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Re: (ITS#7926) modifying olcListenerThreads crashes slapd
--On Monday, August 25, 2014 9:53 PM +0000 quanah@openldap.org wrote:
> Full_Name: Quanah Gibson-Mount
> Version: 2.4.39
> OS: Linux 3.13
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (75.111.58.125)
>
>
> After modifying olcListenerThreads for a running slapd, the process died
> and I had to restart ldap. Going to see if cores were enabled.
>
Trivial to reproduce:
(gdb) cont
Continuing.
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f963ca41700 (LWP 12048)]
0x0000000000432279 in slapd_clr_read (s=13, wake=0) at daemon.c:981
981 daemon.c: No such file or directory.
in daemon.c
Thread 6 (Thread 0x7f963ca41700 (LWP 12048)):
#0 0x0000000000432279 in slapd_clr_read (s=13, wake=0) at daemon.c:981
rc = 1
id = 1
#1 0x000000000043ab9c in connection_read_activate (s=13) at
connection.c:1285
rc = 62
#2 0x0000000000436ddb in slapd_daemon_task (ptr=0x1ba1d28) at daemon.c:2769
rc = 1
fd = 13
w = 0
r = 1
ns = 1
at = 0
nfds = 18
revents = 0x1c40000
tvp = 0x0
cat = {tv_sec = 0, tv_usec = 0}
i = 0
nwriters = 0
now = 1409005820
tv = {tv_sec = 0, tv_usec = 0}
tdelta = 1
rtask = 0x0
l = 2
last_idle_check = 1408061664
ebadf = 0
tid = 0
#3 0x0000003e130079d1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4 0x0000003e12ce8b5d in clone () from /lib64/libc.so.6
No symbol table info available.
Thread 5 (Thread 0x7f963c240700 (LWP 12052)):
#0 0x0000003e1300b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
No symbol table info available.
#1 0x00007fa28ef29787 in ldap_pvt_thread_cond_wait (cond=0x1bdc038,
mutex=0x1bdc010) at thr_posix.c:277
No locals.
#2 0x00007fa28ef27fa2 in ldap_int_thread_pool_wrapper (xpool=0x1bdc000) at
tpool.c:927
pq = 0x1bdc000
pool = 0x1da0180
task = 0x0
work_list = 0x1bdc070
ctx = {ltu_pq = 0x1bdc000, ltu_id = 140283230816000, ltu_key =
{{ltk_key = 0x43a106, ltk_data = 0x1da4e00, ltk_free = 0x439f4a
<conn_counter_destroy>}, {ltk_key = 0x4ad967,
ltk_data = 0x3d9c2c0, ltk_free = 0x4ad78c
<slap_sl_mem_destroy>}, {ltk_key = 0x455375, ltk_data = 0x20a03c0, ltk_free
= 0x4552c8 <slap_op_q_destroy>}, {
ltk_key = 0x7fa28b554533, ltk_data = 0x419e000, ltk_free =
0x7fa28b554510 <search_stack_free>}, {ltk_key = 0x7fa28b5515ab, ltk_data =
0x3e9e000,
ltk_free = 0x7fa28b551563 <scope_chunk_free>}, {ltk_key =
0x1bdd6c0, ltk_data = 0x1fe2200, ltk_free = 0x7fa28b55f195
<mdb_reader_free>}, {ltk_key = 0x0,
ltk_data = 0x9106400, ltk_free = 0}, {ltk_key = 0x0, ltk_data
= 0x0, ltk_free = 0} <repeats 25 times>}}
kctx = 0x0
i = 32
keyslot = 380
hash = 3641033084
pool_lock = 0
freeme = 0
__PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#3 0x0000003e130079d1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4 0x0000003e12ce8b5d in clone () from /lib64/libc.so.6
No symbol table info available.
Thread 4 (Thread 0x7f963ba3f700 (LWP 12183)):
#0 0x0000003e1300b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
No symbol table info available.
#1 0x00007fa28ef29787 in ldap_pvt_thread_cond_wait (cond=0x1bdc038,
mutex=0x1bdc010) at thr_posix.c:277
No locals.
#2 0x00007fa28ef27fa2 in ldap_int_thread_pool_wrapper (xpool=0x1bdc000) at
tpool.c:927
pq = 0x1bdc000
pool = 0x1da0180
task = 0x0
work_list = 0x1bdc070
ctx = {ltu_pq = 0x1bdc000, ltu_id = 140283222423296, ltu_key =
{{ltk_key = 0x43a106, ltk_data = 0x1da4700, ltk_free = 0x439f4a
<conn_counter_destroy>}, {ltk_key = 0x4ad967,
ltk_data = 0x3d9c9c0, ltk_free = 0x4ad78c
<slap_sl_mem_destroy>}, {ltk_key = 0x1bdd6c0, ltk_data = 0x52dc000,
ltk_free = 0x7fa28b55f195 <mdb_reader_free>}, {
ltk_key = 0x7fa28b554533, ltk_data = 0x55e6000, ltk_free =
0x7fa28b554510 <search_stack_free>}, {ltk_key = 0x7fa28b5515ab, ltk_data =
0x52e6000,
ltk_free = 0x7fa28b551563 <scope_chunk_free>}, {ltk_key =
0x455375, ltk_data = 0x237b840, ltk_free = 0x4552c8 <slap_op_q_destroy>},
{ltk_key = 0x0, ltk_data = 0x66ed600,
ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}
<repeats 25 times>}}
kctx = 0x0
i = 32
keyslot = 138
hash = 3676775562
pool_lock = 0
freeme = 0
__PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#3 0x0000003e130079d1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4 0x0000003e12ce8b5d in clone () from /lib64/libc.so.6
No symbol table info available.
Thread 3 (Thread 0x7f963b23e700 (LWP 24606)):
#0 0x0000003e1300b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
No symbol table info available.
#1 0x00007fa28ef29787 in ldap_pvt_thread_cond_wait (cond=0x1bdc038,
mutex=0x1bdc010) at thr_posix.c:277
No locals.
#2 0x00007fa28ef27fa2 in ldap_int_thread_pool_wrapper (xpool=0x1bdc000) at
tpool.c:927
pq = 0x1bdc000
pool = 0x1da0180
task = 0x0
work_list = 0x1bdc070
ctx = {ltu_pq = 0x1bdc000, ltu_id = 140283214030592, ltu_key =
{{ltk_key = 0x43a106, ltk_data = 0x2155100, ltk_free = 0x439f4a
<conn_counter_destroy>}, {ltk_key = 0x4ad967,
ltk_data = 0x66d6b40, ltk_free = 0x4ad78c
<slap_sl_mem_destroy>}, {ltk_key = 0x455375, ltk_data = 0x2379a40, ltk_free
= 0x4552c8 <slap_op_q_destroy>}, {ltk_key = 0x1bdd6c0,
ltk_data = 0x6a60000, ltk_free = 0x7fa28b55f195
<mdb_reader_free>}, {ltk_key = 0x7fa28b554533, ltk_data = 0x6d6e000,
ltk_free = 0x7fa28b554510 <search_stack_free>}, {
ltk_key = 0x7fa28b5515ab, ltk_data = 0x6a6e000, ltk_free =
0x7fa28b551563 <scope_chunk_free>}, {ltk_key = 0x0, ltk_data = 0x9108800,
ltk_free = 0}, {ltk_key = 0x0,
ltk_data = 0x0, ltk_free = 0} <repeats 25 times>}}
kctx = 0x0
i = 32
keyslot = 250
hash = 907520250
pool_lock = 0
freeme = 0
__PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#3 0x0000003e130079d1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4 0x0000003e12ce8b5d in clone () from /lib64/libc.so.6
No symbol table info available.
Thread 2 (Thread 0x7f963aa3d700 (LWP 24607)):
#0 0x0000003e1300b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
No symbol table info available.
#1 0x00007fa28ef29787 in ldap_pvt_thread_cond_wait (cond=0x1bdc038,
mutex=0x1bdc010) at thr_posix.c:277
No locals.
#2 0x00007fa28ef27fa2 in ldap_int_thread_pool_wrapper (xpool=0x1bdc000) at
tpool.c:927
pq = 0x1bdc000
pool = 0x1da0180
task = 0x0
work_list = 0x1bdc070
ctx = {ltu_pq = 0x1bdc000, ltu_id = 140283205637888, ltu_key =
{{ltk_key = 0x43a106, ltk_data = 0x2154f00, ltk_free = 0x439f4a
<conn_counter_destroy>}, {ltk_key = 0x4ad967,
ltk_data = 0x66d6b80, ltk_free = 0x4ad78c
<slap_sl_mem_destroy>}, {ltk_key = 0x455375, ltk_data = 0x66c6000, ltk_free
= 0x4552c8 <slap_op_q_destroy>}, {ltk_key = 0x1bdd6c0,
ltk_data = 0x6a61a00, ltk_free = 0x7fa28b55f195
<mdb_reader_free>}, {ltk_key = 0x7fa28b554533, ltk_data = 0x806e000,
ltk_free = 0x7fa28b554510 <search_stack_free>}, {
ltk_key = 0x7fa28b5515ab, ltk_data = 0x7d6e000, ltk_free =
0x7fa28b551563 <scope_chunk_free>}, {ltk_key = 0x0, ltk_data = 0x9108800,
ltk_free = 0}, {ltk_key = 0x0,
ltk_data = 0x0, ltk_free = 0} <repeats 25 times>}}
kctx = 0x0
i = 32
keyslot = 41
hash = 1003389993
pool_lock = 0
freeme = 0
__PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#3 0x0000003e130079d1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4 0x0000003e12ce8b5d in clone () from /lib64/libc.so.6
No symbol table info available.
Thread 1 (Thread 0x7fa28e26a720 (LWP 12047)):
#0 0x0000003e1300822d in pthread_join () from /lib64/libpthread.so.0
No symbol table info available.
#1 0x00007fa28ef296c8 in ldap_pvt_thread_join (thread=140283239208704,
thread_return=0x0) at thr_posix.c:197
No locals.
#2 0x0000000000437587 in slapd_daemon () at daemon.c:2907
i = 0
rc = 0
#3 0x0000000000414afb in main (argc=9, argv=0x7fff33ea3258) at main.c:1012
i = 9
no_detach = 0
rc = 0
urls = 0x1bb0000 "ldap://zre-ldap003.eng.zimbra.com:389 ldapi:///"
username = 0x1ba0010 "root"
groupname = 0x0
sandbox = 0x0
syslogUser = 128
pid = 0
waitfds = {9, 10}
g_argc = 9
g_argv = 0x7fff33ea3258
configfile = 0x0
configdir = 0x1ba4020 "/opt/zimbra/data/ldap/config"
serverName = 0x7fff33ea4d76 "slapd"
serverMode = 1
scp = 0x0
scp_entry = 0x0
debug_unknowns = 0x0
syslog_unknowns = 0x0
serverNamePrefix = 0x4f19c8 ""
l = 5182640
slapd_pid_file_unlink = 1
slapd_args_file_unlink = 1
firstopt = 0
__PRETTY_FUNCTION__ = "main"
(gdb)
--
Quanah Gibson-Mount
Server Architect
Zimbra, Inc.
--------------------
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