linux-kernel - Re: [PATCH drivers/misc 0/4] lkdtm: Various clean ups

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Date:   Tue, 23 Jun 2020 16:32:12 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Kees Cook <keescook@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Prasad Sodagudi <psodagud@...eaurora.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Amit Daniel Kachhap <amit.kachhap@....com>,
        linux-kselftest@...r.kernel.org,
        clang-built-linux@...glegroups.com, linux-kernel@...r.kernel.org,
        richard -rw- weinberger <richard.weinberger@...il.com>
Subject: Re: [PATCH drivers/misc 0/4] lkdtm: Various clean ups

On 6/23/20 4:10 PM, Kees Cook wrote:
> On Fri, May 29, 2020 at 01:03:43PM -0700, Kees Cook wrote:
>> Hi Greg,
>>
>> Can you please apply these patches to your drivers/misc tree for LKDTM?
>> It's mostly a collection of fixes and improvements and tweaks to the
>> selftest integration.
> 
> Friendly ping -- we're past -rc2 now. :)
> 
> Thanks!
> 
> -Kees
> 
>>
>> Thanks!
>>
>> -Kees
>>
>> Kees Cook (4):
>>   lkdtm: Avoid more compiler optimizations for bad writes
>>   lkdtm/heap: Avoid edge and middle of slabs
>>   selftests/lkdtm: Reset WARN_ONCE to avoid false negatives
>>   lkdtm: Make arch-specific tests always available
>>
>>  drivers/misc/lkdtm/bugs.c               | 45 +++++++++++++------------
>>  drivers/misc/lkdtm/heap.c               |  9 ++---
>>  drivers/misc/lkdtm/lkdtm.h              |  2 --
>>  drivers/misc/lkdtm/perms.c              | 22 ++++++++----
>>  drivers/misc/lkdtm/usercopy.c           |  7 ++--
>>  tools/testing/selftests/lkdtm/run.sh    |  6 ++++
>>  tools/testing/selftests/lkdtm/tests.txt |  1 +
>>  7 files changed, 56 insertions(+), 36 deletions(-)
>>
>> -- 
>> 2.25.1
>>
> 

>> Regardless, it seems arch/x86/um/asm/desc.h is not needed any more?

> True that, we can rip the file.

Has anyone fixed the uml build errors?

thanks.
-- 
~Randy