together if the read attempt in step 2 is itself only speculative)"
Thanks for further comments,
Alexander
Am 2018-01-05 00:09, schrieb Tony Luck:
On Thu, Jan 4, 2018 at 11:45 AM, Alexander Kleinsorge
wrote:
As Meltdown-Issue depends on allowing to cause many exceptions
(usually :
Hi all,
This is my first post here and I hope it is fine. I will subscribe
tomorrow to this list, so please take me in CC for answers now.
As Meltdown-Issue depends on allowing to cause many exceptions (usually
: accessing an invalid address), we could restrict this misusage easy.
My rough
Hi Andi,
I would like to ask for your help.
Is there a central kernel function that enables/disables write-protection for
kernel memory?
I only know the place, where its write protected at booting for x86/x64.
If there is one place, it would be much easier, as to hook into many places
(e.g. ftra
of a message to majord...@vger.kernel.org
> More majordomo info at
> http://vger.kernel.org/majordomo-info.html[http://vger.kernel.org/majordomo-info.html]
> Please read the FAQ at http://www.tux.org/lkml/[http://www.tux.org/lkml/]
--
Thanks,
//richard/* ramcheck.c - checks predefined
Hi Andi,
1. I build in a check if ftrace is enabled. (like: cat
/debug/tracing/tracing_enabled != 1)
2. Main goal is to detect: real ram errors (non crc systems = normal pc). This
happens more often than you think:
DRAM Errors in the Wild: A Large-Scale Field Study, Mai 2009
(http://www.cs.to
Hi Andi,
the module considers only the adress range between:
kallsyms_lookup_name("_text") .. kallsyms_lookup_name("__end_rodata").
this range has a typical size of 10..20 mb (depending on kernel-version and
arch).
see files: linux-3.*\arch\x86\mm\init_32.c + init_64.c
function: void mark_rodat
st
other arch.
see: ramcheck.tgz
ramcheck.tgz
Description: Binary data
/* ramcheck.c - checks predefined kernel memory region
*
* KernelRamCheck by
*
* Copyright 2014 Alexander Kleinsorge
* Copyright 2014 Benjamin Schroedl
*
* This program is free software; you can redistribute it and/or modify
7 matches
Mail list logo
