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Overview
| Comment: | When parsing a corrupt record using sqlite3VdbeRecordUnpack(), make sure that the resulting UnpackedRecord object is completely initialized, to avoid (harmless) MSAN warnings. |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
ddc3697efd61830fad55c6bf7f9115f4 |
| User & Date: | drh 2019-01-14 13:32:15.811 |
Context
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2019-01-14
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| 15:09 | Fix a problem with querying a corrupt fts3 database. (check-in: 65e50706a0 user: dan tags: trunk) | |
| 13:32 | When parsing a corrupt record using sqlite3VdbeRecordUnpack(), make sure that the resulting UnpackedRecord object is completely initialized, to avoid (harmless) MSAN warnings. (check-in: ddc3697efd user: drh tags: trunk) | |
| 11:56 | Have fts3 ignore empty sets of parenthesis if built with SQLITE_ENABLE_FTS3_PARENTHESIS. (check-in: c93c6b45a3 user: dan tags: trunk) | |
Changes
Changes to src/vdbeaux.c.
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/* pMem->flags = 0; // sqlite3VdbeSerialGet() will set this for us */
pMem->szMalloc = 0;
pMem->z = 0;
d += sqlite3VdbeSerialGet(&aKey[d], serial_type, pMem);
pMem++;
if( (++u)>=p->nField ) break;
}
assert( u<=pKeyInfo->nKeyField + 1 );
p->nField = u;
}
#ifdef SQLITE_DEBUG
/*
** This function compares two index or table record keys in the same way
| > > > > > > > | 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 |
/* pMem->flags = 0; // sqlite3VdbeSerialGet() will set this for us */
pMem->szMalloc = 0;
pMem->z = 0;
d += sqlite3VdbeSerialGet(&aKey[d], serial_type, pMem);
pMem++;
if( (++u)>=p->nField ) break;
}
if( d>nKey && u ){
assert( CORRUPT_DB );
/* In a corrupt record entry, the last pMem might have been set up using
** uninitialized memory. Overwrite its value with NULL, to prevent
** warnings from MSAN. */
sqlite3VdbeMemSetNull(pMem-1);
}
assert( u<=pKeyInfo->nKeyField + 1 );
p->nField = u;
}
#ifdef SQLITE_DEBUG
/*
** This function compares two index or table record keys in the same way
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