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linux/arch/s390/kvm
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Christian Borntraeger 77bbeea781 KVM: s390: prevent buffer overrun on memory hotplug during migration 
commit c2cf265d86 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: 190df4a212 (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>
History 2018-01-10 09:31:23 +01:00
..
diag.c First batch of KVM changes for 4.14 2017-09-08 15:18:36 -07:00
gaccess.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gaccess.h s390: rename psw_bits enums 2017-06-12 16:26:02 +02:00
guestdbg.c KVM: s390: guestdbg: fix range check 2017-08-31 13:49:39 +02:00
intercept.c KVM: s390: Support keyless subset guest mode 2017-04-21 11:08:11 +02:00
interrupt.c KVM: s390: use WARN_ON_ONCE only for checking 2017-08-31 13:49:39 +02:00
irq.h KVM: s390: irq routing for adapter interrupts. 2014-03-21 13:43:00 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kvm-s390.c KVM: s390: fix cmma migration for multiple memory slots 2018-01-10 09:31:23 +01:00
kvm-s390.h KVM: s390: Multiple Epoch Facility support 2017-08-29 15:15:54 +02:00
Makefile KVM: s390: vsie: initial support for nested virtualization 2016-06-21 09:43:33 +02:00
priv.c KVM: s390: prevent buffer overrun on memory hotplug during migration 2018-01-10 09:31:23 +01:00
sigp.c KVM: s390: Support Configuration z/Architecture Mode 2017-08-28 16:25:13 +02:00
sthyi.c KVM: s390: sthyi: remove invalid guest write access 2017-08-29 15:15:56 +02:00
trace-s390.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vsie.c First batch of KVM changes for 4.14 2017-09-08 15:18:36 -07:00