[Bug 67900] New: connector tests hang in __libc_recv()

Thu Aug 8 05:22:23 PDT 2013

https://bugs.freedesktop.org/show_bug.cgi?id=67900

          Priority: high
            Bug ID: 67900
          Assignee: telepathy-bugs at lists.freedesktop.org
           Summary: connector tests hang in __libc_recv()
        QA Contact: telepathy-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: simon.mcvittie at collabora.co.uk
          Hardware: Other
            Status: NEW
           Version: git master
         Component: General
           Product: Wocky

The Wocky connector test blocks indefinitely in __libc_recv() on a mixed Debian
unstable/experimental system, using Debian's gnutls 2.12.23-5 and GLib
2.36.3-4.

archetype% WOCKY_DEBUG=all G_MESSAGES_DEBUG=all libtool --mode=execute gdb
--args ./wocky-connector-test -p /connector/basic/noserv/nohost/noport
GNU gdb (GDB) 7.6 (Debian 7.6-5)
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from
/home/smcv/build/wocky/debug/tests/wocky-connector-test...done.
(gdb) set pagination off
(gdb) run
Starting program: /home/smcv/build/wocky/debug/tests/wocky-connector-test -p
/connector/basic/noserv/nohost/noport
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
/connector/basic/noserv/nohost/noport: [New Thread 0x7ffff3688700 (LWP 31168)]
[New Thread 0x7ffff2869700 (LWP 31169)]
[New Thread 0x7fffd9c54700 (LWP 31170)]
(/home/smcv/build/wocky/debug/tests/wocky-connector-test:31164): wocky-DEBUG:
test_connector_server_new:
/home/smcv/src/fdo/wocky/tests/wocky-test-connector-server.c:1569:
test_connector_server_new
(/home/smcv/build/wocky/debug/tests/wocky-connector-test:31164): wocky-DEBUG:
test_connector_server_new:
/home/smcv/src/fdo/wocky/tests/wocky-test-connector-server.c:1583: connection:
0x6bda50
(/home/smcv/build/wocky/debug/tests/wocky-connector-test:31164): wocky-DEBUG:
test_connector_server_start:
/home/smcv/src/fdo/wocky/tests/wocky-test-connector-server.c:1671:
test_connector_server_start
(/home/smcv/build/wocky/debug/tests/wocky-connector-test:31164): wocky-DEBUG:
test_connector_server_start:
/home/smcv/src/fdo/wocky/tests/wocky-test-connector-server.c:1675: connection:
0x6bda50
(/home/smcv/build/wocky/debug/tests/wocky-connector-test:31164): wocky-DEBUG:
xmpp_init: /home/smcv/src/fdo/wocky/tests/wocky-test-connector-server.c:1427:
test_connector_server:xmpp_init 0
(/home/smcv/build/wocky/debug/tests/wocky-connector-test:31164): wocky-DEBUG:
xmpp_init: /home/smcv/src/fdo/wocky/tests/wocky-test-connector-server.c:1428:
connection: 0x6bda50
(/home/smcv/build/wocky/debug/tests/wocky-connector-test:31164): wocky-DEBUG:
xmpp_init: /home/smcv/src/fdo/wocky/tests/wocky-test-connector-server.c:1434:
SERVER_STATE_START
(/home/smcv/build/wocky/debug/tests/wocky-connector-test:31164): wocky-DEBUG:
server_enc_outstanding:
/home/smcv/src/fdo/wocky/tests/wocky-test-connector-server.c:1599: Upped
outstanding to 1
^C
Program received signal SIGINT, Interrupt.
0x00007ffff636d717 in __libc_recv (fd=15, buf=buf at entry=0x6bdac0,
n=n at entry=1024, flags=-1, flags at entry=0) at
../sysdeps/unix/sysv/linux/x86_64/recv.c:33
33    ../sysdeps/unix/sysv/linux/x86_64/recv.c: No such file or directory.
(gdb) thread apply all bt

Thread 4 (Thread 0x7fffd9c54700 (LWP 31170)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007ffff681d5f5 in g_cond_wait_until (cond=cond at entry=0x6b2838,
mutex=mutex at entry=0x6b2830, end_time=end_time at entry=303738186583) at
/tmp/buildd/glib2.0-2.36.3/./glib/gthread-posix.c:865
#2  0x00007ffff67b4941 in g_async_queue_pop_intern_unlocked
(queue=queue at entry=0x6b2830, wait=wait at entry=1,
end_time=end_time at entry=303738186583) at
/tmp/buildd/glib2.0-2.36.3/./glib/gasyncqueue.c:424
#3  0x00007ffff67b4ecb in g_async_queue_timeout_pop (queue=0x6b2830,
timeout=timeout at entry=15000000) at
/tmp/buildd/glib2.0-2.36.3/./glib/gasyncqueue.c:545
#4  0x00007ffff6802c66 in g_thread_pool_wait_for_new_pool () at
/tmp/buildd/glib2.0-2.36.3/./glib/gthreadpool.c:169
#5  g_thread_pool_thread_proxy (data=<optimized out>) at
/tmp/buildd/glib2.0-2.36.3/./glib/gthreadpool.c:366
#6  0x00007ffff68021d5 in g_thread_proxy (data=0x6b9400) at
/tmp/buildd/glib2.0-2.36.3/./glib/gthread.c:798
#7  0x00007ffff6366e0e in start_thread (arg=0x7fffd9c54700) at
pthread_create.c:311
#8  0x00007ffff609b93d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7ffff2869700 (LWP 31169)):
#0  0x00007ffff609019d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff67de194 in g_main_context_poll (priority=2147483647, n_fds=1,
fds=0x7fffe40010c0, timeout=-1, context=0x6b88a0) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3995
#2  g_main_context_iterate (context=context at entry=0x6b88a0,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3696
#3  0x00007ffff67de29c in g_main_context_iteration (context=0x6b88a0,
may_block=1) at /tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3762
#4  0x00007ffff2870a1d in ?? () from
/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#5  0x00007ffff68021d5 in g_thread_proxy (data=0x6b1370) at
/tmp/buildd/glib2.0-2.36.3/./glib/gthread.c:798
#6  0x00007ffff6366e0e in start_thread (arg=0x7ffff2869700) at
pthread_create.c:311
#7  0x00007ffff609b93d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7ffff3688700 (LWP 31168)):
#0  0x00007ffff609019d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff67de194 in g_main_context_poll (priority=2147483647, n_fds=3,
fds=0x7fffec0010e0, timeout=-1, context=0x6a76d0) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3995
#2  g_main_context_iterate (context=0x6a76d0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3696
#3  0x00007ffff67de5fa in g_main_loop_run (loop=0x6a7660) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3895
#4  0x00007ffff6dabd06 in gdbus_shared_thread_func (user_data=0x6a76a0) at
/tmp/buildd/glib2.0-2.36.3/./gio/gdbusprivate.c:278
#5  0x00007ffff68021d5 in g_thread_proxy (data=0x6a3720) at
/tmp/buildd/glib2.0-2.36.3/./glib/gthread.c:798
#6  0x00007ffff6366e0e in start_thread (arg=0x7ffff3688700) at
pthread_create.c:311
#7  0x00007ffff609b93d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7ffff7fc2800 (LWP 31164)):
#0  0x00007ffff636d717 in __libc_recv (fd=15, buf=buf at entry=0x6bdac0,
n=n at entry=1024, flags=-1, flags at entry=0) at
../sysdeps/unix/sysv/linux/x86_64/recv.c:33
#1  0x00007ffff6d52e8c in recv (__flags=0, __n=1024, __buf=0x6bdac0,
__fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/socket2.h:44
#2  g_socket_receive_with_blocking (socket=0x6a22a0, buffer=0x6bdac0 "",
size=1024, blocking=0, cancellable=0x0, error=0x7fffffffd4f8) at
/tmp/buildd/glib2.0-2.36.3/./gio/gsocket.c:2489
#3  0x00007ffff6d3bad5 in read_async_pollable
(stream=stream at entry=0x7fffe40029e0, task=task at entry=0x6b3550) at
/tmp/buildd/glib2.0-2.36.3/./gio/ginputstream.c:1118
#4  0x00007ffff6d3bc4f in g_input_stream_real_read_async
(stream=0x7fffe40029e0, buffer=0x6bdac0, count=1024, io_priority=0,
cancellable=0x7fffec007720, callback=0x7ffff6d3d2e0
<async_ready_callback_wrapper>, user_data=0x6bda50) at
/tmp/buildd/glib2.0-2.36.3/./gio/ginputstream.c:1167
#5  0x00007ffff6d3c83b in g_input_stream_read_async (stream=0x7fffe40029e0,
buffer=buffer at entry=0x6bdac0, count=count at entry=1024,
io_priority=io_priority at entry=0, cancellable=0x7fffec007720,
callback=callback at entry=0x423f10 <_xmpp_connection_received_data>,
user_data=user_data at entry=0x6bda50) at
/tmp/buildd/glib2.0-2.36.3/./gio/ginputstream.c:631
#6  0x0000000000423488 in wocky_xmpp_connection_do_read (self=0x6bda50) at
/home/smcv/src/fdo/wocky/wocky/wocky-xmpp-connection.c:478
#7  0x000000000040a21e in client_connected (channel=<optimized out>,
cond=<optimized out>, data=0x663f68 <tests+392>) at
/home/smcv/src/fdo/wocky/tests/wocky-connector-test.c:3311
#8  0x00007ffff67ddea6 in g_main_dispatch (context=0x687460) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3054
#9  g_main_context_dispatch (context=context at entry=0x687460) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3630
#10 0x00007ffff67de1f8 in g_main_context_iterate (context=0x687460,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3701
#11 0x00007ffff67de5fa in g_main_loop_run (loop=0x6877e0) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3895
#12 0x000000000040a7ef in run_test (data=0x663f20 <tests+320>) at
/home/smcv/src/fdo/wocky/tests/wocky-connector-test.c:3568
#13 0x00007ffff68015a7 in test_case_run (tc=0x685860) at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1714
#14 g_test_run_suite_internal (suite=suite at entry=0x683580, path=<optimized
out>, path at entry=0x7fffffffe355 "/noport") at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1767
#15 0x00007ffff6801726 in g_test_run_suite_internal
(suite=suite at entry=0x683560, path=<optimized out>, path at entry=0x7fffffffe34e
"/nohost/noport") at /tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1778
#16 0x00007ffff6801726 in g_test_run_suite_internal
(suite=suite at entry=0x683540, path=<optimized out>, path at entry=0x7fffffffe347
"/noserv/nohost/noport") at /tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1778
#17 0x00007ffff6801726 in g_test_run_suite_internal
(suite=suite at entry=0x683520, path=<optimized out>, path at entry=0x7fffffffe341
"/basic/noserv/nohost/noport") at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1778
#18 0x00007ffff6801726 in g_test_run_suite_internal
(suite=suite at entry=0x683500, path=<optimized out>, path at entry=0x7fffffffe338
"connector/basic/noserv/nohost/noport") at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1778
#19 0x00007ffff6801a93 in g_test_run_suite (suite=0x683500) at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1823
#20 0x00007ffff6801ad5 in g_test_run () at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1324
#21 0x0000000000409c31 in main (argc=<optimized out>, argv=<optimized out>) at
/home/smcv/src/fdo/wocky/tests/wocky-connector-test.c:3756
(gdb) bt full
#0  0x00007ffff636d717 in __libc_recv (fd=15, buf=buf at entry=0x6bdac0,
n=n at entry=1024, flags=-1, flags at entry=0) at
../sysdeps/unix/sysv/linux/x86_64/recv.c:33
        resultvar = 18446744073709551104
        oldtype = 0
        result = -512
#1  0x00007ffff6d52e8c in recv (__flags=0, __n=1024, __buf=0x6bdac0,
__fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/socket2.h:44
No locals.
#2  g_socket_receive_with_blocking (socket=0x6a22a0, buffer=0x6bdac0 "",
size=1024, blocking=0, cancellable=0x0, error=0x7fffffffd4f8) at
/tmp/buildd/glib2.0-2.36.3/./gio/gsocket.c:2489
        __PRETTY_FUNCTION__ = "g_socket_receive_with_blocking"
#3  0x00007ffff6d3bad5 in read_async_pollable
(stream=stream at entry=0x7fffe40029e0, task=task at entry=0x6b3550) at
/tmp/buildd/glib2.0-2.36.3/./gio/ginputstream.c:1118
        op = 0x69d800
        error = 0x0
        nread = <optimized out>
#4  0x00007ffff6d3bc4f in g_input_stream_real_read_async
(stream=0x7fffe40029e0, buffer=0x6bdac0, count=1024, io_priority=0,
cancellable=0x7fffec007720, callback=0x7ffff6d3d2e0
<async_ready_callback_wrapper>, user_data=0x6bda50) at
/tmp/buildd/glib2.0-2.36.3/./gio/ginputstream.c:1167
        task = 0x6b3550
        op = 0x69d800
#5  0x00007ffff6d3c83b in g_input_stream_read_async (stream=0x7fffe40029e0,
buffer=buffer at entry=0x6bdac0, count=count at entry=1024,
io_priority=io_priority at entry=0, cancellable=0x7fffec007720,
callback=callback at entry=0x423f10 <_xmpp_connection_received_data>,
user_data=user_data at entry=0x6bda50) at
/tmp/buildd/glib2.0-2.36.3/./gio/ginputstream.c:631
        class = 0x6a5b30
        error = 0x0
        __PRETTY_FUNCTION__ = "g_input_stream_read_async"
#6  0x0000000000423488 in wocky_xmpp_connection_do_read (self=0x6bda50) at
/home/smcv/src/fdo/wocky/wocky/wocky-xmpp-connection.c:478
        priv = 0x6bda70
        input = <optimized out>
#7  0x000000000040a21e in client_connected (channel=<optimized out>,
cond=<optimized out>, data=0x663f68 <tests+392>) at
/home/smcv/src/fdo/wocky/tests/wocky-connector-test.c:3311
        srv = 0x663f68 <tests+392>
        client = {sin_family = 2, sin_port = 63365, sin_addr = {s_addr =
16777343}, sin_zero = "\000\000\000\000\000\000\000"}
        clen = 16
        ssock = <optimized out>
        csock = <optimized out>
        gsock = <optimized out>
        cproblem = 0x663f84 <tests+420>
        flags = <optimized out>
        gconn = 0x7fffe4002980
#8  0x00007ffff67ddea6 in g_main_dispatch (context=0x687460) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3054
        dispatch = 0x7ffff681dc50 <g_io_unix_dispatch>
        was_in_call = 0
        user_data = 0x663f68 <tests+392>
        callback = 0x40a0f0 <client_connected>
        cb_funcs = 0x7ffff6a93940 <g_source_callback_funcs>
        cb_data = 0x691180
        need_destroy = <optimized out>
        current_source_link = {data = 0x691250, next = 0x0}
        source = 0x691250
        current = 0x691ab0
        i = 0
#9  g_main_context_dispatch (context=context at entry=0x687460) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3630
No locals.
#10 0x00007ffff67de1f8 in g_main_context_iterate (context=0x687460,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3701
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 3
        fds = 0x69dfc0
#11 0x00007ffff67de5fa in g_main_loop_run (loop=0x6877e0) at
/tmp/buildd/glib2.0-2.36.3/./glib/gmain.c:3895
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#12 0x000000000040a7ef in run_test (data=0x663f20 <tests+320>) at
/home/smcv/src/fdo/wocky/tests/wocky-connector-test.c:3568
        wcon = 0x6b2030
        handler = 0x686c40
        test = 0x663f20 <tests+320>
        dummy = {st_dev = 2500, st_ino = 6826448, st_nlink = 140737488345472,
st_mode = 4135513976, st_uid = 32767, st_gid = 6826448, __pad0 = 0, st_rdev =
140737488345472, st_size = 4, st_blksize = 140737328902293, st_blocks =
140737331675968, st_atim = {tv_sec = 140737488345488, tv_nsec =
140737488345464}, st_mtim = {tv_sec = 140737328965781, tv_nsec = 5318377472},
st_ctim = {tv_sec = 140737488345496, tv_nsec = -7059753778464474767}, __unused
= {5330327780877018406, 3487246478737815860, 140737321293312}}
        base = <optimized out>
        path = <optimized out>
        ca = 0x439ea0 "/home/smcv/src/fdo/wocky/tests/certs/ca-0-cert.pem"
        __PRETTY_FUNCTION__ = "run_test"
#13 0x00007ffff68015a7 in test_case_run (tc=0x685860) at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1714
        test_run_timer = 0x68b0b0
        largs = {<invalid float value>, 0, <invalid float value>}
        fixture = 0x663f20 <tests+320>
        old_name = 0x691060 "/connector/basic/noserv/nohost"
        old_base = 0x68edc0 "http://bugs.freedesktop.org/show_bug.cgi?id="
        success = 1
#14 g_test_run_suite_internal (suite=suite at entry=0x683580, path=<optimized
out>, path at entry=0x7fffffffe355 "/noport") at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1767
        tc = 0x685860
        n = <optimized out>
        n_bad = 0
        l = 6
        rest = 0x0
        old_name = 0x689dc0 "/connector/basic/noserv"
        slist = 0x690260
        reversed = 0x690260
        __PRETTY_FUNCTION__ = "g_test_run_suite_internal"
#15 0x00007ffff6801726 in g_test_run_suite_internal
(suite=suite at entry=0x683560, path=<optimized out>, path at entry=0x7fffffffe34e
"/nohost/noport") at /tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1778
        ts = 0x683580
        n = <optimized out>
        n_bad = 0
        l = 6
        rest = 0x7fffffffe355 "/noport"
        old_name = 0x6876b0 "/connector/basic"
        slist = 0x68f190
        reversed = 0x68f190
        __PRETTY_FUNCTION__ = "g_test_run_suite_internal"
#16 0x00007ffff6801726 in g_test_run_suite_internal
(suite=suite at entry=0x683540, path=<optimized out>, path at entry=0x7fffffffe347
"/noserv/nohost/noport") at /tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1778
        ts = 0x683560
        n = <optimized out>
        n_bad = 0
        l = 6
        rest = 0x7fffffffe34e "/nohost/noport"
        old_name = 0x68f450 "/connector"
        slist = 0x68f160
        reversed = 0x68f160
        __PRETTY_FUNCTION__ = "g_test_run_suite_internal"
#17 0x00007ffff6801726 in g_test_run_suite_internal
(suite=suite at entry=0x683520, path=<optimized out>, path at entry=0x7fffffffe341
"/basic/noserv/nohost/noport") at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1778
        ts = 0x683540
        n = <optimized out>
        n_bad = 0
        l = 5
        rest = 0x7fffffffe347 "/noserv/nohost/noport"
        old_name = 0x68f7a0 ""
        slist = 0x690110
        reversed = 0x690110
        __PRETTY_FUNCTION__ = "g_test_run_suite_internal"
#18 0x00007ffff6801726 in g_test_run_suite_internal
(suite=suite at entry=0x683500, path=<optimized out>, path at entry=0x7fffffffe338
"connector/basic/noserv/nohost/noport") at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1778
        ts = 0x683520
        n = <optimized out>
        n_bad = 0
        l = 9
        rest = 0x7fffffffe341 "/basic/noserv/nohost/noport"
        old_name = 0x7ffff6850abe ""
        slist = 0x690370
        reversed = 0x690370
        __PRETTY_FUNCTION__ = "g_test_run_suite_internal"
#19 0x00007ffff6801a93 in g_test_run_suite (suite=0x683500) at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1823
        rest = <optimized out>
        path = 0x7fffffffe338 "connector/basic/noserv/nohost/noport"
        l = <optimized out>
        n = 0
        n_bad = 0
        __PRETTY_FUNCTION__ = "g_test_run_suite"
#20 0x00007ffff6801ad5 in g_test_run () at
/tmp/buildd/glib2.0-2.36.3/./glib/gtestutils.c:1324
No locals.
#21 0x0000000000409c31 in main (argc=<optimized out>, argv=<optimized out>) at
/home/smcv/src/fdo/wocky/tests/wocky-connector-test.c:3756
        i = <optimized out>
        base = 0x687700 ""
        path = <optimized out>
        dummy = {st_dev = 0, st_ino = 206158430210, st_nlink = 472446402651,
st_mode = 119, st_uid = 124, st_gid = 32, __pad0 = 0, st_rdev =
140737324095040, st_size = 8, st_blksize = 140737488347016, st_blocks =
140737488347048, st_atim = {tv_sec = 140737334096360, tv_nsec = 0}, st_mtim =
{tv_sec = 140737320784019, tv_nsec = 1}, st_ctim = {tv_sec = 4430109, tv_nsec =
140737334096360}, __unused = {0, 4430016, 4234355}}
        result = <optimized out>
        __PRETTY_FUNCTION__ = "main"

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