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overflow on intersectBitmapRun

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This commit is contained in:
Todd Gruben 2017-08-02 16:06:58 -05:00
parent 6dacd287b4
commit f6d63ddccb
1 changed files with 1 additions and 1 deletions
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2
roaring/roaring.go
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@ -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]))