Re: [kvm-unit-tests PATCH] Fix the length in the stsi check for the VM name

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On 2/9/21 4:57 PM, Thomas Huth wrote:
> sizeof(somepointer) results in the size of the pointer, i.e. 8 on a
> 64-bit system, so the
> 
>  memcmp(data->ext_names[0], vm_name_ext, sizeof(vm_name_ext))
> 
> only compared the first 8 characters of the VM name here. Switch
> to a proper array to get the sizeof() right.


Reviewed-by: Janosch Frank <frankja@xxxxxxxxxxxxx>


> 
> Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
> ---
>  s390x/stsi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/s390x/stsi.c b/s390x/stsi.c
> index 4109b8d..87d4804 100644
> --- a/s390x/stsi.c
> +++ b/s390x/stsi.c
> @@ -106,7 +106,7 @@ static void test_3_2_2(void)
>  				 0x00, 0x03 };
>  	/* EBCDIC for "KVM/" */
>  	const uint8_t cpi_kvm[] = { 0xd2, 0xe5, 0xd4, 0x61 };
> -	const char *vm_name_ext = "kvm-unit-test";
> +	const char vm_name_ext[] = "kvm-unit-test";
>  	struct stsi_322 *data = (void *)pagebuf;
>  
>  	report_prefix_push("3.2.2");
> 




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