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Suresh Siddha 18a8622101 x86, i387: fix ptrace leakage using init_fpu() 
This bug got introduced by the recent i387 merge:

  commit 4421011120b2304e5c248ae4165a2704588aedf1
  Author: Roland McGrath <roland@redhat.com>
  Date:   Wed Jan 30 13:31:50 2008 +0100

      x86: x86 i387 user_regset

Current usage of unlazy_fpu() in ptrace specific routines is wrong.
unlazy_fpu() will not init fpu if the task never used math. So the
ptrace calls can expose the parent tasks FPU data in some cases.

Replace it with the init_fpu() which will init the math state, if the
task never used math before.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
2008-03-04 17:10:12 +01:00
..
acpi
PCI: don't load acpi_php when acpi is disabled
2008-02-21 15:34:37 -08:00
cpu
x86: fix boot failure on 486 due to TSC breakage
2008-02-26 12:56:04 +01:00
.gitignore
.gitignore update for x86 arch
2007-10-17 21:19:04 +02:00
alternative.c
x86: fix up alternatives with lockdep enabled
2008-01-30 13:33:24 +01:00
aperture_64.c
x86: change aper valid checking sequence
2008-01-30 13:33:39 +01:00
apic_32.c
x86: don't disable the APIC if it hasn't been mapped yet
2008-01-30 13:33:17 +01:00
apic_64.c
x86: change bios_cpu_apicid to percpu data variable fixup
2008-01-30 13:33:21 +01:00
apm_32.c
x86: isolate PIC/PIT in/out calls
2008-01-30 13:33:14 +01:00
asm-offsets_32.c
lguest: fix build breakage
2008-02-26 12:55:49 +01:00
asm-offsets_64.c
x86: add asm_offset PARAVIRT constants
2008-01-30 13:33:19 +01:00
asm-offsets.c
i386: move kernel
2007-10-11 11:17:01 +02:00
audit_64.c
x86_64: move kernel
2007-10-11 11:17:24 +02:00
bootflag.c
x86: coding style cleanup for kernel/bootflag.c
2008-01-30 13:32:31 +01:00
bugs_64.c
x86, 32-bit: trim memory not covered by wb mtrrs
2008-01-30 13:33:18 +01:00
cpuid.c
x86: cpuid, msr: use inode mutex instead of big kernel lock
2008-02-04 16:47:59 +01:00
crash_dump_32.c
kmap leak fix for x86_32 kdump
2007-10-19 11:53:33 -07:00
crash_dump_64.c
Delete filenames in comments.
2007-10-13 10:01:23 -07:00
crash.c
x86: disable hpet legacy replacement for kdump
2007-12-03 17:17:10 +01:00
doublefault_32.c
x86: unify tss_struct
2008-01-30 13:31:31 +01:00
ds.c
x86: fix small sparse warning
2008-01-31 22:05:47 +01:00
e820_32.c
x86_32: trim memory by updating e820
2008-01-30 13:33:32 +01:00
e820_64.c
x86_64: make bootmap_start page align v6
2008-02-01 17:49:41 +01:00
early_printk.c
x86: make early_console static in early_printk.c
2008-02-01 17:49:42 +01:00
early-quirks.c
x86: fix section mismatch warning in early-quirks.c
2008-01-30 13:33:37 +01:00
efi_32.c
x86: sparse error in efi_32.c
2008-02-19 16:18:28 +01:00
efi_64.c
x86: EFI runtime code mapping enhancement
2008-02-13 16:20:35 +01:00
efi_stub_32.S
i386: move kernel
2007-10-11 11:17:01 +02:00
efi_stub_64.S
x86: EFI runtime service support
2008-01-30 13:31:19 +01:00
efi.c
x86: sparse warning in efi.c
2008-02-19 16:18:28 +01:00
entry_32.S
x86: don't make irq_return global
2008-02-19 16:18:29 +01:00
entry_64.S
x86: fix execve with -fstack-protect
2008-02-26 12:55:57 +01:00
genapic_64.c
x86: cleanup x86_cpu_to_apicid references
2008-01-30 13:33:11 +01:00
genapic_flat_64.c
x86: convert cpu_to_apicid to be a per cpu variable
2007-10-19 20:35:03 +02:00
geode_32.c
x86: GEODE: MFGPT: Use "just-in-time" detection for the MFGPT timers
2008-02-09 23:24:08 +01:00
head64.c
x86: zap invalid and unused pmds in early boot
2008-02-18 20:54:14 +01:00
head_32.S
x86: don't make swapper_pg_pmd global
2008-02-26 12:55:58 +01:00
head_64.S
x86: rename KERNEL_TEXT_SIZE => KERNEL_IMAGE_SIZE
2008-02-26 12:55:56 +01:00
hpet.c
x86: hpet fix docbook comment
2008-02-26 12:55:50 +01:00
i386_ksyms_32.c
x86: unexport __{read,write}_lock_failed
2008-01-30 13:30:29 +01:00
i387.c
x86, i387: fix ptrace leakage using init_fpu()
2008-03-04 17:10:12 +01:00
i8237.c
Driver core: change sysdev classes to use dynamic kobject names
2008-01-24 20:40:40 -08:00
i8253.c
x86: pit_clockevent can be static
2008-02-13 16:20:35 +01:00
i8259_32.c
x86: i8259A: remove redundant irq_descinitialization
2008-02-19 16:18:34 +01:00
i8259_64.c
x86: provide a native_init_IRQ function on 64-bit
2008-01-30 13:33:19 +01:00
init_task.c
x86: delay the export removal of init_mm
2008-02-29 18:55:42 +01:00
io_apic_32.c
arch/x86/kernel/io_apic_{64,32}.c: use time_before
2008-01-30 13:32:19 +01:00
io_apic_64.c
arch/x86/kernel/io_apic_{64,32}.c: use time_before
2008-01-30 13:32:19 +01:00
io_delay.c
x86: unexport io_delay_type
2008-02-19 16:18:29 +01:00
ioport.c
x86: refactor ioport unification
2008-01-30 13:33:10 +01:00
irq_32.c
x86: remove all definitions with fastcall
2008-01-30 13:31:17 +01:00
irq_64.c
x86: rename the struct pt_regs members for 32/64-bit consistency
2008-01-30 13:30:56 +01:00
k8.c
x86_64: move kernel
2007-10-11 11:17:24 +02:00
kdebugfs.c
x86 boot : export boot_params via debugfs for debugging
2008-01-30 13:32:51 +01:00
kprobes.c
x86, kprobes: remove sparse warnings from x86
2008-02-19 16:18:28 +01:00
ldt.c
x86: cleanup - eliminate numbers in LDT allocation code
2008-02-04 16:48:03 +01:00
machine_kexec_32.c
vmcoreinfo: fix the configuration dependencies
2008-02-07 08:42:25 -08:00
machine_kexec_64.c
vmcoreinfo: fix the configuration dependencies
2008-02-07 08:42:25 -08:00
Makefile
x86: exclude vsyscall files from stackprotect
2008-02-19 16:18:32 +01:00
mca_32.c
Delete filenames in comments.
2007-10-13 10:01:23 -07:00
mfgpt_32.c
x86: GEODE: MFGPT: fix typo in printk in mfgpt_timer_setup
2008-02-09 23:24:08 +01:00
microcode.c
x86: fix section mismatch warnings when referencing notifiers
2008-02-01 17:49:42 +01:00
module_32.c
i386: move kernel
2007-10-11 11:17:01 +02:00
module_64.c
x86_64: move kernel
2007-10-11 11:17:24 +02:00
mpparse_32.c
Introduce flags for reserve_bootmem()
2008-02-07 08:42:25 -08:00
mpparse_64.c
x86: fix section mismatch warning in acpi/boot.c
2008-01-30 13:33:37 +01:00
msr.c
x86: cpuid, msr: use inode mutex instead of big kernel lock
2008-02-04 16:47:59 +01:00
nmi_32.c
x86: fix compile warning building without CONFIG_SYSCTL
2008-02-19 16:18:29 +01:00
nmi_64.c
x86: fix compile warning building without CONFIG_SYSCTL
2008-02-19 16:18:29 +01:00
numaq_32.c
x86: convert TSC disabling to generic cpuid disable bitmap
2008-01-30 13:33:20 +01:00
paravirt_patch_32.c
x86: move patching code to arch-specific file.
2008-01-30 13:32:10 +01:00
paravirt_patch_64.c
x86: add stringify header
2008-01-30 13:33:19 +01:00
paravirt.c
x86: fill in missing pv_mmu_ops entries for PAGETABLE_LEVELS >= 3
2008-01-30 13:33:20 +01:00
pci-calgary_64.c
iommu sg: x86: convert calgary IOMMU to use the IOMMU helper
2008-02-05 09:44:11 -08:00
pci-dma_32.c
i386: Clean up duplicate includes in arch/i386/kernel/
2007-10-17 20:15:51 +02:00
pci-dma_64.c
x86: pci-dma_64.c: cleanups
2008-01-30 13:30:31 +01:00
pci-gart_64.c
x86: fix gart_iommu_init()
2008-02-14 23:30:20 +01:00
pci-nommu_64.c
x86 gart: rename iommu.h to gart.h
2007-10-30 00:22:22 +01:00
pci-swiotlb_64.c
x86: nuke a ton of unused exports
2008-01-30 13:30:28 +01:00
pcspeaker.c
i386: move kernel
2007-10-11 11:17:01 +02:00
pmtimer_64.c
x86: move pmtmr related declarations
2008-01-30 13:30:18 +01:00
process_32.c
x86: disable BTS ptrace extensions for now
2008-02-29 18:55:42 +01:00
process_64.c
x86: disable BTS ptrace extensions for now
2008-02-29 18:55:42 +01:00
ptrace.c
x86: disable BTS ptrace extensions for now
2008-02-29 18:55:42 +01:00
quirks.c
Use proper abstractions in quirk_intel_irqbalance
2008-02-11 08:15:03 -08:00
reboot_fixups_32.c
x86: add the RDC machine specific reboot fixup
2008-01-30 13:33:36 +01:00
reboot.c
x86: fixup machine_ops reboot_{32|64}.c unification fallout
2008-02-13 16:20:35 +01:00
relocate_kernel_32.S
i386: move kernel
2007-10-11 11:17:01 +02:00
relocate_kernel_64.S
x86_64: move kernel
2007-10-11 11:17:24 +02:00
rtc.c
x86: fix sched_clock()
2008-01-30 13:32:40 +01:00
scx200_32.c
x86: fix sparse warning in kernel/scx200_32.c
2008-01-31 22:05:45 +01:00
setup64.c
x86: export __supported_pte_mask
2008-01-30 13:33:24 +01:00
setup_32.c
remove mca-pentium
2008-02-19 16:18:28 +01:00
setup_64.c
x86: fix boot failure on 486 due to TSC breakage
2008-02-26 12:56:04 +01:00
sigframe_32.h
i386: move kernel
2007-10-11 11:17:01 +02:00
signal_32.c
x86: remove unneded casts
2008-01-30 13:33:23 +01:00
signal_64.c
x86: print which shared library/executable faulted in segfault etc. messages v3
2008-01-30 13:33:18 +01:00
smp_32.c
x86: voluntary leave_mm before entering ACPI C3
2008-01-30 13:32:01 +01:00
smp_64.c
x86: voluntary leave_mm before entering ACPI C3
2008-01-30 13:32:01 +01:00
smpboot_32.c
calibrate_delay() must be __cpuinit
2008-02-06 10:41:08 -08:00
smpboot_64.c
x86: make c_idle.work have a static address.
2008-02-26 12:56:02 +01:00
smpcommon_32.c
x86: change write_gdt_entry signature.
2008-01-30 13:31:13 +01:00
srat_32.c
Merge branches 'release', 'bugzilla-6217', 'bugzilla-6629', 'bugzilla-6933', 'bugzilla-7186', 'bugzilla-8269', 'bugzilla-8570', 'bugzilla-9139', 'bugzilla-9277', 'bugzilla-9341', 'bugzilla-9444', 'bugzilla-9614', 'bugzilla-9643' and 'bugzilla-9644' into release
2008-02-07 03:09:43 -05:00
stacktrace.c
x86: don't save unreliable stack trace entries
2008-02-26 12:55:58 +01:00
step.c
x86: remove last user of get_segment_eip
2008-01-30 13:33:12 +01:00
summit_32.c
spelling fixes: arch/i386/
2007-10-20 01:13:56 +02:00
sys_i386_32.c
remove include/asm-*/ipc.h
2007-10-17 08:42:55 -07:00
sys_x86_64.c
x86: PIE executable randomization, checkpatch fixes
2008-01-30 13:31:07 +01:00
syscall_64.c
i386/x86_64: move headers to include/asm-x86
2007-10-11 11:20:03 +02:00
syscall_table_32.S
timerfd: wire the new timerfd API to the x86 family
2008-02-05 09:44:07 -08:00
tce_64.c
x86: Create clflush() inline, remove hardcoded wbinvd
2007-10-17 20:16:12 +02:00
test_nx.c
x86: mark the .rodata section also NX
2008-02-06 22:39:45 +01:00
test_rodata.c
x86: include proper prototypes for rodata_test
2008-02-14 23:30:20 +01:00
time_32.c
x86: rename the struct pt_regs members for 32/64-bit consistency
2008-01-30 13:30:56 +01:00
time_64.c
time: fix typo in comments
2008-02-08 09:22:29 -08:00
tls.c
x86: tls prevent_tail_call
2008-02-29 18:55:39 +01:00
tls.h
x86: x86 user_regset TLS
2008-01-30 13:31:52 +01:00
topology.c
x86: fix section mismatch warning in topology.c:arch_register_cpu
2008-02-19 16:18:30 +01:00
trampoline_32.S
x86: remove misleading comments in trampoline_*.S
2008-02-04 16:48:01 +01:00
trampoline_64.S
x86: remove misleading comments in trampoline_*.S
2008-02-04 16:48:01 +01:00
traps_32.c
x86: fix sparse error in traps_32.c
2008-02-06 22:39:44 +01:00
traps_64.c
x86: fix "BUG: sleeping function called from invalid context" in print_vma_addr()
2008-02-14 23:30:19 +01:00
tsc_32.c
x86: notsc is ignored on common configurations
2008-02-26 12:55:54 +01:00
tsc_64.c
x86: export check_tsc_unstable
2008-01-30 13:33:24 +01:00
tsc_sync.c
x86: add warning to check_tsc_warp()
2008-01-30 13:33:24 +01:00
verify_cpu_64.S
x86_64: move kernel
2007-10-11 11:17:24 +02:00
vm86_32.c
arch/x86/: spelling fixes
2008-01-30 13:31:42 +01:00
vmi_32.c
x86: VMI fix
2008-02-04 16:47:54 +01:00
vmiclock_32.c
x86: isolate PIC/PIT in/out calls
2008-01-30 13:33:14 +01:00
vmlinux_32.lds.S
x86: lds - Use PAGE_SIZE instead of numeric constant
2008-02-19 16:18:33 +01:00
vmlinux_64.lds.S
x86: lds - Use THREAD_SIZE instead of numeric constant
2008-02-19 16:18:34 +01:00
vmlinux.lds.S
i386: move kernel
2007-10-11 11:17:01 +02:00
vsmp_64.c
x86: clean up arch/x86/kernel/vsmp_64.c
2008-01-30 13:30:24 +01:00
vsyscall_64.c
x86: restore vsyscall64 prochandler
2008-02-29 18:55:39 +01:00
x8664_ksyms_64.c
x86: export cpu_gdt_descr
2008-01-30 13:31:10 +01:00