Bug#780675: systemd: segfault in systemd when running systemctl daemon-reload

Michael Biebl biebl at debian.org
Tue Mar 17 17:52:48 GMT 2015


control: tags -1 moreinfo
control: tags -1 unreproducible

Am 17.03.2015 um 18:14 schrieb Robert Pumphrey:
> Package: systemd
> Version: 215-12
> Severity: critical
> Justification: breaks the whole system
> 
> Dear Maintainer,
> 
> running systemctl daemon-reload causes systemd to segfault :
> 
> root at host:~# systemctl daemon-reload
> 
> Message from syslogd at host at Mar 17 16:41:53 ...
>  kernel:[  758.716467] systemd[1]: segfault at 7f8d3e4422a0 ip 00007f8d3e4422a0 sp 00007ffd3c533458 error 15
> Failed to execute operation: Connection reset by peer
> 
> I have disabled as many services as possible, but still get the error.
> I have not been able to reproduce on another machine

Can you reproduce the step, how you got this crash? Did this happen once
or multiple times?

> I have not been able to change the settings on this machine to allow daemon-reload to work
> 
> Once the segfault happens, systemd not longer responsds to systemctl status
> Unable to get systemd back into a state where it will respond to systemctl status without a reboot
> 
> This has been triggered by attempting to upgrade some packages (eg. sudo) whose postrm script calls systemctl --system daemon-reload

If systemd dies, it will freeze and no longer reacts to any requests. So
systemctl status etc no longer working, is expected.
You should still be able to reboot in a somewhat ordered fashion via
"reboot --force"

systemd should have generated a core dump as /core.

Please install systemd-dbg and gdb and then run

gdb --core=/core /lib/systemd/systemd

The type "set logging on" and run "bt full" afterwards and attach
gdb.txt to the bug report.


-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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