Program received signal SIGSEGV, Segmentation fault.
0x00007ffff396e553 in resolve_oids_parse_tree_need (ldb=0x55555556b5b0, schema=0x555556757370, tree=0x2) at ../../source4/dsdb/samdb/ldb_modules/resolve_oids.c:99
99              switch (tree->operation) {
(gdb) bt full
#0  0x00007ffff396e553 in resolve_oids_parse_tree_need (ldb=0x55555556b5b0, schema=0x555556757370, tree=0x2) at ../../source4/dsdb/samdb/ldb_modules/resolve_oids.c:99
        i = 0
        a = 0x0
        attr = 0x55555631c690 ""
        p1 = 0x7ffff769ac90 <dsdb_get_schema+599> "H\203}\240"
        p2 = 0x55555556b5b0
        valp = 0x0
        ret = 0
#1  0x00007ffff396e5b1 in resolve_oids_parse_tree_need (ldb=0x55555556b5b0, schema=0x555556757370, tree=0x555555a2a0e0) at ../../source4/dsdb/samdb/ldb_modules/resolve_oids.c:103
        i = 1
        a = 0x0
        attr = 0x7ffff3815a69 <dsdb_schema_refresh> "UH\211\345SH\203\354hH\211}\250H\211u\240H\211U\230\211ȈE\224dH\213\004%("
        p1 = 0x5555556109d0 " _`UUU"
        p2 = 0x55555631c690
        valp = 0x0
        ret = 5
#2  0x00007ffff396f025 in resolve_oids_search (module=0x5555556109d0, req=0x555555d0fa20) at ../../source4/dsdb/samdb/ldb_modules/resolve_oids.c:468
        ldb = 0x55555556b5b0
        schema = 0x555556757370
        tree = 0x55555631c690
        down_req = 0x5ffffd780
        ac = 0x55555560ddb0
        ret = 21845
        needed = false
        attrs1 = 0x55555556b5b0
        attrs2 = 0x7fffffffd770
        i = 1432411568
#3  0x00007ffff7f8f202 in ldb_next_request (module=<optimized out>, request=0x555555d0fa20) at ../../common/ldb_modules.c:537
        ret = <optimized out>
#4  0x00007ffff7fa72cb in lock_search (lock_module=0x7fffffffd7d0, req=0x555556078600) at ../../common/ldb.c:1122
        next_module = <optimized out>
        down_req = 0x555555d0fa20
        lock_context = 0x55555631c690
        ldb = 0x55555556b5b0
        ret = 0
#5  0x00007ffff7fa6569 in ldb_request (ldb=0x55555556b5b0, req=0x555556078600) at ../../common/ldb.c:1172
        lock_module_ops = {name = 0x7ffff7faea89 "lock_searches", init_context = 0x0, search = 0x7ffff7fa7140 <lock_search>, add = 0x0, modify = 0x0, del = 0x0, rename = 0x0, request = 0x0, extended = 0x0, start_transaction = 0x0, prepare_commit = 0x0, end_transaction = 0x0, del_transaction = 0x0, sequence_number = 0x0, read_lock = 0x0, read_unlock = 0x0, private_data = 0x0}
        lock_module = {prev = 0x0, next = 0x555555605f20, ldb = 0x55555556b5b0, private_data = 0x0, ops = 0x7ffff7fb7300 <lock_module_ops>}
        next_module = 0x7fffffffd7d0
        ret = <optimized out>
#6  0x00007ffff39a4909 in paged_search_by_dn_guid (module=0x555555610350, ac=0x555555bdfea0, result=0x7fffffffd918, guid=0x5555555fc450, attrs=0x55555556b8f0, expr=0x555555a2a0e0) at ../../source4/dsdb/samdb/ldb_modules/paged_results.c:225
        dn = 0x555556415470
        req = 0x555556078600
        res = 0x5555567f2740
        ret = 0
        guid_str = {buf = "572ba989-c4ea-4952-b962-1f0145840f55\000U"}
        controls = 0x5555569e69f0
        ldb = 0x55555556b5b0
#7  0x00007ffff39a4a74 in paged_results (ac=0x555555bdfea0, ares=0x0) at ../../source4/dsdb/samdb/ldb_modules/paged_results.c:269
        guid = 0x5555555fc450
        result = 0x0
        response = 0x0
        paged = 0x5555567f2ad0
        i = 32767
        num_ctrls = 1432421200
        ret = 21845
#8  0x00007ffff39a5f11 in paged_search (module=0x555555610350, req=0x555555922d30) at ../../source4/dsdb/samdb/ldb_modules/paged_results.c:805
        current = 0x5555567886f0
        expr_str = 0x5555567f26c0 "(|(foo=bar)(anr=a*))"
        bool_ret = true
        ldb = 0x55555556b5b0
        control = 0x555555d33dc0
        vlv_control = 0x0
        private_data = 0x55555561cb10
        paged_ctrl = 0x555555b766d0
        search_req = 0x5555564d86f0
        ac = 0x555555bdfea0
        ret = 0
#9  0x00007ffff7f8f202 in ldb_next_request (module=<optimized out>, request=0x555555922d30) at ../../common/ldb_modules.c:537
        ret = <optimized out>
#10 0x00007ffff3b400c0 in dirsync_ldb_search (module=0x555555610470, req=0x555555922d30) at ../../source4/dsdb/samdb/ldb_modules/dirsync.c:1024
        control = 0x0
        acl_res = 0x1f1c63c03896b00
        dirsync_ctl = 0x0
        extended = 0x0
        down_req = 0x55555560a1e0
        dsc = 0x7ffff399c9e0
        ldb = 0x555555eea480
        new_tree = 0x5555560e91f0
        flags = 0
        ndr_err = 21845
        blob = {data = 0x555555bdfe40 "", length = 140737353374519}
        attrs = 0x5555560785a0
        ret = 1432396256
        __FUNCTION__ = "dirsync_ldb_search"
#11 0x00007ffff7f8f202 in ldb_next_request (module=<optimized out>, request=0x555555922d30) at ../../common/ldb_modules.c:537
        ret = <optimized out>
#12 0x00007ffff3aeb23e in unlazy_op (module=0x555555610580, req=0x555555922d30) at ../../source4/dsdb/samdb/ldb_modules/lazy_commit.c:40
        ret = 32767
        new_req = 0x1f1c63c03896b00
        control = 0x0
#13 0x00007ffff7f8f202 in ldb_next_request (module=<optimized out>, request=0x555555922d30) at ../../common/ldb_modules.c:537
        ret = <optimized out>
#14 0x00007ffff3b2776b in dsdb_notification_search (module=0x5555556107a0, req=0x555555922d30) at ../../source4/dsdb/samdb/ldb_modules/dsdb_notification.c:225
        control = 0x0
#15 0x00007ffff7f8f202 in ldb_next_request (module=<optimized out>, request=0x555555922d30) at ../../common/ldb_modules.c:537
        ret = <optimized out>
#16 0x00007ffff386bc54 in rootdse_search (module=0x5555556108c0, req=0x555555922d30) at ../../source4/dsdb/samdb/ldb_modules/rootdse.c:851
        ldb = 0x55555556b5b0
        ac = 0x6206
        down_req = 0x7fffffffdd60
        ret = 0
#17 0x00007ffff7f8f202 in ldb_next_request (module=<optimized out>, request=0x555555922d30) at ../../common/ldb_modules.c:537
        ret = <optimized out>
#18 0x00007ffff396f104 in resolve_oids_search (module=0x5555556109d0, req=0x555555922d30) at ../../source4/dsdb/samdb/ldb_modules/resolve_oids.c:497
        ldb = 0x55555556b5b0
        schema = 0x555556757370
        tree = 0x555556757370
        down_req = 0x0
        ac = 0x5555567f26c0
        ret = 5
        needed = false
        attrs1 = 0x55555556b8f0
        attrs2 = 0x7ffff3815a69 <dsdb_schema_refresh>
        i = 1
#19 0x00007ffff7f8f202 in ldb_next_request (module=<optimized out>, request=0x555555922d30) at ../../common/ldb_modules.c:537
        ret = <optimized out>
#20 0x00007ffff7fa72cb in lock_search (lock_module=0x7fffffffde80, req=0x555555edff60) at ../../common/ldb.c:1122
        next_module = <optimized out>
        down_req = 0x555555922d30
        lock_context = 0x555555e34aa0
        ldb = 0x55555556b5b0
        ret = 0
#21 0x00007ffff7fa6569 in ldb_request (ldb=0x55555556b5b0, req=0x555555edff60) at ../../common/ldb.c:1172
        lock_module_ops = {name = 0x7ffff7faea89 "lock_searches", init_context = 0x0, search = 0x7ffff7fa7140 <lock_search>, add = 0x0, modify = 0x0, del = 0x0, rename = 0x0, request = 0x0, extended = 0x0, start_transaction = 0x0, prepare_commit = 0x0, end_transaction = 0x0, del_transaction = 0x0, sequence_number = 0x0, read_lock = 0x0, read_unlock = 0x0, private_data = 0x0}
        lock_module = {prev = 0x0, next = 0x555555605f20, ldb = 0x55555556b5b0, private_data = 0x0, ops = 0x7ffff7fb7300 <lock_module_ops>}
        next_module = 0x7fffffffde80
        ret = <optimized out>
#22 0x00005555555556b2 in ?? ()
No symbol table info available.
#23 0x00005555555553b7 in ?? ()
No symbol table info available.
#24 0x00007ffff7d8409b in __libc_start_main (main=0x555555555220, argc=10, argv=0x7fffffffe488, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe478) at ../csu/libc-start.c:308
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7778522981177755865, 93824992236560, 140737488348288, 0, 0, -4514726844491106521, -4514744733974005977}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fffffffe4e0, 0x7ffff7ffe190}, data = {prev = 0x0, cleanup = 0x0, canceltype = -6944}}}
        not_first_call = <optimized out>
#25 0x000055555555543a in ?? ()
No symbol table info available.

(gdb) list
94              const char *p1;
95              const void *p2;
96              const struct ldb_val *valp = NULL;
97              int ret;
98
99              switch (tree->operation) {
100             case LDB_OP_AND:
101             case LDB_OP_OR:
102                     for (i=0;i<tree->u.list.num_elements;i++) {
103                             ret = resolve_oids_parse_tree_need(ldb, schema,
(gdb) 
104                                                     tree->u.list.elements[i]);
105                             if (ret != LDB_ERR_COMPARE_FALSE) {
106                                     return ret;
107                             }
108                     }
109                     return LDB_ERR_COMPARE_FALSE;
110             case LDB_OP_NOT:
111                     return resolve_oids_parse_tree_need(ldb, schema,
112                                                     tree->u.isnot.child);
113             case LDB_OP_EQUALITY:

## Hier ist tree nicht mehr korrekt:
(gdb) p tree->operation
Cannot access memory at address 0x2
(gdb) p tree
$1 = (const struct ldb_parse_tree *) 0x2

## Ein Frame darüber:
(gdb) up
#1  0x00007ffff396e5b1 in resolve_oids_parse_tree_need (ldb=0x55555556b5b0, schema=0x555556757370, tree=0x555555a2a0e0) at ../../source4/dsdb/samdb/ldb_modules/resolve_oids.c:103
103                             ret = resolve_oids_parse_tree_need(ldb, schema,
(gdb) p tree
$2 = (const struct ldb_parse_tree *) 0x555555a2a0e0
(gdb) p tree->operation 
$3 = LDB_OP_OR
(gdb) p tree->u.list.num_elements
$4 = 2

(gdb) p tree->u.list.elements[0]
$5 = (struct ldb_parse_tree *) 0x555555d64460
(gdb) p tree->u.list.elements[1]
$7 = (struct ldb_parse_tree *) 0x2

(gdb) p tree->u.list.elements[0]->operation
$6 = 1431745968
(gdb) p tree->u.list.elements[1]->operation
Cannot access memory at address 0x2