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-rw-r--r--src/vdbeaux.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index 35044127a..be9cebd51 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -4746,11 +4746,15 @@ static int vdbeRecordCompareString(
assert( pPKey2->aMem[0].flags & MEM_Str );
vdbeAssertFieldCountWithinLimits(nKey1, pKey1, pPKey2->pKeyInfo);
- serial_type = (u8)(aKey1[1]);
- if( serial_type >= 0x80 ){
- sqlite3GetVarint32(&aKey1[1], (u32*)&serial_type);
- }
+ serial_type = (signed char)(aKey1[1]);
+
+vrcs_restart:
if( serial_type<12 ){
+ if( serial_type<0 ){
+ sqlite3GetVarint32(&aKey1[1], (u32*)&serial_type);
+ if( serial_type>=12 ) goto vrcs_restart;
+ assert( CORRUPT_DB );
+ }
res = pPKey2->r1; /* (pKey1/nKey1) is a number or a null */
}else if( !(serial_type & 0x01) ){
res = pPKey2->r2; /* (pKey1/nKey1) is a blob */