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More robust handling of zeroblob() with oversized arguments. Fix fuzzcheck

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so that it can be run with limited heap memory.

FossilOrigin-Name: 4e3e516a42059c97f42a7eb59bdf5cded0ff843a
This commit is contained in:
drh
2015-07-24 15:49:23 +00:00
parent 03bc525a51
commit 53e66c3cda
10 changed files with 105 additions and 28 deletions
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src/vdbe.c
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@@ -2702,7 +2702,7 @@ case OP_MakeRecord: {
len = sqlite3VdbeSerialTypeLen(serial_type);
if( pRec->flags & MEM_Zero ){
if( nData ){
sqlite3VdbeMemExpandBlob(pRec);
if( sqlite3VdbeMemExpandBlob(pRec) ) goto no_mem;
}else{
nZero += pRec->u.nZero;
len -= pRec->u.nZero;