dot2gxl, libcgraph segfault during rtest
Steps to reproduce
python3 -m pytest rtest
Actual Behaviour
in kernel log:
[56132.169570] dot2gxl[122522]: segfault at 68 ip 00007fa4cd065e71 sp 00007ffe636afc50 error 4 in libcgraph.so.6.0.0[7fa4cd060000+12000]
but
rtest/test_tools.py::test_tools[dot2gxl] PASSED
OS Version
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.4 LTS"
Graphviz Version
dot - graphviz version 2.43.0 (0)