Description of problem: (Reported by Igor Lvovsky on RHEL 6.2 + libguestfs 1.16.15 from preview repository) > In [5]: guest.launch() > python: Objects/stringobject.c:115: PyString_FromString: Assertion `str != > ((void *)0)' failed. > Aborted Version-Release number of selected component (if applicable): libguestfs 1.16.15 on RHEL 6.2/6.3.
For a reproducer, see: https://bugzilla.redhat.com/show_bug.cgi?id=811649#c1
Can also reproduce this on libguestfs 1.17.27 on Fedora.
Fixed upstream: https://github.com/libguestfs/libguestfs/commit/0f7de2279a4af0bb259c9e36fca5e5c3aa835301
Fixed in 1.17.28.