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linux/drivers/xen
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Juergen Gross bf14e5189d xen-scsiback: mark pvscsi frontend request consumed only after last read 
commit facb5732b0 upstream.

A request in the ring buffer mustn't be read after it has been marked
as consumed. Otherwise it might already have been reused by the
frontend without violating the ring protocol.

To avoid inconsistencies in the backend only work on a private copy
of the request. This will ensure a malicious guest not being able to
bypass consistency checks of the backend by modifying an active
request.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2015-03-06 14:52:49 -08:00
..
events xen/events: support threaded irqs for interdomain event channels 2014-09-23 13:36:19 +00:00
xen-pciback xen: features and fixes for 3.18-rc0 2014-10-11 20:29:01 -04:00
xenbus xen: remove DEFINE_XENBUS_DRIVER() macro 2014-10-06 10:27:57 +01:00
xenfs xen: Convert printks to pr_<level> 2013-06-28 11:19:58 -04:00
acpi.c xen / ACPI: notify xen when reduced hardware sleep is available 2013-07-31 14:22:35 +02:00
balloon.c xen/balloon: Don't continue ballooning when BP_ECANCELED is encountered 2014-10-23 16:24:01 +01:00
biomerge.c xen: using EXPORT_SYMBOL requires including export.h 2012-01-18 15:37:49 -08:00
cpu_hotplug.c xen: Convert printks to pr_<level> 2013-06-28 11:19:58 -04:00
dbgp.c xen: Use dev_is_pci() to check whether it is pci device 2014-01-07 09:53:33 -05:00
efi.c xen/efi: Directly include needed headers 2014-09-23 13:36:20 +00:00
evtchn.c xen/evtchn: support more than 4096 ports 2014-01-06 10:07:50 -05:00
fallback.c xen-pciback: notify hypervisor about devices intended to be assigned to guests 2013-03-22 10:20:55 -04:00
features.c xen: clean up asm/xen/hypervisor.h 2008-12-16 21:50:31 +01:00
gntalloc.c xen/gntalloc: safely delete grefs in add_grefs() undo path 2014-09-04 13:14:05 +01:00
gntdev.c Revert "xen/grant-table: Avoid m2p_override during mapping" 2014-02-03 06:44:49 -05:00
grant-table.c xen/grant-table: refactor error cleanup in grow_gnttab_list() 2014-09-23 13:36:18 +00:00
Kconfig xen-scsiback: Add Xen PV SCSI backend driver 2014-09-23 13:36:19 +00:00
Makefile xen-scsiback: Add Xen PV SCSI backend driver 2014-09-23 13:36:19 +00:00
manage.c xen/manage: Fix USB interaction issues when resuming 2015-03-06 14:52:48 -08:00
mcelog.c xen: Convert printks to pr_<level> 2013-06-28 11:19:58 -04:00
pci.c xen/pci: Allocate memory for physdev_pci_device_add's optarr 2014-10-23 16:24:02 +01:00
pcpu.c drivers: xen: Include appropriate header file in pcpu.c 2014-02-28 15:26:08 -05:00
platform-pci.c drivers: xen: Mark function as static in platform-pci.c 2014-02-28 15:26:04 -05:00
privcmd.c xen: privcmd: do not return pages which we have failed to unmap 2013-12-06 17:55:56 +00:00
privcmd.h xen: Add privcmd device driver 2011-12-16 13:29:31 -05:00
swiotlb-xen.c xen/arm/arm64: introduce xen_arch_need_swiotlb 2015-02-05 22:36:10 -08:00
sys-hypervisor.c xen: sysfs: fix build warning. 2012-10-19 15:17:51 -04:00
tmem.c Bug-fixes: 2013-07-03 13:12:42 -07:00
xen-acpi-cpuhotplug.c ACPI: Drop acpi_evaluate_hotplug_ost() and ACPI_HOTPLUG_OST 2014-02-22 00:50:49 +01:00
xen-acpi-memhotplug.c ACPI: Drop acpi_evaluate_hotplug_ost() and ACPI_HOTPLUG_OST 2014-02-22 00:50:49 +01:00
xen-acpi-pad.c ACPI / PAD / xen: use acpi_evaluate_ost() to replace open-coded version 2014-02-21 00:27:47 +01:00
xen-acpi-processor.c xen-acpi-processor: Don't display errors when we get -ENOSYS 2014-05-23 12:34:00 -04:00
xen-balloon.c xen: Convert printks to pr_<level> 2013-06-28 11:19:58 -04:00
xen-scsiback.c xen-scsiback: mark pvscsi frontend request consumed only after last read 2015-03-06 14:52:49 -08:00
xen-selfballoon.c drivers:xen-selfballoon:reset 'frontswap_inertia_counter' after frontswap_shrink 2014-02-28 15:26:12 -05:00
xen-stub.c xen/acpi: remove redundant acpi/acpi_drivers.h include 2013-03-11 13:53:02 -04:00