@@ -121,6 +121,21 @@ int qcow2_read_snapshots(BlockDriverState *bs)
ret = -EFBIG;
goto fail;
}
+
+ if (!(s->overlap_check & QCOW2_OL_INACTIVE_L1)) {
+ continue;
+ }
+
+ if (sn->l1_size > INT_MAX / sizeof(uint64_t)) {
+ /* Do not fail opening the image because a snapshot is broken which
+ * might not be used anyway */
+ continue;
+ }
+
+ qcow2_metadata_list_enter(bs, sn->l1_table_offset,
+ size_to_clusters(s, sn->l1_size *
+ sizeof(uint64_t)),
+ QCOW2_OL_INACTIVE_L1);
}
assert(offset - s->snapshots_offset <= INT_MAX);
@@ -414,6 +429,11 @@ int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
g_free(l1_table);
l1_table = NULL;
+ qcow2_metadata_list_enter(bs, sn->l1_table_offset,
+ size_to_clusters(s, sn->l1_size *
+ sizeof(uint64_t)),
+ QCOW2_OL_INACTIVE_L1);
+
/*
* Increase the refcounts of all clusters and make sure everything is
* stable on disk before updating the snapshot table to contain a pointer
@@ -634,6 +654,11 @@ int qcow2_snapshot_delete(BlockDriverState *bs,
g_free(sn.id_str);
g_free(sn.name);
+ qcow2_metadata_list_remove(bs, sn.l1_table_offset,
+ size_to_clusters(s, sn.l1_size *
+ sizeof(uint64_t)),
+ QCOW2_OL_INACTIVE_L1);
+
/*
* Now decrease the refcounts of clusters referenced by the snapshot and
* free the L1 table.