Comment 21 for bug 1873607

No issues so far. Thanks for checking.

On May 20, 2020 5:30:40 PM CDT, Dan Streetman <email address hidden> wrote:
>@hcoin I assume no more segfaults with the updated pkg? can we mark
>this verified for eoan?
>
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>report.
>https://bugs.launchpad.net/bugs/1873607
>
>Title:
> systemd segv coredump, reboot/poweroff ignored.
>
>Status in systemd:
> Fix Released
>Status in systemd package in Ubuntu:
> Fix Released
>Status in systemd source package in Bionic:
> Fix Committed
>Status in systemd source package in Eoan:
> Fix Committed
>Status in systemd source package in Focal:
> Fix Committed
>Status in systemd source package in Groovy:
> Fix Released
>
>Bug description:
> [impact]
>
> during systemctl daemon-reload, systemd sometimes segfaults while
> serializing a service.
>
> [test case]
>
> problem is intermittent, but the upstream bug suggests a reproducer.
> Also see original description.
>
> [regression potential]
>
> this adjusts serialization, so any regression would likely occur
> during serialization/deserialization, e.g. at daemon-reload.
>
> [scope]
>
> This is needed for Bionic and later.
>
> this was introduced by commit e266c068b5597e18b2299f9c9d3ee6cf04198c41
> which is included starting in v234. The commit to fix it is
> e9da62b18af647bfa73807e1c7fc3bfa4bb4b2ac which is not yet included in
> any release.
>
> The PR to fix this is https://github.com/systemd/systemd/pull/15546
>
> [other info]
>
>there is an additional PR that further avoids the error, but has not
>yet been accepted, and may not be accepted as it may not be necessary.
> https://github.com/systemd/systemd/pull/15370
>
> [original description]
>
> Proximate syslog:
>
>Apr 18 16:26:56 gate2 rssmonitor.py[2001]: settings: Running: ip -all
>netns del
>Apr 18 16:26:56 gate2 systemd[1]: /lib/systemd/system/dbus.socket:4:
>ListenStream= references a path below legacy directory /var/run/,
>updating /var/run/dbus/system_bus_socket → /r
> un/dbus/system_bus_socket; please update the unit file accordingly.
>Apr 18 16:26:56 gate2 systemd[1]: /lib/systemd/system/sssd.service:11:
>PIDFile= references a path below legacy directory /var/run/, updating
>/var/run/sssd.pid → /run/sssd.pid; plea
> se update the unit file accordingly.
>Apr 18 16:26:56 gate2 systemd[1]:
>/lib/systemd/system/oddjobd.service:6: PIDFile= references a path below
>legacy directory /var/run/, updating /var/run/oddjobd.pid →
>/run/oddjobd.p
> id; please update the unit file accordingly.
>Apr 18 16:26:56 gate2 systemd[1]:
>/lib/systemd/system/fail2ban.service:12: PIDFile= references a path
>below legacy directory /var/run/, updating
>/var/run/fail2ban/fail2ban.pid → /r
> un/fail2ban/fail2ban.pid; please update the unit file accordingly.
>Apr 18 16:26:56 gate2 systemd[1]:
>/lib/systemd/system/certmonger.service:6: PIDFile= references a path
>below legacy directory /var/run/, updating /var/run/certmonger.pid →
>/run/cer
> tmonger.pid; please update the unit file accordingly.
> Apr 18 16:26:56 gate2 systemd[1]: Reloading.
>Apr 18 16:26:56 gate2 kernel: [ 454.966336] systemd[1]: segfault at 50
>ip 000055946ed0d6f0 sp 00007fff8409d210 error 4 in
>systemd[55946ecb4000+ae000]
>Apr 18 16:26:56 gate2 kernel: [ 454.966354] Code: a8 48 8b 75 a0 c7 45
>ac 00 00 00 00 48 8b 94 c7 a0 04 00 00 48 89 45 88 48 89 f0 48 39 d6 74
>17 66 2e 0f 1f 84 00 00 00 00 00 <48
> > 8b 40 50 83 45 ac 01 48 39 c2 75 f3 48 8b 45 a0 31 db 4c 8d 7d
>Apr 18 16:26:56 gate2 rssmonitor.py[1213]: rssmain: Ran OK: systemctl
>daemon-reload
>Apr 18 16:26:57 gate2 rssmonitor.py[1213]: rssmain: Running: systemctl
>enable rssmonitor.service
> Apr 18 16:27:23 gate2 sssd[nss]: Enumeration requested but not enabled
>Apr 18 16:27:24 gate2 kernel: [ 482.503042] printk: systemd: 43 output
>lines suppressed due to ratelimiting
>Apr 18 16:27:24 gate2 systemd[1]: Caught <SEGV>, dumped core as pid
>2034.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 19.10
> Package: systemd 242-7ubuntu3.7
> ProcVersionSignature: Ubuntu 5.3.0-46.38-generic 5.3.18
> Uname: Linux 5.3.0-46-generic x86_64
> ApportVersion: 2.20.11-0ubuntu8.8
> Architecture: amd64
> Date: Sat Apr 18 18:09:06 2020
> InstallationDate: Installed on 2019-11-01 (169 days ago)
>InstallationMedia: Ubuntu-MATE 19.10 "Eoan Ermine" - Release amd64
>(20191017)
> Lsusb:
>  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>  Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>  Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
> ProcEnviron:
>  SHELL=/bin/bash
>  LANG=en_US.UTF-8
>  TERM=xterm-256color
>  XDG_RUNTIME_DIR=<set>
>  PATH=(custom, no user)
>ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-5.3.0-46-generic
>root=UUID=82254a10-a9e1-4459-aba0-7876df48d9da ro rootflags=subvol=@
>quiet splash vt.handoff=7
> SourcePackage: systemd
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 04/01/2014
> dmi.bios.vendor: SeaBIOS
> dmi.bios.version: 1.12.0-1
> dmi.chassis.type: 1
> dmi.chassis.vendor: QEMU
> dmi.chassis.version: pc-i440fx-cosmic
>dmi.modalias:
>dmi:bvnSeaBIOS:bvr1.12.0-1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-cosmic:cvnQEMU:ct1:cvrpc-i440fx-cosmic:
> dmi.product.name: Standard PC (i440FX + PIIX, 1996)
> dmi.product.version: pc-i440fx-cosmic
> dmi.sys.vendor: QEMU
> mtime.conffile..etc.systemd.resolved.conf: 2020-04-18T10:41:34.662328
>
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