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Fei Li 78524330fd Fix segmentation fault when qemu_signal_init fails 
When qemu_signal_init() fails in qemu_init_main_loop(), we return
without setting an error.  Its callers crash then when they try to
report the error with error_report_err().

To avoid such segmentation fault, add a new Error parameter to make
the call trace to propagate the err to the final caller.

Fixes: 2f78e491d7b46542158ce0b8132ee4e05bc0ade4
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fei Li <fli@suse.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190113140849.38339-2-lifei1214@126.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-01-23 15:02:07 +00:00
..
acl.c
Drop Emacs local variables lists redundant with .dir-locals.el
2016-07-12 16:19:16 +02:00
aio-posix.c
aio-posix: Fix concurrent aio_poll/set_fd_handler.
2019-01-14 14:09:41 +00:00
aio-wait.c
block: Use a single global AioWait
2018-09-25 15:50:15 +02:00
aio-win32.c
aio-posix: Fix concurrent aio_poll/set_fd_handler.
2019-01-14 14:09:41 +00:00
aiocb.c
block: move AioContext, QEMUTimer, main-loop to libqemuutil
2017-02-21 11:14:07 +00:00
async.c
util/async: use qemu_aio_coroutine_enter in co_schedule_bh_cb
2018-09-25 15:50:15 +02:00
atomic64.c
util: add atomic64
2018-10-02 18:47:55 +02:00
base64.c
include/qemu/osdep.h: Don't include qapi/error.h
2016-03-22 22:20:15 +01:00
bitmap.c
bitmap: provide to_le/from_le helpers
2017-09-22 14:11:25 +02:00
bitops.c
avoid TABs in files that only contain a few
2019-01-11 15:46:56 +01:00
buffer.c
qemu-common: stop including qemu/host-utils.h from qemu-common.h
2016-05-19 16:42:28 +02:00
bufferiszero.c
util: Introduce include/qemu/cpuid.h
2017-07-24 12:42:55 +01:00
cacheinfo.c
util: add atomic64
2018-10-02 18:47:55 +02:00
compatfd.c
cpus: remove ugly cast on sigbus_handler
2017-03-03 16:40:02 +01:00
coroutine-sigaltstack.c
coroutine-sigaltstack: use helper for allocating stack memory
2016-09-29 14:13:39 +02:00
coroutine-ucontext.c
build: try improve handling of clang warnings
2018-03-12 08:59:03 +01:00
coroutine-win32.c
coroutine: add a macro for the coroutine stack size
2016-09-29 14:13:39 +02:00
crc32c.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
cutils.c
cutils: Fix qemu_strtosz() & friends to reject non-finite sizes
2018-12-13 19:10:06 +01:00
drm.c
util: promote qemu_egl_rendernode_open() to libqemuutil
2018-08-27 10:51:44 +02:00
envlist.c
util: Use g_malloc/g_free in envlist.c
2017-05-07 09:57:51 +03:00
error.c
error: Fix use of error_prepend() with &error_fatal, &error_abort
2018-10-19 14:51:34 +02:00
event_notifier-posix.c
Revert "qemu: add a cleanup callback function to EventNotifier"
2018-01-24 19:20:19 +02:00
event_notifier-win32.c
Revert "qemu: add a cleanup callback function to EventNotifier"
2018-01-24 19:20:19 +02:00
fifo8.c
migration: consolidate VMStateField.start
2017-02-13 17:27:13 +00:00
getauxval.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
hbitmap.c
Revert "hbitmap: Add @advance param to hbitmap_iter_next()"
2019-01-15 18:26:50 -05:00
hexdump.c
util: Improved qemu_hexmap() to include an ascii dump of the buffer
2016-04-06 09:52:07 +08:00
host-utils.c
host-utils: Implement unsigned quadword left/right shift and unit tests
2017-01-31 10:10:14 +11:00
id.c
util: move declarations out of qemu-common.h
2016-03-22 22:20:17 +01:00
iohandler.c
block: move AioContext, QEMUTimer, main-loop to libqemuutil
2017-02-21 11:14:07 +00:00
iov.c
util: Fix assertion in iov_copy() upon zero 'bytes' and non-zero 'offset'
2016-08-03 18:44:57 +02:00
iova-tree.c
util: remove redundant include of glib.h and add osdep.h
2018-06-29 12:22:28 +01:00
keyval.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
lockcnt.c
qemu-thread: optimize QemuLockCnt with futexes on Linux
2017-01-16 13:25:18 +00:00
log.c
tcg: Optionally log FPU state in TCG -d cpu logging
2018-05-15 14:58:44 +01:00
main-loop.c
Fix segmentation fault when qemu_signal_init fails
2019-01-23 15:02:07 +00:00
Makefile.objs
util: add atomic64
2018-10-02 18:47:55 +02:00
memfd.c
hostmem-memfd: add checks before adding hostmem-memfd & properties
2018-10-02 18:47:55 +02:00
mmap-alloc.c
Make qemu_mempath_getpagesize() accept NULL
2018-04-27 18:05:22 +10:00
module.c
module: Use QEMU_MODULE_DIR as a search path
2018-08-23 18:46:25 +02:00
notify.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
osdep.c
avoid TABs in files that only contain a few
2019-01-11 15:46:56 +01:00
oslib-posix.c
util: check the return value of fcntl in qemu_set_{block, nonblock}
2019-01-14 19:31:04 -05:00
oslib-win32.c
util: add qemu_write_pidfile()
2018-10-02 18:47:55 +02:00
pagesize.c
util: move qemu_real_host_page_size/mask to osdep.h
2017-10-10 09:45:00 -07:00
path.c
util: Removed unneeded header from path.c
2017-03-14 13:26:37 +01:00
qdist.c
qdist: return "(empty)" instead of NULL when printing an empty dist
2016-08-03 18:44:56 +02:00
qemu-config.c
block: Add block-specific QDict header
2018-06-15 14:49:44 +02:00
qemu-coroutine-io.c
coroutine: move entry argument to qemu_coroutine_create
2016-07-13 13:26:02 +02:00
qemu-coroutine-lock.c
coroutine: avoid co_queue_wakeup recursion
2018-03-27 13:05:28 +01:00
qemu-coroutine-sleep.c
coroutine: simplify co_aio_sleep_ns() prototype
2017-12-19 09:25:27 +00:00
qemu-coroutine.c
block: Add missing locking in bdrv_co_drain_bh_cb()
2018-09-25 15:50:15 +02:00
qemu-error.c
error: Drop bogus "use error_setg() instead" admonitions
2018-10-19 15:47:09 +02:00
qemu-openpty.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
qemu-option.c
qemu/queue.h: simplify reverse access to QTAILQ
2019-01-11 15:46:55 +01:00
qemu-progress.c
progress: Show current progress on SIGINFO
2017-04-28 18:48:11 +02:00
qemu-sockets.c
avoid TABs in files that only contain a few
2019-01-11 15:46:56 +01:00
qemu-thread-common.h
Clean up includes
2018-12-20 10:29:08 +01:00
qemu-thread-posix.c
qemu-thread: Don't block SEGV, ILL and FPE
2019-01-08 12:34:46 +00:00
qemu-thread-win32.c
build-sys: build with Vista API by default
2019-01-11 13:57:25 +01:00
qemu-timer-common.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
qemu-timer.c
qemu-timer: avoid checkpoints for virtual clock timers in external subsystems
2018-10-19 13:44:03 +02:00
qht.c
qht: constify arguments to some internal functions
2018-09-26 08:55:54 -07:00
qsp.c
include: move exec/tb-hash-xx.h to qemu/xxhash.h
2018-12-17 06:04:44 +03:00
range.c
range: Replace internal representation of Range
2016-07-04 16:49:33 +03:00
rcu.c
membarrier: introduce qemu/sys_membarrier.h
2018-03-12 16:12:47 +01:00
readline.c
readline: don't free completions in readline_free()
2018-02-05 13:54:39 +01:00
stats64.c
util/stats64: Fix min/max comparisons
2017-11-15 09:34:51 +01:00
sys_membarrier.c
sys_membarrier: fix up include directives
2018-04-05 14:37:38 +02:00
systemd.c
qemu-ga: obey LISTEN_PID when using systemd socket activation
2017-03-19 11:12:12 +01:00
thread-pool.c
thread-pool: add missing qemu_bh_cancel in completion function
2017-03-17 12:54:21 +01:00
throttle.c
throttle: Assert that bkt->max is valid in throttle_compute_wait()
2017-09-26 14:46:23 +02:00
timed-average.c
Fix some typos found by codespell
2016-05-18 15:04:27 +03:00
trace-events
aio-posix: compute timeout before polling
2018-09-26 10:46:21 +08:00
unicode.c
json: Reject invalid UTF-8 sequences
2018-08-24 20:26:37 +02:00
uri.c
cutils: Provide strchrnul
2018-06-29 12:32:10 +02:00
uuid.c
util: add is_equal to UUID API
2017-12-20 22:01:24 +08:00
vfio-helpers.c
util: vfio-helpers: use ARRAY_SIZE in qemu_vfio_init_pci()
2018-12-11 18:28:47 +01:00