qemu/util
Bo Tu 212789925e qemu-iotests: s390x: fix test 049, reject negative sizes in QemuOpts
when creating an image qemu-img enable us specifying the size of the
image using -o size=xx options. But when we specify an invalid size
such as a negtive size then different platform gives different result.

parse_option_size() function in util/qemu-option.c will be called to
parse the size, a cast was called in the function to cast the input
(saved as a double in the function) size to an unsigned int64 value,
when the input is a negtive value or exceeds the maximum of uint64, then
the result is undefined.

According to C99 6.3.1.4, the result of converting a floating point
number to an integer that cannot represent the (integer part of) number
is undefined.  And sure enough the results are different on x86 and
s390.

C99 Language spec 6.3.1.4 Real floating and integers:
the result of this assignment/cast is undefined if the float is not
in the open interval (-1, U<type>_MAX+1).

Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Signed-off-by: Bo Tu <tubo@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-04 20:59:48 +02:00
..
acl.c acl: fix memory leak 2014-11-17 11:48:56 +01:00
bitmap.c bitmap: add atomic test and clear 2015-06-05 17:10:00 +02:00
bitops.c bitops: unroll while loop in find_next_bit() 2013-03-26 13:32:32 +01:00
compatfd.c util: Remove unused functions 2015-04-30 16:05:48 +03:00
crc32c.c qemu: add castagnoli crc32c checksum algorithm 2013-05-03 10:31:58 +02:00
cutils.c cutils: allow compilation with icc 2015-06-26 16:00:50 +02:00
envlist.c utils: drop strtok_r from envlist_parse 2015-02-16 16:20:02 -06:00
error.c error: Use error_report_err() where appropriate 2015-02-18 10:51:09 +01:00
event_notifier-posix.c event-notifier: Always return 0 for posix implementation 2015-06-12 13:26:21 +01:00
event_notifier-win32.c build: move libqemuutil.a components to util/ 2013-01-12 18:42:50 +01:00
fifo8.c savevm: Remove all the unneeded version_minimum_id_old (arm) 2014-05-13 16:09:35 +01:00
getauxval.c util: Move general qemu_getauxval to util/getauxval.c 2014-09-09 13:13:05 +02:00
hbitmap.c util/hbitmap: Add an API to reset all set bits in hbitmap 2015-06-23 15:06:16 +01:00
hexdump.c Rename hexdump to avoid FreeBSD libutil conflict 2013-05-20 08:20:08 -05:00
host-utils.c util: Don't link host-utils.o if it's empty 2014-09-09 13:13:05 +02:00
id.c util: Emancipate id_wellformed() from QemuOpts 2014-10-03 10:30:33 +01:00
iov.c iov: don't touch iov in iov_send_recv() 2015-06-23 16:05:34 +01:00
Makefile.objs crypto: move built-in AES implementation into crypto/ 2015-07-07 12:04:13 +02:00
module.c module: Don't complain when a module is absent 2014-07-18 14:57:35 +02:00
notify.c notify: add NotiferWithReturn so notifier list can abort 2013-06-28 09:20:26 +02:00
osdep.c qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
oslib-posix.c util: allow \n to terminate password input 2015-05-22 17:08:01 +02:00
oslib-win32.c util: move read_password method out of qemu-img into osdep/oslib 2015-05-22 17:08:01 +02:00
path.c util/path: Use the GLib memory allocation routines 2014-08-24 13:16:32 +04:00
qemu-config.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
qemu-error.c qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
qemu-openpty.c util/qemu-openpty: fix build with musl libc by include termios.h as fallback 2014-06-11 00:25:06 +01:00
qemu-option.c qemu-iotests: s390x: fix test 049, reject negative sizes in QemuOpts 2015-09-04 20:59:48 +02:00
qemu-progress.c qemu-progress: Fix progress printing on SIGUSR1 2014-01-24 14:33:00 +01:00
qemu-sockets.c util/qemu-sockets: improve ai_flag hints for ipv6 hosts 2015-06-23 20:23:39 +03:00
qemu-thread-posix.c qemu-thread: do not use PTHREAD_MUTEX_ERRORCHECK 2015-03-10 10:49:25 +01:00
qemu-thread-win32.c qemu-thread: add per-thread atexit functions 2015-01-13 13:43:29 +00:00
qemu-timer-common.c Allow clock_gettime() monotonic clock to be utilized on more OS's 2013-04-04 20:22:45 -05:00
rcu.c rcu: Allow calling rcu_(un)register_thread() during synchronize_rcu() 2015-08-14 23:40:32 +02:00
readline.c readline: Clear screen on form feed. 2014-06-11 10:10:29 -04:00
rfifolock.c rfifolock: add recursive FIFO lock 2014-03-13 14:42:21 +01:00
throttle.c throttle: refuse bps_max/iops_max without bps/iops 2015-08-05 12:53:48 +01:00
unicode.c unicode: New mod_utf8_codepoint() 2013-04-13 19:39:59 +00:00
uri.c util/uri: Add overflow check to rfc3986_parse_port 2015-03-18 12:05:31 +01:00