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Thomas Gleixner 05418360de x86/fpu: Limit xstate copy size in xstateregs_set() 
[ Upstream commit 07d6688b22 ]

If the count argument is larger than the xstate size, this will happily
copy beyond the end of xstate.

Fixes: 91c3dba7db ("x86/fpu/xstate: Fix PTRACE frames for XSAVES")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210623121452.120741557@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-20 16:17:54 +02:00
..
boot
x86/boot/compressed: Disable relocation relaxation
2021-01-30 13:31:16 +01:00
configs
x86/defconfig: Enable CONFIG_USB_XHCI_HCD=y
2020-09-23 10:46:37 +02:00
crypto
crypto: aesni - add compatibility with IAS
2020-08-21 09:48:13 +02:00
entry
x86/cpu: Initialize MSR_TSC_AUX if RDTSCP *or* RDPID is supported
2021-05-22 10:57:26 +02:00
events
x86/events/amd/iommu: Fix sysfs type mismatch
2021-05-22 10:57:31 +02:00
hyperv
…
ia32
…
include
x86/fpu: Return proper error codes from user access functions
2021-07-20 16:17:52 +02:00
kernel
x86/fpu: Limit xstate copy size in xstateregs_set()
2021-07-20 16:17:54 +02:00
kvm
KVM: X86: Disable hardware breakpoints unconditionally before kvm_x86->run()
2021-07-20 16:17:48 +02:00
lib
x86/msr: Fix wr/rdmsr_safe_regs_on_cpu() prototypes
2021-05-22 10:57:41 +02:00
math-emu
x86: math-emu: Fix up 'cmp' insn for clang ias
2020-07-29 07:42:56 +02:00
mm
x86/mm: Fix leak of pmd ptlock
2021-01-12 20:09:13 +01:00
net
bpf, x86: Validate computation of branch displacements for x86-64
2021-04-10 13:20:11 +02:00
oprofile
…
pci
x86/PCI: Mark Intel C620 MROMs as having non-compliant BARs
2020-06-20 10:25:00 +02:00
platform
irqdomain/treewide: Keep firmware node unconditionally allocated
2020-07-29 07:42:52 +02:00
power
…
purgatory
…
ras
…
realmode
…
tools
x86/build: Treat R_386_PLT32 relocation as R_386_PC32
2021-03-07 11:27:44 +01:00
um
…
video
…
xen
Xen/gnttab: handle p2m update errors on a per-slot basis
2021-03-07 11:27:45 +01:00
.gitignore
…
Kbuild
…
Kconfig
x86/platform/uv: Fix !KEXEC build failure
2021-05-22 10:57:30 +02:00
Kconfig.cpu
…
Kconfig.debug
…
Makefile
x86/build: Propagate $(CLANG_FLAGS) to $(REALMODE_FLAGS)
2021-05-22 10:57:16 +02:00
Makefile_32.cpu
…
Makefile.um
…