The PoC is generated by my DBMS fuzzer. It can also be reproduced in the beta docker image.
```SQL
CREATE TABLE v0 ( v1 CHAR(1) NULL , v2 CHAR(1) NULL , v3 INT NULL ) ;
 SELECT 2 FROM v0 WHERE 2 OR ST_Contains () ;
```

backtrace:
```c
#0 0x6dea98 (sql_tree_hash_1+0x38)
#1 0x6df00a (sqlo_df_elt+0x3a)
#2 0x6dfd37 (sqlo_df+0x37)
#3 0x78cf77 (sqlo_geo_f_solve+0x67)
#4 0x78d503 (sqlo_solve+0x23)
#5 0x6f538e (sqlo_col_inverse+0x3e)
#6 0x6f63fc (sqlo_tb_col_preds+0x34c)
#7 0x70193e (sqlo_place_table+0x104e)
#8 0x70967b (sqlo_try+0xdb)
#9 0x70ac5c (sqlo_layout_1+0x94c)
#10 0x6eadab (sqlo_layout+0x5fb)
#11 0x6edb6f (sqlo_place_dt_leaf+0xfdf)
#12 0x6edfb0 (sqlo_place_dt_set+0xd0)
#13 0x6ef3bc (sqlo_place_dt+0xec)
#14 0x701485 (sqlo_place_table+0xb95)
#15 0x70967b (sqlo_try+0xdb)
#16 0x70ac5c (sqlo_layout_1+0x94c)
#17 0x6eadab (sqlo_layout+0x5fb)
#18 0x70eb45 (sqlo_top_2+0x335)
#19 0x70e5db (sqlo_top_1+0x26b)
#20 0x70ffa6 (sqlo_top_select+0x156)
#21 0x6b9b6f (sql_stmt_comp+0x8bf)
#22 0x6bc9d2 (sql_compile_1+0x1a62)
#23 0x7cba60 (stmt_set_query+0x340)
#24 0x7cd952 (sf_sql_execute+0x922)
#25 0x7cecde (sf_sql_execute_w+0x17e)
#26 0x7d799d (sf_sql_execute_wrapper+0x3d)
#27 0xe214bc (future_wrapper+0x3fc)
#28 0xe28dbe (_thread_boot+0x11e)
#29 0x7ff0e4a34609 (start_thread+0xd9)
#30 0x7ff0e4804133 (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 `sql_tree_hash_1`
This is a GitHub Issue
repo:virtuoso-opensource
owner:openlink
Title : Fuzzer: Virtuoso 7.2.11 crashed at `sql_tree_hash_1`
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 CHAR(1) NULL , v2 CHAR(1) NULL , v3 INT NULL ) ;
 SELECT 2 FROM v0 WHERE 2 OR ST_Contains () ;
```

backtrace:
```c
#0 0x6dea98 (sql_tree_hash_1+0x38)
#1 0x6df00a (sqlo_df_elt+0x3a)
#2 0x6dfd37 (sqlo_df+0x37)
#3 0x78cf77 (sqlo_geo_f_solve+0x67)
#4 0x78d503 (sqlo_solve+0x23)
#5 0x6f538e (sqlo_col_inverse+0x3e)
#6 0x6f63fc (sqlo_tb_col_preds+0x34c)
#7 0x70193e (sqlo_place_table+0x104e)
#8 0x70967b (sqlo_try+0xdb)
#9 0x70ac5c (sqlo_layout_1+0x94c)
#10 0x6eadab (sqlo_layout+0x5fb)
#11 0x6edb6f (sqlo_place_dt_leaf+0xfdf)
#12 0x6edfb0 (sqlo_place_dt_set+0xd0)
#13 0x6ef3bc (sqlo_place_dt+0xec)
#14 0x701485 (sqlo_place_table+0xb95)
#15 0x70967b (sqlo_try+0xdb)
#16 0x70ac5c (sqlo_layout_1+0x94c)
#17 0x6eadab (sqlo_layout+0x5fb)
#18 0x70eb45 (sqlo_top_2+0x335)
#19 0x70e5db (sqlo_top_1+0x26b)
#20 0x70ffa6 (sqlo_top_select+0x156)
#21 0x6b9b6f (sql_stmt_comp+0x8bf)
#22 0x6bc9d2 (sql_compile_1+0x1a62)
#23 0x7cba60 (stmt_set_query+0x340)
#24 0x7cd952 (sf_sql_execute+0x922)
#25 0x7cecde (sf_sql_execute_w+0x17e)
#26 0x7d799d (sf_sql_execute_wrapper+0x3d)
#27 0xe214bc (future_wrapper+0x3fc)
#28 0xe28dbe (_thread_boot+0x11e)
#29 0x7ff0e4a34609 (start_thread+0xd9)
#30 0x7ff0e4804133 (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 ---
