#0  0x00007ff80b71af08 in pthread_kill () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005648cf4f9710 in handle_fatal_signal ()
#2  <signal handler called>
#3  0x00005648cf18ccae in ?? ()
#4  0x00005648cf640333 in ?? ()
#5  0x00005648cf640c7f in ?? ()
#6  0x00005648cf641141 in SEL_IMERGE::and_sel_tree(RANGE_OPT_PARAM*, SEL_TREE*, SEL_IMERGE*) ()
#7  0x00005648cf6412a4 in ?? ()
#8  0x00005648cf64149d in ?? ()
#9  0x00005648cf6418e2 in Item_cond_and::get_mm_tree(RANGE_OPT_PARAM*, Item**) ()
#10 0x00005648cf648266 in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool, bool) ()
#11 0x00005648cf353043 in JOIN::optimize_inner() ()
#12 0x00005648cf353b73 in JOIN::optimize() ()
#13 0x00005648cf353c37 in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) ()
#14 0x00005648cf354657 in handle_select(THD*, LEX*, select_result*, unsigned long) ()
#15 0x00005648cf2e2f11 in ?? ()
#16 0x00005648cf2f11a7 in mysql_execute_command(THD*) ()
#17 0x00005648cf2dda9f in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#18 0x00005648cf2e965f in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#19 0x00005648cf2eba37 in do_command(THD*) ()
#20 0x00005648cf3f1341 in do_handle_one_connection(CONNECT*, bool) ()
#21 0x00005648cf3f17bd in handle_one_connection ()
#22 0x00005648cf74fc66 in ?? ()
#23 0x00007ff80b712609 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007ff80b301293 in clone () from /lib/x86_64-linux-gnu/libc.so.6