Re: [PATCH v5] ima_fs: Avoid creating measurement lists for unsupported hash algos

[Dmitry Safonov]

On Wed, Feb 25, 2026 at 1:20 PM Roberto Sassu
<roberto.sa...@huaweicloud.com> wrote:
>
> On Mon, 2026-02-23 at 14:56 +0000, Dmitry Safonov via B4 Relay wrote:
[..]
> > @@ -252,7 +245,8 @@ static int ima_ascii_measurements_show(struct seq_file 
> > *m, void *v)
> >       seq_printf(m, "%2d ", e->pcr);
> >
> >       /* 2nd: template hash */
> > -     ima_print_digest(m, e->digests[algo_idx].digest, 
> > hash_digest_size[algo]);
> > +     ima_print_digest(m, e->digests[algo_idx].digest,
> > +                      ima_tpm_chip->allocated_banks[algo_idx].digest_size);
>
> Sorry, I realized that this does not work if SHA1 or the default hash
> algorithm are not among allocated PCR banks.
>
> I just sent a patch to correctly determine the digest size:
>
> https://marc.info/?l=linux-integrity&m=177202677128752&w=2
>
> and applied yours on top of that (if it is fine for you):
>
> https://github.com/linux-integrity/linux/commit/6efbd2b38b102ecbadc350228cc30fd67666a089
>

Thanks!
            Dmitry