[asterisk-bugs] [JIRA] (ASTERISK-26344) Asterisk 13.11.0 + PJSIP crash
Ian Gilmour (JIRA)
noreply at issues.asterisk.org
Thu Sep 8 04:02:01 CDT 2016
[ https://issues.asterisk.org/jira/browse/ASTERISK-26344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=232214#comment-232214 ]
Ian Gilmour commented on ASTERISK-26344:
----------------------------------------
I repeated the test (with DONT_OPTIMIZE and BETTER_BACKTRACES) this morning - got another (different) crash after ~50 mins.
During the test it closed and reopened PJSIP TCP port a few times and appeared to recover ok each time.
n.b.
* Full log file is > 1GB in size - so I've only attaching the tail end of it (let me know if you need more).
* I inadvertently left PJ_LOG_MAX_LEVEL set to 5 during the run (I can rerun the test with it set to the default 3 if need be).
{noformat}
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff420c1700 (LWP 21901)]
0x00007ffff78e36d2 in find_entry (pool=0x0, ht=0x7fff88277558, key=0x7fffa2bb7b05, keylen=11, val=0x0, hval=0x7fff420c071c, entry_buf=0x0, lower=0) at ../src/pj/hash.c:177
177 for (p_entry = &ht->table[hash & ht->rows], entry=*p_entry;
Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.5-7.el6_0.x86_64 cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64 db4-4.7.25-20.el6_7.x86_64 elfutils-libelf-0.164-2.el6.x86_64 gsm-1.0.13-4.el6.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-57.el6.x86_64 libacl-2.2.49-6.el6.x86_64 libattr-2.4.44-7.el6.x86_64 libcap-2.16-5.5.el6.x86_64 libcom_err-1.41.12-22.el6.x86_64 libgcc-4.4.7-17.el6.x86_64 libidn-1.18-2.el6.x86_64 libselinux-2.0.94-7.el6.x86_64 libstdc++-4.4.7-17.el6.x86_64 libtool-ltdl-2.2.6-15.5.el6.x86_64 libuuid-2.17.2-12.24.el6.x86_64 libxml2-2.7.6-21.el6_8.1.x86_64 libxslt-1.1.26-2.el6_3.1.x86_64 lm_sensors-libs-3.1.1-17.el6.x86_64 lua-5.1.4-4.1.el6.x86_64 mysql-libs-5.1.73-7.el6.x86_64 ncurses-libs-5.7-4.20090207.el6.x86_64 net-snmp-libs-5.5-57.el6.x86_64 nspr-4.11.0-1.el6.x86_64 nss-3.21.0-8.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64 nss-util-3.21.0-2.el6.x86_64 openldap-2.4.40-12.el6.x86_64 perl-libs-5.10.1-141.el6_7.1.x86_64 popt-1.13-7.el6.x86_64 rpm-libs-4.8.0-55.el6.x86_64 speex-1.2-0.12.rc1.1.el6.x86_64 sqlite-3.6.20-1.el6_7.2.x86_64 tcp_wrappers-libs-7.6-58.el6.x86_64 unixODBC-2.2.14-14.el6.x86_64 xz-libs-4.999.9-0.5.beta.20091007git.el6.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt
#0 0x00007ffff78e36d2 in find_entry (pool=0x0, ht=0x7fff88277558, key=0x7fffa2bb7b05, keylen=11, val=0x0, hval=0x7fff420c071c, entry_buf=0x0, lower=0) at ../src/pj/hash.c:177
#1 0x00007ffff78e3890 in pj_hash_get (ht=0x7fff88277558, key=0x7fffa2bb7b05, keylen=4294967295, hval=0x7fff420c071c) at ../src/pj/hash.c:230
#2 0x00007ffff12c168f in ast_sip_dict_get (ht=0x7fff88277558, key=0x7fffa2bb7b05 "on_response") at res_pjsip.c:3954
#3 0x00007fffa2bb5bb2 in session_inv_on_tsx_state_changed (inv=0x7fff94049678, tsx=0x7fff8976af48, e=0x7fff420c08d0) at res_pjsip_session.c:2623
#4 0x00007ffff7818594 in mod_inv_on_tsx_state (tsx=0x7fff8976af48, e=0x7fff420c08d0) at ../src/pjsip-ua/sip_inv.c:699
#5 0x00007ffff7864460 in pjsip_dlg_on_tsx_state (dlg=0x7fff887891d8, tsx=0x7fff8976af48, e=0x7fff420c08d0) at ../src/pjsip/sip_dialog.c:2055
#6 0x00007ffff7864cd0 in mod_ua_on_tsx_state (tsx=0x7fff8976af48, e=0x7fff420c08d0) at ../src/pjsip/sip_ua_layer.c:178
#7 0x00007ffff785cdf8 in tsx_set_state (tsx=0x7fff8976af48, state=PJSIP_TSX_STATE_COMPLETED, event_src_type=PJSIP_EVENT_RX_MSG, event_src=0x7fffd8257bc8, flag=0) at ../src/pjsip/sip_transaction.c:1233
#8 0x00007ffff785fd39 in tsx_on_state_proceeding_uac (tsx=0x7fff8976af48, event=0x7fff420c0a20) at ../src/pjsip/sip_transaction.c:2957
#9 0x00007ffff785f357 in tsx_on_state_calling (tsx=0x7fff8976af48, event=0x7fff420c0a20) at ../src/pjsip/sip_transaction.c:2540
#10 0x00007ffff785dcef in pjsip_tsx_recv_msg (tsx=0x7fff8976af48, rdata=0x7fffd8257bc8) at ../src/pjsip/sip_transaction.c:1787
#11 0x00007ffff785c28a in mod_tsx_layer_on_rx_response (rdata=0x7fffd8257bc8) at ../src/pjsip/sip_transaction.c:875
#12 0x00007ffff7842b8d in pjsip_endpt_process_rx_data (endpt=0x123d1a8, rdata=0x7fffd8257bc8, p=0x7ffff14f7e40, p_handled=0x7fff420c0b64) at ../src/pjsip/sip_endpoint.c:894
#13 0x00007ffff12dce59 in distribute (data=0x7fffd8257bc8) at res_pjsip/pjsip_distributor.c:765
#14 0x00000000005ed9cb in ast_taskprocessor_execute (tps=0x7fff94094648) at taskprocessor.c:938
#15 0x00000000005f6aca in execute_tasks (data=0x7fff94094648) at threadpool.c:1322
#16 0x00000000005ed9cb in ast_taskprocessor_execute (tps=0x1236e88) at taskprocessor.c:938
#17 0x00000000005f4dd5 in threadpool_execute (pool=0x123ab28) at threadpool.c:351
#18 0x00000000005f63e8 in worker_active (worker=0x7fff9006c868) at threadpool.c:1105
#19 0x00000000005f6194 in worker_start (arg=0x7fff9006c868) at threadpool.c:1024
#20 0x00000000006023ee in dummy_start (data=0x7fff900696d0) at utils.c:1235
#21 0x00007ffff5a4baa1 in start_thread (arg=0x7fff420c1700) at pthread_create.c:301
#22 0x00007ffff5057aad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
(gdb) bt full
#0 0x00007ffff78e36d2 in find_entry (pool=0x0, ht=0x7fff88277558, key=0x7fffa2bb7b05, keylen=11, val=0x0, hval=0x7fff420c071c, entry_buf=0x0, lower=0) at ../src/pj/hash.c:177
hash = 1918918923
p_entry = 0x3085c
entry = 0x57d11483
#1 0x00007ffff78e3890 in pj_hash_get (ht=0x7fff88277558, key=0x7fffa2bb7b05, keylen=4294967295, hval=0x7fff420c071c) at ../src/pj/hash.c:230
entry = 0x7fff94049678
#2 0x00007ffff12c168f in ast_sip_dict_get (ht=0x7fff88277558, key=0x7fffa2bb7b05 "on_response") at res_pjsip.c:3954
hval = 1918918923
#3 0x00007fffa2bb5bb2 in session_inv_on_tsx_state_changed (inv=0x7fff94049678, tsx=0x7fff8976af48, e=0x7fff420c08d0) at res_pjsip_session.c:2623
cb = 0x4
id = 15
session = 0x7fff9404cab8
tdata = 0x7ffff78dd302
__PRETTY_FUNCTION__ = "session_inv_on_tsx_state_changed"
#4 0x00007ffff7818594 in mod_inv_on_tsx_state (tsx=0x7fff8976af48, e=0x7fff420c08d0) at ../src/pjsip-ua/sip_inv.c:699
dlg = 0x7fff887891d8
inv = 0x7fff94049678
#5 0x00007ffff7864460 in pjsip_dlg_on_tsx_state (dlg=0x7fff887891d8, tsx=0x7fff8976af48, e=0x7fff420c08d0) at ../src/pjsip/sip_dialog.c:2055
i = 2
#6 0x00007ffff7864cd0 in mod_ua_on_tsx_state (tsx=0x7fff8976af48, e=0x7fff420c08d0) at ../src/pjsip/sip_ua_layer.c:178
dlg = 0x7fff887891d8
#7 0x00007ffff785cdf8 in tsx_set_state (tsx=0x7fff8976af48, state=PJSIP_TSX_STATE_COMPLETED, event_src_type=PJSIP_EVENT_RX_MSG, event_src=0x7fffd8257bc8, flag=0) at ../src/pjsip/sip_transaction.c:1233
e = {prev = 0x7fff420c0910, next = 0x7ffff78f33cb, type = PJSIP_EVENT_TSX_STATE, body = {timer = {entry = 0x7fffd8257bc8}, tsx_state = {src = {rdata = 0x7fffd8257bc8, tdata = 0x7fffd8257bc8, timer = 0x7fffd8257bc8, status = -668632120, data = 0x7fffd8257bc8}, tsx = 0x7fff8976af48, prev_state = 1, type = PJSIP_EVENT_RX_MSG}, tx_msg = {tdata = 0x7fffd8257bc8}, tx_error = {tdata = 0x7fffd8257bc8, tsx = 0x7fff8976af48}, rx_msg = {rdata = 0x7fffd8257bc8}, user = {user1 = 0x7fffd8257bc8, user2 = 0x7fff8976af48, user3 = 0x300000001, user4 = 0x28976aff0}}}
prev_state = PJSIP_TSX_STATE_CALLING
#8 0x00007ffff785fd39 in tsx_on_state_proceeding_uac (tsx=0x7fff8976af48, event=0x7fff420c0a20) at ../src/pjsip/sip_transaction.c:2957
timeout = {sec = 0, msec = 0}
#9 0x00007ffff785f357 in tsx_on_state_calling (tsx=0x7fff8976af48, event=0x7fff420c0a20) at ../src/pjsip/sip_transaction.c:2540
msg = 0x7fffd8259690
code = 200
#10 0x00007ffff785dcef in pjsip_tsx_recv_msg (tsx=0x7fff8976af48, rdata=0x7fffd8257bc8) at ../src/pjsip/sip_transaction.c:1787
event = {prev = 0x0, next = 0x7fff8816e528, type = PJSIP_EVENT_RX_MSG, body = {timer = {entry = 0x7fffd8257bc8}, tsx_state = {src = {rdata = 0x7fffd8257bc8, tdata = 0x7fffd8257bc8, timer = 0x7fffd8257bc8, status = -668632120, data = 0x7fffd8257bc8}, tsx = 0x7fff420c0a70, prev_state = -141699390, type = 32767}, tx_msg = {tdata = 0x7fffd8257bc8}, tx_error = {tdata = 0x7fffd8257bc8, tsx = 0x7fff420c0a70}, rx_msg = {rdata = 0x7fffd8257bc8}, user = {user1 = 0x7fffd8257bc8, user2 = 0x7fff420c0a70, user3 = 0x7ffff78dd6c2, user4 = 0x7fff420c0a70}}}
#11 0x00007ffff785c28a in mod_tsx_layer_on_rx_response (rdata=0x7fffd8257bc8) at ../src/pjsip/sip_transaction.c:875
key = {ptr = 0x7fff89121f80 "c$BYE$z9hG4bKPj4ce37655-c6fe-467e-9834-0cd83e7839c6", slen = 51}
hval = 452279487
tsx = 0x7fff8976af48
#12 0x00007ffff7842b8d in pjsip_endpt_process_rx_data (endpt=0x123d1a8, rdata=0x7fffd8257bc8, p=0x7ffff14f7e40, p_handled=0x7fff420c0b64) at ../src/pjsip/sip_endpoint.c:894
msg = 0x7fffd8259690
def_prm = {start_prio = 1108085632, start_mod = 0x6f3e0b, idx_after_start = 7291691, silent = 0}
mod = 0x7ffff7b54220
handled = 0
i = 1
status = 0
#13 0x00007ffff12dce59 in distribute (data=0x7fffd8257bc8) at res_pjsip/pjsip_distributor.c:765
param = {start_prio = 0, start_mod = 0x7ffff14f7ca0, idx_after_start = 1, silent = 0}
handled = 0
rdata = 0x7fffd8257bc8
is_request = 0
is_ack = 0
endpoint = 0x7fff00000000
#14 0x00000000005ed9cb in ast_taskprocessor_execute (tps=0x7fff94094648) at taskprocessor.c:938
local = {local_data = 0x7fff420c19c0, data = 0x600b26}
t = 0x7fffd817e970
size = 9989040
__PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#15 0x00000000005f6aca in execute_tasks (data=0x7fff94094648) at threadpool.c:1322
tps = 0x7fff94094648
#16 0x00000000005ed9cb in ast_taskprocessor_execute (tps=0x1236e88) at taskprocessor.c:938
local = {local_data = 0x57d11483, data = 0x0}
t = 0x7fffd80a2b30
size = 140734301476608
__PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#17 0x00000000005f4dd5 in threadpool_execute (pool=0x123ab28) at threadpool.c:351
__PRETTY_FUNCTION__ = "threadpool_execute"
#18 0x00000000005f63e8 in worker_active (worker=0x7fff9006c868) at threadpool.c:1105
alive = 1
#19 0x00000000005f6194 in worker_start (arg=0x7fff9006c868) at threadpool.c:1024
worker = 0x7fff9006c868
saved_state = 32767
__PRETTY_FUNCTION__ = "worker_start"
#20 0x00000000006023ee in dummy_start (data=0x7fff900696d0) at utils.c:1235
__cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {140734301476608, -8273484635704556838, 140737221511808, 140734301477312, 140735609810640, 3, -8273484635729722662, 8273157970701812442}, __mask_was_saved = 0}}, __pad = {0x7fff420c0e30, 0x0, 0x0, 0x20}}
__cancel_routine = 0x451815 <ast_unregister_thread>
__cancel_arg = 0x7fff420c1700
not_first_call = 0
ret = 0x7ffff52f9858
a = {start_routine = 0x5f610d <worker_start>, data = 0x7fff9006c868, name = 0x7fff900ce6e0 "worker_start started at [ 1079] threadpool.c worker_thread_start()"}
#21 0x00007ffff5a4baa1 in start_thread (arg=0x7fff420c1700) at pthread_create.c:301
__res = <value optimized out>
pd = 0x7fff420c1700
now = <value optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140734301476608, 8273158244416717530, 140737221511808, 140734301477312, 140735609810640, 3, -8273484635702459686, -8273179729874550054}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
not_first_call = <value optimized out>
pagesize_m1 = <value optimized out>
sp = <value optimized out>
freesize = <value optimized out>
#22 0x00007ffff5057aad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
No locals.
{noformat}
> Asterisk 13.11.0 + PJSIP crash
> ------------------------------
>
> Key: ASTERISK-26344
> URL: https://issues.asterisk.org/jira/browse/ASTERISK-26344
> Project: Asterisk
> Issue Type: Bug
> Security Level: None
> Components: pjproject/pjsip
> Affects Versions: 13.11.0
> Environment: Centos 6.8 (64-bit) + Asterisk-13.11.0 (with bundled 2.5.5 pjsip) + libsrtp-1.5.4
> Reporter: Ian Gilmour
> Assignee: Ian Gilmour
>
> Hi,
> I have a development Asterisk 13.11.0 test setup (uses the bundled pjsip-2.5.5).
> Environment is Centos 6.8 (64-bit) + Asterisk-13.11.0 + libsrtp-1.5.4.
> On startup Asterisk registers 5 Asterisk users with a remote OpenSIPS server, over TLS, using PJSIP. As part of the test all 5 Asterisk PJSIP users are reregistered with OpenSIPS Server every couple of mins.
> All outgoing/incoming pjsip call media is encrypted using SRTP and via an external RTPPROXY running alongside the external OpenSIPS Server.
> Asterisk is also configured to use chan_sip on 127.0.0.1:5060 to allow calls from a locally run SIPp process. All SIPp calls are TCP+RTP.
> I use SIPp to run multiple concurrent loopback calls (calls vary in
> duration) through Asterisk to the OpenSIPS server and back to an echo() service running on the same Asterisk).
> i.e.
> {noformat}
> SIPp <-TCP/RTP-> chan_sip <-> chan_pjsip <-TLS/SRTP->
> OpenSIPS server (+ rtpproxy) <-TLS/SRTP-> chan_pjsip (echo service).
> {noformat}
> Initially I see all chan_pjsip registrations and reregistrations for all 5 PJSIP users go out through a single TCP port. I then start a SIPp test running multiple concurrent calls. At some point into the test the Asterisk PJSIP TCP port gets closed and reopened - when it does so I see Asterisk crash shortly afterwards. Possibly significantly\(?) the time of the crash was around the time one of the PJSIP users should have reregistered after the TCP outgoing port change (The log shows all 5 PJSIP users reregistering after the PJSIP TCP port change, but only 4 of the 5 reregistering twice before the crash).
> {noformat}
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffa2814700 (LWP 7166)]
> __pthread_mutex_lock (mutex=0x44492d6c6c6143) at pthread_mutex_lock.c:50
> 50 unsigned int type = PTHREAD_MUTEX_TYPE (mutex);
> (gdb) bt
> #0 __pthread_mutex_lock (mutex=0x44492d6c6c6143) at pthread_mutex_lock.c:50
> #1 0x00007ffff78e9d9b in pj_mutex_lock (mutex=0x44492d6c6c6143) at ../src/pj/os_core_unix.c:1265
> #2 0x00007ffff78e9e39 in pj_atomic_dec_and_get (atomic_var=0x7fffd8074630) at ../src/pj/os_core_unix.c:962
> #3 0x00007ffff787d7e0 in pjsip_tx_data_dec_ref (tdata=0x7fff8c3bfab8) at ../src/pjsip/sip_transport.c:495
> #4 0x00007ffff788a087 in tsx_shutdown (tsx=0x7fff94060a98) at ../src/pjsip/sip_transaction.c:1062
> #5 0x00007ffff788b4bc in tsx_set_state (tsx=0x7fff94060a98, state=PJSIP_TSX_STATE_DESTROYED, event_src_type=PJSIP_EVENT_TIMER, event_src=0x7fff94060c50, flag=0) at ../src/pjsip/sip_transaction.c:1271
> #6 0x00007ffff788b88e in tsx_on_state_terminated (tsx=<value optimized out>, event=<value optimized out>) at ../src/pjsip/sip_transaction.c:3337
> #7 0x00007ffff788bcd5 in tsx_timer_callback (theap=<value optimized out>, entry=0x7fff94060c50) at ../src/pjsip/sip_transaction.c:1171
> #8 0x00007ffff78fc449 in pj_timer_heap_poll (ht=0x1137950, next_delay=0x7fffa2813d30) at ../src/pj/timer.c:643
> #9 0x00007ffff7875b19 in pjsip_endpt_handle_events2 (endpt=0x1137668, max_timeout=0x7fffa2813d70, p_count=0x0) at ../src/pjsip/sip_endpoint.c:712
> #10 0x00007ffff1320b00 in monitor_thread_exec (endpt=<value optimized out>) at res_pjsip.c:3889
> #11 0x00007ffff78ea5d6 in thread_main (param=0x114dee8) at ../src/pj/os_core_unix.c:541
> #12 0x00007ffff5a8faa1 in start_thread (arg=0x7fffa2814700) at pthread_create.c:301
> #13 0x00007ffff509baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
> (gdb) bt full
> #0 __pthread_mutex_lock (mutex=0x44492d6c6c6143) at pthread_mutex_lock.c:50
> type = <value optimized out>
> id = <value optimized out>
> #1 0x00007ffff78e9d9b in pj_mutex_lock (mutex=0x44492d6c6c6143) at ../src/pj/os_core_unix.c:1265
> status = <value optimized out>
> #2 0x00007ffff78e9e39 in pj_atomic_dec_and_get (atomic_var=0x7fffd8074630) at ../src/pj/os_core_unix.c:962
> new_value = <value optimized out>
> #3 0x00007ffff787d7e0 in pjsip_tx_data_dec_ref (tdata=0x7fff8c3bfab8) at ../src/pjsip/sip_transport.c:495
> No locals.
> #4 0x00007ffff788a087 in tsx_shutdown (tsx=0x7fff94060a98) at ../src/pjsip/sip_transaction.c:1062
> No locals.
> #5 0x00007ffff788b4bc in tsx_set_state (tsx=0x7fff94060a98, state=PJSIP_TSX_STATE_DESTROYED, event_src_type=PJSIP_EVENT_TIMER, event_src=0x7fff94060c50, flag=0) at ../src/pjsip/sip_transaction.c:1271
> prev_state = PJSIP_TSX_STATE_TERMINATED
> #6 0x00007ffff788b88e in tsx_on_state_terminated (tsx=<value optimized out>, event=<value optimized out>) at ../src/pjsip/sip_transaction.c:3337
> No locals.
> #7 0x00007ffff788bcd5 in tsx_timer_callback (theap=<value optimized out>, entry=0x7fff94060c50) at ../src/pjsip/sip_transaction.c:1171
> event = {prev = 0x7fff8c5f4908, next = 0x1bfe, type = PJSIP_EVENT_TIMER, body = {timer = {entry = 0x7fff94060c50}, tsx_state = {src = {rdata = 0x7fff94060c50, tdata = 0x7fff94060c50, timer = 0x7fff94060c50, status = -1811542960, data = 0x7fff94060c50},
> tsx = 0x7fffa2813c90, prev_state = -1568588592, type = 32767}, tx_msg = {tdata = 0x7fff94060c50}, tx_error = {tdata = 0x7fff94060c50, tsx = 0x7fffa2813c90}, rx_msg = {rdata = 0x7fff94060c50}, user = {user1 = 0x7fff94060c50, user2 = 0x7fffa2813c90,
> user3 = 0x7fffa2813cd0, user4 = 0x0}}}
> tsx = 0x7fff94060a98
> #8 0x00007ffff78fc449 in pj_timer_heap_poll (ht=0x1137950, next_delay=0x7fffa2813d30) at ../src/pj/timer.c:643
> node = 0x7fff94060c50
> grp_lock = 0x7fffd8000ab8
> now = {sec = 613363, msec = 925}
> count = 2
> #9 0x00007ffff7875b19 in pjsip_endpt_handle_events2 (endpt=0x1137668, max_timeout=0x7fffa2813d70, p_count=0x0) at ../src/pjsip/sip_endpoint.c:712
> timeout = {sec = 0, msec = 0}
> count = 0
> net_event_count = 0
> c = <value optimized out>
> #10 0x00007ffff1320b00 in monitor_thread_exec (endpt=<value optimized out>) at res_pjsip.c:3889
> delay = {sec = 0, msec = 10}
> #11 0x00007ffff78ea5d6 in thread_main (param=0x114dee8) at ../src/pj/os_core_unix.c:541
> rec = 0x114dee8
> result = <value optimized out>
> #12 0x00007ffff5a8faa1 in start_thread (arg=0x7fffa2814700) at pthread_create.c:301
> __res = <value optimized out>
> pd = 0x7fffa2814700
> now = <value optimized out>
> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735919769344, -4896504223120570676, 140737488337344, 140735919770048, 0, 3, 4896356555646224076, 4896525551845689036}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
> canceltype = 0}}}
> not_first_call = <value optimized out>
> pagesize_m1 = <value optimized out>
> sp = <value optimized out>
> freesize = <value optimized out>
> #13 0x00007ffff509baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
> No locals.
> {noformat}
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