Your message dated Wed, 1 Jun 2022 12:06:10 +0200
with message-id <Ypc6Er5w49efp5lc@bartik>
and subject line Re: Bug#995242: isc-dhcp-server: omshell returns inconsistent
results or segfaults
has caused the Debian Bug report #995242,
regarding isc-dhcp-server: omshell returns inconsistent results or segfaults
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
995242: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=995242
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: isc-dhcp-server
Version: 4.4.1-2.3
Severity: grave
Justification: renders package unusable
-- System Information:
Debian Release: 11.0
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 5.10.0-8-amd64 (SMP w/2 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=ANSI_X3.4-1968)
(ignored: LC_ALL set to C), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages isc-dhcp-server depends on:
ii debconf [debconf-2.0] 1.5.77
ii debianutils 4.11.2
ii libc6 2.31-13
ii libdns-export1110 1:9.11.19+dfsg-2.1
ii libirs-export161 1:9.11.19+dfsg-2.1
ii libisc-export1105 1:9.11.19+dfsg-2.1
ii lsb-base 11.1.0
Versions of packages isc-dhcp-server recommends:
ii isc-dhcp-common 4.4.1-2.3
ii policycoreutils 3.1-3
Versions of packages isc-dhcp-server suggests:
pn isc-dhcp-server-ldap <none>
pn policykit-1 <none>
-- Configuration Files:
/etc/dhcp/dhcpd.conf changed [not included]
-- debconf information excluded
-- To Reproduce --
Two DHCP servers need to be configured as failover peers.
Issue the following commands using omshell
# omshell
> server localhost
> port 7911
> key omapi_key <the key>
> connect
Segmentation fault (core dumped)
Note, the connect works occasionally after a cold server restart, but
once the failure starts there is no recovery. The connect does not
always result is a segfault. Frequently the connect just hangs.
example from 'dmesg' output:
[Tue Sep 28 11:05:22 2021] omshell[4604]: segfault at 0 ip 000055623cdd06dc sp
00007ffd5a2c7c78 error 4 in omshell[55623cd97000+45000]
--- End Message ---
--- Begin Message ---
Version: 4.4.3-1
On Wed, 18 May 2022 08:50:00 +0200 =?UTF-8?Q?Stefan_B=c3=bchler?=
<stefan.bueh...@tik.uni-stuttgart.de> wrote:
> Hi,
>
> On Tue, 10 May 2022 10:13:11 +0200 Santiago Ruano =?iso-8859-1?Q?Rinc=F3n?=
> <santiag...@riseup.net> wrote:
> > Control: forwarded -1 https://gitlab.isc.org/isc-projects/dhcp/-/issues/167
> >
> > On Mon, 7 Mar 2022 14:41:23 -0800 Harris Enniss <henn...@google.com> wrote:
> > > We encountered this as well. It seems to be an issue with the way debian's
> > > fork is linked against system bind libraries (i.e. libiscexport-1105);
> > > segfaults disappear once we link them statically, as the isc sources do.
> >
> > The latest release (4.4.3-1) removed that bind against bind system
> > libraries. Are you able to confirm this bug disappeared with it?
>
> I observed this issue as well (context: foreman, dhcp only used to
> deploy new systems, i.e. leases file usually empty).
>
> omshell crashed in about 9 out of 10 times (in various stages) - can't
> be that hard to reproduce.
>
> Installing the testing package on stable sucks, because it wants libc6
> from testing, so I "backported" it locally:
>
> sbuild -d bullseye-backports -c bullseye-amd64-sbuild
> --append-to-version='~bpo10+1' isc-dhcp_4.4.3-1.dsc -e 'me
> <m...@example.com>' -m 'me <m...@example.com>'
>
> Worked fine so far - omshell seems to be fixed.
>
> cheers,
> Stefan
Thank you for testing!
-- Santiago
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