From: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
To: Ryusuke Konishi
<konishi.ryusuke-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
Cc: xi.wang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
haogangchen-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH] nilfs2: avoid overflowing segment numbers in nilfs_ioctl_clean_segments()
Date: Fri, 3 Feb 2012 20:36:05 -0800 [thread overview]
Message-ID: <20120203203605.da735392.akpm@linux-foundation.org> (raw)
In-Reply-To: <20120204.121302.227986518.ryusuke-sG5X7nlA6pw@public.gmane.org>
On Sat, 04 Feb 2012 12:13:02 +0900 (JST) Ryusuke Konishi <konishi.ryusuke-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org> wrote:
> On Fri, 3 Feb 2012 10:26:07 -0500, Xi Wang wrote:
> > nsegs is read from userspace. Limit its value and avoid overflowing
> > nsegs * sizeof(__u64) in the subsequent call to memdup_user().
> >
> > This patch complements 481fe17e973fb97aa3edf17c69557afe88d8334f.
> >
> > Signed-off-by: Xi Wang <xi.wang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > Cc: Haogang Chen <haogangchen-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > Cc: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
> > ---
> > fs/nilfs2/ioctl.c | 2 ++
> > 1 files changed, 2 insertions(+), 0 deletions(-)
>
> Acked-by: Ryusuke Konishi <konishi.ryusuke-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
>
>
> Thank you for posting this fix.
>
> Andrew, could you send this uptream in this cycle ?
I sure can.
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WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: xi.wang@gmail.com, linux-nilfs@vger.kernel.org,
linux-kernel@vger.kernel.org, haogangchen@gmail.com
Subject: Re: [PATCH] nilfs2: avoid overflowing segment numbers in nilfs_ioctl_clean_segments()
Date: Fri, 3 Feb 2012 20:36:05 -0800 [thread overview]
Message-ID: <20120203203605.da735392.akpm@linux-foundation.org> (raw)
In-Reply-To: <20120204.121302.227986518.ryusuke@osrg.net>
On Sat, 04 Feb 2012 12:13:02 +0900 (JST) Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> wrote:
> On Fri, 3 Feb 2012 10:26:07 -0500, Xi Wang wrote:
> > nsegs is read from userspace. Limit its value and avoid overflowing
> > nsegs * sizeof(__u64) in the subsequent call to memdup_user().
> >
> > This patch complements 481fe17e973fb97aa3edf17c69557afe88d8334f.
> >
> > Signed-off-by: Xi Wang <xi.wang@gmail.com>
> > Cc: Haogang Chen <haogangchen@gmail.com>
> > Cc: Andrew Morton <akpm@linux-foundation.org>
> > ---
> > fs/nilfs2/ioctl.c | 2 ++
> > 1 files changed, 2 insertions(+), 0 deletions(-)
>
> Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
>
>
> Thank you for posting this fix.
>
> Andrew, could you send this uptream in this cycle ?
I sure can.
next prev parent reply other threads:[~2012-02-04 4:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-03 15:26 [PATCH] nilfs2: avoid overflowing segment numbers in nilfs_ioctl_clean_segments() Xi Wang
2012-02-03 15:26 ` Xi Wang
[not found] ` <1328282767-13158-1-git-send-email-xi.wang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-02-04 3:13 ` Ryusuke Konishi
2012-02-04 3:13 ` Ryusuke Konishi
[not found] ` <20120204.121302.227986518.ryusuke-sG5X7nlA6pw@public.gmane.org>
2012-02-04 4:36 ` Andrew Morton [this message]
2012-02-04 4:36 ` Andrew Morton
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