The PoC is generated by my DBMS fuzzer. It can also be reproduced in the beta docker image.
```SQL
CREATE TABLE v0 ( v1 FLOAT ) ; 
  INSERT INTO v0 VALUES ( 30 ) ; 
  INSERT INTO v0 VALUES ( -1 ) ; 
  INSERT INTO v0 VALUES ( ( SELECT v1 FROM v0 WHERE v1 BETWEEN 'x' AND 'x' OR EXISTS ( SELECT v1 FROM v0 WHERE v1 IN ( SELECT v1 , v1 FROM v0 WHERE v1 > 29 GROUP BY v1 , 34500520.000000 , v1 ) ) ) ) ; 
```

backtrace:
```c
#0 0x87984c (qst_vec_get_int64+0xcc)
#1 0x81e454 (select_node_input_subq_vec+0xa74)
#2 0x7af05e (qn_input+0x3ce)
#3 0x7af78f (qn_ts_send_output+0x23f)
#4 0x7b509e (table_source_input+0x16ee)
#5 0x7af05e (qn_input+0x3ce)
#6 0x7af4c6 (qn_send_output+0x236)
#7 0x821c85 (subq_node_vec_input+0x4a5)
#8 0x7af05e (qn_input+0x3ce)
#9 0x7af4c6 (qn_send_output+0x236)
#10 0x8214bd (set_ctr_vec_input+0x99d)
#11 0x7af05e (qn_input+0x3ce)
#12 0x751d38 (subq_next+0x258)
#13 0x81fd2d (ins_vec_exists+0x7d)
#14 0x75537b (code_vec_run_v+0x20cb)
#15 0x7b86bb (end_node_input+0x13b)
#16 0x7af05e (qn_input+0x3ce)
#17 0x7af78f (qn_ts_send_output+0x23f)
#18 0x7b509e (table_source_input+0x16ee)
#19 0x7af05e (qn_input+0x3ce)
#20 0x7af4c6 (qn_send_output+0x236)
#21 0x8214bd (set_ctr_vec_input+0x99d)
#22 0x7af05e (qn_input+0x3ce)
#23 0x751d38 (subq_next+0x258)
#24 0x8201a2 (ins_vec_subq+0x2a2)
#25 0x753c6b (code_vec_run_v+0x9bb)
#26 0x7b8737 (end_node_input+0x1b7)
#27 0x7af05e (qn_input+0x3ce)
#28 0x7c1be9 (qr_dml_array_exec+0x839)
#29 0x7ce602 (sf_sql_execute+0x15d2)
#30 0x7cecde (sf_sql_execute_w+0x17e)
#31 0x7d799d (sf_sql_execute_wrapper+0x3d)
#32 0xe214bc (future_wrapper+0x3fc)
#33 0xe28dbe (_thread_boot+0x11e)
#34 0x7f7f45332609 (start_thread+0xd9)
#35 0x7f7f45102133 (clone+0x43)
```

ways to reproduce (write poc to the file /tmp/test.sql first):
```bash
# remove the old one
docker container rm virtdb_test -f
# start virtuoso through docker
docker run --name virtdb_test -itd --env DBA_PASSWORD=dba  pkleef/virtuoso-opensource-7
# wait the server starting
sleep 10
# check whether the simple query works
echo "SELECT 1;" | docker exec -i virtdb_test isql 1111 dba
# run the poc
cat /tmp/test.sql | docker exec -i virtdb_test isql 1111 dba
```
Fuzzer: Virtuoso 7.2.11 crashed at `qst_vec_get_int64`
This is a GitHub Issue
repo:virtuoso-opensource
owner:openlink
Title : Fuzzer: Virtuoso 7.2.11 crashed at `qst_vec_get_int64`
Issue date:

--- start body ---
The PoC is generated by my DBMS fuzzer. It can also be reproduced in the beta docker image.
```SQL
CREATE TABLE v0 ( v1 FLOAT ) ; 
  INSERT INTO v0 VALUES ( 30 ) ; 
  INSERT INTO v0 VALUES ( -1 ) ; 
  INSERT INTO v0 VALUES ( ( SELECT v1 FROM v0 WHERE v1 BETWEEN 'x' AND 'x' OR EXISTS ( SELECT v1 FROM v0 WHERE v1 IN ( SELECT v1 , v1 FROM v0 WHERE v1 > 29 GROUP BY v1 , 34500520.000000 , v1 ) ) ) ) ; 
```

backtrace:
```c
#0 0x87984c (qst_vec_get_int64+0xcc)
#1 0x81e454 (select_node_input_subq_vec+0xa74)
#2 0x7af05e (qn_input+0x3ce)
#3 0x7af78f (qn_ts_send_output+0x23f)
#4 0x7b509e (table_source_input+0x16ee)
#5 0x7af05e (qn_input+0x3ce)
#6 0x7af4c6 (qn_send_output+0x236)
#7 0x821c85 (subq_node_vec_input+0x4a5)
#8 0x7af05e (qn_input+0x3ce)
#9 0x7af4c6 (qn_send_output+0x236)
#10 0x8214bd (set_ctr_vec_input+0x99d)
#11 0x7af05e (qn_input+0x3ce)
#12 0x751d38 (subq_next+0x258)
#13 0x81fd2d (ins_vec_exists+0x7d)
#14 0x75537b (code_vec_run_v+0x20cb)
#15 0x7b86bb (end_node_input+0x13b)
#16 0x7af05e (qn_input+0x3ce)
#17 0x7af78f (qn_ts_send_output+0x23f)
#18 0x7b509e (table_source_input+0x16ee)
#19 0x7af05e (qn_input+0x3ce)
#20 0x7af4c6 (qn_send_output+0x236)
#21 0x8214bd (set_ctr_vec_input+0x99d)
#22 0x7af05e (qn_input+0x3ce)
#23 0x751d38 (subq_next+0x258)
#24 0x8201a2 (ins_vec_subq+0x2a2)
#25 0x753c6b (code_vec_run_v+0x9bb)
#26 0x7b8737 (end_node_input+0x1b7)
#27 0x7af05e (qn_input+0x3ce)
#28 0x7c1be9 (qr_dml_array_exec+0x839)
#29 0x7ce602 (sf_sql_execute+0x15d2)
#30 0x7cecde (sf_sql_execute_w+0x17e)
#31 0x7d799d (sf_sql_execute_wrapper+0x3d)
#32 0xe214bc (future_wrapper+0x3fc)
#33 0xe28dbe (_thread_boot+0x11e)
#34 0x7f7f45332609 (start_thread+0xd9)
#35 0x7f7f45102133 (clone+0x43)
```

ways to reproduce (write poc to the file /tmp/test.sql first):
```bash
# remove the old one
docker container rm virtdb_test -f
# start virtuoso through docker
docker run --name virtdb_test -itd --env DBA_PASSWORD=dba  pkleef/virtuoso-opensource-7
# wait the server starting
sleep 10
# check whether the simple query works
echo "SELECT 1;" | docker exec -i virtdb_test isql 1111 dba
# run the poc
cat /tmp/test.sql | docker exec -i virtdb_test isql 1111 dba
```
--- end body ---
