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Overview
| Comment: | Fix a bug in the custom in-memory VFS used by fuzzcheck. This bug masks other bugs that should have caused some existing fuzzdata7.db entries to fail, and so this fix is initially on a branch until those other bugs can be repaired. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | fuzzcheck-fix |
| Files: | files | file ages | folders |
| SHA3-256: | e0994e99955cf11f23dba029b5ed7f15 |
| User & Date: | drh 2018-12-14 02:29:56 |
Context
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2018-12-14
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| 03:14 | Detect when an attempt is made to write to a pointer map page that is also being used as a btree page and report corruption. Closed-Leaf check-in: 3036fd71 user: drh tags: fuzzcheck-fix | |
| 02:29 | Fix a bug in the custom in-memory VFS used by fuzzcheck. This bug masks other bugs that should have caused some existing fuzzdata7.db entries to fail, and so this fix is initially on a branch until those other bugs can be repaired. check-in: e0994e99 user: drh tags: fuzzcheck-fix | |
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2018-12-13
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| 22:58 | Fix the dbtotxt decoder in the CLI so that it ignores excess bytes. check-in: 18740bd4 user: drh tags: trunk | |
Changes
Changes to test/fuzzcheck.c.
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if( iOfst<0 || iOfst>=pVFile->sz ){
memset(pData, 0, iAmt);
return SQLITE_IOERR_SHORT_READ;
}
if( iOfst+iAmt>pVFile->sz ){
memset(pData, 0, iAmt);
iAmt = (int)(pVFile->sz - iOfst);
memcpy(pData, pVFile->a, iAmt);
return SQLITE_IOERR_SHORT_READ;
}
memcpy(pData, pVFile->a + iOfst, iAmt);
return SQLITE_OK;
}
static int inmemWrite(
sqlite3_file *pFile, /* Write to this file */
|
| |
443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 |
if( iOfst<0 || iOfst>=pVFile->sz ){
memset(pData, 0, iAmt);
return SQLITE_IOERR_SHORT_READ;
}
if( iOfst+iAmt>pVFile->sz ){
memset(pData, 0, iAmt);
iAmt = (int)(pVFile->sz - iOfst);
memcpy(pData, pVFile->a + iOfst, iAmt);
return SQLITE_IOERR_SHORT_READ;
}
memcpy(pData, pVFile->a + iOfst, iAmt);
return SQLITE_OK;
}
static int inmemWrite(
sqlite3_file *pFile, /* Write to this file */
|