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Avoid excess stack usage when a VALUES clause with lots of rows occurs

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within a scalar expression.  This fixes a problem discovered by OSSFuzz.

FossilOrigin-Name: a4fa0581ba7cfd45fabe0198f55b3c2c8ee3ecfd2825aeed91116f44e77d760b
This commit is contained in:
drh
2018-01-14 20:12:23 +00:00
parent eb54500419
commit b058d05452
5 changed files with 37 additions and 13 deletions
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src/expr.c
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@@ -2764,7 +2764,6 @@ int sqlite3CodeSubselect(
pSel->pLimit = sqlite3PExpr(pParse, TK_LIMIT, pLimit, 0);
}
pSel->iLimit = 0;
pSel->selFlags &= ~SF_MultiValue;
if( sqlite3Select(pParse, pSel, &dest) ){
return 0;
}