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Overview
| Comment: | In the OSSFuzz test module, invoke the progress handler much more frequently so that timeouts are detected punctually even if the test script is running opcodes that individually take a long time (for example, an OP_Function opcode that invokes "randomblob(1.5e6)"). |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
f3b6959c04c4ef7b8ff03582b867012a |
| User & Date: | drh 2017-03-13 13:45:29 |
Context
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2017-03-13
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| 14:30 | Fix a segfault that could occur following an OOM error in the flattenSubquery() routine. (check-in: c6dda3f7 user: dan tags: trunk) | |
| 13:45 | In the OSSFuzz test module, invoke the progress handler much more frequently so that timeouts are detected punctually even if the test script is running opcodes that individually take a long time (for example, an OP_Function opcode that invokes "randomblob(1.5e6)"). (check-in: f3b6959c user: drh tags: trunk) | |
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2017-03-12
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| 20:28 | Fix a possible NULL pointer dereference in following an OOM error in sqlite3ExprIsInteger(). Problem found by OSS-Fuzz. (check-in: 5ec655e8 user: drh tags: trunk) | |
Changes
Changes to test/ossfuzz.c.
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/* Open the database connection. Only use an in-memory database. */
rc = sqlite3_open_v2("fuzz.db", &db,
SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MEMORY, 0);
if( rc ) return 0;
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
/* Invoke the progress handler every 500 thousand instructions (approximately
** 20 to 40 times per second) to check to see if we are taking too long.
*/
iCutoff = timeOfDay() + 10000; /* Now + 10 seconds */
sqlite3_progress_handler(db, 500000, progress_handler, (void*)&iCutoff);
#endif
/* Bit 1 of the selector enables foreign key constraints */
sqlite3_db_config(db, SQLITE_DBCONFIG_ENABLE_FKEY, uSelector&1, &rc);
uSelector >>= 1;
/* Remaining bits of the selector determine a limit on the number of
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| | > > | |
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 |
/* Open the database connection. Only use an in-memory database. */
rc = sqlite3_open_v2("fuzz.db", &db,
SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MEMORY, 0);
if( rc ) return 0;
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
/* Invoke the progress handler frequently to check to see if we
** are taking too long. The progress handler will return true
** (which will block further processing) if more than 10 seconds have
** elapsed since the start of the test.
*/
iCutoff = timeOfDay() + 10000; /* Now + 10 seconds */
sqlite3_progress_handler(db, 10, progress_handler, (void*)&iCutoff);
#endif
/* Bit 1 of the selector enables foreign key constraints */
sqlite3_db_config(db, SQLITE_DBCONFIG_ENABLE_FKEY, uSelector&1, &rc);
uSelector >>= 1;
/* Remaining bits of the selector determine a limit on the number of
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