On Wed, 3 Jul 2019 13:17:16 +0200
Michal Suchánek <msucha...@suse.de> wrote:
> On Wed, 3 Jul 2019 15:54:59 +0530
> Sachin Sant <sach...@linux.vnet.ibm.com> wrote:
>
> > Booting mainline kernel on PowerVM LPAR with vTPM enabled results
> > into a kernel crash.
> >
> > [ 0.365989] BUG: Kernel NULL pointer dereference at 0x00000012
...
> > [ 0.366085] NIP [c00000000073dd80] tpm1_pcr_extend+0x130/0x230
> > [ 0.366090] LR [c00000000073dcd0] tpm1_pcr_extend+0x80/0x230
...
>
> You need to revert (or fix up) commit 0b6cf6b97b7e ("tpm: pass an array
> of tpm_extend_digest structures to tpm_pcr_extend()". At least
> reverting it fixes the issue for me.
FTR this is the revert on lkml https://lkml.org/lkml/2019/7/1/423
>
> Thanks
>
> Michal
>
