From: Sasha Levin <sasha.levin@oracle.com>
Subject: Re: crypto: algif_hash: creating 0 sized array in hash_accept
Date: Tue, 26 Jan 2016 09:30:54 -0500
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Cc: "David S. Miller" <davem@davemloft.net>,
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To: Herbert Xu <herbert@gondor.apana.org.au>
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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