hw/rdma/vmw/pvrdma_cmd.c in QEMU allows create_cq and create_qp memory leaks because errors are mishandled.
https://usn.ubuntu.com/3923-1/
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02824.html
http://www.securityfocus.com/bid/106298
http://www.openwall.com/lists/oss-security/2018/12/19/4
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.html