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Overview
| Comment: | Fix a possible NULL pointer deref when using SQLITE_ENABLE_MEMORY_MANAGEMENT. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
89bfdbfe943adce8e02c84ede014fcfe |
| User & Date: | drh 2015-09-09 19:27:10 |
Context
|
2015-09-09
| ||
| 19:44 | Fix an assert() enabled by SQLITE_ENABLE_EXPENSIVE_ASSERT in wal.c. check-in: 8d2ed150 user: dan tags: trunk | |
| 19:27 | Fix a possible NULL pointer deref when using SQLITE_ENABLE_MEMORY_MANAGEMENT. check-in: 89bfdbfe user: drh tags: trunk | |
| 17:23 | Fix harmless compiler warning. check-in: 280fd3a4 user: mistachkin tags: trunk | |
Changes
Changes to src/pcache1.c.
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int nFree = 0;
assert( sqlite3_mutex_notheld(pcache1.grp.mutex) );
assert( sqlite3_mutex_notheld(pcache1.mutex) );
if( sqlite3GlobalConfig.nPage==0 ){
PgHdr1 *p;
pcache1EnterMutex(&pcache1.grp);
while( (nReq<0 || nFree<nReq)
&& (p=pcache1.grp.lru.pLruPrev)->isAnchor==0
){
nFree += pcache1MemSize(p->page.pBuf);
#ifdef SQLITE_PCACHE_SEPARATE_HEADER
nFree += sqlite3MemSize(p);
#endif
assert( p->isPinned==0 );
pcache1PinPage(p);
|
| > |
1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 |
int nFree = 0;
assert( sqlite3_mutex_notheld(pcache1.grp.mutex) );
assert( sqlite3_mutex_notheld(pcache1.mutex) );
if( sqlite3GlobalConfig.nPage==0 ){
PgHdr1 *p;
pcache1EnterMutex(&pcache1.grp);
while( (nReq<0 || nFree<nReq)
&& (p=pcache1.grp.lru.pLruPrev)!=0
&& p->isAnchor==0
){
nFree += pcache1MemSize(p->page.pBuf);
#ifdef SQLITE_PCACHE_SEPARATE_HEADER
nFree += sqlite3MemSize(p);
#endif
assert( p->isPinned==0 );
pcache1PinPage(p);
|