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Overview
| Comment: | Set a low limit on the length of strings and blobs in the OSSFuzz module, in an effort to avoid timeouts when the fuzzer does things like "randomblob(1e12)". |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
119d1609fa415894fdd0aa19440ca1c6 |
| User & Date: | drh 2019-01-29 02:37:22 |
Context
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2019-01-29
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| 11:42 | Fix a buffer overrun triggered by a merge operation on a corrupt fts5 database. (check-in: 7ee3cd5b user: dan tags: trunk) | |
| 02:37 | Set a low limit on the length of strings and blobs in the OSSFuzz module, in an effort to avoid timeouts when the fuzzer does things like "randomblob(1e12)". (check-in: 119d1609 user: drh tags: trunk) | |
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2019-01-28
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| 19:06 | Fix the query planner so that it is able to use an index on a CAST expression. (check-in: 2c886f3d user: drh tags: trunk) | |
Changes
Changes to test/ossfuzz.c.
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cx.iCutoffTime = cx.iLastCb + 10000; /* Now + 10 seconds */ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK sqlite3_progress_handler(cx.db, 10, progress_handler, (void*)&cx); #endif /* Set a limit on the maximum size of a prepared statement */ sqlite3_limit(cx.db, SQLITE_LIMIT_VDBE_OP, 25000); /* Bit 1 of the selector enables foreign key constraints */ sqlite3_db_config(cx.db, SQLITE_DBCONFIG_ENABLE_FKEY, uSelector&1, &rc); uSelector >>= 1; /* Do not allow debugging pragma statements that might cause excess output */ sqlite3_set_authorizer(cx.db, block_debug_pragmas, 0); |
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cx.iCutoffTime = cx.iLastCb + 10000; /* Now + 10 seconds */ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK sqlite3_progress_handler(cx.db, 10, progress_handler, (void*)&cx); #endif /* Set a limit on the maximum size of a prepared statement */ sqlite3_limit(cx.db, SQLITE_LIMIT_VDBE_OP, 25000); /* Set a limit on the maximum length of a string or BLOB. Without this ** limit, fuzzers will invoke randomblob(N) for a large N, and the process ** will timeout trying to generate the huge blob */ sqlite3_limit(cx.db, SQLITE_LIMIT_LENGTH, 50000); /* Bit 1 of the selector enables foreign key constraints */ sqlite3_db_config(cx.db, SQLITE_DBCONFIG_ENABLE_FKEY, uSelector&1, &rc); uSelector >>= 1; /* Do not allow debugging pragma statements that might cause excess output */ sqlite3_set_authorizer(cx.db, block_debug_pragmas, 0); |