database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-07-29 08:01:23 +03:00
Code Activity

Fix a use-after-free error that could occur if an fts5 table is written while scanning it using an fts5vocab cursor.

Browse Source 
FossilOrigin-Name: e751c2ec786b5c1a1c9640fdc3fde036879a2c32db2bd67fe7c72604780f67b8
This commit is contained in:
dan
2021-09-06 16:15:23 +00:00
parent 905b82d5f5
commit fb8ca7de0c
4 changed files with 67 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
ext/fts5/test/fts5vocab2.test
View File

@ -255,6 +255,27 @@ do_test 5.1 {
do_execsql_test 5.2 {
SELECT * FROM t1
} {one two three four five}
#-------------------------------------------------------------------------
# Check that the fts5 table cannot be written while there are vocab
# cursors open.
reset_db
do_execsql_test 5.0 {
CREATE VIRTUAL TABLE t1 USING fts5(a);
CREATE VIRTUAL TABLE v1 USING fts5vocab(t1, instance);
WITH s(i) AS (
VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<10000
)
INSERT INTO t1 SELECT
'State Emergency Service (SES), Rural Fire Service (RFS) and Volunteers'
FROM s;
}
do_catchsql_test 5.1 {
INSERT INTO t1 SELECT rowid FROM v1
} {1 {query aborted}}
finish_test