Heiko Carstens d55c4c613f s390/gup: add missing TASK_SIZE check to get_user_pages_fast() ...

When walking page tables we need to make sure that everything
is within bounds of the ASCE limit of the task's address space.
Otherwise we might calculate e.g. a pud pointer which is not
within a pud and dereference it.
So check against TASK_SIZE (which is the ASCE limit) before
walking page tables.

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2012-11-13 11:02:26 +01:00

..

appldata

s390/vtimer: rework virtual timer interface

2012-07-20 11:15:08 +02:00

boot

s390: fix linker script for 31 bit builds

2012-10-18 17:50:10 +02:00

crypto

crypto: arch/s390 - cleanup - remove unneeded cra_list initialization

2012-08-01 17:47:29 +08:00

hypfs

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2012-10-02 20:25:04 -07:00

include

s390/topology: fix core id vs physical package id mix-up

2012-11-12 16:24:38 +01:00

kernel

s390/topology: fix core id vs physical package id mix-up

2012-11-12 16:24:38 +01:00

kvm

KVM updates for the 3.7 merge window

2012-10-04 09:30:33 -07:00

lib

s390/mm: use pmd_large() instead of pmd_huge()

2012-10-26 16:44:23 +02:00

math-emu

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +02:00

mm

s390/gup: add missing TASK_SIZE check to get_user_pages_fast()

2012-11-13 11:02:26 +01:00

net

s390/bpf,jit: add support for BPF_S_ANC_ALU_XOR_X instruction

2012-09-26 15:45:28 +02:00

oprofile

oprofile, s390: Fix uninitialized memory access when writing to oprofilefs

2012-08-27 14:49:23 +02:00

defconfig

s390: update defconfig

2012-09-26 15:45:29 +02:00

Kbuild

s390/bpf,jit: BPF Just In Time compiler for s390

2012-09-26 15:44:49 +02:00

Kconfig

s390/thp: select HAVE_ARCH_TRANSPARENT_HUGEPAGE

2012-10-18 17:50:10 +02:00

Kconfig.debug

s390/mm: add page table dumper

2012-10-09 14:16:58 +02:00

Makefile

s390: Use generic init_task

2012-05-05 13:00:25 +02:00