Linux Host : Kernel 5.8-rc1/rc2. vmware-modconfig segfaults. vmware runtime causes system reboot when Guest VM start is attempted

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On x86_64 systems, Fedora 32, VMware Workstation 15.5.6 with latest vmmon/vmnet patches.  

Host system Kernels tested are 5.8-rc1 and 5.8-rc2 (kernel.org), and Fedora 5.8.0-0.rc1.20200617git69119673bd50.1.fc33.x86_64

vmmon/vmnet with patches compile and load OK.

vmware-modconfig segfaults:

# vmware-modconfig –console –install-all
[AppLoader] GLib does not have GSettings support.
vmware-modconfi[14782]: segfault at 0 ip 00007f786b9d47f7 sp 00007ffc52a36cf8 error 4 in libc-2.31.so[7f786b95a000+150000]
Code: Bad RIP value.
Segmentation fault (core dumped)

vmware runtime segfaults:

$ vmware
/usr/bin/vmware: line 105: 13529 Segmentation fault (core dumped) “$BINDIR”/vmware-modconfig –appname=”VMware Workstation” –icon=”vmware-workstation”

Run vmware binary directly, and VMware Workstation window/menu displays correctly

# /usr/lib/vmware/bin/vmware

Start up guest operating system, then after ‘waiting for connection‘ the host system immediately reboots, with no prior errors or warnings shown. 

This has been reproduced on three different systems (HP Z220, HP 800G1, and Dual Xeon E5-2687W)

Robert Gadsdon.  June 23rd 2020.

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