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qemu/hw/s390x
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Collin Walling 0260b97824 s390/sclp: check sccb len before filling in data 
The SCCB must be checked for a sufficient length before it is filled
with any data. If the length is insufficient, then the SCLP command
is suppressed and the proper response code is set in the SCCB header.

While we're at it, let's cleanup the length check by placing the
calculation inside a macro.

Fixes: 832be0d8a3 ("s390x: sclp: Report insufficient SCCB length")
Signed-off-by: Collin Walling <walling@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Message-Id: <20200915194416.107460-5-walling@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-10-02 13:52:49 +02:00
..
3270-ccw.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
ap-bridge.c qdev: Drop qbus_set_hotplug_handler() parameter @errp 2020-07-02 06:25:29 +02:00
ap-device.c ap-device: Rename AP_DEVICE_TYPE to TYPE_AP_DEVICE 2020-09-09 13:20:22 -04:00
ccw-device.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
ccw-device.h Use OBJECT_DECLARE_TYPE when possible 2020-09-18 14:12:32 -04:00
css-bridge.c qdev: Drop qbus_set_hotplug_handler() parameter @errp 2020-07-02 06:25:29 +02:00
css.c hw/s390x/css: Remove double initialization 2020-10-02 13:52:49 +02:00
event-facility.c s390/sclp: read sccb from mem based on provided length 2020-10-02 13:52:49 +02:00
ipl.c s390x/protvirt: allow to IPL secure guests with -no-reboot 2020-07-24 08:35:22 +02:00
ipl.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
Kconfig kconfig: add CONFIG_MSI_NONBROKEN 2019-03-18 09:39:57 +01:00
meson.build virtio: add vhost-user-fs-ccw device 2020-09-23 13:41:58 +01:00
pv.c s390x: pv: Fix KVM_PV_PREP_RESET command wrapper name 2020-06-05 17:13:11 +02:00
s390-ccw.c vfio-ccw: Add support for the schib region 2020-06-18 12:13:54 +02:00
s390-pci-bus.c qemu/atomic.h: rename atomic_ to qatomic_ 2020-09-23 16:07:44 +01:00
s390-pci-bus.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
s390-pci-inst.c add device_legacy_reset function to prepare for reset api change 2020-01-30 16:02:03 +00:00
s390-pci-inst.h s390x/pci: add common function measurement block 2019-01-18 11:52:01 +01:00
s390-skeys-kvm.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
s390-skeys.c util: rename qemu_open() to qemu_open_old() 2020-09-16 10:33:48 +01:00
s390-stattrib-kvm.c vl/s390x: fixup ram sizes for compat machines 2020-04-02 17:10:09 +02:00
s390-stattrib.c qom: Put name parameter before value / visitor parameter 2020-07-10 15:18:08 +02:00
s390-virtio-ccw.c cphp: remove deprecated cpu-add command(s) 2020-09-29 02:14:30 -04:00
s390-virtio-hcall.c s390x: rename s390-virtio.h to s390-virtio-hcall.h 2017-09-19 18:31:31 +02:00
s390-virtio-hcall.h s390/kvm_virtio/linux-headers: remove traces of old virtio transport 2017-11-24 10:52:05 +01:00
sclp.c s390/sclp: check sccb len before filling in data 2020-10-02 13:52:49 +02:00
sclpcpu.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
sclpquiesce.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
tod-kvm.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
tod-qemu.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
tod.c qdev: Convert bus-less devices to qdev_realize() with Coccinelle 2020-06-15 22:06:04 +02:00
trace-events trace-events: Shorten file names in comments 2019-03-22 16:18:07 +00:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vhost-user-fs-ccw.c virtio: add vhost-user-fs-ccw device 2020-09-23 13:41:58 +01:00
vhost-vsock-ccw.c vhost-vsock-ccw: force virtio version 1 2020-09-29 02:15:24 -04:00
virtio-ccw-9p.c qdev: Convert uses of qdev_set_parent_bus() with Coccinelle 2020-06-15 22:05:08 +02:00
virtio-ccw-balloon.c qdev: Convert uses of qdev_set_parent_bus() with Coccinelle 2020-06-15 22:05:08 +02:00
virtio-ccw-blk.c qdev: Convert uses of qdev_set_parent_bus() with Coccinelle 2020-06-15 22:05:08 +02:00
virtio-ccw-crypto.c virtio: Drop broken and superfluous object_property_set_link() 2020-07-22 07:57:07 -04:00
virtio-ccw-gpu.c qdev: Convert uses of qdev_set_parent_bus() with Coccinelle 2020-06-15 22:05:08 +02:00
virtio-ccw-input.c virtio-ccw-input: fix description 2020-08-27 12:37:03 +02:00
virtio-ccw-net.c qdev: Convert uses of qdev_set_parent_bus() with Coccinelle 2020-06-15 22:05:08 +02:00
virtio-ccw-rng.c virtio: Drop broken and superfluous object_property_set_link() 2020-07-22 07:57:07 -04:00
virtio-ccw-scsi.c qdev: Convert uses of qdev_set_parent_bus() with Coccinelle 2020-06-15 22:05:08 +02:00
virtio-ccw-serial.c qdev: Convert uses of qdev_set_parent_bus() with Coccinelle 2020-06-15 22:05:08 +02:00
virtio-ccw.c virtio: skip legacy support check on machine types less than 5.1 2020-09-29 02:15:24 -04:00
virtio-ccw.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00