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Hardened VectorArrayInit

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Andrew Kane
2026-07-08 10:15:21 -07:00
parent 124f6c61a4
commit c5a277a975
1 changed files with 5 additions and 1 deletions
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6
src/ivfutils.c
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@@ -23,11 +23,15 @@
VectorArray VectorArray
VectorArrayInit(int maxlen, int dimensions, Size itemsize) VectorArrayInit(int maxlen, int dimensions, Size itemsize)
{ {
VectorArray res = palloc(sizeof(VectorArrayData)); VectorArray res;
if (maxlen < 1 || dimensions < 1)
elog(ERROR, "safety check failed");
/* Ensure items are aligned to prevent UB */ /* Ensure items are aligned to prevent UB */
itemsize = MAXALIGN(itemsize); itemsize = MAXALIGN(itemsize);
res = palloc(sizeof(VectorArrayData));
res->length = 0; res->length = 0;
res->maxlen = maxlen; res->maxlen = maxlen;
res->dim = dimensions; res->dim = dimensions;