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syscall hooking freezes Windows when stopping the hypervisor #51

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qhdwight opened this issue Jul 20, 2022 · 0 comments
Open

syscall hooking freezes Windows when stopping the hypervisor #51

qhdwight opened this issue Jul 20, 2022 · 0 comments

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@qhdwight
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Hi, I'm enabling syscall hooking via:

auto efer = msr::read<msr::efer_t>();
efer.syscall_enable = false;
msr::write(efer);

auto exception_bitmap = vp.exception_bitmap();
exception_bitmap.invalid_opcode = true;
vp.exception_bitmap(exception_bitmap);

Whenever I sc.exe stop my service the entire OS freezes
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@qhdwight