search for: 1afcbef397ab7

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2020 Feb 14
0
[PATCH AUTOSEL 4.19 251/252] virtio_balloon: prevent pfn array overflow
...om> Reviewed-by: David Hildenbrand <david at redhat.com> Signed-off-by: Sasha Levin <sashal at kernel.org> --- drivers/virtio/virtio_balloon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 14ac36ca8fbd3..1afcbef397ab7 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -126,6 +126,8 @@ static void set_page_pfns(struct virtio_balloon *vb, { unsigned int i; + BUILD_BUG_ON(VIRTIO_BALLOON_PAGES_PER_PAGE > VIRTIO_BALLOON_ARRAY_PFNS_MAX); + /* * Set balloon pfns pointing...