From f6d63ddccb7600e055bc9592fd4c284303c369bf Mon Sep 17 00:00:00 2001 From: Todd Gruben Date: Wed, 2 Aug 2017 16:06:58 -0500 Subject: [PATCH] overflow on intersectBitmapRun --- roaring/roaring.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/roaring/roaring.go b/roaring/roaring.go index 6dfd110ca..a9284139c 100644 --- a/roaring/roaring.go +++ b/roaring/roaring.go @@ -2007,7 +2007,7 @@ func intersectBitmapRun(a, b *container) *container { i := vb.start >> 6 // index into a vastart := i << 6 valast := vastart + 63 - for valast >= vb.start && vastart <= vb.last { + for valast >= vb.start && vastart <= vb.last && i < bitmapN { if vastart >= vb.start && valast <= vb.last { // a within b output.bitmap[i] = a.bitmap[i] output.n += int(popcnt(a.bitmap[i]))