After previous Peter patch, they are redundant. This way we don't
assign them except when needed. Once there, there were lots of case
where the ".fields" indentation was wrong:
.fields = (VMStateField []) {
and
.fields = (VMStateField []) {
Change all the combinations to:
.fields = (VMStateField[]){
The biggest problem (appart from aesthetics) was that checkpatch complained
when we copy&pasted the code from one place to another.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
This fixes warnings from the static code analysis (smatch).
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20140505' into staging
migration/next for 20140505
# gpg: Signature made Mon 05 May 2014 21:27:24 BST using RSA key ID 5872D723
# gpg: Can't check signature: public key not found
* remotes/juanquintela/tags/migration/20140505: (36 commits)
migration: expose xbzrle cache miss rate
migration: expose the bitmap_sync_count to the end
migration: Add counts of updating the dirty bitmap
XBZRLE: Fix one XBZRLE corruption issues
migration: remove duplicate code
Coverity: Fix failure path for qemu_accept in migration
Init the XBZRLE.lock in ram_mig_init
Provide init function for ram migration
Count used RAMBlock pages for migration_dirty_pages
Make qemu_peek_buffer loop until it gets it's data
Disallow outward migration while awaiting incoming migration
virtio: validate config_len on load
virtio-net: out-of-bounds buffer write on load
openpic: avoid buffer overrun on incoming migration
ssi-sd: fix buffer overrun on invalid state load
savevm: Ignore minimum_version_id_old if there is no load_state_old
usb: sanity check setup_index+setup_len in post_load
vmstate: s/VMSTATE_INT32_LE/VMSTATE_INT32_POSITIVE_LE/
virtio-scsi: fix buffer overrun on invalid state load
zaurus: fix buffer overrun on invalid state load
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
CVE-2013-4149 QEMU 1.3.0 out-of-bounds buffer write in
virtio_net_load()@hw/net/virtio-net.c
> } else if (n->mac_table.in_use) {
> uint8_t *buf = g_malloc0(n->mac_table.in_use);
We are allocating buffer of size n->mac_table.in_use
> qemu_get_buffer(f, buf, n->mac_table.in_use * ETH_ALEN);
and read to the n->mac_table.in_use size buffer n->mac_table.in_use *
ETH_ALEN bytes, corrupting memory.
If adversary controls state then memory written there is controlled
by adversary.
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
CVE-2013-4150 QEMU 1.5.0 out-of-bounds buffer write in
virtio_net_load()@hw/net/virtio-net.c
This code is in hw/net/virtio-net.c:
if (n->max_queues > 1) {
if (n->max_queues != qemu_get_be16(f)) {
error_report("virtio-net: different max_queues ");
return -1;
}
n->curr_queues = qemu_get_be16(f);
for (i = 1; i < n->curr_queues; i++) {
n->vqs[i].tx_waiting = qemu_get_be32(f);
}
}
Number of vqs is max_queues, so if we get invalid input here,
for example if max_queues = 2, curr_queues = 3, we get
write beyond end of the buffer, with data that comes from
wire.
This might be used to corrupt qemu memory in hard to predict ways.
Since we have lots of function pointers around, RCE might be possible.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Clear the BMCR Reset when writing to registers.
Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
[ PC:
* Trivial style fixes to commit message
]
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The irq line status must be updated after writes to the INT_CTL and
INT_STA registers.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1395771730-16882-8-git-send-email-b.galvani@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
CVE-2013-4544
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1396604722-11902-5-git-send-email-dmitry@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
CVE-2013-4544
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1396604722-11902-4-git-send-email-dmitry@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
CVE-2013-4544
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1396604722-11902-3-git-send-email-dmitry@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
CVE-2013-4544
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1396604722-11902-2-git-send-email-dmitry@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When VM guest programs multicast addresses for
a virtio net card, it supplies a 32 bit
entries counter for the number of addresses.
These addresses are read into tail portion of
a fixed macs array which has size MAC_TABLE_ENTRIES,
at offset equal to in_use.
To avoid overflow of this array by guest, qemu attempts
to test the size as follows:
- if (in_use + mac_data.entries <= MAC_TABLE_ENTRIES) {
however, as mac_data.entries is uint32_t, this sum
can overflow, e.g. if in_use is 1 and mac_data.entries
is 0xffffffff then in_use + mac_data.entries will be 0.
Qemu will then read guest supplied buffer into this
memory, overflowing buffer on heap.
CVE-2014-0150
Cc: qemu-stable@nongnu.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1397218574-25058-1-git-send-email-mst@redhat.com
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Stefan Fritsch just fixed a virtio-net driver bug [1], virtio-net won't
filter out VLAN-tagged packets if VIRTIO_NET_F_CTRL_VLAN isn't negotiated.
This patch added a new field to @RxFilterInfo to indicate vlan receive
state ('normal', 'none', 'all'). If VIRTIO_NET_F_CTRL_VLAN isn't
negotiated, vlan receive state will be 'all', then all VLAN-tagged packets
will be received by guest.
This patch also fixed a boundary issue in visiting vlan table.
[1] http://lists.nongnu.org/archive/html/qemu-devel/2014-02/msg02604.html
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
If VIRTIO_NET_F_CTRL_VLAN is not negotiated, do not filter out all
VLAN-tagged packets but send them to the guest.
This fixes VLANs with OpenBSD guests (and probably NetBSD, too, because
the OpenBSD driver started as a port from NetBSD).
Signed-off-by: Stefan Fritsch <sf@sfritsch.de>
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
There are currently three types of object_property_add_link() callers:
1. The link property may be set at any time.
2. The link property of a DeviceState instance may only be set before
realize.
3. The link property may never be set, it is read-only.
Something similar can already be achieved with
object_property_add_str()'s set() argument. Follow its example and add
a check() argument to object_property_add_link().
Also provide default check() functions for case #1 and #2. Case #3 is
covered by passing a NULL function pointer.
Cc: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Anthony Liguori <aliguori@amazon.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
[AF: Tweaked documentation comment]
Signed-off-by: Andreas Färber <afaerber@suse.de>
Some object_property_add_link() callers expect property deletion to
unref the link property object. Other callers expect to manage the
refcount themselves. The former are currently broken and therefore leak
the link property object.
This patch adds a flags argument to object_property_add_link() so the
caller can specify which refcount behavior they require. The new
OBJ_PROP_LINK_UNREF_ON_RELEASE flag causes the link pointer to be
unreferenced when the property is deleted.
This fixes refcount leaks in qdev.c, xilinx_axidma.c, xilinx_axienet.c,
s390-virtio-bus.c, virtio-pci.c, virtio-rng.c, and ui/console.c.
Rationale for refcount behavior:
* hw/core/qdev.c
- bus children are explicitly unreferenced, don't interfere
- parent_bus is essentially a read-only property that doesn't hold a
refcount, don't unref
- hotplug_handler is leaked, do unref
* hw/dma/xilinx_axidma.c
- rx stream "dma" links are set using set_link, therefore they
need unref
- tx streams are set using set_link, therefore they need unref
* hw/net/xilinx_axienet.c
- same reasoning as hw/dma/xilinx_axidma.c
* hw/pcmcia/pxa2xx.c
- pxa2xx bypasses set_link and therefore does not use refcounts
* hw/s390x/s390-virtio-bus.c
* hw/virtio/virtio-pci.c
* hw/virtio/virtio-rng.c
* ui/console.c
- set_link is used and there is no explicit unref, do unref
Cc: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Anthony Liguori <aliguori@amazon.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Codespell found and fixed these new typos:
* doesnt -> doesn't
* funtion -> function
* perfomance -> performance
* remaing -> remaining
A coding style issue (line too long) was fixed manually.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
peer_{de,at}tach were called from inside assert().
We don't support building without NDEBUG but it's not tidy.
Rearrange to attach peer outside assert calls.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When the guests adds buffers to receive queue, the network device
should flush its queue of pending packets. This is done with
qemu_flush_queued_packets.
This adds a call to qemu_flush_queued_packets() which wakes up the main
loop and let QEMU update the network device status which now is "can
receive". The patch basically does the same thing as e8b4c68 does.
Suggested-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This implementation doesn't include ring priority, TCP/IP Off-Load, QoS.
Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
* fixes for various Coverity-spotted bugs
* support new KVM device control API for VGIC
* support KVM VGIC save/restore/migration
* more AArch64 system mode foundations
* support ARMv8 CRC instructions for A32/T32
* PL330 minor fixes and cleanup
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20140226' into staging
target-arm queue:
* fixes for various Coverity-spotted bugs
* support new KVM device control API for VGIC
* support KVM VGIC save/restore/migration
* more AArch64 system mode foundations
* support ARMv8 CRC instructions for A32/T32
* PL330 minor fixes and cleanup
# gpg: Signature made Wed 26 Feb 2014 17:51:32 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20140226: (45 commits)
dma/pl330: implement dmaadnh instruction
dma/pl330: Fix buffer depth
dma/pl330: Add event debugging printfs
dma/pl330: Rename parent_obj
dma/pl330: printf format type sweep.
dma/pl330: Fix misleading type
dma/pl330: Delete overly verbose debug printf
target-arm: Add support for AArch32 ARMv8 CRC32 instructions
include/qemu/crc32c.h: Rename include guards to match filename
target-arm: Add utility function for checking AA32/64 state of an EL
target-arm: Implement AArch64 view of CPACR
target-arm: A64: Implement MSR (immediate) instructions
target-arm: Store AIF bits in env->pstate for AArch32
target-arm: A64: Implement WFI
target-arm: Get MMU index information correct for A64 code
target-arm: Implement AArch64 OSLAR_EL1 sysreg as WI
target-arm: Implement AArch64 dummy breakpoint and watchpoint registers
target-arm: Implement AArch64 ID and feature registers
target-arm: Implement AArch64 generic timers
target-arm: Implement AArch64 MPIDR
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a cast to avoid an unintended sign extension that
would mean we returned 0xffffffff in the high 32 bits
for an IA0 read if bit 31 in the MAC address was 1.
(This is harmless since we'll only be doing 4 byte
reads, but it could be confusing, so best avoided.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Message-id: 1392647854-8067-3-git-send-email-peter.maydell@linaro.org
qemu_get_queue() is a shorthand for qemu_get_subqueue(n->nic, 0). Use
the shorthand where possible.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
There is no need to access backend->info->has_vnet_hdr() and friends
anymore. Use the qemu_has_vnet_hdr() API instead.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The virtio_net offload APIs are used on the NIC's peer (i.e. the tap
device). The API was defined to implicitly use nc->peer, saving the
caller the trouble.
This wasn't ideal because:
1. There are callers who have the peer but not the NIC. Currently they
are forced to bypass the API and access peer->info->... directly.
2. The rest of the net.h API uses nc, not nc->peer, so it is
inconsistent.
This patch pushes nc->peer back up to callers.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
With this patch, virtio-net and vmxnet3 frontends make
use of the qemu_peer_* API for backend offloadings manipulations,
instead of calling TAP-specific functions directly.
We also remove the existing checks which prevent those frontends
from using offloadings with backends different from TAP (e.g. netmap).
Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The following registers control whether MAC can receive frames:
- MODER.RXEN bit that enables/disables receiver;
- TX_BD_NUM register that specifies number of RX descriptors.
Notify QEMU networking core when the MAC is ready to receive frames.
Discard frame and raise BUSY interrupt when the frame arrives but the
current RX descriptor is not empty.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The following registers control whether MAC can receive frames:
- MODER.RXEN bit that enables/disables receiver;
- TX_BD_NUM register that specifies number of RX descriptors.
Notify QEMU networking core when the MAC is ready to receive frames.
Discard frame and raise BUSY interrupt when the frame arrives but the
current RX descriptor is not empty.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Replace them with uint8/32/64.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This patch adds support for the Fast Ethernet MAC found on Allwinner
SoCs, together with a basic emulation of Realtek RTL8201CP PHY.
Since there is no public documentation of the Allwinner controller, the
implementation is based on Linux kernel driver.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This includes new unit-tests for acpi by Marcel,
hotplug for pci bridges by myself (piix only so far)
and cpu hotplug for q35.
And a bunch of fixes all over the place as usual.
I included the patch to fix memory alignment for q35
as well - even though it limits 32 bit guests to 3G (they
previously could address more memory with PAE).
To remove the limit, this will have to be fixed in seabios.
I also added self as virtio co-maintainer so I don't need
to troll the list for patches to review.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
acpi,pci,pc,virtio fixes and enhancements
This includes new unit-tests for acpi by Marcel,
hotplug for pci bridges by myself (piix only so far)
and cpu hotplug for q35.
And a bunch of fixes all over the place as usual.
I included the patch to fix memory alignment for q35
as well - even though it limits 32 bit guests to 3G (they
previously could address more memory with PAE).
To remove the limit, this will have to be fixed in seabios.
I also added self as virtio co-maintainer so I don't need
to troll the list for patches to review.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 26 Jan 2014 11:12:09 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* mst/tags/for_anthony: (35 commits)
MAINTAINERS: add self as virtio co-maintainer
q35: document gigabyte_align
q35: gigabyte alignment for ram
acpi: Fix PCI hole handling on build_srat()
pc: Save size of RAM below 4GB
hw/pci: fix error flow in pci multifunction init
acpi-test: update expected AML since recent changes
pc: ACPI: update acpi-dsdt.hex.generated q35-acpi-dsdt.hex.generated
pc: ACPI: unify source of CPU hotplug IO base/len
pc: ACPI: expose PRST IO range via _CRS
pc: Q35 DSDT: exclude CPU hotplug IO range from PCI bus resources
pc: PIIX DSDT: exclude CPU/PCI hotplug & GPE0 IO range from PCI bus resources
pc: set PRST base in DSDT depending on chipset
acpi: ich9: add CPU hotplug handling to Q35 machine
acpi: factor out common cpu hotplug code for PIIX4/Q35
acpi-build: enable hotplug for PCI bridges
piix4: add acpi pci hotplug support
pcihp: generalization of piix4 acpi
pci: add pci_for_each_bus_depth_first
pc: make: fix dependencies: rebuild when included file is changed
...
Message-id: 1390735289-15563-1-git-send-email-mst@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The 9118 ethernet controller supports transmission of multi-buffer packets
with arbitrary byte alignment of the start and end bytes. All writes to
the packet fifo are 32 bits, so the controller discards bytes at the beginning
and end of each buffer based on the 'Data start offset' and 'Buffer size'
of the TX command 'A' format.
This patch uses the provided buffer length to limit the bytes transmitted.
Previously all the bytes of the last 32-bit word written to the TX fifo
were added to the internal transmit buffer structure resulting in more bytes
being transmitted than were submitted to the hardware in the command. This
resulted in extra bytes being inserted into the middle of multi-buffer
packets when the non-final buffers had non-32bit aligned ending addresses.
Signed-off-by: Roy Franz <roy.franz@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The 9118 ethernet controller supports transmission of multi-buffer packets
with arbitrary byte alignment of the start and end bytes. All writes to
the packet fifo are 32 bits, so the controller discards bytes at the beginning
and end of each buffer based on the 'Data start offset' and 'Buffer size'
of the TX command 'A' format.
This patch changes the buffer size and offset internal state variables to be
updated on every "TX command A" write. Previously they were only updated for
the first segment, which resulted incorrect behavior for packets with more
than one segment. Each segment of the packet has its own CMD A command, with
its own buffer size and start offset.
Also update extraction of fields from the CMD A word to use extract32().
Signed-off-by: Roy Franz <roy.franz@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
cgcc complains that -ENOSYS is not a good value for 'bool'.
A dummy virtio will never have pending queue entries, so let us return
false.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
