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b4682a63f8
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Daniel P. Berrangé b4682a63f8 filemon: fix watch IDs to avoid potential wraparound issues 
Watch IDs are allocated from incrementing a int counter against
the QFileMonitor object. In very long life QEMU processes with
a huge amount of USB MTP activity creating & deleting directories
it is just about conceivable that the int counter can wrap
around. This would result in incorrect behaviour of the file
monitor watch APIs due to clashing watch IDs.

Instead of trying to detect this situation, this patch changes
the way watch IDs are allocated. It is turned into an int64_t
variable where the high 32 bits are set from the underlying
inotify "int" ID. This gives an ID that is guaranteed unique
for the directory as a whole, and we can rely on the kernel
to enforce this. QFileMonitor then sets the low 32 bits from
a per-directory counter.

The USB MTP device only sets watches on the directory as a
whole, not files within, so there is no risk of guest
triggered wrap around on the low 32 bits.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-04-02 13:52:02 +01:00
..
acceptance i386: Disable OSPKE on CPU model definitions 2019-03-20 12:18:15 -03:00
data tests/bios-tables: Improve portability by searching bash in the $PATH 2019-03-08 12:26:45 +01:00
decode decodetree: Properly diagnose fields overflowing an insn 2019-03-12 09:46:58 -07:00
docker docker: trivial changes to make docker help 2019-03-25 10:39:19 +00:00
fp softfloat: Support float_round_to_odd more places 2019-02-26 14:08:03 +00:00
guest-debug tests/guest-debug: fix scoping of failcount 2018-11-13 10:47:59 +00:00
image-fuzzer python: futurize -f lib2to3.fixes.fix_renames 2018-06-08 14:39:24 -03:00
keys
libqos ahci-test: Drop dependence on global_qtest 2019-03-12 07:40:59 +01:00
migration Introduce a Python module structure 2019-02-22 14:07:01 -05:00
multiboot tests/multiboot: Improve portability by searching bash in the $PATH 2019-03-08 12:26:45 +01:00
qapi-schema qapi: Fix array first used in a different module 2019-03-05 14:43:11 +01:00
qemu-iotests nbd/server: Advertise actual minimum block size 2019-04-01 08:52:28 -05:00
rocker
tcg tests/tcg/xtensa: clean up test set 2019-03-23 14:42:05 -07:00
uefi-test-tools tests/uefi-test-tools: add build scripts 2019-02-21 12:28:41 -05:00
vm Introduce a Python module structure 2019-02-22 14:07:01 -05:00
vmstate-static-checker-data
.gitignore tests/.gitignore: ignore test-qapi-emit-events.[ch] for in-tree builds 2019-03-14 16:02:13 +01:00
ac97-test.c qos-test: ac97 test node 2019-03-07 17:28:46 +01:00
acpi-utils.c tests: acpi: reuse fetch_table() in vmgenid-test 2019-01-17 21:10:57 -05:00
acpi-utils.h tests: acpi: use AcpiSdtTable::aml instead of AcpiSdtTable::header::signature 2019-01-17 21:10:57 -05:00
ahci-test.c ahci-test: Drop dependence on global_qtest 2019-03-12 07:40:59 +01:00
atomic64-bench.c tests: use g_usleep instead of rem = sleep(time) 2019-01-14 14:52:30 +00:00
atomic_add-bench.c tests: use g_usleep instead of rem = sleep(time) 2019-01-14 14:52:30 +00:00
benchmark-crypto-cipher.c crypto: expand algorithm coverage for cipher benchmark 2018-10-24 19:03:37 +01:00
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 tests: acpi: use AcpiSdtTable::aml instead of AcpiSdtTable::header::signature 2019-01-17 21:10:57 -05:00
boot-order-test.c tests/boot-order: Make test independent of global_qtest 2019-01-22 05:14:32 +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
boot-serial-test.c Suppress test warnings about missing Spectre/Meltdown mitigations with TCG 2019-03-12 16:07:14 +11:00
cdrom-test.c tests/cdrom-test: only include isapc cdrom test when g_test_slow() 2019-02-22 09:32:32 +00:00
check-block-qdict.c tests: fix crumple/recursive leak 2018-08-15 08:12:19 +02:00
check-block.sh qemu-iotests: convert pwd and $(pwd) to $PWD 2018-11-19 10:08:19 -06:00
check-qdict.c tests: Move qdict-test-data.txt to tests/data/qobject/ 2019-03-07 22:05:54 +01:00
check-qjson.c json: Fix % handling when not interpolating 2019-01-24 15:20:59 +01:00
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 qom: make interface types abstract 2018-12-11 15:45:22 -02:00
check-qom-proplist.c tests/qom-proplist: check class properties iterator 2018-10-05 16:27:09 +04:00
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 hw/i386: Remove deprecated machines pc-0.10 and pc-0.11 2018-12-20 11:19:12 -05:00
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 crypto: require gnutls >= 3.1.18 for building QEMU 2018-10-19 12:26:57 +01:00
device-introspect-test.c tests/device-introspect: Test with all machines, not only with "none" 2018-08-23 18:46:25 +02:00
device-plug-test.c tests/device-plug: Add PHB unplug request test for spapr 2019-02-26 09:21:25 +11:00
display-vga-test.c tests/display-vga: Enable virtio-vga test 2019-01-11 11:45:00 +01:00
drive_del-test.c tests: move virtio entirely to qos-test 2019-03-07 17:28:45 +01:00
ds1338-test.c
e1000-test.c qos-test: e1000 test node 2019-03-07 17:28:47 +01:00
e1000e-test.c qos-test: e1000e test node 2019-03-07 17:28:26 +01:00
eepro100-test.c qos-test: eepro100 test node 2019-03-07 17:28:47 +01:00
endianness-test.c tests/endianesss: Make test independent of global_qtest 2019-01-22 05:14:32 +01:00
es1370-test.c qos-test: es1370 test node 2019-03-07 17:28:46 +01:00
fdc-test.c tests: Remove (mostly) useless architecture checks 2019-03-06 10:10:36 +01:00
fw_cfg-test.c fw_cfg: import & use linux/qemu_fw_cfg.h 2018-08-23 18:46:25 +02:00
hd-geo-test.c block: Remove deprecated -drive geometry options 2018-08-15 12:50:39 +02:00
hexloader-test.c tests/hexloader-test: Don't pass -nographic to the QEMU under test 2019-01-22 06:26:32 +01:00
i440fx-test.c tests/libqos: rename qpci_init_pc and qpci_init_spapr functions 2019-03-07 16:50:04 +01:00
i82801b11-test.c
ide-test.c tests/libqos: embed allocators instead of malloc-ing them separately 2019-03-07 17:28:07 +01:00
intel-hda-test.c
io-channel-helpers.c
io-channel-helpers.h
ioh3420-test.c
iothread.c
iothread.h
ipmi-bt-test.c tests: Remove (mostly) useless architecture checks 2019-03-06 10:10:36 +01:00
ipmi-kcs-test.c tests: Remove (mostly) useless architecture checks 2019-03-06 10:10:36 +01:00
ipoctal232-test.c qos-test: ipoctal232 test node 2019-03-07 17:28:46 +01:00
ivshmem-test.c tests: Do not use "\n" in g_test_message() strings 2019-03-07 22:16:22 +01:00
libqtest.c chardev: forbid 'wait' option with client sockets 2019-02-12 17:35:56 +01:00
libqtest.h qos-test: virtio-blk test node 2019-03-07 17:28:41 +01:00
m25p80-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
m48t59-test.c tests: Do not use "\n" in g_test_message() strings 2019-03-07 22:16:22 +01:00
machine-none-test.c tests/machine-none: Make test independent of global_qtest 2018-12-17 15:36:40 +01:00
Makefile.include test-announce-self: convert to qgraph 2019-03-20 11:44:13 +01:00
megasas-test.c qos-test: megasas test node 2019-03-07 17:28:47 +01:00
microbit-test.c tests/microbit-test: Add tests for nRF51 NVMC 2019-02-01 15:32:17 +00:00
migration-test.c test-migration: fix memory leak 2019-03-12 15:18:40 +01:00
ne2000-test.c qos-test: ne2k_pci test node 2019-03-07 17:28:46 +01:00
numa-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
nvme-test.c qos-test: nvme test node 2019-03-07 17:28:46 +01:00
pca9552-test.c misc: add pca9552 LED blinker model 2018-06-08 13:15:32 +01:00
pci-test.c tests/qgraph: add generic PCI testcases 2019-03-07 17:28:25 +01:00
pcnet-test.c qos-test: pcnet test node 2019-03-07 17:28:46 +01:00
pkix_asn1_tab.c
pnv-xscom-test.c ppc/pnv: activate XSCOM tests for POWER9 2019-03-12 14:33:05 +11:00
prom-env-test.c Suppress test warnings about missing Spectre/Meltdown mitigations with TCG 2019-03-12 16:07:14 +11:00
ptimer-test-stubs.c qemu-timer: introduce timer attributes 2018-10-19 13:44:03 +02:00
ptimer-test.c ptimer: Add TRIGGER_ONLY_ON_DECREMENT policy option 2018-07-09 14:51:34 +01:00
ptimer-test.h
pvpanic-test.c tests/pvpanic: Make the pvpanic test independent of global_qtest 2018-12-17 15:36:40 +01:00
pxe-test.c Suppress test warnings about missing Spectre/Meltdown mitigations with TCG 2019-03-12 16:07:14 +11:00
q35-test.c tests/libqos: rename qpci_init_pc and qpci_init_spapr functions 2019-03-07 16:50:04 +01:00
qemu-iotests-quick.sh
qht-bench.c tests: use g_usleep instead of rem = sleep(time) 2019-01-14 14:52:30 +00:00
qmp-cmd-test.c tests: add qmp/object-add-without-props test 2018-08-31 09:53:10 +02:00
qmp-test.c Revert "tests: Add parameter to qtest_init_without_qmp_handshake" 2018-12-12 10:28:27 +01:00
qom-test.c tests: Skip old versioned machine types in quick testing mode 2018-08-23 18:46:23 +02:00
qos-test.c tests: qgraph API for the qtest driver framework 2019-03-07 17:28:24 +01:00
rcutorture.c
requirements.txt Acceptance tests: drop usage of "🥑 enable" 2019-02-22 14:07:01 -05:00
rtas-test.c tests/libqos: embed allocators instead of malloc-ing them separately 2019-03-07 17:28:07 +01:00
rtc-test.c tests: Do not use "\n" in g_test_message() strings 2019-03-07 22:16:22 +01:00
rtl8139-test.c - qtest fixes 2019-03-08 16:31:34 +00:00
sdhci-test.c qos-test: sdhci test node 2019-03-07 17:28:25 +01:00
socket-helpers.c
socket-helpers.h
spapr-phb-test.c qos-test: spapr-phb test node 2019-03-07 17:28:46 +01:00
tco-test.c tests/libqos: rename qpci_init_pc and qpci_init_spapr functions 2019-03-07 16:50:04 +01:00
test-aio-multithread.c tests: Do not use "\n" in g_test_message() strings 2019-03-07 22:16:22 +01:00
test-aio.c
test-arm-mptimer.c tests/test-arm-mptimer: Don't leak string memory 2018-12-14 13:30:54 +00:00
test-authz-list.c authz: add QAuthZList object type for an access control list 2019-02-26 15:32:18 +00:00
test-authz-listfile.c authz: add QAuthZListFile object type for a file access control list 2019-02-26 15:32:18 +00:00
test-authz-pam.c authz: add QAuthZPAM object type for authorizing using PAM 2019-02-26 15:32:19 +00:00
test-authz-simple.c authz: add QAuthZSimple object type for easy whitelist auth checks 2019-02-26 15:25:58 +00:00
test-base64.c
test-bdrv-drain.c Block layer patches: 2019-02-26 19:04:47 +00:00
test-bdrv-graph-mod.c test-bdrv-graph-mod: fix Error leak 2019-03-12 15:18:40 +01:00
test-bitcnt.c
test-bitops.c
test-block-backend.c
test-block-iothread.c block: Fix hangs in synchronous APIs with iothreads 2019-02-01 13:46:44 +01:00
test-blockjob-txn.c tests/test-blockjob-txn: move .exit to .clean 2018-09-25 15:31:15 +02:00
test-blockjob.c test-blockjob: Acquire AioContext around job_cancel_sync() 2018-09-25 15:50:15 +02:00
test-bufferiszero.c
test-char.c test-char: fix undefined behavior 2019-03-12 15:18:40 +01:00
test-clone-visitor.c tests: Rename UserDefNativeListUnion to UserDefListUnion 2019-03-05 14:43:11 +01:00
test-coroutine.c tests: Do not use "\n" in g_test_message() strings 2019-03-07 22:16:22 +01:00
test-crypto-afsplit.c
test-crypto-block.c crypto: support multiple threads accessing one QCryptoBlock 2018-12-12 11:16:49 +00:00
test-crypto-cipher.c
test-crypto-hash.c
test-crypto-hmac.c
test-crypto-ivgen.c
test-crypto-pbkdf.c test: execute g_test_run when tests are skipped 2019-01-11 13:57:25 +01:00
test-crypto-secret.c
test-crypto-tlscredsx509.c crypto: require gnutls >= 3.1.18 for building QEMU 2018-10-19 12:26:57 +01:00
test-crypto-tlssession.c authz: delete existing ACL implementation 2019-02-26 15:32:19 +00:00
test-crypto-xts.c crypto: add testing for unaligned buffers with XTS cipher mode 2018-10-24 19:03:37 +01:00
test-cutils.c cutils: Fix qemu_strtosz() & friends to reject non-finite sizes 2018-12-13 19:10:06 +01:00
test-filter-mirror.c test-filter-mirror: pass UNIX domain socket through fd 2019-02-04 16:03:20 +00:00
test-filter-redirector.c chardev: forbid 'wait' option with client sockets 2019-02-12 17:35:56 +01:00
test-hbitmap.c Revert "hbitmap: Add @advance param to hbitmap_iter_next()" 2019-01-15 18:26:50 -05:00
test-hmp.c hmp: Add hmp_announce_self 2019-03-05 11:27:41 +08:00
test-image-locking.c tests: Add unit tests for image locking 2018-11-12 17:46:57 +01:00
test-int128.c
test-io-channel-buffer.c
test-io-channel-command.c
test-io-channel-file.c
test-io-channel-socket.c io: ensure UNIX client doesn't unlink server socket 2019-01-24 12:23:35 +00:00
test-io-channel-tls.c authz: delete existing ACL implementation 2019-02-26 15:32:19 +00:00
test-io-task.c
test-iov.c
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
test-qapi-util.c
test-qdev-global-props.c qdev: all globals are now user-provided 2019-01-07 16:18:42 +04:00
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 qmp: common 'id' handling & make QGA conform to QMP spec 2019-03-18 10:48:06 -05:00
test-qgraph.c tests: test-qgraph: fix a memory leak 2019-03-11 16:33:49 +01:00
test-qht-par.c
test-qht.c qht: drop ht argument from qht iterators 2018-09-26 08:55:54 -07:00
test-qmp-cmds.c tests: Rename UserDefNativeListUnion to UserDefListUnion 2019-03-05 14:43:11 +01:00
test-qmp-event.c qapi: Generate QAPIEvent stuff into separate files 2019-02-18 14:44:04 +01:00
test-qobject-input-visitor.c tests: Rename UserDefNativeListUnion to UserDefListUnion 2019-03-05 14:43:11 +01:00
test-qobject-output-visitor.c tests: Rename UserDefNativeListUnion to UserDefListUnion 2019-03-05 14:43:11 +01:00
test-rcu-list.c qemu/queue.h: leave head structs anonymous unless necessary 2019-01-11 15:46:55 +01:00
test-rcu-simpleq.c tests: add test-list-simpleq 2018-08-23 18:46:25 +02:00
test-rcu-tailq.c tests: add test-rcu-tailq 2018-08-23 18:46:25 +02:00
test-replication.c test-replication: Lock AioContext around blk_unref() 2018-10-01 19:13:55 +02:00
test-shift128.c
test-string-input-visitor.c test-string-input-visitor: Add range overflow tests 2018-12-13 19:10:06 +01:00
test-string-output-visitor.c
test-thread-pool.c Remove unnecessary variables for function return value 2018-05-20 08:48:13 +03:00
test-throttle.c
test-timed-average.c
test-util-filemonitor.c filemon: fix watch IDs to avoid potential wraparound issues 2019-04-02 13:52:02 +01:00
test-util-sockets.c monitor: Fix unsafe sharing of @cur_mon among threads 2018-07-23 14:00:03 +02:00
test-uuid.c
test-visitor-serialization.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
test-vmstate.c tests: add /vmstate/simple/array 2019-01-23 15:51:47 +00:00
test-write-threshold.c
test-x86-cpuid-compat.c build-sys: remove glib_subprocess check 2018-08-23 18:46:25 +02:00
test-x86-cpuid.c
test-xbzrle.c
tmp105-test.c misc: add pca9552 LED blinker model 2018-06-08 13:15:32 +01:00
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: Fix signalling race condition in TPM tests 2018-09-07 16:37:47 -04:00
tpm-emu.c tests: Fix signalling race condition in TPM tests 2018-09-07 16:37:47 -04:00
tpm-emu.h tests: Fix signalling race condition in TPM tests 2018-09-07 16:37:47 -04:00
tpm-tests.c tests: tpm: Use g_test_message rather than fprintf 2018-11-14 16:12:24 -05:00
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: Fix signalling race condition in TPM tests 2018-09-07 16:37:47 -04:00
tpm-util.c tests/tpm: Display if swtpm is not found or --tpm2 not supported 2018-10-30 13:53:15 -04:00
tpm-util.h Clean up includes 2018-12-20 10:29:08 +01:00
usb-hcd-ehci-test.c tests/libqos: rename qpci_init_pc and qpci_init_spapr functions 2019-03-07 16:50:04 +01:00
usb-hcd-ohci-test.c qos-test: usb-hcd-ohci test node 2019-03-07 17:28:46 +01:00
usb-hcd-uhci-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
usb-hcd-xhci-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
vhost-user-bridge.c Clean up includes 2018-12-20 10:29:08 +01:00
vhost-user-test.c hostmem-memfd: disable for systems without sealing support 2019-03-11 17:16:56 -03:00
virtio-9p-test.c qos-test: virtio-9p test node 2019-03-07 17:28:27 +01:00
virtio-blk-test.c tests/virtio-blk-test: Disable auto-read-only 2019-03-12 20:30:13 +01:00
virtio-ccw-test.c tests: virtio: separate ccw tests from libqos 2018-08-23 13:32:50 +02:00
virtio-net-test.c test-announce-self: convert to qgraph 2019-03-20 11:44:13 +01:00
virtio-rng-test.c qos-test: virtio-rng test node 2019-03-07 17:28:27 +01:00
virtio-scsi-test.c qos-test: virtio-scsi test node 2019-03-07 17:28:42 +01:00
virtio-serial-test.c qos-test: virtio-console and virtio-serial test node 2019-03-07 17:28:27 +01:00
virtio-test.c tests/qgraph: add generic virtio testcases 2019-03-07 17:28:26 +01:00
vmgenid-test.c uuid: Make qemu_uuid_bswap() take and return a QemuUUID 2019-02-01 13:46:45 +01:00
vmxnet3-test.c qos-test: vmxnet3 test node 2019-03-07 17:28:46 +01:00
wdt_ib700-test.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00