tpm: Check size of response before accessing data

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Make sure that we have not received less bytes than what is indicated
in the header of the TPM response. Also, check the number of bytes in
the response before accessing its data.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkine@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkine@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkine@linux.intel.com>

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Stefan Berger 2017-01-19 07:19:12 -05:00 • committed by Jarkko Sakkinen

parent 1d70fe9d9c

commit c659af78eb

5 changed files with 123 additions and 51 deletions

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70

drivers/char/tpm/tpm-interface.c

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28

drivers/char/tpm/tpm-sysfs.c

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7

drivers/char/tpm/tpm.h

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66

drivers/char/tpm/tpm2-cmd.c

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3

drivers/char/tpm/tpm_tis_core.c

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