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Marc Zyngier d4ad442b99 arm/arm64: KVM: Take mmap_sem in kvm_arch_prepare_memory_region 
commit 72f310481a08db821b614e7b5d00febcc9064b36 upstream.

We don't hold the mmap_sem while searching for VMAs (via find_vma), in
kvm_arch_prepare_memory_region, which can end up in expected failures.

Fixes: commit 8eef91239e ("arm/arm64: KVM: map MMIO regions at creation time")
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Eric Auger <eric.auger@rehat.com>
Reviewed-by: Christoffer Dall <cdall@linaro.org>
[ Handle dirty page logging failure case ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-12 12:38:33 +02:00
..
alpha alpha: fix copy_from_user() 2016-09-24 10:07:45 +02:00
arc ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup 2017-02-14 15:22:50 -08:00
arm arm/arm64: KVM: Take mmap_sem in kvm_arch_prepare_memory_region 2017-04-12 12:38:33 +02:00
arm64 arm/arm64: KVM: Enforce unconditional flush to PoC when mapping to stage-2 2017-03-12 06:37:28 +01:00
avr32 avr32: off by one in at32_init_pio() 2016-10-07 15:23:45 +02:00
blackfin net: smc91x: fix SMC accesses 2016-09-30 10:18:37 +02:00
c6x c6x/ptrace: Remove useless PTRACE_SETREGSET implementation 2017-03-31 09:49:53 +02:00
cris cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected 2017-01-12 11:22:48 +01:00
frv frv: fix clear_user() 2016-09-24 10:07:44 +02:00
h8300 h8300/ptrace: Fix incorrect register transfer count 2017-03-31 09:49:53 +02:00
hexagon hexagon: fix strncpy_from_user() error return 2016-09-24 10:07:44 +02:00
ia64 ia64: copy_from_user() should zero the destination on access_ok() failure 2016-09-24 10:07:46 +02:00
m32r m32r: fix __get_user() 2016-09-24 10:07:43 +02:00
m68k m68k: Fix ndelay() macro 2016-12-15 08:49:23 -08:00
metag metag/ptrace: Reject partial NT_METAG_RPIPE writes 2017-03-31 09:49:54 +02:00
microblaze microblaze: fix copy_from_user() 2016-09-24 10:07:43 +02:00
mips MIPS: Lantiq: Fix cascaded IRQ setup 2017-04-08 09:53:32 +02:00
mn10300 mn10300: copy_from_user() should zero on access_ok() failure... 2016-09-24 10:07:45 +02:00
nios2 nios2: copy_from_user() should zero the tail of destination 2016-09-24 10:07:45 +02:00
openrisc openrisc: fix the fix of copy_from_user() 2016-09-24 10:07:46 +02:00
parisc parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header 2017-02-01 08:30:53 +01:00
powerpc powerpc/boot: Fix zImage TOC alignment 2017-03-26 12:13:19 +02:00
s390 s390/pci: fix use after free in dma_init 2017-03-26 12:13:18 +02:00
score score: fix copy_from_user() and friends 2016-09-24 10:07:44 +02:00
sh sh: fix copy_from_user() 2016-09-24 10:07:44 +02:00
sparc sparc/ptrace: Preserve previous registers for short regset write 2017-03-31 09:49:54 +02:00
tile tile/ptrace: Preserve previous registers for short regset write 2017-02-01 08:30:52 +01:00
um um: Don't discard .text.exit section 2016-09-07 08:32:38 +02:00
unicore32 pwm: Changes for v4.4-rc1 2015-11-11 09:16:10 -08:00
x86 xen/setup: Don't relocate p2m over existing one 2017-04-08 09:53:30 +02:00
xtensa xtensa: move parse_tag_fdt out of #ifdef CONFIG_BLK_DEV_INITRD 2017-03-15 09:57:14 +08:00
.gitignore
Kconfig kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00