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985c78d3ff8e9c74450fa2bb08eb55e680d999ca
android_kernel_xiaomi_sm8450/arch/x86/kernel
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Luck, Tony 985c78d3ff x86/MCE: Fix stack out-of-bounds write in mce-inject.c: Flags_read() 
Each of the strings that we want to put into the buf[MAX_FLAG_OPT_SIZE]
in flags_read() is two characters long. But the sprintf() adds
a trailing newline and will add a terminating NUL byte. So
MAX_FLAG_OPT_SIZE needs to be 4.

sprintf() calls vsnprintf() and *that* does return:

" * The return value is the number of characters which would
 * be generated for the given input, excluding the trailing
 * '\0', as per ISO C99."

Note the "excluding".

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180427163707.ktaiysvbk3yhk4wm@agluck-desk
2018-05-06 12:46:39 +02:00
..
acpi
x86/acpi: Prevent X2APIC id 0xffffffff from being accounted
2018-04-17 11:56:31 +02:00
apic
Merge branch 'WIP.x86/asm' into x86/urgent, because the topic is ready
2018-04-12 09:42:34 +02:00
cpu
x86/MCE: Fix stack out-of-bounds write in mce-inject.c: Flags_read()
2018-05-06 12:46:39 +02:00
fpu
Merge commit 'upstream-x86-entry' into WIP.x86/mm
2017-12-17 12:58:53 +01:00
kprobes
x86/kprobes: Fix kernel crash when probing .entry_trampoline code
2018-03-09 09:58:36 +01:00
.gitignore
…
alternative.c
x86/paravirt: Remove 'noreplace-paravirt' cmdline option
2018-01-31 10:37:45 +01:00
amd_gart_64.c
x86/dma/amd_gart: Use dma_direct_{alloc,free}()
2018-03-20 10:01:57 +01:00
amd_nb.c
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-15 01:15:52 +01:00
apb_timer.c
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-12-25 14:30:04 -08:00
aperture_64.c
x86/gart: Exclude GART aperture from vmcore
2018-01-11 15:09:24 +01:00
apm_32.c
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
asm-offsets_32.c
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-15 01:15:52 +01:00
asm-offsets_64.c
x86/entry/64: Separate cpu_current_top_of_stack from TSS.sp0
2017-12-17 13:59:56 +01:00
asm-offsets.c
x86/mm: Use/Fix PCID to optimize user/kernel switches
2017-12-23 21:13:00 +01:00
audit_64.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bootflag.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
check.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cpuid.c
x86/cpuid: Allow cpuid_read() to schedule
2018-03-27 12:01:48 +02:00
crash_dump_32.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crash_dump_64.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crash.c
kexec_file, x86: move re-factored code to generic side
2018-04-13 17:10:27 -07:00
devicetree.c
Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-04-02 16:15:32 -07:00
doublefault.c
x86/entry: Fix assumptions that the HW TSS is at the beginning of cpu_tss
2017-12-17 13:59:55 +01:00
dumpstack_32.c
x86/dumpstack: Unify show_regs()
2018-03-08 12:04:59 +01:00
dumpstack_64.c
x86/dumpstack: Unify show_regs()
2018-03-08 12:04:59 +01:00
dumpstack.c
x86/dumpstack: Unify show_regs()
2018-03-08 12:04:59 +01:00
e820.c
x86/boot/e820: Implement a range manipulation operator
2018-02-26 08:44:52 +01:00
early_printk.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
early-quirks.c
x86/gpu: add CFL to early quirks
2017-12-15 13:18:00 -08:00
ebda.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
eisa.c
x86/eisa: Add missing include
2017-08-31 21:34:48 +02:00
espfix_64.c
x86/espfix: Document use of _PAGE_GLOBAL
2018-04-09 18:27:33 +02:00
ftrace_32.S
x86/retpoline/ftrace: Convert ftrace assembler indirect jumps
2018-01-12 00:14:30 +01:00
ftrace_64.S
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-01-28 12:19:23 -08:00
ftrace.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
head32.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
head64.c
x86/mm: Do not auto-massage page protections
2018-04-12 09:04:22 +02:00
head_32.S
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-15 01:15:52 +01:00
head_64.S
x86/mm: Comment _PAGE_GLOBAL mystery
2018-04-12 09:05:58 +02:00
hpet.c
x86/hpet: Cure interface abuse in the resume path
2017-08-01 13:02:37 +02:00
hw_breakpoint.c
x86/kernel: Audit and remove any unnecessary uses of module.h
2016-07-14 15:06:41 +02:00
i8237.c
…
i8253.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
i8259.c
Merge branch 'linus' into x86/apic, to resolve conflicts
2017-11-07 10:51:10 +01:00
idt.c
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-03-31 07:50:30 -10:00
io_delay.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ioport.c
x86/ioport: add ksys_ioperm() helper; remove in-kernel calls to sys_ioperm()
2018-04-02 20:16:12 +02:00
irq_32.c
x86/retpoline/irq32: Convert assembler indirect jumps
2018-01-12 00:14:32 +01:00
irq_64.c
x86/irq/64: Print the offending IP in the stack overflow warning
2017-12-17 13:59:53 +01:00
irq_work.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq.c
Drivers: hv: vmbus: Implement Direct Mode for stimer0
2018-03-06 09:57:17 -08:00
irqinit.c
x86/apic: Simplify init_bsp_APIC() usage
2018-02-13 17:30:38 +01:00
itmt.c
x86/headers: Remove duplicate #includes
2017-12-12 11:32:24 +01:00
jailhouse.c
x86/jailhouse: Fix incorrect SPDX identifier
2018-04-23 10:17:28 +02:00
jump_label.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kdebugfs.c
x86, mpparse, x86/acpi, x86/PCI, x86/dmi, SFI: Use memremap() for RAM mappings
2017-07-18 11:37:58 +02:00
kexec-bzimage64.c
kexec_file: do not add extra alignment to efi memmap
2018-04-20 17:18:36 -07:00
kgdb.c
sched/x86: Add 'struct inactive_task_frame' to better document the sleeping task stack frame
2016-08-24 12:27:41 +02:00
ksysfs.c
x86/sysfs: Fix off-by-one error in loop termination
2017-09-25 09:36:16 +02:00
kvm.c
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2018-04-09 11:42:31 -07:00
kvmclock.c
Merge tag 'for-linus-4.15-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2017-11-16 13:06:27 -08:00
ldt.c
x86/ldt: Fix support_pte_mask filtering in map_ldt_struct()
2018-04-16 11:20:34 -07:00
livepatch.c
livepatch/x86: apply alternatives and paravirt patches after relocations
2016-08-18 23:41:55 +02:00
machine_kexec_32.c
x86/apic: Remove the (now) unused disable_IO_APIC() function
2018-02-17 11:47:45 +01:00
machine_kexec_64.c
kernel/kexec_file.c: remove mis-use of sh_offset field during purgatory load
2018-04-13 17:10:28 -07:00
Makefile
Merge branch 'x86-dma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-04-02 17:18:45 -07:00
mmconf-fam10h_64.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
module.c
x86: Treat R_X86_64_PLT32 as R_X86_64_PC32
2018-02-22 09:01:10 -08:00
mpparse.c
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-02-14 17:02:15 -08:00
msr.c
x86/msr: Remove bogus cleanup from the error path
2016-12-25 10:47:41 +01:00
nmi_selftest.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nmi.c
locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()
2017-10-25 11:01:08 +02:00
paravirt_patch_32.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
paravirt_patch_64.c
x86/paravirt: Dont patch flush_tlb_single
2017-12-17 14:27:52 +01:00
paravirt-spinlocks.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
paravirt.c
x86/mm: Rename flush_tlb_single() and flush_tlb_one() to __flush_tlb_one_[user|kernel]()
2018-02-15 01:15:52 +01:00
pci-calgary_64.c
x86/dma: Remove dma_alloc_coherent_gfp_flags()
2018-03-20 10:01:58 +01:00
pci-dma.c
headers: untangle kmemleak.h from mm.h
2018-04-05 21:36:27 -07:00
pci-iommu_table.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pci-swiotlb.c
x86/dma: Use generic swiotlb_ops
2018-03-20 10:01:57 +01:00
pcspeaker.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
perf_regs.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
platform-quirks.c
x86/platform: Control warm reset setup via legacy feature flag
2018-01-14 21:11:53 +01:00
pmem.c
resource: Provide resource struct in resource walk callback
2017-11-07 15:35:57 +01:00
probe_roms.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
process_32.c
x86/entry/64: Make cpu_entry_area.tss read-only
2017-12-17 14:27:52 +01:00
process_64.c
x86/kvm/vmx: read MSR_{FS,KERNEL_GS}_BASE from current->thread
2018-03-16 22:03:53 +01:00
process.c
Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-01-30 13:01:09 -08:00
ptrace.c
x86/asm: Move 'status' from thread_struct to thread_info
2018-01-30 15:30:36 +01:00
pvclock.c
x86/pvclock: add setter for pvclock_pvti_cpu0_va
2017-11-08 16:33:14 -05:00
quirks.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
reboot_fixups_32.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
reboot.c
x86/apic: Fix restoring boot IRQ mode in reboot and kexec/kdump
2018-02-17 11:47:45 +01:00
relocate_kernel_32.S
…
relocate_kernel_64.S
x86/kexec: Make kexec (mostly) work in 5-level paging mode
2018-01-31 08:39:40 +01:00
resource.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rtc.c
x86/rtc: Stop using deprecated functions
2018-03-15 09:47:24 +01:00
setup_percpu.c
x86/cpu_entry_area: Sync cpu_entry_area to initial_page_table
2018-03-01 09:48:27 +01:00
setup.c
x86/setup: Do not reserve a crash kernel region if booted on Xen PV
2018-04-27 17:06:28 +02:00
signal_compat.c
parisc/signal: Add FPE_CONDTRAP for conditional trap handling
2018-04-11 11:40:35 +02:00
signal.c
x86/sigreturn: use SYSCALL_DEFINE0
2018-04-02 20:16:14 +02:00
smp.c
x86/tracing: Disentangle pagefault and resched IPI tracing key
2017-08-29 11:42:29 +02:00
smpboot.c
x86/smpboot: Don't use mwait_play_dead() on AMD systems
2018-04-26 16:06:19 +02:00
stacktrace.c
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-01-03 16:41:07 -08:00
step.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sys_x86_64.c
mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff()
2018-04-02 20:16:11 +02:00
sysfb_efi.c
Merge branch 'linus' into efi/core, to pick up fixes
2016-05-07 07:00:07 +02:00
sysfb_simplefb.c
x86/sysfb: Fix lfb_size calculation
2016-11-16 09:38:23 +01:00
sysfb.c
…
tboot.c
x86/pti: Make unpoison of pgd for trusted boot work for real
2018-01-11 23:36:59 +01:00
tce_64.c
x86/cpufeature: Remove cpu_has_clflush
2016-03-31 13:35:09 +02:00
time.c
x86/time: Unconditionally register legacy timer interrupt
2018-01-14 20:18:23 +01:00
tls.c
x86/ldt: Make the LDT mapping RO
2017-12-23 21:13:01 +01:00
tls.h
…
topology.c
…
trace_clock.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tracepoint.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
traps.c
x86/entry/64: Don't use IST entry for #BP stack
2018-03-23 21:10:36 +01:00
tsc_msr.c
x86/tsc: Set TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Atom SoCs
2016-11-18 10:58:31 +01:00
tsc_sync.c
Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-11-13 19:07:38 -08:00
tsc.c
x86/tsc: Prevent 32bit truncation in calc_hpet_ref()
2018-04-17 11:50:42 +02:00
umip.c
x86/umip: Fix insn_get_code_seg_params()'s return value
2017-11-23 20:17:59 +01:00
unwind_frame.c
x86/unwind: Disable unwinder warnings on 32-bit
2017-10-10 12:49:49 +02:00
unwind_guess.c
x86/unwind: Add the ORC unwinder
2017-07-26 13:18:20 +02:00
unwind_orc.c
extable: Make init_kernel_text() global
2018-02-21 16:54:06 +01:00
uprobes.c
uprobes/x86: Emulate push insns for uprobe on x86
2017-12-11 18:42:11 +01:00
verify_cpu.S
x86/boot: Annotate verify_cpu() as a callable function
2017-09-28 09:39:03 +02:00
vm86_32.c
x86/vm86/32: Fix POPF emulation
2018-03-14 09:21:01 +01:00
vmlinux.lds.S
Merge branch 'linus' into x86/build to pick up dependencies
2018-03-20 10:56:18 +01:00
vsmp_64.c
x86/apic: Remove unused callbacks
2017-09-25 20:51:58 +02:00
x86_init.c
xen, mm: allow deferred page initialization for xen pv domains
2018-04-11 10:28:38 -07:00