The qcow2 block driver expects to see a valid sector size even when it has opened the crypto layer with QCRYPTO_BLOCK_OPEN_NO_IO.
Signed-off-by: Daniel P. Berrangé <berra...@redhat.com> --- crypto/block-qcow.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/crypto/block-qcow.c b/crypto/block-qcow.c index 4284e05167..7606231e79 100644 --- a/crypto/block-qcow.c +++ b/crypto/block-qcow.c @@ -102,6 +102,8 @@ qcrypto_block_qcow_open(QCryptoBlock *block, Error **errp) { if (flags & QCRYPTO_BLOCK_OPEN_NO_IO) { + block->sector_size = QCRYPTO_BLOCK_QCOW_SECTOR_SIZE; + block->payload_offset = 0; return 0; } else { if (!options->u.qcow.key_secret) { -- 2.17.2