diff options
| -rw-r--r-- | block/vmdk.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index 346bb5cad9..f8c0a4eace 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -401,6 +401,14 @@ static int vmdk_add_extent(BlockDriverState *bs, error_report("invalid granularity, image may be corrupt"); return -EINVAL; } + if (l1_size > 512 * 1024 * 1024) { + /* Although with big capacity and small l1_entry_sectors, we can get a + * big l1_size, we don't want unbounded value to allocate the table. + * Limit it to 512M, which is 16PB for default cluster and L2 table + * size */ + error_report("L1 size too big"); + return -EFBIG; + } s->extents = g_realloc(s->extents, (s->num_extents + 1) * sizeof(VmdkExtent)); @@ -598,14 +606,6 @@ static int vmdk_open_vmdk4(BlockDriverState *bs, } l1_size = (le64_to_cpu(header.capacity) + l1_entry_sectors - 1) / l1_entry_sectors; - if (l1_size > 512 * 1024 * 1024) { - /* although with big capacity and small l1_entry_sectors, we can get a - * big l1_size, we don't want unbounded value to allocate the table. - * Limit it to 512M, which is 16PB for default cluster and L2 table - * size */ - error_report("L1 size too big"); - return -EFBIG; - } if (le32_to_cpu(header.flags) & VMDK4_FLAG_RGD) { l1_backup_offset = le64_to_cpu(header.rgd_offset) << 9; } |