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Overview
Comment: | Take care to avoid integer overflow when doing the initial page cache allocation with an excessively large cache_size setting. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
4d66ac98deaa85218be7ff0eb254f78b |
User & Date: | drh 2016-10-13 12:56:18.996 |
Context
2016-10-14
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10:20 | Version 3.15.0 (check-in: 707875582f user: drh tags: trunk, release, version-3.15.0) | |
2016-10-13
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12:56 | Take care to avoid integer overflow when doing the initial page cache allocation with an excessively large cache_size setting. (check-in: 4d66ac98de user: drh tags: trunk) | |
2016-10-12
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18:55 | Avoid reading the -1-th element of an array in the query planner. Fix to a bug introduced by check-in [8e2b25f9b8a7] from earlier today. Curiously, the problem only appeared on 32-bit systems. (check-in: 443913d582 user: drh tags: trunk) | |
Changes
Changes to src/pcache1.c.
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275 276 277 278 279 280 281 | sqlite3BeginBenignMalloc(); if( pcache1.nInitPage>0 ){ szBulk = pCache->szAlloc * (i64)pcache1.nInitPage; }else{ szBulk = -1024 * (i64)pcache1.nInitPage; } if( szBulk > pCache->szAlloc*(i64)pCache->nMax ){ | | | 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 | sqlite3BeginBenignMalloc(); if( pcache1.nInitPage>0 ){ szBulk = pCache->szAlloc * (i64)pcache1.nInitPage; }else{ szBulk = -1024 * (i64)pcache1.nInitPage; } if( szBulk > pCache->szAlloc*(i64)pCache->nMax ){ szBulk = pCache->szAlloc*(i64)pCache->nMax; } zBulk = pCache->pBulk = sqlite3Malloc( szBulk ); sqlite3EndBenignMalloc(); if( zBulk ){ int nBulk = sqlite3MallocSize(zBulk)/pCache->szAlloc; int i; for(i=0; i<nBulk; i++){ |
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