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Overview
Comment: | Fix a potential memory use-after-free problem following an OOM error. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
767ccb1fa11b3e7b895fb8c2e91f79e3 |
User & Date: | drh 2014-03-04 18:06:04.531 |
Context
2014-03-04
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21:00 | Fix a problem with "DEFAULT (-(-9223372036854775808))" clauses in ALTER TABLE ... ADD COLUMN commands. (check-in: e072cb3ee2 user: dan tags: trunk) | |
18:06 | Fix a potential memory use-after-free problem following an OOM error. (check-in: 767ccb1fa1 user: drh tags: trunk) | |
16:21 | Fix an assert() so that it takes OOM errors into account. (check-in: 53f6ec792f user: drh tags: trunk) | |
Changes
Changes to src/vdbemem.c.
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118 119 120 121 122 123 124 125 126 127 128 129 130 131 | bPreserve = 0; }else{ sqlite3DbFree(pMem->db, pMem->zMalloc); pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n); } if( pMem->zMalloc==0 ){ VdbeMemRelease(pMem); pMem->flags = MEM_Null; return SQLITE_NOMEM; } } if( pMem->z && bPreserve && pMem->z!=pMem->zMalloc ){ memcpy(pMem->zMalloc, pMem->z, pMem->n); | > | 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | bPreserve = 0; }else{ sqlite3DbFree(pMem->db, pMem->zMalloc); pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n); } if( pMem->zMalloc==0 ){ VdbeMemRelease(pMem); pMem->z = 0; pMem->flags = MEM_Null; return SQLITE_NOMEM; } } if( pMem->z && bPreserve && pMem->z!=pMem->zMalloc ){ memcpy(pMem->zMalloc, pMem->z, pMem->n); |
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