Re: crypto: algif_hash: creating 0 sized array in hash_accept

From: Sasha Levin
Date: Tue Jan 26 2016 - 09:31:12 EST


On 01/26/2016 09:07 AM, Herbert Xu wrote:
> On Tue, Jan 26, 2016 at 08:26:41AM -0500, Sasha Levin wrote:
>> >
>> > This seems to be happening with "digest_null".
> In that case this is expected as digest_null obviously has no
> state. So why is a zero-length array disallowed by ubsan?

The C spec forbids it, so ubsan complains :)


Thanks,
Sasha