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Alex Bennée bb630d9251 util/timer: avoid deadlock when shutting down 
When we shut down a guest we disable the timers. However this can
cause deadlock if the guest has queued some async work that is trying
to advance system time and spins forever trying to wind time forward.
Pay attention to the return code and bail early if we can't wind time
forward.

Reported-by: Elisha Hollander <just4now666666@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240916085400.1046925-15-alex.bennee@linaro.org>
(cherry picked from commit bc02be4508d8753d1f6071b77d10f4661587df6f)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-09-30 23:07:38 +03:00
..
aio-posix.c
iothread: Remove unused Error** argument in aio_context_set_aio_params
2024-01-08 10:45:34 -05:00
aio-posix.h
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
aio-wait.c
aio-wait: avoid AioContext lock in aio_wait_bh_oneshot()
2023-05-10 14:15:13 +02:00
aio-win32.c
iothread: Remove unused Error** argument in aio_context_set_aio_params
2024-01-08 10:45:34 -05:00
aiocb.c
block: move AioContext, QEMUTimer, main-loop to libqemuutil
2017-02-21 11:14:07 +00:00
async.c
util/async.c: Forbid negative min/max in aio_context_set_thread_pool_params()
2024-07-25 15:57:38 -04:00
atomic64.c
osdep: Move memalign-related functions to their own header
2022-03-07 13:16:49 +00:00
base64.c
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
bitmap.c
migration: Use non-atomic ops for clear log bitmap
2022-11-21 11:58:10 +01:00
bitops.c
replace TABs with spaces
2023-03-20 12:43:50 +01:00
block-helpers.c
block: move logical block size check function to a common utility function
2020-10-23 13:42:16 +01:00
block-helpers.h
block: move logical block size check function to a common utility function
2020-10-23 13:42:16 +01:00
buffer.c
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
bufferiszero.c
util/bufferiszero: Split out host include files
2024-06-19 12:47:11 -07:00
cacheflush.c
util/cacheflush: Avoid possible redundant dcache flush on Darwin
2023-06-13 11:28:58 +02:00
chardev_open.c
util/char_dev: Add open_cdev()
2023-12-19 19:03:38 +01:00
compatfd.c
util: replace pipe()+cloexec with g_unix_open_pipe()
2022-05-03 15:18:14 +04:00
coroutine-sigaltstack.c
osdep: set _FORTIFY_SOURCE=2 when optimization is enabled
2023-10-04 09:52:06 -04:00
coroutine-ucontext.c
coroutine-ucontext: Save fake stack for pooled coroutine
2024-01-22 11:00:12 -05:00
coroutine-windows.c
build: move coroutine backend selection to meson
2023-05-18 08:53:52 +02:00
cpuinfo-aarch64.c
util/cpuinfo: Make use of elf_aux_info(3) on OpenBSD
2024-07-30 07:59:23 +10:00
cpuinfo-i386.c
Revert "host/i386: assume presence of SSE2"
2024-06-28 14:44:51 +02:00
cpuinfo-loongarch.c
util/loongarch64: Detect LASX vector support
2024-06-19 10:55:12 -07:00
cpuinfo-ppc.c
util/cpuinfo: Make use of elf_aux_info(3) on OpenBSD
2024-07-30 07:59:23 +10:00
cpuinfo-riscv.c
util/cpuinfo-riscv: Use linux __riscv_hwprobe syscall
2024-07-03 10:24:12 -07:00
crc32c.c
igb: Implement Rx SCTP CSO
2023-05-23 15:20:15 +08:00
crc-ccitt.c
util: Add CRC16 (CCITT) calculation routines
2021-01-24 20:10:54 +01:00
cutils.c
cutils: Fix get_relocated_path on Windows
2023-10-19 23:13:27 +02:00
dbus.c
util: add dbus helper unit
2020-01-06 18:41:32 +04:00
defer-call.c
util/defer-call: move defer_call() to util/
2023-10-31 15:41:42 +01:00
drm.c
util/drm: make portable by avoiding struct dirent d_type
2020-07-13 14:36:10 +01:00
envlist.c
replace TABs with spaces
2023-03-20 12:43:50 +01:00
error-report.c
Remove glib compatibility code that is not required anymore
2024-05-14 12:46:39 +02:00
error.c
util/error: Fix use-after-free errors reported by Coverity
2023-04-06 12:38:42 -04:00
event_notifier-posix.c
Replace qemu_pipe() with g_unix_open_pipe()
2022-05-03 15:17:56 +04:00
event_notifier-win32.c
Remove qemu-common.h include from most units
2022-04-06 14:31:55 +02:00
fdmon-epoll.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
fdmon-io_uring.c
remove unnecessary casts from uintptr_t
2024-01-18 10:43:51 +01:00
fdmon-poll.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
fifo8.c
util/fifo8: Introduce fifo8_drop()
2024-07-23 22:34:54 +02:00
filemonitor-inotify.c
util/filemonitor-inotify.c: spelling fix: kenel
2023-11-15 12:06:05 +03:00
filemonitor-stub.c
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
getauxval.c
util/cpuinfo: Make use of elf_aux_info(3) on OpenBSD
2024-07-30 07:59:23 +10:00
guest-random.c
util/guest-random: Clean up global variable shadowing
2023-10-06 13:27:48 +02:00
hbitmap.c
hbitmap: fix hbitmap_status() return value for first dirty bit case
2023-02-17 14:34:24 +01:00
hexdump.c
util/hexdump: Inline g_string_append_printf "%02x"
2024-06-05 12:14:20 -07:00
host-utils.c
host-utils: Implemented signed 256-by-128 division
2022-06-20 08:38:58 -03:00
id.c
net: Use id_generate() in the network subsystem, too
2021-03-09 21:47:45 +01:00
int128.c
include/qemu/int128: Use Int128 structure for TCI
2023-02-04 06:19:42 -10:00
interval-tree.c
util/interval-tree: Check root for null in interval_tree_iter_first
2023-08-09 09:26:32 -07:00
iov.c
util/iov: Avoid dynamic stack allocation
2023-09-07 20:32:11 -05:00
iova-tree.c
util: accept iova_tree_remove_parameter by value
2022-09-02 10:22:39 +08:00
keyval.c
include: add qemu/keyval.h
2022-04-21 17:03:51 +04:00
lockcnt.c
qemu/atomic.h: rename atomic_ to qatomic_
2020-09-23 16:07:44 +01:00
log.c
plugins: Replace pr_ops with a proper debug dump flag
2024-04-30 16:12:05 -07:00
main-loop.c
system/cpus: rename qemu_mutex_lock_iothread() to bql_lock()
2024-01-08 10:45:43 -05:00
memalign.c
osdep: Move memalign-related functions to their own header
2022-03-07 13:16:49 +00:00
memfd.c
linux-user: add memfd_create
2019-09-11 08:46:17 +02:00
meson.build
util/cpuinfo-riscv: Support host/cpuinfo.h for riscv
2024-07-03 10:24:12 -07:00
mmap-alloc.c
util/mmap-alloc: qemu_fd_getfs()
2023-04-24 11:29:00 +02:00
module.c
module: Prevent crash by resetting local_err in module_load_qom_all()
2024-08-13 16:35:47 +02:00
notify.c
notify: pass error to notifier with return
2024-02-28 11:31:28 +08:00
nvdimm-utils.c
Clean up includes
2020-12-10 17:16:44 +01:00
osdep.c
migration: Add direct-io parameter
2024-06-21 09:47:22 -03:00
oslib-posix.c
qemu/osdep: Add excluded fd parameter to qemu_close_all_open_fd()
2024-08-05 08:21:59 +10:00
oslib-win32.c
oslib-posix: initialize backend memory objects in parallel
2024-02-06 08:15:22 +01:00
path.c
util/path: Do not cache all filenames at startup
2019-06-24 22:19:30 +02:00
qdist.c
util: spelling fixes
2023-08-31 19:47:43 +02:00
qemu-co-shared-resource.c
co-shared-resource: protect with a mutex
2021-06-25 14:24:24 +03:00
qemu-co-timeout.c
util: add qemu-co-timeout
2022-06-29 10:56:12 +03:00
qemu-config.c
util/qemu-config: Extract QMP commands to qemu-config-qmp.c
2024-04-18 11:17:27 +02:00
qemu-coroutine-io.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
qemu-coroutine-lock.c
atomics: eliminate mb_read/mb_set
2023-06-06 09:42:14 +02:00
qemu-coroutine-sleep.c
coroutine: Clean up superfluous inclusion of qemu/coroutine.h
2023-01-19 10:18:28 +01:00
qemu-coroutine.c
coroutine: reserve 5,000 mappings
2024-03-21 13:14:30 -04:00
qemu-option.c
qapi: Inline and remove QERR_INVALID_PARAMETER definition
2024-04-24 09:50:58 +02:00
qemu-print.c
monitor: Use getter/setter functions for cur_mon
2020-10-09 07:08:19 +02:00
qemu-progress.c
include: move progress API to qemu-progress.h
2022-04-06 14:31:43 +02:00
qemu-sockets.c
qapi: Improve documentation of file descriptor socket addresses
2024-02-12 10:04:32 +01:00
qemu-thread-common.h
Clean up includes
2018-12-20 10:29:08 +01:00
qemu-thread-posix.c
qemu-thread-posix: cleanup, fix, document QemuEvent
2023-03-07 12:38:40 +01:00
qemu-thread-win32.c
qemu-thread-win32: cleanup, fix, document QemuEvent
2023-03-07 12:38:40 +01:00
qemu-timer-common.c
semihosting: Implement SYS_ELAPSED and SYS_TICKFREQ
2021-01-18 10:05:06 +00:00
qemu-timer.c
util/timer: avoid deadlock when shutting down
2024-09-30 23:07:38 +03:00
qht.c
util/qht: use striped locks under TSAN
2023-02-02 11:48:20 +00:00
qsp.c
system/cpus: rename qemu_mutex_lock_iothread() to bql_lock()
2024-01-08 10:45:43 -05:00
qtree.c
tcg: use QTree instead of GTree
2023-03-28 15:23:10 -07:00
range.c
util/range.c: spelling fix: inbetween
2023-11-15 12:06:05 +03:00
rcu.c
Replace "iothread lock" with "BQL" in comments
2024-01-08 10:45:43 -05:00
readline.c
util/readline: Add C-u shortcut
2024-06-19 12:42:03 +02:00
reserved-region.c
util/reserved-region: Add new ReservedRegion helpers
2023-11-03 09:20:31 +01:00
selfmap.c
util/selfmap: Use dev_t and ino_t in MapInfo
2023-09-01 13:34:03 -07:00
stats64.c
stat64: Add stat64_set() operation
2023-04-27 16:39:43 +02:00
sys_membarrier.c
sys_membarrier: fix up include directives
2018-04-05 14:37:38 +02:00
systemd.c
systemd: Also clear LISTEN_FDNAMES during systemd socket activation
2023-05-03 14:00:08 -05:00
thread-context.c
qapi: Use returned bool to check for failure (again)
2022-12-14 16:19:35 +01:00
thread-pool.c
virtio: use defer_call() in virtio_irqfd_notify()
2023-10-31 15:42:14 +01:00
throttle.c
throttle: use THROTTLE_MAX/ARRAY_SIZE for hard code
2023-08-29 10:49:24 +02:00
timed-average.c
Fix some typos found by codespell
2016-05-18 15:04:27 +03:00
trace-events
console/win32: allocate shareable display surface
2023-06-27 17:08:56 +02:00
trace.h
trace: switch position of headers to what Meson requires
2020-08-21 06:18:24 -04:00
transactions.c
transactions: Invoke clean() after everything else
2021-11-16 09:43:44 +01:00
unicode.c
json: Reject invalid UTF-8 sequences
2018-08-24 20:26:37 +02:00
userfaultfd.c
misc: Clean up includes
2024-01-30 21:20:20 +03:00
uuid.c
util/uuid: Add UUID_STR_LEN definition
2023-11-03 09:20:31 +01:00
vfio-helpers.c
util/vfio-helpers: Use g_file_read_link()
2023-05-24 09:21:22 +02:00
vhost-user-server.c
vhost-user-server: do not set memory fd non-blocking
2024-07-02 09:27:56 -04:00
yank.c
qapi: Fix dangling references to docs/devel/qapi-code-gen.txt
2024-01-26 07:04:53 +01:00