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Wanpeng Li beeeead95b KVM: VMX: check CPUID before allowing read/write of IA32_XSS 
[ Upstream commit 4d763b168e ]

Raise #GP when guest read/write IA32_XSS, but the CPUID bits
say that it shouldn't exist.

Fixes: 203000993d (kvm: vmx: add MSR logic for XSAVES)
Reported-by: Xiaoyao Li <xiaoyao.li@linux.intel.com>
Reported-by: Tao Xu <tao3.xu@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-16 08:22:18 +02:00
..
alpha alpha: Fix Eiger NR_IRQS to 128 2019-02-20 10:25:47 +01:00
arc ARC: mm: SIGSEGV userspace trying to access kernel virtual memory 2019-09-16 08:22:14 +02:00
arm ARM: dts: qcom: ipq4019: enlarge PCIe BAR range 2019-09-16 08:22:11 +02:00
arm64 arm64: dts: stratix10: add the sysmgr-syscon property from the gmac's 2019-09-16 08:22:09 +02:00
c6x kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
h8300 h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux- 2019-04-05 22:32:55 +02:00
hexagon hexagon: modify ffs() and fls() to return int 2018-09-10 19:42:15 -05:00
ia64 ia64: fix build errors by exporting paddr_to_nid() 2019-06-22 08:15:19 +02:00
m68k m68k: Add -ffreestanding to CFLAGS 2019-03-23 20:10:00 +01:00
microblaze mm: make the __PAGETABLE_PxD_FOLDED defines non-empty 2018-12-29 13:37:57 +01:00
mips mips: fix cacheinfo 2019-08-29 08:28:27 +02:00
nds32 nds32: Fix gcc 8.0 compiler option incompatible. 2019-02-12 19:46:57 +01:00
nios2 nios2: kconfig: remove duplicate DEBUG_STACK_USAGE symbol defintions 2018-08-27 09:47:20 +08:00
openrisc OpenRISC updates for 4.19 2018-08-23 14:09:37 -07:00
parisc parisc: Fix build of compressed kernel even with debug enabled 2019-08-06 19:06:55 +02:00
powerpc powerpc/kvm: Save and restore host AMR/IAMR/UAMOR 2019-09-16 08:22:07 +02:00
riscv riscv: remove unused variable in ftrace 2019-09-16 08:21:44 +02:00
s390 s390: put _stext and _etext into .text section 2019-08-29 08:28:41 +02:00
sh sh: kernel: hw_breakpoint: Fix missing break in switch statement 2019-08-25 10:47:42 +02:00
sparc sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD 2019-06-25 11:35:57 +08:00
um um: Silence lockdep complaint about mmap_sem 2019-07-31 07:27:04 +02:00
unicore32 mm: convert return type of handle_mm_fault() caller to vm_fault_t 2018-08-17 16:20:28 -07:00
x86 KVM: VMX: check CPUID before allowing read/write of IA32_XSS 2019-09-16 08:22:18 +02:00
xtensa xtensa: add missing isync to the cpu_reset TLB code 2019-08-25 10:47:47 +02:00
.gitignore
Kconfig jump_label: move 'asm goto' support test to Kconfig 2019-06-04 08:02:34 +02:00