pgvector.git / summary / log / commit / refs

commit    b79a05e533cb9c38282191950f6cccd4e9c4ce03
Author:   Andrew Kane <andrew@ankane.org>
Date:     Wed Jul 29 16:42:27 2026 +0000

    Hardened HnswLoadNeighborTids [skip ci]


 src/hnswutils.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hnswutils.c b/src/hnswutils.c
index 3e287186..26331fc7 100644
--- a/src/hnswutils.c
+++ b/src/hnswutils.c
@@ -762,7 +762,7 @@ HnswLoadNeighborTids(HnswElement element, ItemPointerData *indextids, Relation i
 	Buffer		buf;
 	Page		page;
 	HnswNeighborTuple ntup;
-	int			start;
+	Size		start;
 
 	buf = ReadBuffer(index, element->neighborPage);
 	LockBuffer(buf, BUFFER_LOCK_SHARE);
@@ -781,7 +781,7 @@ HnswLoadNeighborTids(HnswElement element, ItemPointerData *indextids, Relation i
 	}
 
 	/* Copy to minimize lock time */
-	start = (element->level - lc) * m;
+	start = mul_size(element->level - lc, m);
 	memcpy(indextids, ntup->indextids + start, mul_size(sizeof(ItemPointerData), lm));
 
 	UnlockReleaseBuffer(buf);


[parent: 87f925a13949]