#0  zend_gc_addref (p=0xffffffff00000006) at ./Zend/zend_types.h:1025
No locals.
#1  zval_addref_p (pz=0x7f31f841d310) at ./Zend/zend_types.h:1025
No locals.
#2  ZEND_SEND_VAR_EX_SPEC_CV_QUICK_HANDLER () at ./Zend/zend_vm_execute.h:37385
        _z3 = <optimized out>
        _z3 = 0x7f31f841d310
        varptr = 0x7f31f841d390
        arg = <optimized out>
        arg_num = <optimized out>
        varptr = <optimized out>
        arg = <optimized out>
        arg_num = <optimized out>
        _z3 = <optimized out>
        _z1 = <optimized out>
        _z2 = <optimized out>
        _gc = <optimized out>
        _t = <optimized out>
        ref = <optimized out>
        _z1 = <optimized out>
        _z2 = <optimized out>
        _gc = <optimized out>
        _t = <optimized out>
        _z1 = <optimized out>
        _z2 = <optimized out>
        _gc = <optimized out>
        _t = <optimized out>
#3  execute_ex (ex=0x42) at ./Zend/zend_vm_execute.h:59314
        orig_opline = 0x7f31f8412870
        orig_execute_data = <optimized out>
#4  0x00007f31f9070ed7 in execute_ex (ex=0x42) at ./Zend/zend_vm_execute.h:55510
        orig_opline = 0x7f31f8412870
        orig_execute_data = <optimized out>
#5  0x00007f31fa652f03 in xdebug_execute_ex (execute_data=0x7f31f841d2c0) at ./build-7.3/xdebug.c:1868
        op_array = 0x7f31ec4cd3d8
        edata = <optimized out>
        fse = 0x55e38b418c90
        xfse = <optimized out>
        do_return = 0
        function_nr = 2027
        le = <optimized out>
        code_coverage_func_info = {class = 0x55e38b418c90 "\240\331A\213\343U", function = 0xaef8bc95effe5900 <error: Cannot access memory at address 0xaef8bc95effe5900>, 
          type = -129903936, internal = 32561}
        code_coverage_function_name = 0x0
        code_coverage_file_name = 0x7f31f841d2c0 "\330\323L\354\061\177"
        code_coverage_init = 0
#6  0x00007f31f8e4b379 in ZEND_DO_FCALL_SPEC_RETVAL_UNUSED_HANDLER () at ./Zend/zend_vm_execute.h:961
        call = 0x7f31f841d2c0
        fbc = 0x7f31f8412870
        object = <optimized out>
        ret = 0x0
        retval = <optimized out>
        retval = <optimized out>
#7  0x00007f31f9070ed7 in execute_ex (ex=0x42) at ./Zend/zend_vm_execute.h:55510
        orig_opline = 0x7f31f847f0e0
        orig_execute_data = <optimized out>
#8  0x00007f31fa652f03 in xdebug_execute_ex (execute_data=0x7f31f841d0a0) at ./build-7.3/xdebug.c:1868
        op_array = 0x7f31ec481908
        edata = <optimized out>
        fse = 0x55e38b2749c0
        xfse = <optimized out>
        do_return = 0
        function_nr = 3
        le = <optimized out>
        code_coverage_func_info = {class = 0x55e38b2749c0 "", function = 0x7f31fa6537d2 <xdebug_execute_internal+594> "H\203k\b\001H\203\304\030[]A\\A]A^A_\303f.\017\037\204", type = -129904000, internal = 32561}
        code_coverage_function_name = 0x0
        code_coverage_file_name = 0x7f31f841d0a0 "\b\031H\354\061\177"
        code_coverage_init = 0
#9  0x00007f31f906aadc in ZEND_INCLUDE_OR_EVAL_SPEC_TMPVAR_HANDLER () at ./Zend/zend_vm_execute.h:12738
        return_value = 0x0
        call = 0x7f31f841d0a0
        new_op_array = 0x7f31f847f0e0
        free_op1 = <optimized out>
        inc_filename = <optimized out>
#10 0x00007f31f9070ed7 in execute_ex (ex=0x42) at ./Zend/zend_vm_execute.h:55510
        orig_opline = 0x7f31f847f000
        orig_execute_data = <optimized out>
#11 0x00007f31fa652f03 in xdebug_execute_ex (execute_data=0x7f31f841d030) at ./build-7.3/xdebug.c:1868
        op_array = 0x7f31ec47a8c0
        edata = <optimized out>
        fse = 0x55e38b1931e0
        xfse = <optimized out>
        do_return = 0
        function_nr = 0
        le = <optimized out>
        code_coverage_func_info = {class = 0x7f31f8400040 "", function = 0x1 <error: Cannot access memory at address 0x1>, type = 0, internal = 0}
        code_coverage_function_name = 0x0
        code_coverage_file_name = 0x7f31f841d030 "\300\250G\354\061\177"
        code_coverage_init = 0
#12 0x00007f31f9077407 in zend_execute (op_array=op_array@entry=0x7f31f847f000, return_value=return_value@entry=0x0) at ./Zend/zend_vm_execute.h:60834
        execute_data = 0x7f31f841d030
#13 0x00007f31f8ff09b3 in zend_execute_scripts (type=type@entry=8, retval=retval@entry=0x0, file_count=file_count@entry=3) at ./Zend/zend.c:1568
        files = {{gp_offset = 40, fp_offset = 2002988901, overflow_arg_area = 0x7ffeaebda350, reg_save_area = 0x7ffeaebda2e0}}
        i = 1
        file_handle = 0x7ffeaebdc6a0
        op_array = 0x7f31f847f000
#14 0x00007f31f8f91858 in php_execute_script (primary_file=primary_file@entry=0x7ffeaebdc6a0) at ./main/main.c:2630
        realfile = "$\257;\213\343U\000\000\v\000\000\000\000\000\000\000\200#\274\371\061\177\000\000\000Y\376\370\256 \212;\213\343U\000\000@\257;\213\343U\000\000\000\277\275\256\376\177\000\000\001\000\000\000\000\000\000\000\020\277\275\256\376\177\000\000\264\266\275\256\376\177\000\000\240\346\272\353\061\177\000\000!,\272\353\061\177\000\000\000\200@\370\061\177\000\000 \220@\370\061\177\000\000\220Q@\370\061\177\000\000@E@\370\061\177\000\000\270\266\275\256\376\177\000\000\300\266\275\256\376\177\000\000\254\266\275\256\376\177\000\000\034ź\353\061\177", '\000' <repeats 22 times>, "\377\377\377\377", '\000' <repeats 17 times>, "p@"...
        __orig_bailout = <optimized out>
        __bailout = {{__jmpbuf = {140731830093584, -3839634623574177733, 139852574568608, 0, 5000000, 140731830094196, -3839634620256483269, -3807709722027751365}, __mask_was_saved = 0, __saved_mask = {__val = {139852619977568, 139852619977568, 139852619977568, 139852619977568, 139852619977588, 139852619981663, 139852619977568, 139852619981663, 0, 0, 0, 0, 0, 48, 0, 7}}}}
        prepend_file_p = 0x0
        append_file_p = 0x0
        prepend_file = {handle = {fd = 0, fp = 0x0, stream = {handle = 0x0, isatty = 0, mmap = {len = 0, pos = 0, map = 0x0, buf = 0x0, old_handle = 0x0, old_closer = 0x0}, reader = 0x0, fsizer = 0x0, closer = 0x0}}, filename = 0x0, opened_path = 0x0, type = ZEND_HANDLE_FILENAME, free_filename = 0 '\000'}
        append_file = {handle = {fd = 0, fp = 0x0, stream = {handle = 0x0, isatty = 0, mmap = {len = 0, pos = 0, map = 0x0, buf = 0x0, old_handle = 0x0, old_closer = 0x0}, reader = 0x0, fsizer = 0x0, closer = 0x0}}, filename = 0x0, opened_path = 0x0, type = ZEND_HANDLE_FILENAME, free_filename = 0 '\000'}
        old_cwd = 0x7ffeaebda350 "/"
        retval = 0
#15 0x00007f31f907960a in php_handler (r=<optimized out>) at ./sapi/apache2handler/sapi_apache2.c:699
        zfd = {handle = {fd = -197081584, fp = 0x7f31f440c610, stream = {handle = 0x7f31f440c610, isatty = 288, mmap = {len = 139852528017248, pos = 139852528017000, map = 0x7f31f6e666b0, buf = 0xaef8bc95effe5900 <error: Cannot access memory at address 0xaef8bc95effe5900>, old_handle = 0x7f31f440e248, old_closer = 0x7f31f440cad8}, reader = 0x7f31f440d5a8, fsizer = 0x3, closer = 0x0}}, filename = 0x7f31f440c610 "/home/cweiske/dev/tools/roundcubemail/public_html/index.php", opened_path = 0x0, type = ZEND_HANDLE_FILENAME, free_filename = 0 '\000'}
        __orig_bailout = 0x0
        __bailout = {{__jmpbuf = {139852574568608, 3840371863057598523, 139852574568608, 0, 5000000, 140731830094196, -3839634623576274885, -3807705714632947653}, __mask_was_saved = 0, __saved_mask = {__val = {12608034508986276096, 0, 0, 139852528005280, 139852635738144, 140731830093732, 139852635749192, 139852635402322, 139852528005280, 8, 139852528005280, 139852572134400, 139852631596972, 139852572134400, 139852572124960, 8}}}}
        ctx = 0x7f31f440eaf0
        conf = <optimized out>
        brigade = 0x7f31f4409370
        bucket = <optimized out>
        rv = <optimized out>
        parent_req = 0x0
#16 0x000055e38b0719d0 in ap_run_handler (r=r@entry=0x7f31f70730a0) at config.c:170
        pHook = <optimized out>
        n = 3
        rv = -1
#17 0x000055e38b071f66 in ap_invoke_handler (r=r@entry=0x7f31f70730a0) at config.c:444
        handler = <optimized out>
        p = <optimized out>
        result = 0
        old_handler = 0x7f31f440cac0 "application/x-httpd-php"
        ignore = <optimized out>
#18 0x000055e38b08a503 in ap_process_async_request (r=0x7f31f70730a0) at http_request.c:453
        c = <optimized out>
        access_status = 0
#19 0x000055e38b08a66e in ap_process_request (r=r@entry=0x7f31f70730a0) at http_request.c:488
        bb = 0x0
        b = <optimized out>
        c = 0x7f31fa61d290
        rv = <optimized out>
#20 0x000055e38b0867bd in ap_process_http_sync_connection (c=0x7f31fa61d290) at http_core.c:210
        keep_alive_timeout = 5000000
        r = 0x7f31f70730a0
        cs = <optimized out>
        csd = 0x0
        mpm_state = 0
        r = <optimized out>
        cs = <optimized out>
        csd = <optimized out>
        mpm_state = <optimized out>
        keep_alive_timeout = <optimized out>
#21 ap_process_http_connection (c=0x7f31fa61d290) at http_core.c:251
No locals.
#22 0x000055e38b07b810 in ap_run_process_connection (c=c@entry=0x7f31fa61d290) at connection.c:42
        pHook = <optimized out>
        n = 1
        rv = -1
#23 0x000055e38b07bd70 in ap_process_connection (c=c@entry=0x7f31fa61d290, csd=<optimized out>) at connection.c:219
        rc = <optimized out>
#24 0x00007f31faa403dc in child_main (child_num_arg=child_num_arg@entry=1, child_bucket=child_bucket@entry=0) at prefork.c:615
        current_conn = 0x7f31fa61d290
        csd = 0x7f31fa61d0a0
        thd = 0x7f31fa6270a0
        osthd = 139852635899008
        ptrans = 0x7f31fa61d028
        allocator = 0x55e38b3b9280
        status = <optimized out>
        i = <optimized out>
        lr = <optimized out>
        pollset = 0x7f31fa627158
        sbh = 0x7f31fa627150
        bucket_alloc = 0x7f31f98df028
        last_poll_idx = 0
        lockfile = <optimized out>
#25 0x00007f31faa406e4 in make_child (s=0x7f31faade4a0, slot=slot@entry=1, bucket=0) at prefork.c:716
        pid = 0
#26 0x00007f31faa4074f in startup_children (number_to_start=4) at prefork.c:735
        i = 1
#27 0x00007f31faa41313 in prefork_run (_pconf=<optimized out>, plog=0x7f31faadb028, s=0x7f31faade4a0) at prefork.c:901
        index = <optimized out>
        remaining_children_to_start = <optimized out>
        i = <optimized out>
#28 0x000055e38b05460e in ap_run_mpm (pconf=0x7f31fae59028, plog=0x7f31faadb028, s=0x7f31faade4a0) at mpm_common.c:94
        pHook = <optimized out>
        n = 0
        rv = -1
#29 0x000055e38b04cf47 in main (argc=<optimized out>, argv=<optimized out>) at main.c:819
        c = 0 '\000'
        showcompile = 0
        showdirectives = 0
        confname = 0x55e38b0952a5 "apache2.conf"
        def_server_root = 0x55e38b095298 "/etc/apache2"
        temp_error_log = <optimized out>
        error = <optimized out>
        process = 0x7f31fae5b118
        pconf = 0x7f31fae59028
        plog = 0x7f31faadb028
        ptemp = 0x7f31faadf028
        pcommands = 0x7f31faae5028
        opt = 0x7f31faae5118
        rv = <optimized out>
        mod = <optimized out>
        opt_arg = 0x7f31fae5b028 "(\360\345\372\061\177"
        signal_server = <optimized out>
        rc = <optimized out>