Date: Sat, 7 Dec 2019 12:45:47 +0100 From: Solar Designer <solar@...nwall.com> To: lkrg-users@...ts.openwall.com Subject: Re: bug: LKRG kills VirtualBox host VMs Hi Adam, On Mon, Dec 02, 2019 at 07:00:44PM +0100, Adam Zabrocki wrote: > This is a 'hacky' feature and it's violating some of the integrity rules which > LKRG's ED feature enforces. However, I've introduced 2 compilation options > which can relax some of the validation in LKRG and allows such a nasty > functionality. They are DISABLED by default but if you really want you can > enable it and compile LKRG with them. If you do so, you might run LKRG and > VirtualBox together. To do that you should edit "src/p_lkrg_main.h" file and > uncomment following definitions: > > #define P_LKRG_CI_X86_NO_MSR > #define P_LKRG_PCFI_NO_STACKWALK > > and recompile LKRG. VirtualBox is pretty common, and the above is obscure. We need to at least document this prominently, or better yet introduce a module option to enable VirtualBox compatibility in an existing build of LKRG, so that a rebuild would not be necessary. Thanks, Alexander
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