linux-kernel - Re: [PATCH RESEND] ceph: avoid panic with mismatched symlink sizes in fill

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Date:	Fri, 03 Feb 2012 14:24:32 -0600
From:	Alex Elder <elder@...amhost.com>
To:	Xi Wang <xi.wang@...il.com>
Cc:	Sage Weil <sage@...dream.net>, ceph-devel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND] ceph: avoid panic with mismatched symlink sizes
 in fill_inode()

On Fri, 2012-02-03 at 09:55 -0500, Xi Wang wrote:
> Return -EINVAL rather than panic if iinfo->symlink_len and
> inode->i_size do not match.
> 
> Also use kstrndup rather than kmalloc/memcpy.
> 
> Signed-off-by: Xi Wang <xi.wang@...il.com>

Looks good, though it might good to at least call
WARN_ON().  What do you think?

I will commit this (either with or without the
WARN_ON()).

Reviewed-by: Alex Elder <elder@...amhost.com>


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