Christian Borntraeger 77bbeea781 KVM: s390: prevent buffer overrun on memory hotplug during migration ...

commit c2cf265d860882b51a200e4a7553c17827f2b730 upstream.

We must not go beyond the pre-allocated buffer. This can happen when
a new memory slot is added during migration.

Reported-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Fixes: 190df4a212a7 (KVM: s390: CMMA tracking, ESSA emulation, migration mode)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-01-10 09:31:23 +01:00

..

appldata

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

boot

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

configs

s390: fix zfcpdump-config

2017-10-16 08:19:01 +02:00

crypto

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

hypfs

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

include

fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall

2017-12-17 15:07:59 +01:00

kernel

kernel: make groups_sort calling a responsibility group_info allocators

2017-12-20 10:10:18 +01:00

kvm

KVM: s390: prevent buffer overrun on memory hotplug during migration

2018-01-10 09:31:23 +01:00

lib

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

mm

s390/mm: fix off-by-one bug in 5-level page table handling

2017-12-14 09:52:56 +01:00

net

bpf, s390x: do not reload skb pointers in non-skb context

2017-12-25 14:26:31 +01:00

numa

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

oprofile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

pci

s390/pci: do not require AIS facility

2017-12-10 13:40:38 +01:00

tools

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

defconfig

s390: update defconfig

2017-06-08 15:53:48 +02:00

Kbuild

s390/crypto: Provide s390 specific arch random functionality.

2017-04-26 13:41:35 +02:00

Kconfig

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

Kconfig.debug

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

Makefile

s390: add support for IBM z14 machines

2017-07-26 08:25:15 +02:00