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Kevin Wolf 86fae10c64 mirror: Fail gracefully for source == target 
blockdev-mirror with the same node for source and target segfaults
today: A node is in its own backing chain, so mirror_start_job() decides
that this is an active commit. When adding the intermediate nodes with
block_job_add_bdrv(), it starts the iteration through the subchain with
the backing file of source, though, so it never reaches target and
instead runs into NULL at the base.

While we could fix that by starting with source itself, there is no
point in allowing mirroring a node into itself and I wouldn't be
surprised if this caused more problems later.

So just check for this scenario and error out.

Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2018-08-15 12:50:39 +02:00
..
acceptance Acceptance tests: add Linux kernel boot and console checking test 2018-06-15 16:10:11 -03:00
acpi-test-data tests/acpi: update tables after memory hotplug changes 2018-08-03 11:35:21 +03:00
data test-qga: add test for guest-get-osinfo 2017-07-18 05:49:01 -05:00
decode scripts: Add decodetree.py 2018-02-22 15:44:07 -08:00
docker docker: perform basic binfmt_misc validation in docker.py 2018-07-24 11:45:25 +01:00
guest-debug python: futurize -f libfuturize.fixes.fix_print_with_import 2018-06-08 14:39:24 -03:00
image-fuzzer python: futurize -f lib2to3.fixes.fix_renames 2018-06-08 14:39:24 -03:00
keys tests: Add a test key pair 2017-09-22 10:46:25 +08:00
libqos ahci: fix FIS I bit and PIO Setup FIS interrupt 2018-06-25 16:50:48 -04:00
migration python: futurize -f libfuturize.fixes.fix_print_with_import 2018-06-08 14:39:24 -03:00
multiboot tests/multiboot: Add .gitignore 2018-03-21 15:13:40 +01:00
qapi-schema Monitor patches for 2018-07-03 2018-07-05 11:25:14 +01:00
qemu-iotests mirror: Fail gracefully for source == target 2018-08-15 12:50:39 +02:00
rocker tests: Avoid non-portable 'echo -ARG' 2017-07-11 17:45:00 +02:00
tcg tests: add check_invalid_maps to test-mmap 2018-07-31 09:57:25 +02:00
vm python: futurize -f libfuturize.fixes.fix_print_with_import 2018-06-08 14:39:24 -03:00
vmstate-static-checker-data
.gitignore tests/.gitignore: don't ignore docker tests 2018-07-24 11:45:25 +01:00
ac97-test.c
acpi-utils.c tests: Move reusable ACPI code into a utility file 2017-03-02 07:14:27 +02:00
acpi-utils.h maint: Fix macros with broken 'do/while(0); ' usage 2018-01-16 14:54:52 +01:00
ahci-test.c block: Remove deprecated -drive option serial 2018-08-15 12:50:39 +02:00
atomic_add-bench.c tests/atomic_add-bench: add -m option to use mutexes 2018-06-28 19:05:31 +02:00
benchmark-crypto-cipher.c tests/crypto: Use the IEC binary prefix definitions 2018-07-02 15:41:17 +02:00
benchmark-crypto-hash.c tests/crypto: Use the IEC binary prefix definitions 2018-07-02 15:41:17 +02:00
benchmark-crypto-hmac.c tests/crypto: Use the IEC binary prefix definitions 2018-07-02 15:41:17 +02:00
bios-tables-test.c nvdimm: make persistence option symbolic 2018-06-11 22:19:57 +03:00
boot-order-test.c libqos: Use explicit QTestState for fw_cfg operations 2018-02-14 11:43:41 +01:00
boot-sector.c tests/boot-sector: Add magic bytes to s390x boot code header 2018-06-08 13:17:39 -04:00
boot-sector.h tests/boot-sector: Drop dependence on global_qtest 2018-02-14 11:43:41 +01:00
boot-serial-test.c tests/boot-serial: Do not delete the output file in case of errors 2018-06-29 13:02:50 +02:00
cdrom-test.c tests/cdrom-test: Test that -cdrom parameter is working 2018-06-08 13:17:39 -04:00
check-block-qdict.c tests: Add QDict clone-flatten test 2018-06-22 16:33:46 +02:00
check-block.sh
check-qdict.c qobject: Move block-specific qdict code to block-qdict.c 2018-06-15 14:49:44 +02:00
check-qjson.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
check-qlist.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
check-qlit.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
check-qnull.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
check-qnum.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
check-qobject.c qstring: Move qstring_from_substr()'s @end one to the right 2018-07-28 09:09:58 +02:00
check-qom-interface.c
check-qom-proplist.c qapi: drop the sentinel in enum array 2017-09-04 13:09:13 +02:00
check-qstring.c qstring: Move qstring_from_substr()'s @end one to the right 2018-07-28 09:09:58 +02:00
cpu-plug-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
crypto-tls-psk-helpers.c crypto: Implement TLS Pre-Shared Keys (PSK). 2018-07-03 13:04:38 +01:00
crypto-tls-psk-helpers.h crypto: Implement TLS Pre-Shared Keys (PSK). 2018-07-03 13:04:38 +01:00
crypto-tls-x509-helpers.c tests: call qcrypto_init instead of gnutls_global_init 2018-07-24 17:33:39 +01:00
crypto-tls-x509-helpers.h clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
device-introspect-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
display-vga-test.c qtest: add display-vga-test to ppc64 2017-01-31 10:10:13 +11:00
drive_del-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
ds1338-test.c libqos: Use explicit QTestState for i2c operations 2018-02-14 11:43:41 +01:00
e1000-test.c tests: fix e1000-test leak 2017-03-01 11:51:28 +04:00
e1000e-test.c libqos: Use explicit QTestState for fw_cfg operations 2018-02-14 11:43:41 +01:00
eepro100-test.c tests: fix eepro100-test leak 2017-03-01 11:51:05 +04:00
endianness-test.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
es1370-test.c
fdc-test.c fdc-test: Avoid deprecated 'change' command 2017-05-09 09:14:40 +02:00
fw_cfg-test.c libqos: Use explicit QTestState for fw_cfg operations 2018-02-14 11:43:41 +01:00
hd-geo-test.c block: Remove deprecated -drive geometry options 2018-08-15 12:50:39 +02:00
i440fx-test.c libqos: Track QTestState with QPCIBus 2018-02-14 11:43:02 +01:00
i82801b11-test.c
ide-test.c block: Remove deprecated -drive option serial 2018-08-15 12:50:39 +02:00
intel-hda-test.c
io-channel-helpers.c Include qapi/error.h exactly where needed 2018-02-09 13:50:17 +01:00
io-channel-helpers.h
ioh3420-test.c
iothread.c aio: introduce aio_co_schedule and aio_co_wake 2017-02-21 11:14:07 +00:00
iothread.h aio: introduce aio_co_schedule and aio_co_wake 2017-02-21 11:14:07 +00:00
ipmi-bt-test.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
ipmi-kcs-test.c tests: fix ipmi-kcs-test leak 2017-03-01 11:51:05 +04:00
ipoctal232-test.c
ivshmem-test.c glib: bump min required glib library version to 2.40 2018-06-29 12:22:28 +01:00
libqtest.c acpi, vhost, misc: fixes, features 2018-06-04 10:15:16 +01:00
libqtest.h tests: functional tests for QMP command set-numa-node 2018-05-30 13:19:14 -03:00
m25p80-test.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
m48t59-test.c Remove unnecessary variables for function return value 2018-05-20 08:48:13 +03:00
machine-none-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
Makefile.include build-system: remove per-test GCOV reporting 2018-07-05 15:59:41 +01:00
megasas-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
migration-test.c tests: only update last_byte when at the edge 2018-07-24 17:21:55 +01:00
ne2000-test.c
numa-test.c cli qmp: Mark --preconfig, exit-preconfig experimental 2018-07-16 15:38:19 +02:00
nvme-test.c tests: Use null-co:// instead of /dev/null as the dummy image 2017-05-11 11:08:40 +02:00
pca9552-test.c misc: add pca9552 LED blinker model 2018-06-08 13:15:32 +01:00
pcnet-test.c
pkix_asn1_tab.c qtest: fix make check complaint in crypto module 2016-10-19 10:09:24 +01:00
pnv-xscom-test.c ppc/pnv: fix XSCOM core addressing on POWER9 2018-01-17 09:35:24 +11:00
prom-env-test.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
ptimer-test-stubs.c ptimer-test: do not link to libqemustub.a/libqemuutil.a 2017-09-19 16:19:39 +02:00
ptimer-test.c ptimer: Add TRIGGER_ONLY_ON_DECREMENT policy option 2018-07-09 14:51:34 +01:00
ptimer-test.h tests: ptimer: Change the copyright comment 2016-10-24 16:26:53 +01:00
pvpanic-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
pxe-test.c tests/boot-sector: Drop dependence on global_qtest 2018-02-14 11:43:41 +01:00
q35-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
qemu-iotests-quick.sh
qht-bench.c qht: return existing entry when qht_insert fails 2018-06-15 07:42:55 -10:00
qmp-test.c cli qmp: Mark --preconfig, exit-preconfig experimental 2018-07-16 15:38:19 +02:00
qom-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
rcutorture.c rcutorture: remove synchronize_rcu from readers 2018-03-12 16:12:47 +01:00
rtas-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
rtc-test.c rtc-test: introduce more update tests 2017-08-01 17:27:33 +02:00
rtl8139-test.c libqos: Track QTestState with QPCIBus 2018-02-14 11:43:02 +01:00
sdhci-test.c sdhci-test: fix leaks 2018-03-06 14:01:27 +01:00
socket-helpers.c sockets: strengthen test suite IP protocol availability checks 2018-03-13 18:06:06 +00:00
socket-helpers.h sockets: strengthen test suite IP protocol availability checks 2018-03-13 18:06:06 +00:00
spapr-phb-test.c spapr: Improved placement of PCI host bridges in guest memory map 2016-10-16 12:04:15 +11:00
tco-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
test-aio-multithread.c Include qapi/error.h exactly where needed 2018-02-09 13:50:17 +01:00
test-aio.c coroutine: add test-aio coroutine queue chaining test case 2018-03-27 13:05:28 +01:00
test-arm-mptimer.c tests: Add tests for the ARM MPTimer 2016-10-24 16:26:54 +01:00
test-base64.c
test-bdrv-drain.c test-bdrv-drain: Test bdrv_append() to drained node 2018-07-10 10:36:15 +02:00
test-bitcnt.c tests: New test-bitcnt 2017-01-10 08:49:59 -08:00
test-bitops.c
test-block-backend.c block: test blk_aio_flush() with blk->root == NULL 2018-03-02 18:39:07 +01:00
test-blockjob-txn.c job: Add error message for failing jobs 2018-05-30 13:31:01 +02:00
test-blockjob.c job: Add error message for failing jobs 2018-05-30 13:31:01 +02:00
test-bufferiszero.c
test-char.c mux: fix ctrl-a b again 2018-06-01 15:13:46 +02:00
test-clone-visitor.c Eliminate qapi/qmp/types.h 2018-02-09 13:52:15 +01:00
test-coroutine.c lockable: add QemuLockable 2018-02-08 09:22:03 +08:00
test-crypto-afsplit.c
test-crypto-block.c tests: Run the luks tests in test-crypto-block only if encryption is available 2017-11-08 11:03:46 +00:00
test-crypto-cipher.c crypto: add 3des-ede support when using libgcrypt/nettle 2016-12-21 14:26:26 +00:00
test-crypto-hash.c crypto: fix initialization of crypto in tests 2016-10-19 10:23:55 +01:00
test-crypto-hmac.c crypto: add HMAC algorithms testcases 2016-12-22 09:24:59 +00:00
test-crypto-ivgen.c
test-crypto-pbkdf.c
test-crypto-secret.c
test-crypto-tlscredsx509.c tests: use error_abort in places expecting errors 2018-07-24 17:35:57 +01:00
test-crypto-tlssession.c tests: fix TLS handshake failure with TLS 1.3 2018-07-24 17:36:12 +01:00
test-crypto-xts.c
test-cutils.c hw: Use IEC binary prefix definitions from "qemu/units.h" 2018-07-02 15:41:10 +02:00
test-filter-mirror.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
test-filter-redirector.c tests/test-filter-redirector: move close() 2018-02-07 14:09:25 +01:00
test-hbitmap.c test-hbitmap: Add non-advancing iter_next tests 2018-06-18 17:04:56 +02:00
test-hmp.c net: Remove the deprecated 'host_net_add' and 'host_net_remove' HMP commands 2018-03-05 10:30:15 +08:00
test-int128.c int128: Use __int128 if available 2016-10-26 08:29:00 -07:00
test-io-channel-buffer.c
test-io-channel-command.c tests: fix leaks in test-io-channel-command 2017-03-01 00:09:28 +04:00
test-io-channel-file.c io: Fix QIOChannelFile when creating and opening read-write 2018-02-15 16:54:57 +00:00
test-io-channel-socket.c sockets: pull code for testing IP availability out of specific test 2018-03-13 18:06:06 +00:00
test-io-channel-tls.c tests: use error_abort in places expecting errors 2018-07-24 17:35:57 +01:00
test-io-task.c qio: non-default context for threaded qtask 2018-03-06 10:19:05 +00:00
test-iov.c tests: Use real size for iov tests 2017-09-05 22:34:40 +02:00
test-keyval.c hw: Use IEC binary prefix definitions from "qemu/units.h" 2018-07-02 15:41:10 +02:00
test-logging.c
test-mul64.c
test-netfilter.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
test-opts-visitor.c qapi: Fix QemuOpts visitor regression on unvisited input 2017-03-22 19:24:34 +01:00
test-qapi-util.c Drop superfluous includes of qapi-types.h and test-qapi-types.h 2018-02-09 05:05:11 +01:00
test-qdev-global-props.c test-qdev-global-props: Test global property ordering 2017-07-17 15:41:30 -03:00
test-qdist.c
test-qemu-opts.c hw: Use IEC binary prefix definitions from "qemu/units.h" 2018-07-02 15:41:10 +02:00
test-qga.c Monitor patches for 2018-07-03 2018-07-05 11:25:14 +01:00
test-qht-par.c
test-qht.c qht: return existing entry when qht_insert fails 2018-06-15 07:42:55 -10:00
test-qmp-cmds.c Monitor patches for 2018-07-03 2018-07-05 11:25:14 +01:00
test-qmp-event.c glib: bump min required glib library version to 2.40 2018-06-29 12:22:28 +01:00
test-qobject-input-visitor.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
test-qobject-output-visitor.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
test-rcu-list.c
test-replication.c block: Add block-specific QDict header 2018-06-15 14:49:44 +02:00
test-shift128.c host-utils: Implement unsigned quadword left/right shift and unit tests 2017-01-31 10:10:14 +11:00
test-string-input-visitor.c Eliminate qapi/qmp/types.h 2018-02-09 13:52:15 +01:00
test-string-output-visitor.c tests/qapi: use ARRAY_SIZE macro 2018-02-10 10:45:14 +03:00
test-thread-pool.c Remove unnecessary variables for function return value 2018-05-20 08:48:13 +03:00
test-throttle.c block: convert ThrottleGroup to object with QOM 2017-09-05 18:12:21 +02:00
test-timed-average.c
test-util-sockets.c monitor: Fix unsafe sharing of @cur_mon among threads 2018-07-23 14:00:03 +02:00
test-uuid.c util: add is_equal to UUID API 2017-12-20 22:01:24 +08:00
test-visitor-serialization.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
test-vmstate.c tests: don't silence error reporting for all tests 2018-07-24 17:35:23 +01:00
test-write-threshold.c
test-x86-cpuid-compat.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
test-x86-cpuid.c
test-xbzrle.c migration: Create migration/xbzrle.h 2017-05-18 18:04:54 +02:00
tmp105-test.c misc: add pca9552 LED blinker model 2018-06-08 13:15:32 +01:00
tpci200-test.c
tpm-crb-swtpm-test.c test: Pass TPM interface model to functions creating command line 2018-06-06 15:44:07 -04:00
tpm-crb-test.c tests: Tests more flags of the CRB interface 2018-03-29 17:41:03 -04:00
tpm-emu.c tests: fix tpm-crb tpm-tis tests race 2018-05-20 08:38:38 +03:00
tpm-emu.h glib: bump min required glib library version to 2.40 2018-06-29 12:22:28 +01:00
tpm-tests.c test: Pass TPM interface model to functions creating command line 2018-06-06 15:44:07 -04:00
tpm-tests.h test: Pass TPM interface model to functions creating command line 2018-06-06 15:44:07 -04:00
tpm-tis-swtpm-test.c test: Add swtpm migration test for the TPM TIS interface 2018-06-06 15:44:12 -04:00
tpm-tis-test.c tests: add test for TPM TIS device 2018-02-21 07:24:50 -05:00
tpm-util.c test: Add swtpm migration test for the TPM TIS interface 2018-06-06 15:44:12 -04:00
tpm-util.h test: Add swtpm migration test for the TPM TIS interface 2018-06-06 15:44:12 -04:00
usb-hcd-ehci-test.c libqos: Track QTestState with QPCIBus 2018-02-14 11:43:02 +01:00
usb-hcd-ohci-test.c
usb-hcd-uhci-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
usb-hcd-xhci-test.c usb-hcd-xhci-test: add a test for ccid hotplug 2018-06-12 12:07:30 +02:00
vhost-user-bridge.c vhost-user-bridge: support host notifier 2018-05-24 21:14:11 +03:00
vhost-user-test.c vhost-user-test: added proper TestServer *dest initialization in test_migrate() 2018-07-16 16:58:16 +02:00
virtio-9p-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
virtio-balloon-test.c tests: Enable the very simple virtio tests on s390x, too 2017-10-20 13:32:10 +02:00
virtio-blk-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
virtio-console-test.c tests: Enable the very simple virtio tests on s390x, too 2017-10-20 13:32:10 +02:00
virtio-net-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
virtio-rng-test.c tests: enable virtio tests on SPAPR 2016-10-28 09:36:58 +11:00
virtio-scsi-test.c scsi: support NDOB (no data-out buffer) for WRITE SAME commands 2018-03-12 16:12:46 +01:00
virtio-serial-test.c tests: Enable the very simple virtio tests on s390x, too 2017-10-20 13:32:10 +02:00
vmgenid-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
vmxnet3-test.c
wdt_ib700-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00