linux-kernel - Re: [PATCH v2] sparc64: Fix gup_huge

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] [day] [month] [year] [list]

Date:   Sun, 25 Jun 2017 15:24:34 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     nitin.m.gupta@...cle.com
Cc:     julian.calaby@...il.com, lstoakes@...il.com, jack@...e.cz,
        mhocko@...e.com, sparclinux@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] sparc64: Fix gup_huge_pmd

From: Nitin Gupta <nitin.m.gupta@...cle.com>
Date: Thu, 22 Jun 2017 17:15:08 -0700

> The function assumes that each PMD points to head of a
> huge page. This is not correct as a PMD can point to
> start of any 8M region with a, say 256M, hugepage. The
> fix ensures that it points to the correct head of any PMD
> huge page.
> 
> Cc: Julian Calaby <julian.calaby@...il.com>
> Signed-off-by: Nitin Gupta <nitin.m.gupta@...cle.com>
> ---
>  Changes since v1
>  - Clarify use of 'head' variable (Julian Calaby)

Applied and queued up for -stable, thanks.