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(ITS#8103) back-mdb segfault with aliases

To: openldap-its@OpenLDAP.org
Subject: (ITS#8103) back-mdb segfault with aliases
From: quanah@openldap.org
Date: Sun, 12 Apr 2015 04:36:05 +0000
Auto-submitted: auto-generated (OpenLDAP-ITS)
Full_Name: Quanah Gibson-Mount
Version: 2.4.39
OS: Linux 2.6
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (50.25.188.166)


When searching a DB that has extensive use of aliases, and using the -a always
option to ldapsearch, slapd will eventually segv.  This seems specific to the
lmdb based backend.

(gdb) thr apply all bt

Thread 5 (Thread 0x7f9907687700 (LWP 906)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fad0f360ec1 in ldap_pvt_thread_cond_wait (cond=0x1c26030,
mutex=0x1c26008) at thr_posix.c:277
#2  0x00007fad0f35f858 in ldap_int_thread_pool_wrapper (xpool=0x1c26000) at
tpool.c:683
#3  0x00007fad0d726e9a in start_thread (arg=0x7f9907687700) at
pthread_create.c:308
#4  0x00007fad0d4538bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f9908e8a700 (LWP 31908)):
#0  0x00007fad0d453f53 in epoll_wait () at
../sysdeps/unix/syscall-template.S:82
#1  0x000000000043766f in slapd_daemon_task (ptr=0x19fe278) at daemon.c:2517
#2  0x00007fad0d726e9a in start_thread (arg=0x7f9908e8a700) at
pthread_create.c:308
#3  0x00007fad0d4538bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f9908689700 (LWP 32205)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fad0f360ec1 in ldap_pvt_thread_cond_wait (cond=0x1c26030,
mutex=0x1c26008) at thr_posix.c:277
#2  0x00007fad0f35f858 in ldap_int_thread_pool_wrapper (xpool=0x1c26000) at
tpool.c:683
#3  0x00007fad0d726e9a in start_thread (arg=0x7f9908689700) at
pthread_create.c:308
#4  0x00007fad0d4538bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9907e88700 (LWP 32206)):
#0  0x00007fad09d0ea4d in mdb_idscope (op=0x2207400, txn=0x3e85a00, base=1,
ids=0x418e000, res=0x420e000) at dn2id.c:668
#1  0x00007fad09d01f50 in search_aliases (op=0x2207400, rs=0x7f9907e87a20,
e_id=1, isc=0x7f9907e76470, mci=0x1f72680, stack=0x418e000) at search.c:177
#2  0x00007fad09d05c9f in search_candidates (op=0x2207400, rs=0x7f9907e87a20,
e=0x3c60150, isc=0x7f9907e76470, mci=0x1f72680, ids=0x7f9907cf6470,
stack=0x418e000) at search.c:1362
#3  0x00007fad09d03734 in mdb_search (op=0x2207400, rs=0x7f9907e87a20) at
search.c:660
#4  0x00000000004d2932 in overlay_op_walk (op=0x2207400, rs=0x7f9907e87a20,
which=op_search, oi=0x1f6e780, on=0x0) at backover.c:677
#5  0x00000000004d2b84 in over_op_func (op=0x2207400, rs=0x7f9907e87a20,
which=op_search) at backover.c:730
#6  0x00000000004d2c93 in over_op_search (op=0x2207400, rs=0x7f9907e87a20) at
backover.c:757
#7  0x000000000043f88d in fe_op_search (op=0x2207400, rs=0x7f9907e87a20) at
search.c:402
#8  0x000000000043f0c0 in do_search (op=0x2207400, rs=0x7f9907e87a20) at
search.c:247
#9  0x000000000043b8a7 in connection_operation (ctx=0x7f9907e87b60,
arg_v=0x2207400) at connection.c:1132
#10 0x000000000043be39 in connection_read_thread (ctx=0x7f9907e87b60, argv=0xa)
at connection.c:1268
#11 0x00007fad0f35f8ff in ldap_int_thread_pool_wrapper (xpool=0x1c26000) at
tpool.c:696
#12 0x00007fad0d726e9a in start_thread (arg=0x7f9907e88700) at
pthread_create.c:308
#13 0x00007fad0d4538bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fad0fa0f740 (LWP 31907)):
#0  0x00007fad0d728148 in pthread_join (threadid=140295256188672,
thread_return=0x0) at pthread_join.c:89
#1  0x00007fad0f360e02 in ldap_pvt_thread_join (thread=140295256188672,
thread_return=0x0) at thr_posix.c:197
#2  0x00000000004388a9 in slapd_daemon () at daemon.c:2910
#3  0x0000000000414b7c in main (argc=9, argv=0x7ffffc5aae38) at main.c:1017

(gdb) thread 2
[Switching to thread 2 (Thread 0x7f9907e88700 (LWP 32206))]
#0  0x00007fad09d0ea4d imdb_b_idscope (op=0x2207400, txn=0x3e85a00, base=1,
ids=0x418e000, res=0x420e000) at dn2id.c:668
668     in dn2id.c
(gdb) bt full
#0  0x00007fad09d0ea4d in mdb_idscope (op=0x2207400, txn=0x3e85a00, base=1,
ids=0x418e000, res=0x420e000) at dn2id.c:668
        mdb = 0x2246000
        dbi = 3
        key = {mv_size = 8, mv_data = 0x7f9907cf61a8}
        data = {mv_size = 32, mv_data = 0x7f9a72303fb8}
        cursor = 0x1deca00
        ida = 7168015
        id = 1
        cid = 7168015
        ci0 = 0
        idc = 0
        ptr = 0x7f9a72303fd0 "\001"
        rc = 0
        copy = 1
#1  0x00007fad09d01f50 in search_aliases (op=0x2207400, rs=0x7f9907e87a20,
e_id=1, isc=0x7f9907e76470, mci=0x1f72680, stack=0x418e000) at search.c:177
        aliases = 0x418e000
        curscop = 0x420e000
        visited = 0x428e000
        newsubs = 0x430e000
        oldsubs = 0x438e000
        tmp = 0x440e000
        cursora = 27246928
        ida = 31360064
        cursoro = 1
        ido = 1
      matctched = 0x3e85a00
        a = 0x2207400
        bv_alias = {bv_len = 5, bv_val = 0x7fad09d2cbe4 "alias"}
        aa_alias = {aa_desc = 0x1a1c540, aa_value = {bv_len = 5, bv_val =
0x7fad09d2cbe4 "alias"}}
        af = {f_choice = 163, f_un = {f_un_result = 131031616, f_un_desc =
0x7f9907cf6240, f_un_ava = 0x7f9907cf6240, f_un_ssa = 0x7f9907cf6240, f_un_mra =
0x7f9907cf6240,
            f_un_complex = 0x7f9907cf6240}, f_next = 0x0}
#2  0x00007fad09d05c9f in search_candidates (op=0x2207400, rs=0x7f99077a7a20,
e=0x3c60150, isc=0x7f9907e76470, mci=0x1f72680, ids=0x7f9907cf6470,
stack=0x418e000) at search.c:1362
        mdb = 0x2246000
        rc = 32665
        depth = 1
        f = 0x3c60108
        rf = {f_choice = 0, f_un = {f_un_result = 7, f_un_desc = 0x400000007,
f_un_ava = 0x400000007, f_un_ssa = 0x400000007, f_un_mra = 0x400000007,
f_un_complex = 0x400000007},
          f_next = 0x0}
        xf = {f_choice = 63308112, f_un = {f_un_result = 35681280, f_un_desc =
0x2207400, f_un_ava = 0x2207400, f_un_ssa = 0x2207400, f_un_mra = 0x2207400,
f_un_complex = 0x2207400},
          f_next = 0x7f9907e86770}
        nf = {f_choice = 140295237755968, f_un = {f_un_result = 4627239,
f_un_desc = 0x469b27, f_un_ava = 0x469b27, f_un_ssa = 0x469b27, f_un_mra =
0x469b27, f_un_complex = 0x469b27},
          f_next = 0x7f9907cf63f0}
        sf = {f_choice = 140295237755968, f_un = {f_un_result = 132670896,
f_un_desc = 0x7f9907e865b0, f_un_ava = 0x7f9907e865b0, f_un_ssa =
0x7f9907e865b0, f_un_mra = 0x7f9907e865b0,
            f_un_complex = 0x7f9907e865b0}, f_next = 0x0}
        aa_ref = {aa_desc = 0x0, aa_value = {bv_len = 0, bv_val = 0x0}}
        aa_subentry = {aa_desc = 0x0, aa_value = {bv_len = 0, bv_val = 0x0}}
#3  0x00007fad09d03734 in mdb_search (op=0x2207400, rs=0x7f9907e87a20) at
search.c:660
        mdb = 0x2246000
        id = 51
        cursor = 3
        nsubs = 10000018
        ncand = 51
        cscope = 140295239394864
        lastid = 18446744073709551615
        candidates = {0 <repeats 131072 times>}
        iscopes = {0 <repeats 65536 times>}
        scopes = 0x3e8e000
        stack = 0x418e000
        e = 0x0
        base = 0x3c60150
        matched = 0x0
        attrs = 0x0
        mask = 5119
        stoptime = 1428813152
        manageDSAit = 0
        tentries = 0
        isc = {mt = 0x3e85a00, mc = 0x1deae00, id = 0, scopes = 0x3e8e000, sctmp
= 0x418e000, numrdns = 0, nscope = 0, oscope = 2, rdns = {{bv_len = 0,
              bv_val = 0x0} <repeats 2048 times>},rdrdns = {{bv_len = 0, bv_val
= 0x0} <repeats 1718 times>, {bv_len = 140295239389896, bv_val = 0x2 <Address
0x2 out of bounds>}, {
              bv_len = 65559040, bv_val = 0x0}, {bv_len = 149475328, bv_val =
0x20e8290 "\004"}, {bv_len = 140295239389824, bv_val = 0x7f9908e8d000 "\002"},
{bv_len = 0, bv_val = 0x0}, {
              bv_len = 0, bv_val = 0x7f9907e85250 "@T\350\a\231\177"}, {bv_len =
140381170805452, bv_val = 0x0}, {bv_len = 0, bv_val = 0x20e8290 "\004"}, {bv_len
= 140295239389824,
              bv_val = 0x0}, {bv_len = 0, bv_val = 0x0}, {bv_len = 0, bv_val =
0x0}, {bv_len = 0, bv_val = 0x0}, {bv_len = 0, bv_val = 0x0}, {bv_len = 0,
bv_val = 0x0}, {bv_len = 0,
              bv_val = 0x0}, {bv_len = 0, bv_val = 0x7f9907e85140 "\b"}, {bv_len
= 140295239390464, bv_val = 0x7f9907e85180 "\320Q\350\a\231\177"}, {bv_len =
140381170802682,
              bv_val = 0x0}, {bv_len = 140295239389616, bv_val = 0x16fdcf
<Address 0x16fdcf out of bounds>}, {bv_len = 65559040, bv_val = 0x8 <Address 0x8
out of bounds>}, {
              bv_len = 140301427908608, bv_val = 0x7f990909efe8 "WW\027"},
{bv_len = 29398272, bv_val = 0x7f990909e000 "\023\002"}, {bv_len = 4294967296,
              bv_val = 0x7f9a78c5a000 "\317\375\026"}, {bv_len = 31370752,
bv_val = 0x7f9907e851d0 "\300S\350\a\231\177"}, {bv_len = 140381170804162,
bv_val = 0x0}, {bv_len = 0,
              bv_val = 0x7f9907e85500 "\b"}, {bv_len = 31370752, bv_val =
0x7f9a78c5a000 "\317\375\026"}, {bv_len = 140295258370040, bv_val = 0x7e85210
<Address 0x7e85210 out of bounds>},
            {bv_len = 0, bv_val = 0x7f9907e853c0 "@T\350\a\231\177"}, {bv_len =
140381170805452, bv_val = 0x7f9907e85250 "@T\350\a\231\177"}, {bv_len =
164732922,
              bv_val = 0x7f9907e85500 "\b"}, {bv_len = 31375252, bv_val = 0x14
<Address 0x14 out of bounds>}, {bv_len = 65559040, bv_val = 0x4 <Address 0x4 out
of bounds>}, {
              bv_len = 140295256272896, bv_val = 0x7f9908e8df88 "0"}, {bv_len =
29398272, bv_val = 0x7f9908e8d000 "\002"}, {bv_len = 21474836482,
              bv_val = 0x4 <Address 0x4 out of bounds>}, {bv_len = 163208757248,
bv_val = 0x7f9907e85440 "@\204\336\001"}, {bv_len = 140381170805319, bv_val =
0x0}, {bv_len = 8589934592,
              bv_val = 0x0}, {bv_len = 31370752, bv_val = 0x0}, {bv_len = 0,
bv_val = 0x0}, {bv_len = 65559040, bv_val = 0x1 <Address 0x1 out of bounds>},
{bv_len = 65559224,
              bv_val = 0x20e8230 ""}, {bv_len = 65565417, bv_val = 0x100000001
<Address 0x100000001 out of bounds>}, {bv_len = 140295256199168, bv_val = 0x0},
{bv_l % = 0, bv_val = 0x0}, {
              bv_len = 0, bv_val = 0x0}, {bv_len = 0, bv_val = 0x0}, {bv_len =
0, bv_val = 0x7f9907e85380 " "}, {bv_len = 140295239390480, bv_val =
0x7f9907e85380 " "}, {
              bv_len = 63308528, bv_val = 0x7f9a78c5afcc "\200\006dc=spr"},
{bv_len = 140295106723843, bv_val = 0x7f9907e853c0 "@T\350\a\231\177"}, {bv_len
= 140381170810321,
              bv_val = 0x7f9907e853c0 "@T\350\a\231\177"}, {bv_len =
140295239390256, bv_val = 0x1100000000 <Address 0x1100000000 out of bounds>},
{bv_len = 0,
              bv_val = 0x7f9907e85510 "\025"}, {bv_len = 31371144, bv_val = 0x20
<Address 0x20 out of bounds>}, {bv_len = 140301427912652, bv_val =
0x7f9a78c5afa0 "P"}, {
              bv_len = 140301427912624, bv_val = 0x7f9a78c5afc4 ""}, {bv_len =
31370752, bv_val = 0x301deaf88 <Address 0x301deaf88 out of bounds>}, {bv_len =
8589934592,
              bv_val = 0x7f9907e85440 "@\204\336\001"}, {bv_len =
140381170811635, bv_val = 0x0}, {bv_len = 140295239390372, bv_val = 0x200000000
<Address 0x200000000 out of bounds>}, {
              bv_len = 140295239390480, bv_val = 0x7f9907e85500 "\b"}, {bv_len =
18446744073709551595, bv_val = 0x7f9907e85450 "\220T\350\a\231\177"}, {bv_len =
140295256177840,
              bv_val = 0x7f9907e889c0 %C30300\231h\b\231\177"}, {bv_len = 4,
bv_val = 0x7 <Address 0x7 out of bounds>}, {bv_len = 140381259065862, bv_val =
0x0}, {bv_len = 1,
              bv_val = 0x1de8440 ""}, {bv_len = 27255952, bv_val =
0x7f9907e85490 "\260T\350\a\231\177"}, {bv_len = 140381259067289, bv_val =
0x7f9907e854b0 "\220u\350\a\231\177"}, {
              bv_len = 0, bv_val = 0x4f7d80 ""}, {bv_len = 140295239398880,
bv_val = 0x7 <Address 0x7 out of bounds>}, {bv_len = 140295239398880,
              bv_val = 0x7f9907e854b0 "\220u\350\a\231\177"}, {bv_len =
140381259067370, bv_val = 0x4f7d80 ""}, {bv_len = 140295239398880, bv_val =
0x7f9907e87590 ""}, {
              bv_len = 140381170752964, bv_val = 0x7f9907e875f0 "P|\241\001"},
{bv_len =4040295239398880, bv_val = 0x0}, {bv_len = 140295239398912, bv_val =
0x2207448 "\006"}, {
              bv_len = 0, bv_val = 0x3e85a00 ""}, {bv_len = 35681280, bv_val =
0x8 <Address 0x8 out of bounds>}, {bv_len = 140295239390520, bv_val = 0x15
<Address 0x15 out of bounds>}, {
              bv_len = 63308528, bv_val = 0x9 <Address 0x9 out of bounds>},
{bv_len = 63308509, bv_val = 0x1deae00 ""}, {bv_len = 0, bv_val = 0x0}, {bv_len
= 63308539,
              bv_val = 0x2246000 ""}, {bv_len = 63308528, bv_val = 0x3ffff87b2
<Address 0x3ffff87b2 out of bounds>}, {bv_len = 0, bv_val = 0x0} <repeats 45
times>, {bv_len = 0,
              bv_val = 0x18 <Address 0x18 out of bounds>}, {bv_len =
140295239391424, bv_val = 0x7f9907e85870 ""}, {bv_len = 0, bv_val = 0x0},
{bv_len = 0C C bv_val = 0x0}, {bv_len = 0,
              bv_val = 0x802 <Address 0x802 out of bounds>}, {bv_len = 0, bv_val
= 0x0}, {bv_len = 0, bv_val = 0x0}, {bv_len = 0, bv_val = 0x7f9907e858e0
"0i\350\a\231\177"}, {
              bv_len = 140381259073915, bv_val = 0x0}, {bv_len = 42949672961,
bv_val = 0x0}, {bv_len = 8804682956800, bv_val = 0x7f9907e86930
"pi\350\a\231\177"}, {
              bv_len = 140381259071950, bv_val = 0x0}, {bv_len = 36961152,
bv_val = 0x400000000 <Address 0x400000000 out of bounds>}, {bv_len = 36829584,
bv_val = 0x0}, {
              bv_len = 4294967296, bv_val = 0x0}, {bv_len = 0, bv_val = 0x0}
<repeats 24 times>, {bv_len = 4820556, bv_val = 0x1d8e2a0 "\002"}, {bv_len =
140295239394208, bv_val = 0x0}, {
              bv_len = 140295239394208, bv_val = 0x1d8e2a0 "\002"}, {bv_len = 0,
bv_val = 0x7f9907e85b20 "P[\350\a\231\177"}, {bv_len = 5191936, bv_val = 0x0},
{bv_len = 4820454,
              bv_val = 0x7f9907e863a0 "\002"}, {bv_len = 30991040, bv_val =
0x0}, {bv_len = 0,v_v_val = 0x7f9907e85b50 ""}, {bv_len = 4820737, bv_val =
0x0}, {bv_len = 140295239394208,
              bv_val = 0x0}, {bv_len = 4820556, bv_val = 0x1c1a600 "\v"},
{bv_len = 140295239394368, bv_val = 0x0}, {bv_len = 140295239394368, bv_val =
0x1c1a600 "\v"}, {
              bv_len = 63380800, bv_val = 0x7f9907e85bc0 "\360[\350\a\231\177"},
{bv_len = 5191936, bv_val = 0x0}, {bv_len = 4820454, bv_val = 0x7f9907e86440
"\v"}, {bv_len = 29468192,
              bv_val = 0x0}, {bv_len = 0, bv_val = 0x7f9907e85bf0
"\360h\350\a\231\177"}, {bv_len = 4820737, bv_val = 0x1ecfac0 "\024"}, {bv_len =
140295239394368, bv_val = 0x0}, {
              bv_len = 29468160, bv_val = 0x7f9907e868f0 ""}, {bv_len = 4808156,
bv_val = 0x7f9907e85c40 "p\\\350\a\231\177"}, {bv_len = 140295239400000, bv_val
= 0x7f9907e86928 "222}, {
              bv_len = 140295239395648, bv_val = 0x7f9907e864c0
"@\204\336\001"}, {bv_len = 32307936, bv_val = 0x0}, {bv_len = 31356864, bv_val
= 0x7f9907e85c70 "pi\350\a\231\177"}, {
              bv_len = 4820737, bv_val = 0x0}, {bv_len = 140295239394496, bv_val
= 0x0}, {bv_len = 32307904, bv_val = 0x7f9907e86970 ""}, {bv_len = 4808156,
bv_val = 0x0}, {
              bv_len = 140295239395776, bv_val = 0x3c602b0 "\270\002\306\003"},
{bv_len = 63308448, bv_val = 0x0}, {bv_len = 0, bv_val = 0x0} <repeats 25
times>, {bv_len = 0,
              bv_val = 0xffffffffffffffff <Address 0xffffffffffffffff out of
bounds>}, {bv_len = 5, bv_val = 0x0}, {bv_len = 140295239392947, bv_val =
0x7f9907e8631b "52"}, {
              bv_len = 4294967295, bv_val = 0x7f9907e85eb2  <incomplete sequence
\362>}, {bv_len = 18446744073709551504, bv_val = 0x7f9907e85eb0 "\n\211",
<incomplete sequence \362>}, {
              bv_len = 140381228768393, bv_val = 0x0}, {bv_len =
140295239393076, bv_val = 0x7f9907e8631d ""}, {bv_len = 0, bv_val = 0xf2890a
<Address 0xf2890a out of bounds>}, {
              bv_len = 0, bv_val = 0x0}, {bv_len = 140295239393120, bv_val =
0x7f9907e860e0 "\300b\350\a\231\177"}, {bv_len = 64, bv_val = 0x7f9907e86240
"@\200\336\001"}, {bv_len = 0,
              bv_val = 0x10 <Address 0x10 out of bounds>}, {bv_len =
140381228543396, bv_val = 0x0}, {bv_len = 0, bv_val = 0x0}, {bv_len = 0, bv_val
= 0x0}, {bv_len = 0,
              bv_val = 0x34f2890a00000002 <Address 0x34f2890a00000002 out of
bounds>}, {bv_len = 0, bv_val = 0x0}, {bv_len = 0, bv_val = 0x0}, {bv_len =
140381263811342, bv_val = 0x0}, {
              bv_len = 0, bv_val = 0xd794 <Address 0xd794 out of bounds>},
{bv_len = 0, bv_val = 0x0}, {bv_len = 140295239394864, bv_val = 0x7f9907e86620
""}, {bv_len = 140295239395224,
              bv_val = 0x500ad7 "(%s%s=*)"}, {bv_len = 15, bv_val = 0x0},
{bv_len = 140381228009340, bv_val = 0x0}, {bv_len = 5245660, bv_val = 0x70
<Address 0x70 out of bounds>}, {
              bv_len = 3, bv_val = 0x0}...}}
        mci = 0x1f72680
        mcd = 0x1deae00
        wwctx = {txn = 0x0, mcd = 0x1ed06c0, key = 31360064, data = {mv_size =
0, mv_data = 0x0}, flag = 17}
        cb = {sc_next = 0x0, sc_response = 0, sc_cleanup = 0, sc_writewait = 0,
sc_private = 0x0}
        opinfo = {moi_oe = {oe_next = {sle_next = 0x0}, oe_key = 0x2246000},
moi_txn = 0x3e85a00, moi_ref = 1, moi_flag = 1 '\001'}
        moi = 0x7f9907e86540
        ltid = 0x3e85a00
#4  0x00000000004d2932 in overlay_op_walk (op=0x2207400, rs=0x7f9907e87a20,
which=op_search, oi=0x1f6e780, on=0x0) at backover.c:677
        func = 0x7fad09f33ed8
        rc = 32768
#5  0x00000000004d2b84 in over_op_func (op=0x2207400, rs=0x7f9907e87a20,
which=op_search) at backover.c:730
        oi = 0x1f6e780
        on = 0x201d680
        be = 0x2020000
        db = {bd_info = 0x7fad09f33e80, bd_self = 0x2020000, be_ctrls =
"\000\001\001\001\000\001\000\000\001\000\000\001\001\000\001", '\000' <repeats
17 times>, "\001", be_flags = 2312,
          be_restrictops = 0, be_requires = 0, be_ssf_set = {sss_ssf = 0,
sss_transport = 0, sss_tls = 0, sss_sasl = 0, sss_update_ssf = 0,
sss_update_transport = 0, sss_update_tls = 0,
            sss_update_sasl = 0, sss_simple_bind = 0}, be_suffix = 0x1f96c40,
be_nsuffix = 0x1f96c80, be_schemadn = {bv_len = 0, bv_val = 0x0}, be_schemandn =
{bv_len = 0, bv_val = 0x0},
          be_rootdn = {bv_len = 9, bv_val = 0x1f85950 "cn=config"}, be_rootndn =
{bv_len = 9, bv_val = 0x1f85970 "%3=config"}, be_rootpw = {bv_len = 0, bv_val =
0x0},
          be_max_deref_depth = 15, be_def_limit = {lms_t_soft = -1, lms_t_hard =
0, lms_s_soft = -1, lms_s_hard = 0, lms_s_unchecked = -1, lms_s_pr = 0,
lms_s_pr_hide = 0,
            lms_s_pr_total = 0}, be_limits = 0x0, be_acl = 0x1f9d7a0,
be_dfltaccess = ACL_READ, be_extra_anlist = 0x0, be_update_ndn = {bv_len = 0,
bv_val = 0x0}, be_update_refs = 0x0,
          be_pending_csn_list = 0x3957370, be_pcl_mutex = {__data = {__lock = 0,
__count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list =
{__prev = 0x0, __next = 0x0}},
            __size = '\000' <repeats 39 times>, __align = 0}, be_syncinfo = 0x0,
be_pb = 0x0, be_cf_ocs = 0x7fad09f33be0, be_private = 0x2246000, be_next =
{stqe_next = 0x0}}
        cb = {sc_next = 0x2C2C sc_response = 0x4d16e7 <over_back_response>,
sc_cleanup = 0, sc_writewait = 0, sc_private = 0x1f6e780}
        sc = 0x0
        rc = 32768
        __PRETTY_FUNCTION__ = "over_op_func"
#6  0x00000000004d2c93 in over_op_search (op=0x2207400, rs=0x7f9907e87a20) at
backover.c:757
No locals.
#7  0x000000000043f88d in fe_op_search (op=0x2207400, rs=0x7f9907e87a20) at
search.c:402
        bd = 0x75ee00
#8  0x000000000043f0c0 in do_search (op=0x2207400, rs=0x7f9907e87a20) at
search.c:247
        base = {bv_len = 6, bv_val = 0x231f997 "dc=spr"}
        siz = 0
        off = 0
        i = 0
#9  0x000000000043b8a7 in connection_operation (ctx=0x7f9907e87b60,
arg_v=0x2207400) at connection.c:1132
        rc = 80
        cancel = 425556061
        op = 0x2207400
        rs = {sr_type = REP_RESULT, sr_tag = 0, sr_msgid = 0, sr_err = 0,
sr_matched = 0x0, sr_text = 0x0, sr_ref = 0x0, sr_ctrls = 0x0, sr_un =
{sru_search = {r_entry = 0x0,
              r_attr_flags = 0, r_operational_attrs = 0x0, r_attrs = 0x0,
r_nentries = 0, r_v2ref = 0x0}, sru_sasl = {r_sasldata = 0x0}, sru_extended =
{r_rspoid = 0x0, r_rspdata = 0x0}},
          sr_flags = 0}
        tag = 99
        opidx = SLAP_OP_SEARCH
        conn = 0x233fb80
        memctx = 0x1de8440
        metxtx_null = 0x0
        memsiz = 1048576
        __PRETTY_FUNCTION__ = "connection_operation"
#10 0x000000000043be39 in connection_read_thread (ctx=0x7f9907e87b60, argv=0xa)
at connection.c:1268
        rc = 0
        cri = {op = 0x2207400, func = 0, arg = 0x0, ctx = 0x7f9907e87b60, nullop
= 0}
        s = 10
#11 0x00007fad0f35f8ff in ldap_int_thread_pool_wrapper (xpool=0x1c26000) at
tpool.c:696
        pool = 0x1c26000
        task = 0x395c500
        work_list = 0x1c26098
        ctx = {ltu_id = 140295239403264, ltu_key = {{ltk_key = 0x43b40d,
ltk_data = 0x1c0b700, ltk_free = 0x43b25f <conn_counter_destroy>}, {ltk_key =
0x4b1433, ltk_data = 0x1de8440,
              ltk_free = 0x4b1258 <slap_sl_mem_destroy>D7D, {ltk_key = 0x456df1,
ltk_data = 0x0, ltk_free = 0x456d44 <slap_op_q_destroy>}, {ltk_key = 0x1c09500,
ltk_data = 0x3e85a00,
              ltk_free = 0x7fad09d103dc <mdb_reader_free>}, {ltk_key =
0x7fad09d0581e, ltk_data = 0x418e000, ltk_free = 0x7fad09d057fb
<search_stack_free>}, {ltk_key = 0x7fad09d0236f,
              ltk_data = 0x0, ltk_free = 0x7fad09d02327 <scope_chunk_free>},
{ltk_key = 0x0, ltk_data = 0x3e60000, ltk_free = 0}, {ltk_key = 0x0, ltk_data =
0x0,
              ltk_free = 0} <repeats 25 times>}}
        kctx = 0x0
        i = 32
        keyslot = 494
        hash = 2690702830
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#12 0x00007fad0d726e9a in start_thread (arg=0x7f9907e88700) at
pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f9907e88700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7524299685094559341,
140295256177840, 140295239403968, 4, 7, 7540818657622552979,
7552056816962302355}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#13 0x00007fad0d4538bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#14 0x0000000000000000 in ?? ()
No symbol table info available.
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