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Ensure that the cell array used in balance_nonroot() is always large enough, even if the pages being balanced are corrupt.

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FossilOrigin-Name: 53f64e83b39cb56ac7211ffc80d06da13318e1da9dbca7b9123954f5be229a0d
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dan
2021-06-22 14:59:34 +00:00
parent 4d2c20331a
commit b9f8a187de
3 changed files with 9 additions and 9 deletions
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2
src/btree.c
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@@ -7757,6 +7757,7 @@ static int balance_nonroot(
goto balance_cleanup;
}
}
nMaxCells += apOld[i]->nCell + ArraySize(pParent->apOvfl);
if( (i--)==0 ) break;
if( pParent->nOverflow && i+nxDiv==pParent->aiOvfl[0] ){
@@ -7798,7 +7799,6 @@ static int balance_nonroot(
/* Make nMaxCells a multiple of 4 in order to preserve 8-byte
** alignment */
nMaxCells = nOld*(MX_CELL(pBt) + ArraySize(pParent->apOvfl));
nMaxCells = (nMaxCells + 3)&~3;
/*