c/pve-kernel-qoup
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5 Commits
3b923599d9 ... 2fc0c38547

Author SHA1 Message Date
Gregory Lirent
2fc0c38547
Merge branch 'rdtsc-spoof' into develop 2024-07-02 09:33:16 +03:00
Gregory Lirent
97c120d05c
Add rdtsc spoof hook 2024-07-02 09:32:49 +03:00
Gregory Lirent
ccb1c46442
Update submodules 2024-07-02 09:27:56 +03:00
Gregory Lirent
08796d96fc
Update submodules 2024-07-02 09:19:41 +03:00
Gregory Lirent
642e6073ae
Update Makefile 2024-07-02 08:51:48 +03:00
4 changed files with 59 additions and 7 deletions
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9
.gitmodules vendored
View File

@ -1,6 +1,7 @@
[submodule "submodules/zfsonlinux"]
path = submodules/zfsonlinux
url = ../zfsonlinux
[submodule "submodules/ubuntu-kernel"]
path = submodules/ubuntu-kernel
url = ../mirror_ubuntu-kernels
url = https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy/
branch = hwe-6.8-next
[submodule "submodules/zfsonlinux"]
path = submodules/zfsonlinux
url = https://git.proxmox.com/git/zfsonlinux.git

4
Makefile
View File

@ -13,8 +13,8 @@ KERNEL_VER=$(KERNEL_MAJMIN).$(KERNEL_PATCHLEVEL)
EXTRAVERSION=-$(KREL)-pve
KVNAME=$(KERNEL_VER)$(EXTRAVERSION)
PACKAGE=proxmox-kernel-$(KVNAME)
HDRPACKAGE=proxmox-headers-$(KVNAME)
PACKAGE=proxmox-kernel-qoup-$(KVNAME)
HDRPACKAGE=proxmox-headers-qoup-$(KVNAME)
ARCH=$(shell dpkg-architecture -qDEB_BUILD_ARCH)

51
patches/kernel/9999-rdtsc-spoof-hook.patch Normal file
View File

@ -0,0 +1,51 @@
diff -Naur --no-dereference a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
--- a/arch/x86/kvm/vmx/vmx.c 2024-07-01 21:03:34.000000000 +0300
+++ b/arch/x86/kvm/vmx/vmx.c 2024-07-01 20:24:05.000000000 +0300
@@ -6137,6 +6137,10 @@
[EXIT_REASON_ENCLS] = handle_encls,
[EXIT_REASON_BUS_LOCK] = handle_bus_lock_vmexit,
[EXIT_REASON_NOTIFY] = handle_notify,
+ [EXIT_REASON_RDTSC] = handle_rdtsc,
+ [EXIT_REASON_RDTSCP] = handle_rdtscp,
+ [EXIT_REASON_UMWAIT] = handle_umwait,
+ [EXIT_REASON_TPAUSE] = handle_tpause,
};
static const int kvm_vmx_max_exit_handlers =
@@ -6079,6 +6079,36 @@
return 1;
}
+static int handle_rdtsc(struct kvm_vcpu *vcpu)
+{
+ u64 _rdtsc = rdtsc();
+ printk_once("[HookEntry] hook entry function handle_rdtsc is working, return the rdtsc() if no hook , you can hook here!\n");
+ vcpu->arch.regs[VCPU_REGS_RAX] = _rdtsc & -1u;
+ vcpu->arch.regs[VCPU_REGS_RDX] = (_rdtsc >> 32) & -1u;
+ return kvm_skip_emulated_instruction(vcpu);
+}
+
+static int handle_rdtscp(struct kvm_vcpu *vcpu)
+{
+ u64 _rdtsc = rdtsc();
+ printk_once("[HookEntry] hook entry function handle_rdtscp is working, return the rdtsc() if no hook , you can hook here!\n");
+ vcpu->arch.regs[VCPU_REGS_RAX] = _rdtsc & -1u;
+ vcpu->arch.regs[VCPU_REGS_RDX] = (_rdtsc >> 32) & -1u;
+ return kvm_skip_emulated_instruction(vcpu);
+}
+
+static int handle_umwait(struct kvm_vcpu *vcpu)
+{
+ kvm_skip_emulated_instruction(vcpu);
+ return 1;
+}
+
+static int handle_tpause(struct kvm_vcpu *vcpu)
+{
+ kvm_skip_emulated_instruction(vcpu);
+ return 1;
+}
+
/*
* The exit handlers return 1 if the exit was handled fully and guest execution
* may resume. Otherwise they set the kvm_run parameter to indicate what needs

2
submodules/ubuntu-kernel

@ -1 +1 @@
Subproject commit ffe6f6578643a9ae802c3eb5a64096f51a0e0524
Subproject commit 00bd2da9a1655d2b7cfa760393876427e1bbad77