Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Fix an assertion fault on a syntax error input caused by check-in [6b2ff26c25bb9da3]. Problem discovered by OSSFuzz. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | 90d6e4f10d3055a776d24854c442a2a6 |
| User & Date: | drh 2017-12-25 13:43:54 |
Context
|
2017-12-26
| ||
| 14:30 | Add options to speedtest1.c and speed-check.sh for testing performance of floating-point computatations. check-in: ebfea872 user: dan tags: trunk | |
| 14:11 | Fix crashes that could occur if SQL NULL values were passed to the built-in FTS5 snippet function. Edit: breaks amalgamation builds. check-in: 553a3ad3 user: dan tags: mistake | |
|
2017-12-25
| ||
| 13:43 | Fix an assertion fault on a syntax error input caused by check-in [6b2ff26c25bb9da3]. Problem discovered by OSSFuzz. check-in: 90d6e4f1 user: drh tags: trunk | |
|
2017-12-24
| ||
| 18:56 | Fix a NULL pointer dereference after a syntax error that can occur as a result of check-in [6b2ff26c25bb9da3] yesterday. This problem was discovered by the OSSFuzz. check-in: d49afb8f user: drh tags: trunk | |
Changes
Changes to src/build.c.
1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 |
p->nCol = pSelTab->nCol;
p->aCol = pSelTab->aCol;
pSelTab->nCol = 0;
pSelTab->aCol = 0;
sqlite3DeleteTable(db, pSelTab);
sqlite3SelectDestInit(&dest, SRT_Coroutine, regYield);
sqlite3Select(pParse, pSelect, &dest);
sqlite3VdbeEndCoroutine(v, regYield);
sqlite3VdbeJumpHere(v, addrTop - 1);
addrInsLoop = sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm);
VdbeCoverage(v);
sqlite3VdbeAddOp3(v, OP_MakeRecord, dest.iSdst, dest.nSdst, regRec);
sqlite3TableAffinity(v, p, 0);
sqlite3VdbeAddOp2(v, OP_NewRowid, 1, regRowid);
|
> |
1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 |
p->nCol = pSelTab->nCol;
p->aCol = pSelTab->aCol;
pSelTab->nCol = 0;
pSelTab->aCol = 0;
sqlite3DeleteTable(db, pSelTab);
sqlite3SelectDestInit(&dest, SRT_Coroutine, regYield);
sqlite3Select(pParse, pSelect, &dest);
if( pParse->nErr ) return;
sqlite3VdbeEndCoroutine(v, regYield);
sqlite3VdbeJumpHere(v, addrTop - 1);
addrInsLoop = sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm);
VdbeCoverage(v);
sqlite3VdbeAddOp3(v, OP_MakeRecord, dest.iSdst, dest.nSdst, regRec);
sqlite3TableAffinity(v, p, 0);
sqlite3VdbeAddOp2(v, OP_NewRowid, 1, regRowid);
|
Changes to test/colname.test.
394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 |
execsql2 {SELECT BBb FROM (SELECT aaa AS Bbb FROM t1)}
} {Bbb 123}
do_execsql_test colname-9.320 {
CREATE TABLE t2 AS SELECT BBb FROM (SELECT aaa AS Bbb FROM t1);
SELECT name FROM pragma_table_info('t2');
} {Bbb}
# Issue detected by clusterfuzz on 2017-12-24 (Christmas Eve)
# caused by check-in https://sqlite.org/src/info/6b2ff26c25
#
# Prior to being fixed, the following CREATE TABLE was dereferencing
# a NULL pointer and segfaulting.
#
do_catchsql_test colname-9.400 {
CREATE TABLE t4 AS SELECT #0;
} {1 {near "#0": syntax error}}
# Make sure the quotation marks get removed from the column names
# when constructing a new table from an aggregate SELECT.
# Email from Juergen Palm on 2017-07-11.
#
do_execsql_test colname-10.100 {
DROP TABLE IF EXISTS t1;
|
| > > > > > > > > > |
394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 |
execsql2 {SELECT BBb FROM (SELECT aaa AS Bbb FROM t1)}
} {Bbb 123}
do_execsql_test colname-9.320 {
CREATE TABLE t2 AS SELECT BBb FROM (SELECT aaa AS Bbb FROM t1);
SELECT name FROM pragma_table_info('t2');
} {Bbb}
# Issue detected by OSSFuzz on 2017-12-24 (Christmas Eve)
# caused by check-in https://sqlite.org/src/info/6b2ff26c25
#
# Prior to being fixed, the following CREATE TABLE was dereferencing
# a NULL pointer and segfaulting.
#
do_catchsql_test colname-9.400 {
CREATE TABLE t4 AS SELECT #0;
} {1 {near "#0": syntax error}}
# Issue detected by OSSFuzz on 2017-12-25 (Christmas Day)
# also caused by check-in https://sqlite.org/src/info/6b2ff26c25
#
# Prior to being fixed, the following CREATE TABLE caused an
# assertion fault.
#
do_catchsql_test colname-9.410 {
CREATE TABLE t5 AS SELECT RAISE(abort,a);
} {1 {RAISE() may only be used within a trigger-program}}
# Make sure the quotation marks get removed from the column names
# when constructing a new table from an aggregate SELECT.
# Email from Juergen Palm on 2017-07-11.
#
do_execsql_test colname-10.100 {
DROP TABLE IF EXISTS t1;
|