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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Duane Griffin <duaneg@dghda.com>
Cc: Evgeniy Dushistov <dushistov@mail.ru>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] ufs: don't truncate longer ufs2 fast symlinks
Date: Thu, 1 Jan 2009 02:32:32 +0000	[thread overview]
Message-ID: <20090101023232.GC28946@ZenIV.linux.org.uk> (raw)
In-Reply-To: <1230742208-23972-2-git-send-email-duaneg@dghda.com>

On Wed, Dec 31, 2008 at 04:50:06PM +0000, Duane Griffin wrote:
>  	} else {
> -		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
> +		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4 * 2; i++)
>  			ufsi->i_u1.i_symlink[i] = ufs2_inode->ui_u2.ui_symlink[i];

a) that probably ought to be a memcpy()
b) max len is superblock parameter and you've even validated it.  Why don't
you use it?

> -		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
> +		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4 * 2; i++)
>  			ufs_inode->ui_u2.ui_symlink[i] = ufsi->i_u1.i_symlink[i];

Ditto.

  parent reply	other threads:[~2009-01-01  2:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-31 16:50 [PATCH 1/4] ufs: validate maximum fast symlink size from superblock Duane Griffin
2008-12-31 16:50 ` [PATCH 2/4] ufs: don't truncate longer ufs2 fast symlinks Duane Griffin
2008-12-31 16:50   ` [PATCH 3/4] ufs: ensure fast symlinks are NUL-terminated Duane Griffin
2008-12-31 16:50     ` [PATCH 4/4] ufs: copy symlink data into the correct union member Duane Griffin
2009-01-01  2:36       ` Al Viro
2009-01-02 14:17         ` Duane Griffin
2009-01-01  2:32   ` Al Viro [this message]
2009-01-02 14:09     ` [PATCH 2/4] ufs: don't truncate longer ufs2 fast symlinks Duane Griffin
2009-01-04 19:15 ` [PATCH 1/4] ufs: validate maximum fast symlink size from superblock Evgeniy Dushistov

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