linux-kernel - Re: [PATCH v4 3/7] mtrr, x86: Remove a wrong address check in __mtrr_type

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:	Wed, 6 May 2015 12:46:09 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Toshi Kani <toshi.kani@...com>
Cc:	akpm@...ux-foundation.org, hpa@...or.com, tglx@...utronix.de,
	mingo@...hat.com, linux-mm@...ck.org, x86@...nel.org,
	linux-kernel@...r.kernel.org, dave.hansen@...el.com,
	Elliott@...com, pebolle@...cali.nl
Subject: Re: [PATCH v4 3/7] mtrr, x86: Remove a wrong address check in
 __mtrr_type_lookup()

On Tue, Mar 24, 2015 at 04:08:37PM -0600, Toshi Kani wrote:
> __mtrr_type_lookup() checks MTRR fixed ranges when
> mtrr_state.have_fixed is set and start is less than
> 0x100000.  However, the 'else if (start < 0x1000000)'
> in the code checks with a wrong address as it has
> an extra-zero in the address.  The code still runs
> correctly as this check is meaningless, though.
> 
> This patch replaces the wrong address check with 'else'
> with no condition.
> 
> Signed-off-by: Toshi Kani <toshi.kani@...com>
> ---
>  arch/x86/kernel/cpu/mtrr/generic.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--
--
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/