Re: [PATCH 2/2] tpm/eventlog/tpm1: Fix off-by-1 when reading binary_bios_measurements

From: Jarkko Sakkinen
Date: Wed Jan 16 2019 - 17:17:38 EST


On Fri, Jan 11, 2019 at 04:59:33PM +0800, Jia Zhang wrote:
> It is unable to read the entry when it is the only one in
> binary_bios_measurements:
>
> 00000000 00 00 00 00 08 00 00 00 c4 2f ed ad 26 82 00 cb
> 00000010 1d 15 f9 78 41 c3 44 e7 9d ae 33 20 00 00 00 00
> 00000020
>
> This is obviously a firmware problem on my linux machine:
>
> Manufacturer: Inspur
> Product Name: SA5212M4
> Version: 01
>
> However, binary_bios_measurements should return it any way,
> rather than nothing, after all its content is completely
> valid.
>
> Fixes: 55a82ab("tpm: add bios measurement log")
> Signed-off-by: Jia Zhang <zhang.jia@xxxxxxxxxxxxxxxxx>

LGTM, Nayna?

/Jarkko