diff options
| -rw-r--r-- | block/qcow2-cluster.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c index 6b92ce9429..00c16dcba5 100644 --- a/block/qcow2-cluster.c +++ b/block/qcow2-cluster.c @@ -65,7 +65,8 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size, } } - if (new_l1_size > INT_MAX / sizeof(uint64_t)) { + QEMU_BUILD_BUG_ON(QCOW_MAX_L1_SIZE > INT_MAX); + if (new_l1_size > QCOW_MAX_L1_SIZE / sizeof(uint64_t)) { return -EFBIG; } |