#0  0x00007f0338b979b1 in pthread_kill () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000007dd38c in handle_fatal_signal (sig=11) at /home/buildbot/buildbot/build/sql/signal_handler.cc:303
        curr_time = 1522238455
        tm = {tm_sec = 55, tm_min = 30, tm_hour = 17, tm_mday = 28, tm_mon = 2, tm_year = 118, tm_wday = 3, tm_yday = 86, tm_isdst = 0, tm_gmtoff = 19800, tm_zone = 0x2b3d370 "IST"}
        thd = 0x7ee6680009a8
        print_invalid_query_pointer = false
#2  <signal handler called>
No symbol table info available.
#3  0x00000000007db79b in sortlength (multi_byte_charset=<optimized out>, s_length=<optimized out>, sortorder=0x7ee668099e28, thd=<optimized out>) at /home/buildbot/buildbot/build/sql/filesort.cc:1971
        length = 15
#4  filesort (thd=0x7ee6680009a8, table=0x7ee668020910, filesort=0x7ee66807c8d8, tracker=0x7ee66807cbe8, join=<optimized out>, first_table_bit=<optimized out>)
    at /home/buildbot/buildbot/build/sql/filesort.cc:196
        error = <optimized out>
        memory_available = 4194304
        maxbuffer = <optimized out>
        buffpek = <optimized out>
        num_rows = <optimized out>
        tempfile = {pos_in_file = 139528056542088, end_of_file = 139528056419064, read_pos = 0x7ee82e03d440 "", read_end = 0xd48ed4 <maria_write+2820> "I\213\205\240\003", buffer = 0x0, 
          request_pos = 0x7f03379f63a5 <_int_malloc+389> "L\213L$\bD\213\024$D\211\360H\307\004$\001", write_buffer = 0x1ff322a <Address 0x1ff322a out of bounds>, 
          append_read_pos = 0x7ee6683d799b "d\004V6dx\373\305h\346~", write_pos = 0x100 <Address 0x100 out of bounds>, write_end = 0x20 <Address 0x20 out of bounds>, append_buffer_lock = {m_mutex = {__data = {
                __lock = 304, __count = 123, __owner = 772002800, __nusers = 32488, __kind = 1748966888, __spins = 32486, __list = {__prev = 0x0, __next = 0x0}}, 
              __size = "0\001\000\000{\000\000\000\360\323\003.\350~\000\000\350\035?h\346~", '\000' <repeats 17 times>, __align = 528280977712}, m_psi = 0x54e73b
     <my_malloc_size_cb_func(long long, my_bool)+43>}, share = 0x7ee82e03d3ef, read_function = 0x0, write_function = 0x7ee6683f1388, type = 1748964232, disk_writes = 139528056544448, 
          file_name = 0x7ee6680147b0 "H\371\001h\346~", dir = 0x7ee82e03d490 "", prefix = "\273", <incomplete sequence \324>, file = 0, next_file_user = 0x7ee600000000, seek_not_done = 1, error = 32486, 
          buffer_length = 139526307577856, read_length = 0, myflags = 139528056408896, alloced_buffer = -88 '\250'}
        buffpek_pointers = {pos_in_file = 0, end_of_file = 16, read_pos = 0x7ee6680009a8 "\360\251", <incomplete sequence \353>, read_end = 0x7ee6680200a8 "\020\t\002h\346~", buffer = 0x0, 
          request_pos = 0xcfeb7e
     <ha_maria::info(unsigned int)+46> "A\366\305\020tPH\213\205\020\377\377\377H\211CpH\213\205\030\377\377\377H\211CxH\213\205\070\377\377\377H\211C@H\213\205H\377\377\377H\211CPH\213\205X\377\377\377H\211C`H\213\205x\377\377\377H\211\203\220", write_buffer = 0x7f02e80c6a48 "\230\204 \350\002\177", append_read_pos = 0x7ee600000006 <Address 0x7ee600000006 out of bounds>, write_pos = 0x7ee668025401 "", 
          write_end = 0x0, append_buffer_lock = {m_mutex = {__data = {__lock = 772003008, __count = 32488, __owner = 1748841208, __nusers = 32486, __kind = 1748841296, __spins = 32486, __list = {
                  __prev = 0x7ee6680382e0, __next = 0x7ee82e03d300}}, __size = "\300\324\003.\350~\000\000\370\062=h\346~\000\000P3=h\346~\000\000\340\202\003h\346~\000\000\000\323\003.\350~\000", 
              __align = 139535669515456}, m_psi = 0x7ee6680382e0}, share = 0x7ee82e03d350, read_function = 0xd411f2 <_ma_write_init_block_record+338>, write_function = 0x7ee82e03d300, type = READ_CACHE, 
          disk_writes = 4294967296, file_name = 0x0, dir = 0x7f02eb1e0018 "", prefix = "\324\023\036", file = 32514, next_file_user = 0x7f02eb1e1f68, seek_not_done = 2964, error = 42, buffer_length = 2844, 
          read_length = 4466765987841, myflags = 0, alloced_buffer = 0 '\000'}
        outfile = <optimized out>
        param = {rec_length = 0, sort_length = 0, ref_length = 0, res_length = 0, max_keys_per_buffer = 0, min_dupl_count = 0, max_rows = 0, examined_rows = 0, sort_form = 0x0, local_sortorder = 0x0, 
          end = 0x0, addon_field = 0x0, addon_buf = {str = 0x0, length = 0}, unique_buff = 0x0, not_killable = false, tmp_buffer = 0x0, compare = 0x0, cmp_context = {key_compare = 0x0, key_compare_arg = 0x0}}
        multi_byte_charset = false
        pq = {m_sort_keys = 0x7ef651bb8070, m_compare_length = 0, m_keymaker = 0x7ee82e03d530, m_sort_param = 0x7ee668000070, m_queue = {root = 0x0, first_cmp_arg = 0x0, elements = 0, max_elements = 0, 
            offset_to_key = 0, offset_to_queue_pos = 0, auto_extent = 0, max_at_top = 0, compare = 0x0}}
        select = 0x0
        max_rows = 18446744073709551615
        s_length = 3
        sort = 0x7ee6680830b0
        tab = <optimized out>
        subselect = 0x0
#5  0x000000000062014f in create_sort_index (thd=0x7ee6680009a8, join=0x7ee6680147b0, tab=0x7ee6680200a8, fsort=0x7ee66807c8d8) at /home/buildbot/buildbot/build/sql/sql_select.cc:21704
        table = 0x7ee668020910
        select = 0x0
        quick_created = false
        file_sort = <optimized out>
#6  0x0000000000749fa3 in exec (join=<optimized out>, this=<optimized out>, this=<optimized out>) at /home/buildbot/buildbot/build/sql/sql_window.cc:2768
Quit