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QEMU-Nyx-fork/util
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Dima Stepanov 1e7ec6cf06 memfd: fix possible usage of the uninitialized file descriptor 
The qemu_memfd_alloc_check() routine allocates the fd variable on stack.
This variable is initialized inside the qemu_memfd_alloc() function.
There are several cases when *fd will be left unintialized which can
lead to the unexpected close() in the qemu_memfd_free() call.

Set file descriptor to -1 before calling the qemu_memfd_alloc routine.

Signed-off-by: Dima Stepanov <dimastep@yandex-team.ru>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2018-09-25 17:26:18 +02:00
..
acl.c
…
aio-posix.c
aio-posix: Improve comment around marking node deleted
2018-08-15 10:12:35 +08:00
aio-wait.c
block: make BDRV_POLL_WHILE() re-entrancy safe
2018-03-12 11:07:37 +00:00
aio-win32.c
aio: Do aio_notify_accept only during blocking aio_poll
2018-08-15 10:12:35 +08:00
aiocb.c
block: move AioContext, QEMUTimer, main-loop to libqemuutil
2017-02-21 11:14:07 +00:00
async.c
linux-aio: properly bubble up errors from initialization
2018-06-27 13:06:34 +01:00
base64.c
…
bitmap.c
bitmap: provide to_le/from_le helpers
2017-09-22 14:11:25 +02:00
bitops.c
bitmap: remove BITOP_WORD()
2017-09-22 14:11:23 +02:00
buffer.c
…
bufferiszero.c
util: Introduce include/qemu/cpuid.h
2017-07-24 12:42:55 +01:00
cacheinfo.c
configure: Drop AIX host support
2017-09-07 19:02:30 +01:00
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
…
cutils.c
cutils: Provide strchrnul
2018-06-29 12:32:10 +02:00
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: Implement the warn and free Error functions
2017-07-13 13:50:19 +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
…
hbitmap.c
hbitmap: Add @advance param to hbitmap_iter_next()
2018-06-18 17:04:55 +02:00
hexdump.c
…
host-utils.c
host-utils: Implement unsigned quadword left/right shift and unit tests
2017-01-31 10:10:14 +11:00
id.c
…
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
main-loop: drop spin_counter
2018-06-01 16:01:29 +01:00
Makefile.objs
ui: misc fixes which piled up during 3.0 release freeze
2018-08-27 12:30:51 +01:00
memfd.c
memfd: fix possible usage of the uninitialized file descriptor
2018-09-25 17:26:18 +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
…
osdep.c
glib: bump min required glib library version to 2.40
2018-06-29 12:22:28 +01:00
oslib-posix.c
mem: add share parameter to memory-backend-ram
2018-02-19 13:03:24 +02:00
oslib-win32.c
util/oslib-win32: indicate alignment for qemu_anon_ram_alloc()
2018-08-23 18:46:25 +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
coroutine: avoid co_queue_wakeup recursion
2018-03-27 13:05:28 +01:00
qemu-error.c
qemu-error: add {error, warn}_report_once_cond
2018-09-24 17:13:07 +02:00
qemu-openpty.c
…
qemu-option.c
opts: remove redundant check for NULL parameter
2018-07-17 16:24:50 +02:00
qemu-progress.c
progress: Show current progress on SIGINFO
2017-04-28 18:48:11 +02:00
qemu-sockets.c
sockets: allow SocketAddress 'fd' to reference numeric file descriptors
2018-03-13 18:06:06 +00:00
qemu-thread-common.h
QemuMutex: support --enable-debug-mutex
2018-06-28 19:05:32 +02:00
qemu-thread-posix.c
qemu-thread: introduce qemu-thread-common.h
2018-06-28 19:05:31 +02:00
qemu-thread-win32.c
qsp: QEMU's Synchronization Profiler
2018-08-23 18:46:25 +02:00
qemu-timer-common.c
…
qemu-timer.c
timer: remove replay clock probe in deadline calculation
2018-07-30 14:00:11 +02:00
qht.c
qsp: QEMU's Synchronization Profiler
2018-08-23 18:46:25 +02:00
qsp.c
qsp: track BQL callers explicitly
2018-08-23 18:46:25 +02:00
range.c
…
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
…
trace-events
util: Introduce vfio helpers
2018-02-08 09:22:03 +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
replace functions which are only available in glib-2.24
2018-05-20 08:55:01 +03:00