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bad1a753d4d4deb09d4bc0bac1dd4fc3298502e9
android_kernel_xiaomi_sm8450/arch/x86/kernel
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H.J. Lu bad1a753d4 x86, x32, ptrace: Remove PTRACE_ARCH_PRCTL for x32 
When I added x32 ptrace to 3.4 kernel, I also include PTRACE_ARCH_PRCTL
support for x32 GDB  For ARCH_GET_FS/GS, it takes a pointer to int64.  But
at user level, ARCH_GET_FS/GS takes a pointer to int32.  So I have to add
x32 ptrace to glibc to handle it with a temporary int64 passed to kernel and
copy it back to GDB as int32.  Roland suggested that PTRACE_ARCH_PRCTL
is obsolete and x32 GDB should use fs_base and gs_base fields of
user_regs_struct instead.

Accordingly, remove PTRACE_ARCH_PRCTL completely from the x32 code to
avoid possible memory overrun when pointer to int32 is passed to
kernel.

Link: http://lkml.kernel.org/r/CAMe9rOpDzHfS7NH7m1vmD9QRw8SSj4Sc%2BaNOgcWm_WJME2eRsQ@mail.gmail.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@vger.kernel.org> v3.4
2012-06-01 13:54:21 -07:00
..
acpi
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-29 20:14:53 -07:00
apic
Merge branch 'delete-mca' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-05-23 17:12:06 -07:00
cpu
Merge tag 'please-pull-mce' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
2012-05-31 10:53:37 -07:00
.gitignore
…
alternative.c
x86: Call stop_machine_text_poke() on all CPUs
2011-11-14 13:05:15 +01:00
amd_gart_64.c
X86 & IA64: adapt for dma_map_ops changes
2012-03-28 16:36:31 +02:00
amd_nb.c
Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
2012-01-11 18:50:26 -08:00
apb_timer.c
Merge branch 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2011-07-23 10:34:47 -07:00
aperture_64.c
memblock, x86: Replace memblock_x86_reserve/free_range() with generic ones
2011-07-14 11:47:53 -07:00
apm_32.c
x86: Use kick_all_cpus_sync()
2012-05-08 12:35:06 +02:00
asm-offsets_32.c
x86: Generate system call tables and unistd_*.h from tables
2011-11-17 13:35:37 -08:00
asm-offsets_64.c
x32: If configured, add x32 system calls to system call tables
2012-02-20 12:52:06 -08:00
asm-offsets.c
x86, efi: EFI boot stub support
2011-12-12 14:26:10 -08:00
audit_64.c
…
bootflag.c
…
check.c
x86: kernel/check.c simple_strtoul cleanup
2012-05-15 15:36:41 -07:00
cpuid.c
Disintegrate asm/system.h for X86
2012-03-28 18:11:12 +01:00
crash_dump_32.c
x86: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:15 +08:00
crash_dump_64.c
crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn
2011-03-23 19:47:19 -07:00
crash.c
x86, nmi: Wire up NMI handlers to new routines
2011-10-10 06:56:57 +02:00
devicetree.c
irq_domain/x86: Convert x86 (embedded) to use common irq_domain
2012-02-23 14:37:47 -07:00
doublefault_32.c
…
dumpstack_32.c
x86: Avoid double stack traces with show_regs()
2012-05-09 11:44:42 +02:00
dumpstack_64.c
x86: Avoid double stack traces with show_regs()
2012-05-09 11:44:42 +02:00
dumpstack.c
Merge branches 'x86-asm-for-linus', 'x86-cleanups-for-linus', 'x86-cpu-for-linus', 'x86-debug-for-linus' and 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-23 10:09:50 -07:00
e820.c
x86: print e820 physical addresses consistently with other parts of kernel
2012-05-29 16:22:20 -07:00
early_printk.c
Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-01-11 19:13:40 -08:00
early-quirks.c
x86, quirk: Fix SB600 revision check
2011-03-16 14:03:32 +01:00
entry_32.S
x86, extable: Remove open-coded exception table entries in arch/x86/kernel/entry_32.S
2012-04-20 13:51:38 -07:00
entry_64.S
x86, extable: Remove open-coded exception table entries in arch/x86/kernel/entry_64.S
2012-04-20 13:51:38 -07:00
ftrace.c
ftrace/x86: Have x86 ftrace use the ftrace_modify_all_code()
2012-05-16 20:00:27 -04:00
head32.c
x86, realmode: Move ACPI wakeup to unified realmode code
2012-05-08 11:46:05 -07:00
head64.c
x86, realmode: Move ACPI wakeup to unified realmode code
2012-05-08 11:46:05 -07:00
head_32.S
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-29 20:14:53 -07:00
head_64.S
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-29 20:14:53 -07:00
head.c
memblock, x86: Replace memblock_x86_reserve/free_range() with generic ones
2011-07-14 11:47:53 -07:00
hpet.c
x86: hpet: Fix copy-and-paste mistake in earlier change
2012-05-25 15:32:29 +02:00
hw_breakpoint.c
x86: Use this_cpu_ops to optimize code
2010-12-30 12:20:28 +01:00
i386_ksyms_32.c
…
i387.c
x86: replace percpu_xxx funcs with this_cpu_xxx
2012-05-14 14:15:31 -07:00
i8237.c
x86: Use syscore_ops instead of sysdev classes and sysdevs
2011-03-23 22:15:54 +01:00
i8253.c
x86: Use common i8253 clockevent
2011-07-01 10:37:14 +02:00
i8259.c
Disintegrate asm/system.h for X86
2012-03-28 18:11:12 +01:00
io_delay.c
…
ioport.c
x86: Use bitmap library functions
2011-02-17 14:59:22 +01:00
irq_32.c
x86: Use common threadinfo allocator
2012-05-08 14:08:44 +02:00
irq_64.c
x86: Add stack top margin for stack overflow checking
2011-12-07 09:27:11 +01:00
irq_work.c
irq_work: Add generic hardirq context callbacks
2010-10-18 19:58:50 +02:00
irq.c
x86: Preserve lazy irq disable semantics in fixup_irqs()
2012-03-29 15:28:47 +02:00
irqinit.c
Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:21:35 -07:00
jump_label.c
jump_label, x86: Fix section mismatch
2011-12-06 20:41:02 +01:00
kdebugfs.c
simple_open: automatically convert to simple_open()
2012-04-05 15:25:50 -07:00
kgdb.c
Merge tag 'for_linus-3.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb
2012-04-04 17:26:08 -07:00
kprobes-common.h
x86/kprobes: Split out optprobe related code to kprobes-opt.c
2012-03-06 09:49:49 +01:00
kprobes-opt.c
x86/kprobes: Split out optprobe related code to kprobes-opt.c
2012-03-06 09:49:49 +01:00
kprobes.c
x86: Avoid double stack traces with show_regs()
2012-05-09 11:44:42 +02:00
kvm.c
KVM: Do not take reference to mm during async #PF
2012-05-06 15:00:02 +03:00
kvmclock.c
kvmclock: remove unneeded EXPORT macro
2012-04-08 12:49:54 +03:00
ldt.c
Disintegrate asm/system.h for X86
2012-03-28 18:11:12 +01:00
machine_kexec_32.c
Disintegrate asm/system.h for X86
2012-03-28 18:11:12 +01:00
machine_kexec_64.c
x86, cleanups: Use clear_page/copy_page rather than memset/memcpy
2010-09-22 15:36:49 -07:00
Makefile
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-29 20:14:53 -07:00
microcode_amd.c
x86, microcode: Ensure that module is only loaded on supported AMD CPUs
2012-04-13 11:51:05 +02:00
microcode_core.c
x86, microcode: microcode_core.c simple_strtoul cleanup
2012-05-07 11:36:49 -07:00
microcode_intel.c
x86/microcode: Ensure that module is only loaded on supported Intel CPUs
2012-05-07 14:37:14 +02:00
mmconf-fam10h_64.c
x86-64: Fix and clean up AMD Fam10 MMCONF enabling
2010-11-18 13:41:35 +01:00
module.c
Disintegrate asm/system.h for X86
2012-03-28 18:11:12 +01:00
mpparse.c
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-29 20:14:53 -07:00
msr.c
Disintegrate asm/system.h for X86
2012-03-28 18:11:12 +01:00
nmi_selftest.c
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-23 10:21:19 -07:00
nmi.c
Merge branch 'delete-mca' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-05-23 17:12:06 -07:00
paravirt_patch_32.c
…
paravirt_patch_64.c
…
paravirt-spinlocks.c
…
paravirt.c
x86: replace percpu_xxx funcs with this_cpu_xxx
2012-05-14 14:15:31 -07:00
pci-calgary_64.c
Merge branches 'x86-asm-for-linus', 'x86-cleanups-for-linus', 'x86-cpu-for-linus', 'x86-debug-for-linus' and 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-23 10:09:50 -07:00
pci-dma.c
X86: integrate CMA with DMA-mapping subsystem
2012-05-21 15:09:38 +02:00
pci-iommu_table.c
arch/x86/kernel/pci-iommu_table.c: Convert sprintf_symbol to %pS
2011-05-10 10:21:35 +02:00
pci-nommu.c
X86: integrate CMA with DMA-mapping subsystem
2012-05-21 15:09:38 +02:00
pci-swiotlb.c
X86 & IA64: adapt for dma_map_ops changes
2012-03-28 16:36:31 +02:00
pcspeaker.c
…
probe_roms.c
x86: Include probe_roms.h in probe_roms.c
2012-03-08 10:57:35 +01:00
process_32.c
Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-23 10:59:07 -07:00
process_64.c
Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-23 10:59:07 -07:00
process.c
Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-23 10:59:07 -07:00
ptrace.c
x86, x32, ptrace: Remove PTRACE_ARCH_PRCTL for x32
2012-06-01 13:54:21 -07:00
pvclock.c
x86/pvclock: Zero last_value on resume
2010-11-28 09:33:20 +01:00
quirks.c
x86, amd: Fix up numa_node information for AMD CPU family 15h model 0-0fh northbridge functions
2011-12-05 18:13:11 +01:00
reboot_fixups_32.c
x86: Ce4100: Add reboot_fixup() for CE4100
2010-11-12 00:45:41 +01:00
reboot.c
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-29 20:14:53 -07:00
relocate_kernel_32.S
kexec, x86: Fix incorrect jump back address if not preserving context
2011-07-21 11:19:28 +02:00
relocate_kernel_64.S
kexec, x86: Fix incorrect jump back address if not preserving context
2011-07-21 11:19:28 +02:00
resource.c
x86: avoid high BIOS area when allocating address space
2010-12-17 10:01:30 -08:00
rtc.c
x86/rtc, mrst: Don't register a platform RTC device for for Intel MID platforms
2011-12-05 17:09:21 +01:00
setup_percpu.c
percpu, x86: don't use PMD_SIZE as embedded atom_size on 32bit
2012-05-08 09:42:18 -07:00
setup.c
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-29 20:14:53 -07:00
signal.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
2012-05-31 18:47:30 -07:00
smp.c
x86/reboot: Update nonmi_ipi parameter
2012-05-14 11:49:38 +02:00
smpboot.c
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-29 20:14:53 -07:00
stacktrace.c
x86: Swap save_stack_trace_regs parameters
2011-06-14 22:48:51 -04:00
step.c
x86-64: Add user_64bit_mode paravirt op
2011-08-04 16:13:49 -07:00
sys_i386_32.c
i386: Make kernel_execve() suitable for stack unwinding
2010-09-03 08:16:02 +02:00
sys_x86_64.c
Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:12:23 -07:00
syscall_32.c
x86, syscall: Re-fix typo in comment
2011-11-18 16:25:07 -08:00
syscall_64.c
x32: If configured, add x32 system calls to system call tables
2012-02-20 12:52:06 -08:00
tboot.c
x86, realmode: fixes compilation issue in tboot.c
2012-05-08 15:04:27 -07:00
tce_64.c
Disintegrate asm/system.h for X86
2012-03-28 18:11:12 +01:00
test_nx.c
x86: Eliminate various 'set but not used' warnings
2011-05-21 19:10:33 +02:00
test_rodata.c
x86, extable: Remove open-coded exception table entries in arch/x86/kernel/test_rodata.c
2012-04-20 13:51:38 -07:00
time.c
MCA: delete all remaining traces of microchannel bus support.
2012-05-17 19:06:13 -04:00
tls.c
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 14:28:26 -07:00
tls.h
…
topology.c
x86: Fix files explicitly requiring export.h for EXPORT_SYMBOL/THIS_MODULE
2011-10-31 19:30:35 -04:00
traps.c
Merge branch 'delete-mca' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-05-23 17:12:06 -07:00
tsc_sync.c
x86/tsc: Reduce the TSC sync check time for core-siblings
2012-02-22 11:49:40 +01:00
tsc.c
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 14:16:48 -07:00
uprobes.c
uprobes/core: Handle breakpoint and singlestep exceptions
2012-03-14 07:41:36 +01:00
verify_cpu.S
x86: Fix common misspellings
2011-03-18 10:39:30 +01:00
vm86_32.c
Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:21:35 -07:00
vmlinux.lds.S
x86, realmode: Move ACPI wakeup to unified realmode code
2012-05-08 11:46:05 -07:00
vsmp_64.c
x86/vsmp: Fix number of CPUs when vsmp is disabled
2012-05-14 14:42:33 +02:00
vsyscall_64.c
x86: vsyscall: Use NULL instead 0 for a pointer argument
2012-04-06 11:49:59 +02:00
vsyscall_emu_64.S
x86-64: Rework vsyscall emulation and add vsyscall= parameter
2011-08-10 19:26:46 -05:00
vsyscall_trace.h
x86-64: Add vsyscall:emulate_vsyscall trace event
2011-08-04 16:13:53 -07:00
x86_init.c
x86/apic: Replace io_apic_ops with x86_io_apic_ops.
2012-05-01 14:50:09 -04:00
x8664_ksyms_64.c
x86-64, mem: Convert memmove() to assembly file and fix return value bug
2011-01-25 16:58:39 -08:00
xsave.c
x86, xsave: remove thread_has_fpu() bug check in __sanitize_i387_state()
2012-05-16 15:17:17 -07:00