diff options
| -rw-r--r-- | block/bochs.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/bochs.c b/block/bochs.c index a922782c1d..826ec1203c 100644 --- a/block/bochs.c +++ b/block/bochs.c @@ -186,8 +186,9 @@ static int64_t seek_to_sector(BlockDriverState *bs, int64_t sector_num) return -1; /* not allocated */ } - bitmap_offset = s->data_offset + (512 * s->catalog_bitmap[extent_index] * - (s->extent_blocks + s->bitmap_blocks)); + bitmap_offset = s->data_offset + + (512 * (uint64_t) s->catalog_bitmap[extent_index] * + (s->extent_blocks + s->bitmap_blocks)); /* read in bitmap for current extent */ if (bdrv_pread(bs->file, bitmap_offset + (extent_offset / 8), |