It may overflow in sparse_block_size_to_storage, use uint64_t instead in
the calculation.
Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com>
---
common/image-sparse.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/common/image-sparse.c b/common/image-sparse.c
index 542a8c4..0c07976 100644
--- a/common/image-sparse.c
+++ b/common/image-sparse.c
@@ -62,7 +62,8 @@ static unsigned int sparse_block_size_to_storage(unsigned int
size,
sparse_storage_t *storage,
sparse_header_t *sparse)
{
- return size * sparse->blk_sz / storage->block_sz;
+ return (unsigned int)lldiv((uint64_t)size * sparse->blk_sz,
+ storage->block_sz);
}
static bool sparse_chunk_has_buffer(chunk_header_t *chunk)
--
2.1.4
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