Re: linux-next: build failure after merge of the security tree

[Paul Moore]

On Tue, Jun 2, 2026 at 12:16 PM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> Hi all,
>
> After merging the security tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> /tmp/next/build/security/hornet/hornet_lsm.c:212:36: error: too many arguments to function call, expected 1, have 3
>   212 |                         if (map->ops->map_get_hash(map, SHA256_DIGEST_SIZE, hash))
>       |                             ~~~~~~~~~~~~~~~~~~~~~~      ^~~~~~~~~~~~~~~~~~~~~~~~
> /tmp/next/build/include/crypto/sha2.h:14:33: note: expanded from macro 'SHA256_DIGEST_SIZE'
>    14 | #define SHA256_DIGEST_SIZE      32
>       |                                 ^
>
>
> Caused by commit
>
>   c62310df81899 (lsm: introduce the Hornet LSM)
>
> interacting with
>
>   c48c3a7e7d5be (bpf: Drop redundant hash_buf from map_get_hash operation)
>
> from the bpf-next tree.  I have reverted the latter commit, the new LSM
> means that the assumption in the changelog that there is only one caller
> isn't true and it seems like the most straightforward approach.

Thanks Mark, we're taking a look at it now and should have a
fix/answer later today.

-- 
paul-moore.com