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Take care that a corrupt variable-length integer does not cause 32-bit

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integer overflow when parsing a record format, nor cause excessively large
memory allocations. (CVS 6719)

FossilOrigin-Name: 38b20327a80996c7044b88be32161ac4ac0ec3a9
This commit is contained in:
drh
2009-06-05 14:17:21 +00:00
parent 1662b5a6f9
commit 35cd643cc7
8 changed files with 107 additions and 55 deletions
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8
src/vdbeInt.h
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@@ -15,7 +15,7 @@
** 6000 lines long) it was split up into several smaller files and
** this header information was factored out.
**
** $Id: vdbeInt.h,v 1.170 2009/05/04 11:42:30 danielk1977 Exp $
** $Id: vdbeInt.h,v 1.171 2009/06/05 14:17:25 drh Exp $
*/
#ifndef _VDBEINT_H_
#define _VDBEINT_H_
@@ -338,10 +338,10 @@ int sqlite3VdbeCursorMoveto(VdbeCursor*);
#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE)
void sqlite3VdbePrintOp(FILE*, int, Op*);
#endif
int sqlite3VdbeSerialTypeLen(u32);
u32 sqlite3VdbeSerialTypeLen(u32);
u32 sqlite3VdbeSerialType(Mem*, int);
int sqlite3VdbeSerialPut(unsigned char*, int, Mem*, int);
int sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
u32 sqlite3VdbeSerialPut(unsigned char*, int, Mem*, int);
u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
void sqlite3VdbeDeleteAuxData(VdbeFunc*, int);
int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *);