19:59 paladin kernel: [605923.152968] [] ? Click Here to receive this Complete Guide absolutely free.

After disabling LISa (lisa-home.sourceforge.net), I have resolved this issue. timekeeping_get_ns+0xd/0x2a Feb 4 05:19:59 paladin kernel: [605923.152923] [] ? __do_softirq+0xb9/0x177 Feb 4 05:19:59 paladin kernel: [605923.152933] [] ? Dan _______________________________________________ networkmanager-list mailing list [email protected] https://mail.gnome.org/mailman/listinfo/networkmanager-list

vvv Home | News | Sitemap | FAQ | advertise | OSDir is an Inevitable website. NetworkManager 0.9.4.0 > ...

Eric Desrochers (slashd) on 2015-11-16 tags: added: verification-doneremoved: verification-needed Brian Murray (brian-murray) on 2015-11-19 tags: added: verification-done-trusty verification-neededremoved: verification-done Eric Desrochers (slashd) on 2015-12-10 tags: added: verification-doneremoved: verification-needed Launchpad Janitor (janitor) wrote on 2015-12-10: #48 This bug was fixed in the package ntp - 1:4.2.6.p5+dfsg-3ubuntu6.3 --------------- ntp (1:4.2.6.p5+dfsg-3ubuntu6.3) vivid; urgency=medium * Fix use-after-free in routing socket code (closes: #795315) - debian/patches/use-after-free-in-routing-socket.patch: fix logic in ntpd/ntp_io.c (LP: #1481388) -- Eric Desrochers

Speaking of which, it's been 2.5 years since 4.2.7 forked from 4.2.6. You can potentially help others having the same problem! Please let me know if I'm doing something wrong. eg: Win7 <----> F20 <----> WWAN If this is the case, what you want to do is set the ethernet connection to the "Shared" method in nm-connection-editor, which will cause NetworkManager to start a DHCP server and proxy DNS server on the ethernet connection, and then NAT the ethernet over to the WWAN to provide connectivity.

Eric Desrochers (slashd) wrote on 2015-10-28: #39 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. You can easily run the jessie kernel with wheezy or even one from experimental. In either case, details of your testing will help us make a better decision. Happens only when I have configured it with --enable-clockctl alone.

You won't be able to vote or comment. 101112Lab network at work: machine loses ability to get DHCP lease every Wednesday (self.linuxquestions)submitted 1 year ago by takeshita_kenjiI have a machine on our lab network running Debian 7 and it seems to lose its ability to even get a DHCP lease every Wednesday. I was able to reproduce it with ~6 network interface. warn_slowpath_fmt+0x45/0x4a Feb 4 05:19:59 paladin kernel: [605923.152878] [] ? Please let me know if I'm doingsomething wrong.--You received this bug notification because you are a member of UbuntuBugs, which is subscribed to Ubuntu.https://bugs.launchpad.net/bugs/1481388Title:NTP : Use-after-free in routing socket code after dropping rootTo manage notifications about this bug go to:https://bugs.launchpad.net/ntp/+bug/1481388/+subscriptions--ubuntu-bugs mailing listubuntu-***@lists.ubuntu.comhttps://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs Simon Déziel 2015-10-27 17:06:15 UTC PermalinkRaw Message Eric, I've been running the proposed version on many systems and haven'tfound any regression.

Given the relatively small impact of this bug, I'm still inclined to prefer avoiding another 4.2.6 release. The next step, would be to increase the "net.core.rmem_max" and "net.core.wmem_max" values equally until the "routing socket reports: No buffer space available" message no longer showed up. [Other Info] NTP upstream (https://github.com/ntp-project/ntp.git) [Bug 2224] Use-after-free in routing socket code after dropping root. - Commit: d6df9d3 [Bug 2890] Ignore ENOBUFS on routing netlink socket. - Commit: db47bd4 The use-after-free bug has been fix in Debian release (closes: #795315) Will submit the ignore-ENOBUFS-on-routing-netlink-socket in Debian in the next days. [Original Description] We have 1 server (among hundreds) that its ntp service is crashing.