diff options
Diffstat (limited to 'block/vpc.c')
| -rw-r--r-- | block/vpc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/block/vpc.c b/block/vpc.c index b5dca3961e..627d11cb9b 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -260,6 +260,13 @@ static int vpc_open(BlockDriverState *bs, QDict *options, int flags, } } + if (s->free_data_block_offset > bdrv_getlength(bs->file)) { + error_setg(errp, "block-vpc: free_data_block_offset points after " + "the end of file. The image has been truncated."); + ret = -EINVAL; + goto fail; + } + s->last_bitmap_offset = (int64_t) -1; #ifdef CACHE |