linux-kernel - Re: [PATCH] DRBG: fix bit shifting on 32 bit systems

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:	Tue, 26 Aug 2014 09:37:13 +0200
From:	Stephan Mueller <smueller@...onox.de>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] DRBG: fix bit shifting on 32 bit systems

Am Dienstag, 26. August 2014, 15:32:19 schrieb Herbert Xu:

Hi Herbert,

> On Tue, Aug 26, 2014 at 09:31:02AM +0200, Stephan Mueller wrote:
> > Use ULL to mark a 64 bit value.
> > 
> > Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> > Reported-by: kbuild test robot <fengguang.wu@...el.com>
> > Signed-off-by: Stephan Mueller <smueller@...onox.de>
> 
> I don't think this works as size_t is still 32-bit which means
> that you'll return zero.

Oops, yes. Thank you for catching this. I guess I need __u64 for this value. A 
patch will come shortly.
> 
> Cheers,


-- 
Ciao
Stephan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/