lkml.org 
[lkml]   [2020]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Regression] "tpm: Require that all digests are present in TCG_PCR_EVENT2 structures" causes null pointer dereference

On Mon, 28 Sep 2020, Jarkko Sakkinen wrote:

> That's a good guess. Just a bit confused how that particular patch can
> have the effect: it has two deferences to efispecid instead of one in
> the same statement. Would be interesting to hear if the bug is triggered
> in Kenneth's environment by the exact same commit.

I can confirm that reverting 7f3d176f5f stops my kernel from panic()ing:

$ sudo fwupdtpmevlog
[sudo] password for kenny:
Failed to parse file: attempted to read 0x10 bytes from buffer of 0x00
$

It would normally OOPS at that point.

-Kenny

--
Kenneth R. Crudup Sr. SW Engineer, Scott County Consulting, Orange County CA

\
 
 \ /
  Last update: 2020-09-28 20:23    [W:0.054 / U:4.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site