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Overview
| Comment: | Always check for reads past the end of the file on the in-memory journal driver. This used to be an assert(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
4d41ca7d6efbdac70890a8d4159488fc |
| User & Date: | drh 2019-08-14 15:17:21 |
Context
|
2019-08-15
| ||
| 00:04 | Early detection out-of-bounds page numbers on the direct-overflow-read optimization gives consistent error messages regardless of whether or not the optimization is enabled. check-in: b517a52f user: drh tags: trunk | |
|
2019-08-14
| ||
| 15:17 | Always check for reads past the end of the file on the in-memory journal driver. This used to be an assert(). check-in: 4d41ca7d user: drh tags: trunk | |
|
2019-08-13
| ||
| 20:34 | Add some static to the 'regexp' extension. check-in: a21d1dde user: mistachkin tags: trunk | |
Changes
Changes to src/memjournal.c.
92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 |
){
MemJournal *p = (MemJournal *)pJfd;
u8 *zOut = zBuf;
int nRead = iAmt;
int iChunkOffset;
FileChunk *pChunk;
#if defined(SQLITE_ENABLE_ATOMIC_WRITE) \
|| defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE)
if( (iAmt+iOfst)>p->endpoint.iOffset ){
return SQLITE_IOERR_SHORT_READ;
}
#endif
assert( (iAmt+iOfst)<=p->endpoint.iOffset );
assert( p->readpoint.iOffset==0 || p->readpoint.pChunk!=0 );
if( p->readpoint.iOffset!=iOfst || iOfst==0 ){
sqlite3_int64 iOff = 0;
for(pChunk=p->pFirst;
ALWAYS(pChunk) && (iOff+p->nChunkSize)<=iOfst;
pChunk=pChunk->pNext
){
|
< < < < < |
92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 |
){
MemJournal *p = (MemJournal *)pJfd;
u8 *zOut = zBuf;
int nRead = iAmt;
int iChunkOffset;
FileChunk *pChunk;
if( (iAmt+iOfst)>p->endpoint.iOffset ){
return SQLITE_IOERR_SHORT_READ;
}
assert( p->readpoint.iOffset==0 || p->readpoint.pChunk!=0 );
if( p->readpoint.iOffset!=iOfst || iOfst==0 ){
sqlite3_int64 iOff = 0;
for(pChunk=p->pFirst;
ALWAYS(pChunk) && (iOff+p->nChunkSize)<=iOfst;
pChunk=pChunk->pNext
){
|