[systemd-devel] Possible systemd segfault switching from 216 to 219 in fedora upgrade

[James Hogarth]

Hi,

I spent some time last night trying to track down the issue preventing
fedup from fedora 21 to 22:

https://bugzilla.redhat.org/show_bug.cgi?id=1185604

I'm pretty sure I've tracked it down to when switch-root is called and
systemd-219 gets executed being passed the serialised state of systemd-216
in the process.

Unfortunately when this occurs the whole system is brought to a halt making
further debugging tricky.

Any ideas on how I might reproduce on a reduced an BBS simplified testcase
for the behaviour involved?

There is strace of pid1 from just before the switch-root to the crash along
with coredumps that have been generated on the bug.

These tests were carried out with enforcing=0 at the kernel command line so
I'm reasonably confident the bug is not SELinux related.

Cheers,

James
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/systemd-devel/attachments/20150305/e13ffc49/attachment.html>