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Diffstat (limited to 'src/backend/utils/adt/arrayfuncs.c')
-rw-r--r--src/backend/utils/adt/arrayfuncs.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/utils/adt/arrayfuncs.c b/src/backend/utils/adt/arrayfuncs.c
index 4359dbd83df..7828a6264b5 100644
--- a/src/backend/utils/adt/arrayfuncs.c
+++ b/src/backend/utils/adt/arrayfuncs.c
@@ -5317,6 +5317,12 @@ accumArrayResult(ArrayBuildState *astate,
if (astate->nelems >= astate->alen)
{
astate->alen *= 2;
+ /* give an array-related error if we go past MaxAllocSize */
+ if (!AllocSizeIsValid(astate->alen * sizeof(Datum)))
+ ereport(ERROR,
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("array size exceeds the maximum allowed (%d)",
+ (int) MaxAllocSize)));
astate->dvalues = (Datum *)
repalloc(astate->dvalues, astate->alen * sizeof(Datum));
astate->dnulls = (bool *)