From: Jarkko Sakkinen <jarkko@kernel.org>
To: linux-integrity@vger.kernel.org
Cc: Stefano Garzarella <sgarzare@redhat.com>,
Jarkko Sakkinen <jarkko@kernel.org>,
David Howells <dhowells@redhat.com>,
Paul Moore <paul@paul-moore.com>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
keyrings@vger.kernel.org (open list:KEYS/KEYRINGS),
linux-security-module@vger.kernel.org (open list:SECURITY
SUBSYSTEM), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v10 0/4] tpm: robust stack allocations
Date: Sun, 21 Sep 2025 05:08:00 +0300 [thread overview]
Message-ID: <20250921020804.1088824-1-jarkko@kernel.org> (raw)
1. These are previous changes to tpm_buf, which make stack allocations
much more feasible than previously.
2. Migrate low-hanging fruit to use stack allocations.
Jarkko Sakkinen (4):
tpm: Make TPM buffer allocations more robust
tpm, tpm1-cmd: Use stack for trivial cases
tpm, tpm2-cmd: Use stack for trivial cases
tpm_vpm_proxy: Use stack for TPM_CC_SET_LOCALITY
drivers/char/tpm/tpm-buf.c | 137 ++++++----
drivers/char/tpm/tpm-dev-common.c | 4 +-
drivers/char/tpm/tpm-dev.h | 2 +-
drivers/char/tpm/tpm-interface.c | 4 +-
drivers/char/tpm/tpm-sysfs.c | 20 +-
drivers/char/tpm/tpm.h | 3 +-
drivers/char/tpm/tpm1-cmd.c | 151 +++++------
drivers/char/tpm/tpm2-cmd.c | 297 ++++++++++------------
drivers/char/tpm/tpm2-sessions.c | 121 +++++----
drivers/char/tpm/tpm2-space.c | 44 ++--
drivers/char/tpm/tpm_tis_i2c.c | 4 +-
drivers/char/tpm/tpm_vtpm_proxy.c | 34 +--
include/linux/tpm.h | 28 +-
security/keys/trusted-keys/trusted_tpm1.c | 34 ++-
security/keys/trusted-keys/trusted_tpm2.c | 156 ++++++------
15 files changed, 493 insertions(+), 546 deletions(-)
--
2.39.5
next reply other threads:[~2025-09-21 2:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-21 2:08 Jarkko Sakkinen [this message]
2025-09-21 2:08 ` [PATCH v10 1/4] tpm: Make TPM buffer allocations more robust Jarkko Sakkinen
2025-09-21 8:53 ` kernel test robot
2025-09-22 8:44 ` Stefano Garzarella
2025-09-23 14:30 ` Jarkko Sakkinen
2025-09-24 10:10 ` Stefano Garzarella
2025-09-21 2:08 ` [PATCH v10 2/4] tpm, tpm1-cmd: Use stack for trivial cases Jarkko Sakkinen
2025-09-21 2:08 ` [PATCH v10 3/4] tpm, tpm2-cmd: " Jarkko Sakkinen
2025-09-21 2:08 ` [PATCH v10 4/4] tpm_vpm_proxy: Use stack for TPM_CC_SET_LOCALITY Jarkko Sakkinen
2025-09-22 8:46 ` Stefano Garzarella
2025-09-23 14:30 ` Jarkko Sakkinen
2025-09-21 12:54 ` [PATCH v10 0/4] tpm: robust stack allocations Jarkko Sakkinen
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