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Thomas Gleixner aa51b6bc79 x86/fpu: Limit xstate copy size in xstateregs_set() 
[ Upstream commit 07d6688b22e09be465652cf2da0da6bf86154df6 ]

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

Fixes: 91c3dba7dbc1 ("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 16:10:50 +02:00
..
alpha
alpha: fix annotation of io{read,write}{16,32}be()
2020-08-26 10:40:58 +02:00
arc
ARCv2: save ABI registers across signal handling
2021-06-23 14:41:29 +02:00
arm
ARM: 9087/1: kprobes: test-thumb: fix for LLVM_IAS=1
2021-07-20 16:10:47 +02:00
arm64
arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART
2021-07-14 16:53:47 +02:00
c6x
mm: consolidate pgtable_cache_init() and pgd_cache_init()
2019-09-24 15:54:09 -07:00
csky
csky: change a Kconfig symbol name to fix e1000 build error
2021-04-28 13:19:16 +02:00
h8300
h8300: fix PREEMPTION build, TI_PRE_COUNT undefined
2021-02-17 10:35:18 +01:00
hexagon
hexagon: define ioremap_uc
2020-05-10 10:31:31 +02:00
ia64
ia64: mca_drv: fix incorrect array size calculation
2021-07-14 16:53:19 +02:00
m68k
m68k: atari: Fix ATARI_KBD_CORE kconfig unmet dependency warning
2021-07-14 16:53:22 +02:00
microblaze
microblaze: Prevent the overflow of the start
2020-02-24 08:37:02 +01:00
mips
MIPS: fix "mipsel-linux-ld: decompress.c:undefined reference to `memmove'"
2021-07-19 08:53:16 +02:00
nds32
nds32: flush_dcache_page: use page_mapping_file to avoid races with swapoff
2021-04-14 08:24:10 +02:00
nios2
nios2 update for v5.4-rc1
2019-09-27 13:02:19 -07:00
openrisc
openrisc: Define memory barrier mb
2021-06-03 08:59:11 +02:00
parisc
parisc: avoid a warning on u8 cast for cmpxchg on u8 pointers
2021-04-14 08:24:11 +02:00
powerpc
powerpc/boot: Fixup device-tree on little endian
2021-07-20 16:10:45 +02:00
riscv
riscv: Use -mno-relax when using lld linker
2021-06-18 09:58:58 +02:00
s390
s390/mem_detect: fix tprot() program check new psw handling
2021-07-20 16:10:45 +02:00
sh
sh: dma: fix kconfig dependency for G2_DMA
2021-01-27 11:47:52 +01:00
sparc
sparc64: Fix opcode filtering in handling of no fault loads
2021-03-30 14:35:22 +02:00
um
um: fix error return code in winch_tramp()
2021-07-20 16:10:49 +02:00
unicore32
mm: treewide: clarify pgtable_page_{ctor,dtor}() naming
2019-09-26 10:10:44 -07:00
x86
x86/fpu: Limit xstate copy size in xstateregs_set()
2021-07-20 16:10:50 +02:00
xtensa
xtensa: move coprocessor_flush to the .text section
2021-04-07 14:47:42 +02:00
.gitignore
…
Kconfig
Revert: "ring-buffer: Remove HAVE_64BIT_ALIGNED_ACCESS"
2020-12-30 11:51:47 +01:00