QA output created by 251
Formatting 'TEST_DIR/t.IMGFMT.orig', fmt=IMGFMT size=67108864
wrote 67108864/67108864 bytes at offset 0
64 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

qemu-img: warning: error while reading block status at offset status_fail_offset_0: Input/output error
qemu-img: warning: error while reading block status at offset status_fail_offset_1: Input/output error
qemu-img: warning: error while reading block status at offset status_fail_offset_0: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_0: Input/output error
qemu-img: warning: error while reading block status at offset status_fail_offset_1: Input/output error
qemu-img: warning: error while reading offset status_fail_offset_1: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_2: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_3: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_4: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_5: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_6: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_7: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_8: Input/output error
qemu-img: warning: error while reading offset read_fail_offset_9: Input/output error

wrote 512/512 bytes at offset read_fail_offset_0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_1
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_2
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_3
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_4
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_5
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_6
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_7
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_8
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset read_fail_offset_9
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

Images are identical.
*** done