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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
..
acpi
ACPI: tables: x86: Reserve memory occupied by ACPI tables
2021-05-22 10:57:12 +02:00
apic
x86/ioapic: Ignore IRQ2 again
2021-03-24 11:05:05 +01:00
cpu
x86/microcode: Check for offline CPUs before requesting new microcode
2021-05-22 10:57:27 +02:00
fpu
x86/fpu: Limit xstate copy size in xstateregs_set()
2021-07-20 16:17:54 +02:00
kprobes
x86/kprobes: Fix to check non boostable prefixes correctly
2021-05-22 10:57:30 +02:00
.gitignore
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alternative.c
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amd_gart_64.c
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amd_nb.c
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apb_timer.c
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aperture_64.c
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apm_32.c
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asm-offsets_32.c
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asm-offsets_64.c
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asm-offsets.c
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audit_64.c
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bootflag.c
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check.c
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cpuid.c
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crash_dump_32.c
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crash_dump_64.c
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crash.c
x86/crash: Fix crash_setup_memmap_entries() out-of-bounds access
2021-04-28 12:08:44 +02:00
devicetree.c
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doublefault.c
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dumpstack_32.c
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dumpstack_64.c
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dumpstack.c
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e820.c
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early_printk.c
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early-quirks.c
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ebda.c
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eisa.c
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espfix_64.c
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ftrace_32.S
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ftrace_64.S
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ftrace.c
ftrace/x86: Anotate text_mutex split between ftrace_arch_code_modify_post_process() and ftrace_arch_code_modify_prepare()
2020-04-02 16:34:28 +02:00
head32.c
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head64.c
x86/boot/64: Make level2_kernel_pgt pages invalid outside kernel area
2019-10-29 09:17:41 +01:00
head_32.S
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head_64.S
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hpet.c
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hw_breakpoint.c
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i8237.c
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i8253.c
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i8259.c
x86/i8259: Use printk_deferred() to prevent deadlock
2020-08-05 10:06:53 +02:00
idt.c
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io_delay.c
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ioport.c
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irq_32.c
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irq_64.c
x86/irq/64: Limit IST stack overflow check to #DB stack
2019-05-31 06:47:26 -07:00
irq_work.c
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irq.c
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irqflags.S
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irqinit.c
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itmt.c
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jump_label.c
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kdebugfs.c
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kexec-bzimage64.c
x86/kexec: Use up-to-dated screen_info copy to fill boot params
2020-11-10 10:29:05 +01:00
kgdb.c
x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI
2020-01-27 14:46:41 +01:00
ksysfs.c
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kvm.c
x86/paravirt: Fix callee-saved function ELF sizes
2019-08-06 19:05:24 +02:00
kvmclock.c
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ldt.c
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livepatch.c
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machine_kexec_32.c
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machine_kexec_64.c
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Makefile
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mmconf-fam10h_64.c
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module.c
x86/build: Treat R_386_PLT32 relocation as R_386_PC32
2021-03-07 11:27:44 +01:00
mpparse.c
x86/boot: Fix memory leak in default_get_smp_config()
2019-07-31 07:28:39 +02:00
msr.c
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nmi_selftest.c
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nmi.c
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paravirt_patch_32.c
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paravirt_patch_64.c
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paravirt-spinlocks.c
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paravirt.c
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pci-calgary_64.c
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pci-dma.c
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pci-iommu_table.c
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pci-nommu.c
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pci-swiotlb.c
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pcspeaker.c
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perf_regs.c
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platform-quirks.c
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pmem.c
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probe_roms.c
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process_32.c
sched/x86: Save [ER]FLAGS on context switch
2019-05-21 18:50:14 +02:00
process_64.c
sched/x86: Save [ER]FLAGS on context switch
2019-05-21 18:50:14 +02:00
process.c
x86/speculation: Prevent rogue cross-process SSBD shutdown
2020-06-20 10:25:00 +02:00
process.h
x86/speculation: Change misspelled STIPB to STIBP
2020-06-20 10:25:02 +02:00
ptrace.c
x86/fsgsbase/64: Fix NULL deref in 86_fsgsbase_read_task
2020-08-21 09:48:13 +02:00
pvclock.c
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quirks.c
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reboot_fixups_32.c
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reboot.c
x86/reboot: Add Zotac ZBOX CI327 nano PCI reboot quirk
2021-03-07 11:27:43 +01:00
relocate_kernel_32.S
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relocate_kernel_64.S
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resource.c
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rtc.c
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setup_percpu.c
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setup.c
ACPI: x86: Call acpi_boot_table_init() after acpi_table_upgrade()
2021-05-22 10:57:12 +02:00
signal_compat.c
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signal.c
x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall()
2021-03-24 11:05:05 +01:00
smp.c
x86/reboot: Always use NMI fallback when shutdown via reboot vector IPI fails
2019-10-05 12:47:46 +02:00
smpboot.c
x86: Fix early boot crash on gcc-10, third try
2020-05-20 08:17:15 +02:00
stacktrace.c
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step.c
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sys_x86_64.c
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sysfb_efi.c
x86/sysfb_efi: Add quirks for some devices with swapped width and height
2019-07-31 07:28:57 +02:00
sysfb_simplefb.c
x86/sysfb: Fix check for bad VRAM size
2020-02-28 16:35:58 +01:00
sysfb.c
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tboot.c
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tce_64.c
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time.c
x86_64: Fix jiffies ODR violation
2020-06-20 10:25:00 +02:00
tls.c
x86/tls: Fix possible spectre-v1 in do_get_thread_area()
2019-07-21 09:04:31 +02:00
tls.h
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topology.c
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trace_clock.c
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tracepoint.c
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traps.c
x86/speculation/mds: Revert CPU buffer clear on double fault exit
2019-05-21 18:50:13 +02:00
tsc_msr.c
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tsc_sync.c
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tsc.c
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unwind_frame.c
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unwind_guess.c
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unwind_orc.c
x86/unwind/orc: Fix inactive tasks with stack pointer in %sp on GCC 10 compiled kernels
2020-11-05 11:06:52 +01:00
uprobes.c
x86/uprobes: Do not use prefixes.nbytes when looping over prefixes.bytes
2020-12-11 13:39:07 +01:00
verify_cpu.S
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vm86_32.c
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vmlinux.lds.S
x86, vmlinux.lds: Page-align end of ..page_aligned sections
2020-08-05 10:06:49 +02:00
vsmp_64.c
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x86_init.c
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