Re: [PATCH v8 0/2] Move TPM-specific fields out of trusted_key_options
From: Jarkko Sakkinen
Date: Thu Sep 17 2026 - 21:32:46 EST
On Thu, Sep 10, 2026 at 01:22:30PM +0530, Srish Srinivasan wrote:
> struct trusted_key_options contains fields that are specific to the TPM
> trusted source, resulting in the accumulation backend-specific fields in
> the generic options structure.
>
> Move the TPM-specific fields into a new struct trusted_key_tpm and store a
> pointer to it in the private member of struct trusted_key_options.
>
> As a preparatory change, return immediately after a TPM unseal failure to
> prevent pcrlock() from overwriting the unseal error.
>
> Changelog:
>
> v8:
> - Rebase onto commit
> adc6a9f6d997 ("KEYS: trusted: Fix tpm2_load_cmd() boundary check")
> to resolve the merge conflicts
> - Include Jarkko's Reviewed-by tag
>
> v7:
> - Fix a memory leak in the preparatory fix
>
> v6:
> - Add a preparatory fix to return immediately after a TPM unseal failure
> - Replace explicit cleanup with __free(kfree_sensitive) in the TPM seal
> and unseal paths, as suggested by Jarkko
>
> v5:
> - Rename struct trusted_tpm_options to struct trusted_key_tpm, as
> suggestedby Jarkko.
>
> v4:
> - Rebased onto mainline after tpm-buf memory-safe allocation changes were
> merged
> - Resolved the resulting merge conflicts
>
> v3:
> - Exclude the preparatory clean up patch as the problem has been
> addressed in commit
> 9ec4175a30eb ("KEYS: trusted: Debugging as a feature")
>
> v2:
> - Exclude the bug-fix patch as it has already been applied to 6.19-rc7
> - Rename instances of trusted_tpm_options from tpm_opts to private
> - Use pr_debug and KERN_DEBUG for logging debug messages (preparatory
> clean up patch)
> - Address other minor comments from Jarkko
>
> Srish Srinivasan (2):
> keys/trusted_keys: return immediately after TPM unseal failure
> keys/trusted_keys: move TPM-specific fields into struct
> trusted_key_tpm
>
> include/keys/trusted-type.h | 11 --
> include/keys/trusted_tpm.h | 14 +++
> security/keys/trusted-keys/trusted_tpm1.c | 125 ++++++++++++----------
> security/keys/trusted-keys/trusted_tpm2.c | 50 +++++----
> 4 files changed, 113 insertions(+), 87 deletions(-)
>
> --
> 2.53.0
>
Thank you. Applied.
BR, Jarkko