The PoC is generated by my DBMS fuzzer. It can also be reproduced in the beta docker image.
```SQL
CREATE TABLE v0 ( v1 DATE PRIMARY KEY ) ;
 INSERT INTO v0 ( v1 , v1 ) VALUES ( 1237962480 , '$[*].datetime() ? (@ >= 10.03.2017 12:35 +1.datetime(dd.mm.yyyy HH24:MI TZH))' ) ;
 UPDATE v0 SET v1 = 2 WHERE 'lax $[0].a' = ( SELECT v1 - ( SELECT v1 - 0 ) ) OR v1 < 9223372036854775807 ;
```

backtrace:
```c
#0 0x87fe1d (qst_vec_set+0x53d)
#1 0xc1fa82 (box_sub+0x892)
#2 0x75498e (code_vec_run_v+0x16de)
#3 0x7af01f (qn_input+0x38f)
#4 0x7af4c6 (qn_send_output+0x236)
#5 0x8214bd (set_ctr_vec_input+0x99d)
#6 0x7af05e (qn_input+0x3ce)
#7 0x751d38 (subq_next+0x258)
#8 0x8201a2 (ins_vec_subq+0x2a2)
#9 0x753c6b (code_vec_run_v+0x9bb)
#10 0x7b86bb (end_node_input+0x13b)
#11 0x7af05e (qn_input+0x3ce)
#12 0x7af78f (qn_ts_send_output+0x23f)
#13 0x7b509e (table_source_input+0x16ee)
#14 0x7af05e (qn_input+0x3ce)
#15 0x7af4c6 (qn_send_output+0x236)
#16 0x8214bd (set_ctr_vec_input+0x99d)
#17 0x7af05e (qn_input+0x3ce)
#18 0x7c1be9 (qr_dml_array_exec+0x839)
#19 0x7ce602 (sf_sql_execute+0x15d2)
#20 0x7cecde (sf_sql_execute_w+0x17e)
#21 0x7d799d (sf_sql_execute_wrapper+0x3d)
#22 0xe214bc (future_wrapper+0x3fc)
#23 0xe28dbe (_thread_boot+0x11e)
#24 0x7f8ce5f33609 (start_thread+0xd9)
#25 0x7f8ce5d03133 (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_set`
This is a GitHub Issue
repo:virtuoso-opensource
owner:openlink
Title : Fuzzer: Virtuoso 7.2.11 crashed at `qst_vec_set`
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 DATE PRIMARY KEY ) ;
 INSERT INTO v0 ( v1 , v1 ) VALUES ( 1237962480 , '$[*].datetime() ? (@ >= 10.03.2017 12:35 +1.datetime(dd.mm.yyyy HH24:MI TZH))' ) ;
 UPDATE v0 SET v1 = 2 WHERE 'lax $[0].a' = ( SELECT v1 - ( SELECT v1 - 0 ) ) OR v1 < 9223372036854775807 ;
```

backtrace:
```c
#0 0x87fe1d (qst_vec_set+0x53d)
#1 0xc1fa82 (box_sub+0x892)
#2 0x75498e (code_vec_run_v+0x16de)
#3 0x7af01f (qn_input+0x38f)
#4 0x7af4c6 (qn_send_output+0x236)
#5 0x8214bd (set_ctr_vec_input+0x99d)
#6 0x7af05e (qn_input+0x3ce)
#7 0x751d38 (subq_next+0x258)
#8 0x8201a2 (ins_vec_subq+0x2a2)
#9 0x753c6b (code_vec_run_v+0x9bb)
#10 0x7b86bb (end_node_input+0x13b)
#11 0x7af05e (qn_input+0x3ce)
#12 0x7af78f (qn_ts_send_output+0x23f)
#13 0x7b509e (table_source_input+0x16ee)
#14 0x7af05e (qn_input+0x3ce)
#15 0x7af4c6 (qn_send_output+0x236)
#16 0x8214bd (set_ctr_vec_input+0x99d)
#17 0x7af05e (qn_input+0x3ce)
#18 0x7c1be9 (qr_dml_array_exec+0x839)
#19 0x7ce602 (sf_sql_execute+0x15d2)
#20 0x7cecde (sf_sql_execute_w+0x17e)
#21 0x7d799d (sf_sql_execute_wrapper+0x3d)
#22 0xe214bc (future_wrapper+0x3fc)
#23 0xe28dbe (_thread_boot+0x11e)
#24 0x7f8ce5f33609 (start_thread+0xd9)
#25 0x7f8ce5d03133 (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 ---
