diff options
| -rw-r--r-- | block.c | 3 | ||||
| -rw-r--r-- | block/io.c | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/block.c b/block.c index 79d9ad0ad6..74ac7dcf74 100644 --- a/block.c +++ b/block.c @@ -3122,6 +3122,9 @@ int bdrv_truncate(BdrvChild *child, int64_t offset) BlockDriverState *bs = child->bs; BlockDriver *drv = bs->drv; int ret; + + assert(child->perm & BLK_PERM_RESIZE); + if (!drv) return -ENOMEDIUM; if (!drv->bdrv_truncate) diff --git a/block/io.c b/block/io.c index 4c797454a4..8f38d46de0 100644 --- a/block/io.c +++ b/block/io.c @@ -1339,6 +1339,7 @@ static int coroutine_fn bdrv_aligned_pwritev(BdrvChild *child, assert(req->overlap_offset <= offset); assert(offset + bytes <= req->overlap_offset + req->overlap_bytes); assert(child->perm & BLK_PERM_WRITE); + assert(end_sector <= bs->total_sectors || child->perm & BLK_PERM_RESIZE); ret = notifier_with_return_list_notify(&bs->before_write_notifiers, req); |