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Fix a buffer overrun in the where.c. Problem detected by valgrind.

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FossilOrigin-Name: 15bb62330681a5b2aad95a1d1fc9ab8f6f1bd6b9
This commit is contained in:
drh
2010-07-03 01:44:27 +00:00
parent fd28639f12
commit 0eb77d0568
3 changed files with 19 additions and 9 deletions
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2
src/where.c
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@@ -3435,7 +3435,7 @@ static Bitmask codeOneLoopStart(
** a forward order scan on a descending index, interchange the
** start and end terms (pRangeStart and pRangeEnd).
*/
if( bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC) ){
if( nEq<pIdx->nColumn && bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC) ){
SWAP(WhereTerm *, pRangeEnd, pRangeStart);
}