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e4603fe139
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Kevin Wolf e4603fe139 qcow2: Fix header update with overridden backing file 
In recent qemu versions, it is possible to override the backing file
name and format that is stored in the image file with values given at
runtime. In such cases, the temporary override could end up in the
image header if the qcow2 header was updated, while obviously correct
behaviour would be to leave the on-disk backing file path/format
unchanged.

Fix this and add a test case for it.

Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1428411796-2852-1-git-send-email-kwolf@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-04-08 10:29:20 +01:00
audio audio: Don't free hw resources until after hw backend is stopped 2014-12-22 23:12:25 +00:00
backends hostmem: Prevent removing an in-use memory backend 2015-04-01 10:06:38 +02:00
block qcow2: Fix header update with overridden backing file 2015-04-08 10:29:20 +01:00
bsd-user cpu: Make cpu_init() return QOM CPUState object 2015-03-10 17:33:51 +01:00
default-configs hw/usb: Include USB files only if necessary 2015-03-18 11:50:47 +01:00
disas cris: remove unused cris_cond15 declarations 2015-03-19 11:11:55 +03:00
docs docs: add memory-hotplug.txt 2015-03-04 13:00:36 -05:00
dtc@bc895d6d09
fpu softfloat: expand out STATUS macro 2015-02-06 16:11:38 +00:00
fsdev Fix typos in comments 2015-03-19 11:30:37 +03:00
gdb-xml s390x/gdb: add the feature xml files for s390x 2014-09-01 09:45:19 +02:00
hw pcspk: Fix I/O port name 2015-04-04 09:45:59 +03:00
include vhost: fix typo in vq_index description 2015-04-04 09:48:19 +03:00
libcacard libcacard: stop linking against every single 3rd party library 2015-02-10 09:27:20 +03:00
libdecnumber libdecnumber: Fix warnings from smatch (missing static, boolean operations) 2014-08-24 13:21:06 +04:00
linux-headers synchronize Linux headers to 4.0-rc3 2015-03-10 09:26:22 +01:00
linux-user rcu: do not create thread in pthread_atfork callback 2015-04-01 10:06:38 +02:00
migration rdma: Fix cleanup in error paths 2015-03-26 15:31:46 +01:00
net net: synchronize net_host_device_remove with host_net_remove_completion 2015-03-12 19:59:39 +00:00
pc-bios pseries: Update SLOF firmware image to qemu-slof-20150313 2015-03-25 22:49:45 +01:00
pixman@87eea99e44 pixman: update internal copy to pixman-0.32.6 2014-09-15 08:14:19 +02:00
po po: fix conflict with %.mo rule in rules.mak 2014-09-26 13:35:08 +02:00
qapi block: Document blockdev-add's immaturity 2015-03-27 10:01:12 +00:00
qga qga: fitering out -fstack-protector-strong 2015-04-02 15:57:27 +02:00
qobject qjson: Drop trailing space for pretty formatting 2014-12-10 10:25:30 +01:00
qom qom: Add can_be_deleted callback to UserCreatableClass 2015-04-01 10:06:38 +02:00
roms pseries: Update SLOF firmware image to qemu-slof-20150313 2015-03-25 22:49:45 +01:00
scripts build: pass .d file name to scripts/make_device_config.sh, fix makefile target 2015-03-18 12:07:25 +01:00
slirp slirp: udp: fix NULL pointer dereference because of uninitialized socket 2014-09-23 19:15:05 +01:00
stubs pci, pc, virtio fixes and cleanups 2015-03-09 09:14:28 +00:00
sysconfigs/target
target-alpha tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
target-arm target-arm: kvm64 fix save/restore of SPSR regs 2015-04-01 17:57:30 +01:00
target-cris cris: remove unused cris_cond15 declarations 2015-03-19 11:11:55 +03:00
target-i386 target-i386: remove superfluous TARGET_HAS_SMC macro 2015-04-04 09:45:59 +03:00
target-lm32 tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
target-m68k tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
target-microblaze tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
target-mips trivial patches for 2015-03-19 2015-03-19 14:10:20 +00:00
target-moxie target-moxie: Fix warnings from Sparse (one-bit signed bitfield) 2015-03-19 11:11:55 +03:00
target-openrisc tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
target-ppc target-ppc: Remove POWER5+ v0.0 that never existed 2015-03-25 22:49:46 +01:00
target-s390x Final batch of s390x enhancements/fixes for 2.3: 2015-03-16 11:44:55 +00:00
target-sh4 tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
target-sparc tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
target-tricore target-tricore: Fix check which was always false 2015-04-04 09:45:59 +03:00
target-unicore32 tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
target-xtensa tcg: Change translator-side labels to a pointer 2015-03-13 12:28:18 -07:00
tcg tcg/optimize: Handle or r,a,a with constant a 2015-03-16 08:46:13 -07:00
tests qcow2: Fix header update with overridden backing file 2015-04-08 10:29:20 +01:00
trace Remove superfluous '\n' around error_report() 2015-03-10 08:15:33 +03:00
ui CVE-2015-1779: limit size of HTTP headers from websockets clients 2015-04-01 17:12:55 +02:00
util util/qemu-config: fix regression of qmp_query_command_line_options 2015-04-02 15:57:27 +02:00
.exrc
.gitignore gitignore: Ignore more .pod files. 2015-04-04 09:45:59 +03:00
.gitmodules PPC: Add u-boot firmware for e500 2014-06-16 13:24:35 +02:00
.mailmap
.travis.yml .travis.yml: Add "--enable-modules" 2015-01-26 12:27:05 +01:00
accel.c accel: Create accel object when initializing machine 2014-10-09 15:36:14 +02:00
aio-posix.c block: Use g_new0() for a bit of extra type checking 2014-12-10 10:31:21 +01:00
aio-win32.c block: Use g_new0() for a bit of extra type checking 2014-12-10 10:31:21 +01:00
arch_init.c migration: remove last_sent_block from save_page_header 2015-03-26 15:31:46 +01:00
async.c block: replace g_new0 with g_new for bottom half allocation. 2015-01-13 11:47:56 +00:00
balloon.c balloon: Fix typo 2015-02-23 10:56:09 -05:00
block.c block: Fix unaligned zero write 2015-03-27 10:01:12 +00:00
blockdev-nbd.c nbd: Fix up comment after commit e140177 2015-03-25 13:38:07 +01:00
blockdev.c block: Fix blockdev-backup not to use funky error class 2015-03-19 16:02:59 +01:00
blockjob.c block: declare blockjobs and dataplane friends! 2014-11-03 11:41:49 +00:00
bootdevice.c misc: fix typos in copyright declaration 2015-03-26 14:21:43 +01:00
bt-host.c
bt-vhci.c
Changelog
CODING_STYLE CODING_STYLE: Section about conditional statement 2014-08-15 18:54:06 +04:00
configure seccomp: libseccomp version varying according to arch 2015-03-26 16:58:22 +00:00
COPYING
COPYING.LIB
coroutine-gthread.c glib-compat.h: add new thread API emulation on top of pre-2.31 API 2014-06-10 07:44:01 +02:00
coroutine-sigaltstack.c coroutine-sigaltstack: Change jmp_buf to sigjmp_buf 2014-11-11 11:07:55 +03:00
coroutine-ucontext.c coroutine-ucontext: use __thread 2015-01-13 13:43:28 +00:00
coroutine-win32.c coroutine-win32.c: Add noinline attribute to work around gcc bug 2014-06-26 14:08:14 +01:00
cpu-exec.c - vhost-scsi: add bootindex property 2015-02-24 13:58:18 +00:00
cpus.c cpus: Don't kick un-realized cpus. 2015-03-25 13:38:07 +01:00
cputlb.c exec: RCUify AddressSpaceDispatch 2015-02-16 17:30:19 +01:00
device_tree.c machine: query phandle-start machine property 2015-03-11 18:17:11 +01:00
device-hotplug.c pci-hotplug-old: Has been dead for five major releases, bury 2015-03-01 12:37:54 +01:00
disas.c monitor: QEMU Monitor Instruction Disassembly Incorrect for PowerPC LE Mode 2014-06-16 13:24:26 +02:00
dma-helpers.c hw: Convert from BlockDriverState to BlockBackend, mostly 2014-10-20 14:02:25 +02:00
dump.c dump: Fix dump-guest-memory termination and use-after-close 2014-11-02 10:04:34 +03:00
exec.c Revert "exec: Respect as_tranlsate_internal length clamp" 2015-04-01 10:06:38 +02:00
gdbstub.c gdbstub: avoid possible NULL pointer dereference 2015-03-10 08:15:34 +03:00
HACKING
hmp-commands.hx hmp: Fix texinfo documentation 2015-03-19 11:35:52 +03:00
hmp.c migration/next for 20150317 2015-03-17 17:11:33 +00:00
hmp.h qom: Implement qom-set HMP command 2015-03-17 14:31:15 +01:00
iohandler.c iohandler.c: Properly initialize sigaction struct 2014-05-24 00:07:29 +04:00
ioport.c memory: convert memory_region_destroy to object_unparent 2014-08-18 12:06:20 +02:00
iothread.c async: aio_context_new(): Handle event_notifier_init failure 2014-09-22 11:39:48 +01:00
kvm-all.c kvm-all: Sync dirty-bitmap from kvm before kvm destroy the corresponding dirty_bitmap 2015-04-02 15:58:37 +02:00
kvm-stub.c pc: kvm: check if KVM has free memory slots to avoid abort() 2014-11-23 12:11:29 +02:00
LICENSE vfio: move hw/misc/vfio.c to hw/vfio/pci.c Move vfio.h into include/hw/vfio 2014-12-19 15:24:06 -07:00
main-loop.c Revert "main-loop.c: Handle SIGINT, SIGHUP and SIGTERM synchronously" 2014-10-27 15:05:09 +00:00
MAINTAINERS misc fixes and cleanups 2015-03-12 09:13:07 +00:00
Makefile Use $(MAKE) for recursive make 2015-04-02 15:58:39 +02:00
Makefile.objs QJSON: Add JSON writer 2015-02-05 17:16:14 +01:00
Makefile.target Makefile.target: binary depends on config-devices 2015-03-01 19:41:50 +01:00
memory_mapping.c Add skip_dump flag to ignore memory region during dump 2014-10-31 11:29:01 +01:00
memory.c memory: Move owner-less MemoryRegions to /machine/unattached 2015-03-17 14:31:26 +01:00
module-common.c
monitor.c usb: bugfix collection. 2015-03-20 09:50:08 +00:00
nbd.c nbd: Drop unexpected data for NBD_OPT_LIST 2015-03-18 12:07:16 +01:00
numa.c numa: Print warning if no node is assigned to a CPU 2015-03-19 16:20:15 -03:00
os-posix.c rcu: do not create thread in pthread_atfork callback 2015-04-01 10:06:38 +02:00
os-win32.c pidfile: stop making pidfile error a special case 2014-11-02 10:04:34 +03:00
page_cache.c xbzrle: rebuild the cache_is_cached function 2015-01-15 17:49:43 +05:30
qapi-schema.json migration: Convert 'status' of MigrationInfo to use an enum type 2015-03-17 15:20:37 +01:00
qdev-monitor.c qom: Implement info qom-tree HMP command 2015-03-17 14:31:21 +01:00
qdict-test-data.txt
qemu-bridge-helper.c qemu-bridge-helper: Fix fd leak in main() 2014-06-27 10:39:10 +02:00
qemu-char.c qemu-img: Suppress unhelpful extra errors in convert, amend 2015-02-26 14:51:21 +01:00
qemu-coroutine-io.c coroutine-io: Return -errno in case of error 2015-03-18 12:07:21 +01:00
qemu-coroutine-lock.c
qemu-coroutine-sleep.c coroutine: Drop co_sleep_ns 2014-08-29 10:46:58 +01:00
qemu-coroutine.c coroutine: Clean up qemu_coroutine_enter() 2015-03-09 11:11:59 +01:00
qemu-doc.texi raw-posix: Deprecate host floppy passthrough 2015-03-19 11:43:02 +01:00
qemu-img-cmds.hx qemu-img: Add progress output for amend 2014-11-03 11:41:48 +00:00
qemu-img.c qemu-img: Avoid qerror_report_err() outside QMP handlers, again 2015-03-16 17:07:25 +01:00
qemu-img.texi qemu-img: Add progress output for amend 2014-11-03 11:41:48 +00:00
qemu-io-cmds.c qemu-io: Use BlockBackend 2015-02-16 15:07:19 +00:00
qemu-io.c Clean up around error_get_pretty(), qerror_report_err() 2015-02-26 07:01:08 +00:00
qemu-log.c qemu-log: Correct help text of 'log cpu_reset' 2015-02-10 09:27:20 +03:00
qemu-nbd.c nbd: Set block size to BDRV_SECTOR_SIZE 2015-03-18 12:07:01 +01:00
qemu-nbd.texi nbd: Miscellaneous typo fixes. 2014-05-24 00:07:29 +04:00
qemu-options-wrapper.h
qemu-options.h
qemu-options.hx Block patches for 2.3.0-rc1 2015-03-19 17:47:08 +00:00
qemu-seccomp.c seccomp: add mlockall to whitelist 2015-01-23 14:07:08 +01:00
qemu-tech.texi
qemu-timer.c qemu-timer.c: Trim list of included headers 2015-01-26 18:15:54 +00:00
qemu.nsi
qemu.sasl sasl: Avoid 'Could not find keytab file' in syslog 2014-03-15 13:54:18 +04:00
qjson.c QJSON: fix typo in author's email address 2015-02-10 09:27:20 +03:00
qmp-commands.hx block: Document blockdev-add's immaturity 2015-03-27 10:01:12 +00:00
qmp.c qom: Add can_be_deleted callback to UserCreatableClass 2015-04-01 10:06:38 +02:00
qtest.c qtest: Use qemu_opt_set() instead of qemu_opts_parse() 2015-02-26 14:52:13 +01:00
README
rules.mak rules.mak: Fix module build 2015-01-14 10:38:57 +01:00
savevm.c error: Replace error_report() & error_free() with error_report_err() 2015-03-19 11:11:55 +03:00
softmmu_template.h exec: make iotlb RCU-friendly 2015-02-16 17:30:19 +01:00
spice-qemu-char.c spice: Add missing 'static' attribute 2015-02-10 10:26:05 +03:00
tcg-runtime.c tcg: Push tcg-runtime routines into exec/helper-* 2014-05-28 09:33:54 -07:00
tci.c tcg: Remove unused opcodes 2015-02-12 21:21:38 -08:00
thread-pool.c block: Rename BlockDriverCompletionFunc to BlockCompletionFunc 2014-10-20 13:41:27 +02:00
thunk.c
tpm.c tpm: Remove superfluous '\n' around error_report() 2015-03-10 08:15:33 +03:00
trace-events s390x/kvm: trace all SIGP orders 2015-03-10 09:26:22 +01:00
translate-all.c target-i386: remove superfluous TARGET_HAS_SMC macro 2015-04-04 09:45:59 +03:00
translate-all.h
user-exec.c user-exec.c: fix build on NetBSD/sparc64 and NetBSD/arm 2015-03-13 15:57:00 +00:00
VERSION Update version for v2.3.0-rc2 release 2015-04-02 18:02:02 +01:00
version.rc
vl.c Avoid crashing on multiple -incoming 2015-03-26 15:31:46 +01:00
xen-common-stub.c accel: Move Xen registration code to xen-common.c 2014-10-04 08:59:15 +02:00
xen-common.c accel: Pass MachineState object to accel init functions 2014-10-09 12:57:10 +02:00
xen-hvm-stub.c xen: Remove xen_cmos_set_s3_resume() 2015-03-10 08:15:33 +03:00
xen-hvm.c Xen: Use the ioreq-server API when available 2015-01-20 14:24:10 +00:00
xen-mapcache.c xen: add a lock for the mapcache 2015-01-20 14:24:17 +00:00

README 

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

- QEMU team