On 11:56 19.05.20, Brendan Shanks wrote: > The problem is that the kernel does not emulate/spoof the SLDT instruction, > only SGDT, SIDT, and SMSW. > SLDT and STR weren't thought to be commonly used, so emulation/spoofing > wasn’t added. > In the last few months I have seen reports of one or two (32-bit) Windows > games that use SLDT though. > Can you share more information about the application you’re running?
This is basically the "minimal" reproducer for the issue I've been observed (as by the previously linked article): https://gist.githubusercontent.com/andir/071981717460242a1df2e0fc20836fdc/raw/0c31877aa7ee59146596fe68934f9cecb5c998ae/test.c
