linux-kernel - Re: [PATCH] selftests/x86: add "ffff8" -- kernel memory scanner

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 29 Oct 2022 09:14:44 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, hpa@...or.com,
        linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH] selftests/x86: add "ffff8" -- kernel memory scanner

On Fri, Oct 28, 2022 at 10:33:49PM +0300, Alexey Dobriyan wrote:
> 
> I've tested it with kernel patch which installs rogue page and it was found.
> 
> 	$ ./a.out -h
> 	usage: ./a.out [-f] [-r] [-n N] [-s S]
> 	        -f: sequential scan
> 	        -r: random scan (default)
> 	        -n: use N threads (default: $(nproc))
> 	        -s: lowest address shift (default: 47)
> 	        -t: time to run (default: 256 seconds)
> 
> Intended usages are:
> 
> 	$ ./a.out -f		# full scan on all cores
> or
> 	$ ./a.out -r -t ...	# time limited random scan for QA test
> 

The executable name is a.out, really?

-- 
An old man doll... just what I always wanted! - Clara

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)