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Jarkko Sakkinen
a61809a332
Unless tpm_chip_bootstrap() was called by the driver, !chip->auth can
cause a null derefence in tpm_buf_append_name(). Thus, address
!chip->auth in tpm_buf_append_name() and remove the fallback
implementation for !TCG_TPM2_HMAC.
Cc: stable@vger.kernel.org # v6.10+
Reported-by: Stefan Berger <stefanb@linux.ibm.com>
Closes: https://lore.kernel.org/linux-integrity/20240617193408.1234365-1-stefanb@linux.ibm.com/
Fixes: d0a25bb961 ("tpm: Add HMAC session name/handle append")
Tested-by: Michael Ellerman <mpe@ellerman.id.au> # ppc
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Linux kernel
============
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