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Hu Tao 7c2bbf4aa6 qcow2: check for NULL l2meta 
In the case of a metadata preallocation with a large cluster size,
qcow2_alloc_cluster_offset() can allocate nothing and returns a
NULL l2meta. This patch checks for it and link2 l2 with only valid
l2meta.

Replace 9 and 512 with BDRV_SECTOR_BITS, BDRV_SECTOR_SIZE
respectively while at the function.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-02-09 09:12:39 +01:00
audio
Add the ability to vary Spice playback and record rates, to facilitate Opus support.
2014-02-03 11:05:15 +01:00
backends
virtio_rng: replace custom backend API with UserCreatable.complete() callback
2014-01-28 12:47:11 -05:00
block
qcow2: check for NULL l2meta
2014-02-09 09:12:39 +01:00
bsd-user
*-user: Improve documentation for lock_user function
2013-09-20 20:09:24 +04:00
default-configs
default-configs: Add config for aarch64-linux-user
2014-01-08 19:07:21 +00:00
disas
disas/i386.c: disassemble movbe instruction
2014-01-25 14:12:17 -08:00
docs
Merge remote-tracking branch 'mst/tags/for_anthony' into staging
2014-01-31 00:23:27 +00:00
dtc @ bc895d6d09
dtc: add submodule
2013-04-18 13:50:53 +02:00
fpu
softfloat: Add support for ties-away rounding
2014-01-08 19:07:22 +00:00
fsdev
fsdev: Fix potential memory leak
2013-07-09 13:38:56 -05:00
gdb-xml
target-arm: Support fp registers in gdb stub
2013-12-17 19:42:32 +00:00
hw
Merge remote-tracking branch 'remotes/mwalle/tags/lm32-fixes/20140204' into staging
2014-02-08 15:57:51 +00:00
include
Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20140204-1' into staging
2014-02-08 13:12:50 +00:00
libcacard
vscclient: do not add a socket watch if there is not data to send
2013-12-16 10:12:19 +01:00
linux-headers
kvm: add support for hyper-v timers
2014-02-03 17:33:55 +01:00
linux-user
linux-user: Fix trampoline code for CRIS
2014-02-03 14:04:00 +00:00
net
tap-linux: Get features once and use it many times
2014-01-27 15:44:06 +01:00
pc-bios
Merge remote-tracking branch 'remotes/kraxel/tags/pull-roms-1' into staging
2014-02-07 16:42:13 +00:00
pixman @ 97336fad32
qapi: move include files to include/qobject/
2012-12-19 08:31:31 +01:00
po
po: Update all *.po files
2013-08-07 12:48:00 -05:00
qapi
qapi: fix memleak by adding implict struct functions in dealloc visitor
2013-11-05 19:58:38 -08:00
qga
qga: Fix two format strings for MinGW
2013-11-25 20:35:28 -08:00
qobject
qapi: extend qdict_flatten() for QLists
2014-01-22 12:07:17 +01:00
qom
add optional 2nd stage initialization to -object/object-add commands
2014-01-28 12:47:02 -05:00
roms
Merge remote-tracking branch 'remotes/kraxel/tags/pull-roms-1' into staging
2014-02-07 16:42:13 +00:00
scripts
Merge remote-tracking branch 'stefanha/tags/tracing-pull-request' into staging
2014-01-31 11:13:08 +00:00
slirp
misc: Spelling and grammar fixes in comments
2013-10-26 13:06:45 +04:00
stubs
Merge remote-tracking branch 'kiszka/queues/slirp' into staging
2013-09-17 10:01:24 -05:00
sysconfigs/target
…
target-alpha
misc: Replace 'struct QEMUTimer' by 'QEMUTimer'
2013-12-02 21:03:39 +04:00
target-arm
target-arm: A64: Add SIMD shift by immediate
2014-01-31 14:47:37 +00:00
target-cris
cris: Add interrupt signals to the CPU device
2014-02-03 14:03:59 +00:00
target-i386
target-i386: Move KVM default-vendor hack to instance_init
2014-02-03 17:33:55 +01:00
target-lm32
target-lm32: stop VM on illegal or unknown instruction
2014-02-04 19:47:39 +01:00
target-m68k
Merge remote-tracking branch 'rth/tcg-pull' into staging
2013-10-11 09:36:52 -07:00
target-microblaze
Microblaze: Convert Microblaze-pic handling to GPIOs
2014-01-14 11:08:36 +10:00
target-mips
target-mips: Use new qemu_ld/st opcodes
2013-12-21 16:42:11 +01:00
target-moxie
cpu: Drop cpu_model_str from CPU_COMMON
2013-10-07 11:48:47 +02:00
target-openrisc
openrisc: Fix spelling in comment (transaltion -> translation)
2013-12-23 16:02:19 +04:00
target-ppc
PPC: Fix compilation with TCG debug
2013-12-22 19:15:55 +01:00
target-s390x
s390x/kvm: cleanup partial register handling
2014-01-31 09:43:44 +01:00
target-sh4
target-sh4: Use new qemu_ld/st opcodes
2013-12-21 16:42:15 +01:00
target-sparc
SPARC: Fix LEON3 power down instruction
2014-01-15 15:37:33 +10:00
target-unicore32
Merge remote-tracking branch 'rth/tcg-pull' into staging
2013-10-11 09:36:52 -07:00
target-xtensa
target-xtensa: add missing DEBUG section to dc233c config
2013-11-08 09:26:07 +04:00
tcg
tcg/s390: Remove sigill_handler
2014-02-01 13:45:20 +04:00
tests
block: Fail gracefully with missing filename
2014-02-09 09:12:38 +01:00
trace
trace: add glib 2.32+ static GMutex support
2014-01-27 15:49:39 +01:00
ui
gtk: Support keyboard translation for hosts running Windows
2014-01-20 19:30:28 +01:00
util
osdep: drop unused #include "trace.h"
2014-02-01 13:42:38 +04:00
.exrc
…
.gitignore
.gitignore: Ignore config.status
2013-12-02 21:02:57 +04:00
.gitmodules
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
.mailmap
Update mailmap
2013-09-05 09:40:31 -05:00
.travis.yml
.travis.yml: Add aarch64-* targets
2014-01-08 19:07:20 +00:00
aio-posix.c
aio: make aio_poll(ctx, true) block with no fds
2013-12-06 16:53:51 +01:00
aio-win32.c
aio: make aio_poll(ctx, true) block with no fds
2013-12-06 16:53:51 +01:00
arch_init.c
Don't abort on memory allocation error
2014-02-04 16:50:37 +01:00
async.c
aio / timers: aio_ctx_prepare sets timeout from AioContext timers
2013-08-22 19:10:28 +02:00
balloon.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
block-migration.c
block: per caller dirty bitmap
2013-11-29 13:40:33 +01:00
block.c
block: Fail gracefully with missing filename
2014-02-09 09:12:38 +01:00
blockdev-nbd.c
nbd: use BlockDriverState refcnt
2013-09-06 15:25:08 +02:00
blockdev.c
qmp: Allow to take external snapshots on bs graphs node.
2014-01-24 16:07:08 +01:00
blockjob.c
qapi: make use of new BlockJobType
2013-10-11 10:52:54 +02:00
bt-host.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
bt-vhci.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
Changelog
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
CODING_STYLE
…
configure
block: add native support for NFS
2014-02-09 09:12:38 +01:00
COPYING
…
COPYING.LIB
…
coroutine-gthread.c
block: move include files to include/block/
2012-12-19 08:31:31 +01:00
coroutine-sigaltstack.c
Merge remote-tracking branch 'kwolf/for-anthony' into staging
2013-02-26 07:44:39 -06:00
coroutine-ucontext.c
Fix warnings suppressors to honor --disable-werror
2013-04-17 10:28:04 -05:00
coroutine-win32.c
block: move include files to include/block/
2012-12-19 08:31:31 +01:00
cpu-exec.c
Merge remote-tracking branch 'afaerber/tags/qom-cpu-for-anthony' into staging
2014-01-10 11:04:31 -08:00
cpus.c
target-i386: Move apic_state field from CPUX86State to X86CPU
2013-12-23 16:30:40 +01:00
cputlb.c
memory: split cpu_physical_memory_* functions to its own include
2014-01-13 14:04:54 +01:00
device_tree.c
device_tree: qemu_fdt_setprop: Rename val_array arg
2013-12-20 01:58:12 +01:00
device-hotplug.c
hw: move device-hotplug.o to toplevel, compile it once
2013-03-01 13:57:13 +01:00
disas.c
disas: Implement fallback to dump object code as hex
2013-08-24 07:26:45 +02:00
dma-helpers.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
dump.c
dump-guest-memory: Check for the correct return value
2013-10-25 23:25:48 +02:00
exec.c
address_space_translate: do not cross page boundaries
2014-01-30 14:20:45 +00:00
gdbstub.c
vl: allow "cont" from panicked state
2013-11-04 15:39:41 +02:00
HACKING
HACKING: Document vaddr type usage
2013-07-23 02:41:31 +02:00
hmp-commands.hx
block: update block commit documentation regarding image truncation
2014-01-24 16:12:49 +01:00
hmp.c
qmp: Allow to take external snapshots on bs graphs node.
2014-01-24 16:07:08 +01:00
hmp.h
monitor: add object-add (QMP) and object_add (HMP) command
2014-01-06 13:45:47 -05:00
iohandler.c
iohandler: switch to GPollFD
2013-02-21 16:17:31 -06:00
ioport.c
portio: Allow to mark portio lists as coalesced MMIO flushing
2013-10-17 17:24:15 +02:00
kvm-all.c
Merge remote-tracking branch 'remotes/kvm/uq/master' into staging
2014-02-06 23:51:24 +00:00
kvm-stub.c
kvm irqfd: support direct msimessage to irq translation
2013-09-20 12:37:52 +02:00
LICENSE
LICENSE: clarify
2013-08-12 09:15:12 -05:00
main-loop.c
slirp: set mainloop timeout with more precise value
2013-09-17 12:26:05 +02:00
MAINTAINERS
block: add native support for NFS
2014-02-09 09:12:38 +01:00
Makefile
Add bios-256k.bin to BLOBS on Makefile
2014-01-15 23:34:17 +04:00
Makefile.objs
readline: move readline to a generic location
2014-01-22 12:07:17 +01:00
Makefile.target
default-configs/: CONFIG_GDBSTUB_XML removed
2013-10-16 18:21:01 +02:00
memory_mapping.c
cpu: Use QTAILQ for CPU list
2013-09-03 12:25:55 +02:00
memory.c
memory: split cpu_physical_memory_* functions to its own include
2014-01-13 14:04:54 +01:00
migration-exec.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
migration-fd.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
migration-rdma.c
rdma: constify ram_chunk_{index, start, end}
2013-09-24 13:22:50 +02:00
migration-tcp.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
migration-unix.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
migration.c
XBZRLE cache size should not be larger than guest memory size
2014-02-04 16:49:28 +01:00
monitor.c
Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-02-02' into staging
2014-02-05 16:37:26 +00:00
nbd.c
nbd: don't change socket block during negotiate
2013-12-16 10:12:20 +01:00
os-posix.c
Add option to mlock qemu and guest memory
2013-04-22 08:52:23 -05:00
os-win32.c
qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32
2013-04-12 18:27:16 +02:00
page_cache.c
Don't abort on memory allocation error
2014-02-04 16:50:37 +01:00
qapi-schema.json
block: add native support for NFS
2014-02-09 09:12:38 +01:00
qdev-monitor.c
Merge remote branch 'luiz/queue/qmp' into qmpq
2014-01-14 12:10:08 +10:00
qdict-test-data.txt
…
qemu-bridge-helper.c
qemu-bridge-helper: force usage of a very high MAC address for the bridge
2013-03-28 12:58:52 -05:00
qemu-char.c
misc: Use macro ARRAY_SIZE where possible
2013-12-23 16:02:19 +04:00
qemu-coroutine-io.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
qemu-coroutine-lock.c
coroutine: remove qemu_co_queue_wait_insert_head
2013-12-02 17:11:49 +01:00
qemu-coroutine-sleep.c
coroutine: add co_aio_sleep_ns() to allow sleep in block drivers
2013-10-30 12:22:09 +01:00
qemu-coroutine.c
coroutine: add ./configure --disable-coroutine-pool
2013-09-12 10:12:48 +02:00
qemu-doc.texi
Describe flaws in qcow/qcow2 encryption in the docs
2014-01-31 22:05:03 +01:00
qemu-file.c
qemu-file: Move QEMUFile code to qemu-file.c
2014-01-13 12:39:49 +01:00
qemu-img-cmds.hx
qemu-img: add -l for snapshot in convert
2013-12-04 15:19:00 +01:00
qemu-img.c
qemu-option: Remove qemu_opts_create_nofail
2014-01-06 15:02:30 -05:00
qemu-img.texi
Describe flaws in qcow/qcow2 encryption in the docs
2014-01-31 22:05:03 +01:00
qemu-io-cmds.c
qemu-io: New command 'sleep'
2014-01-24 17:40:03 +01:00
qemu-io.c
readline: Add missing GCC_FMT_ATTR
2014-02-01 13:46:06 +04:00
qemu-log.c
qemu-log: default to stderr for logging output
2013-02-26 13:31:47 -06:00
qemu-nbd.c
qemu-nbd: add doc for option -f
2013-12-04 15:19:00 +01:00
qemu-nbd.texi
qemu-nbd: add doc for option -f
2013-12-04 15:19:00 +01:00
qemu-options-wrapper.h
…
qemu-options.h
…
qemu-options.hx
doc: Mention chardev:id in available devices for -serial
2014-01-01 18:03:55 +04:00
qemu-seccomp.c
seccomp: add some basic shared memory syscalls to the whitelist
2014-01-20 11:19:34 -02:00
qemu-tech.texi
…
qemu-timer.c
timer: add timer_mod_anticipate and timer_mod_anticipate_ns
2013-10-17 17:31:00 +02:00
qemu.nsi
nsis: Improved support for parallel installation of 32 and 64 bit code
2013-11-07 07:02:44 +01:00
qemu.sasl
Fix command example in qemu.sasl
2013-07-19 12:52:03 +04:00
qmp-commands.hx
block: update block commit documentation regarding image truncation
2014-01-24 16:12:49 +01:00
qmp.c
add optional 2nd stage initialization to -object/object-add commands
2014-01-28 12:47:02 -05:00
qtest.c
qtest: split configuration of qtest accelerator and chardev
2013-12-10 12:29:56 +02:00
README
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
rules.mak
rules.mak: New string testing functions
2013-10-16 18:21:00 +02:00
savevm.c
savevm: Small comment about why timer QEMUFile/VMState code is in savevm.c
2014-01-13 12:39:49 +01:00
spice-qemu-char.c
spice: hook qemu_chr_fe_set_open() event to ports
2014-02-03 11:05:15 +01:00
tcg-runtime.c
tcg: Implement multiword multiply helpers
2013-02-23 17:25:28 +00:00
tci.c
misc: Use new rotate functions
2013-09-25 21:23:05 +02:00
thread-pool.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
thunk.c
exec: move include files to include/exec/
2012-12-19 08:31:31 +01:00
tpm.c
tpm.c: Don't try to put -1 in a variable of type TpmModel
2013-07-29 10:37:10 -05:00
trace-events
qcow2: remove n_start and n_end of qcow2_alloc_cluster_offset()
2014-02-09 09:12:39 +01:00
translate-all.c
kvm: initialize qemu_host_page_size
2014-01-17 11:12:07 -07:00
translate-all.h
split definitions for exec.c and translate-all.c radix trees
2013-12-10 12:29:56 +02:00
user-exec.c
linux-user: fix segmentation fault passing with h2g(x) != x
2013-07-23 17:28:28 +03:00
VERSION
Open 2.0 development tree
2013-11-27 14:02:45 -08:00
version.rc
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
vl.c
Merge remote-tracking branch 'qmp-unstable/queue/qmp' into staging
2014-02-01 23:32:31 +00:00
vmstate.c
vmstate: Move VMState code to vmstate.c
2014-01-13 12:39:49 +01:00
xbzrle.c
Move XBZRLE encoding code to a separate file to allow testing
2013-02-01 08:32:20 +01:00
xen-all.c
xen: fix two errors when debug is enabled
2013-12-01 18:25:48 +00:00
xen-mapcache.c
hw: move headers to include/
2013-04-08 18:13:10 +02:00
xen-stub.c
pc: Initializing ram_memory under Xen.
2013-09-09 16:22:19 +00:00

README 

Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org

- QEMU team
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Description
Original Xbox Emulator for Windows, macOS, and Linux (Active Development)
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