erofs-utils: mkfs: fix integer overflow in erofs_blob_remap

When using --chunksize, partitions greater than 2GiB can fail to build
due to integer overflow in erofs_blob_remap.

Link: https://lore.kernel.org/r/20211111015527.2717076-1-dvander@google.com
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: David Anderson <dvander@google.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
3 files changed