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-rw-r--r--block/vmdk.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/block/vmdk.c b/block/vmdk.c
index 99ca60fdb9..e809e2ef46 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1942,6 +1942,53 @@ static ImageInfo *vmdk_get_extent_info(VmdkExtent *extent)
return info;
}
+static int vmdk_check(BlockDriverState *bs, BdrvCheckResult *result,
+ BdrvCheckMode fix)
+{
+ BDRVVmdkState *s = bs->opaque;
+ VmdkExtent *extent = NULL;
+ int64_t sector_num = 0;
+ int64_t total_sectors = bdrv_getlength(bs) / BDRV_SECTOR_SIZE;
+ int ret;
+ uint64_t cluster_offset;
+
+ if (fix) {
+ return -ENOTSUP;
+ }
+
+ for (;;) {
+ if (sector_num >= total_sectors) {
+ return 0;
+ }
+ extent = find_extent(s, sector_num, extent);
+ if (!extent) {
+ fprintf(stderr,
+ "ERROR: could not find extent for sector %" PRId64 "\n",
+ sector_num);
+ break;
+ }
+ ret = get_cluster_offset(bs, extent, NULL,
+ sector_num << BDRV_SECTOR_BITS,
+ 0, &cluster_offset);
+ if (ret == VMDK_ERROR) {
+ fprintf(stderr,
+ "ERROR: could not get cluster_offset for sector %"
+ PRId64 "\n", sector_num);
+ break;
+ }
+ if (ret == VMDK_OK && cluster_offset >= bdrv_getlength(extent->file)) {
+ fprintf(stderr,
+ "ERROR: cluster offset for sector %"
+ PRId64 " points after EOF\n", sector_num);
+ break;
+ }
+ sector_num += extent->cluster_sectors;
+ }
+
+ result->corruptions++;
+ return 0;
+}
+
static ImageInfoSpecific *vmdk_get_specific_info(BlockDriverState *bs)
{
int i;
@@ -2015,6 +2062,7 @@ static BlockDriver bdrv_vmdk = {
.instance_size = sizeof(BDRVVmdkState),
.bdrv_probe = vmdk_probe,
.bdrv_open = vmdk_open,
+ .bdrv_check = vmdk_check,
.bdrv_reopen_prepare = vmdk_reopen_prepare,
.bdrv_read = vmdk_co_read,
.bdrv_write = vmdk_co_write,