Re: [Qemu-devel] [PATCH] iotests: Fix CID for VMDK afl image

[Kevin Wolf <kwolf@redhat.com>]

Am 24.01.2018 um 05:42 hat Fam Zheng geschrieben:
> The descriptor block in the image, which includes the CID to verify, has been
> invalid since the reference image was added. Since commit 9877860e7bd we report
> this error earlier than the "file too large", so 059.out mismatches.
> 
> Instead of fixing the output, we fix the image descriptor, because the code
> path we want to exercise is actually the invalid image size.
> 
> The binary change is generated along the operations of:
> 
>   $ bunzip2 afl9.vmdk.bz2
>   $ qemu-img create -f qcow2 fix.vmdk 1G

Sure about -f qcow2? :-)

>   $ dd if=afl9.vmdk.bz2 of=fix.vmdk bs=512 count=1 conv=notrunc
>   $ mv fix.vmdk afl9.vmdk
>   $ bzip2 afl9.vmdk
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  tests/qemu-iotests/sample_images/afl9.vmdk.bz2 | Bin 178 -> 618 bytes
>  1 file changed, 0 insertions(+), 0 deletions(-)

I think you also want to revert 76bf133c in this patch, otherwise 059
fails after applying it.

Kevin