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Message-Id: <20250921020804.1088824-1-jarkko@kernel.org> Date: Sun, 21 Sep 2025 05:08:00 +0300 From: Jarkko Sakkinen <jarkko@...nel.org> To: linux-integrity@...r.kernel.org Cc: Stefano Garzarella <sgarzare@...hat.com>, Jarkko Sakkinen <jarkko@...nel.org>, David Howells <dhowells@...hat.com>, Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>, keyrings@...r.kernel.org (open list:KEYS/KEYRINGS), linux-security-module@...r.kernel.org (open list:SECURITY SUBSYSTEM), linux-kernel@...r.kernel.org (open list) Subject: [PATCH v10 0/4] tpm: robust stack allocations 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
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