goto err;
ns->size = stat.size;
- ns->blksize_shift = file_inode(ns->file)->i_blkbits;
+ /*
+ * i_blkbits can be greater than the universally accepted upper bound,
+ * so make sure we export a sane namespace lba_shift.
+ */
+ ns->blksize_shift = min_t(u8,
+ file_inode(ns->file)->i_blkbits, 12);
ns->bvec_cache = kmem_cache_create("nvmet-bvec",
NVMET_MAX_MPOOL_BVEC * sizeof(struct bio_vec),