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From: Christoph Hellwig <hch@lst.de>
To: Lubomir Rintel <lkundrak@v3.sk>
Cc: Christoph Hellwig <hch@lst.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 2/3] [fs/sysv] V7: Adjust sanity checks for some volumes
Date: Mon, 19 Jul 2010 16:54:57 +0200	[thread overview]
Message-ID: <20100719145457.GC25279@lst.de> (raw)
In-Reply-To: <1279559802-19154-3-git-send-email-lkundrak@v3.sk>

>  	if (fs16_to_cpu(sbi, v7sb->s_nfree) > V7_NICFREE ||
>  	    fs16_to_cpu(sbi, v7sb->s_ninode) > V7_NICINOD ||
> -	    fs32_to_cpu(sbi, v7sb->s_time) == 0)
> -		goto failed;
> +	    fs32_to_cpu(sbi, v7sb->s_fsize) > V7_MAXSIZE)
> +		return 0;

Ok.

>  	v7i = (struct sysv_inode *)(bh2->b_data + 64);
>  	if ((fs16_to_cpu(sbi, v7i->i_mode) & ~0777) != S_IFDIR ||
>  	    (fs32_to_cpu(sbi, v7i->i_size) == 0) ||
> -	    (fs32_to_cpu(sbi, v7i->i_size) & 017) != 0)
> +	    (fs32_to_cpu(sbi, v7i->i_size) & 017)
> +	    (fs32_to_cpu(sbi, v7i->i_size) > V7_NFILES *
> +	     sizeof (struct sysv_dir_entry))) {

Maybe I'm missing something, but without and additional || on the
first line you added this doesn't look like it will compile.


  reply	other threads:[~2010-07-19 14:55 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-19 17:16 A few V7 fs improvements Lubomir Rintel
2010-07-19 14:53 ` Christoph Hellwig
2010-07-19 16:10 ` Bill Davidsen
2010-07-19 17:16 ` [PATCH 1/3] [fs/sysv] Add v7 alias Lubomir Rintel
2010-07-19 14:53   ` Christoph Hellwig
2010-07-19 17:16   ` [PATCH 2/3] [fs/sysv] V7: Adjust sanity checks for some volumes Lubomir Rintel
2010-07-19 14:54     ` Christoph Hellwig [this message]
2010-07-20 10:31       ` Lubomir Rintel
2010-07-22  1:11         ` [PATCH] " Lubomir Rintel
2010-07-19 17:16     ` [PATCH 3/3] [fs/sysv] V7: Add support for non-PDP11 v7 filesystems Lubomir Rintel
2010-07-19 14:58       ` Christoph Hellwig
2010-07-20 10:41         ` Lubomir Rintel
2010-07-22  1:17           ` Lubomir Rintel
2010-07-22  1:18             ` [PATCH] " Lubomir Rintel
2010-07-24 13:51         ` [PATCH 3/3] [fs/sysv] " Al Viro
2010-07-25 22:59           ` [PATCH] " Lubomir Rintel
2010-07-26  0:26             ` Randy Dunlap
2010-07-26 23:52             ` Andrew Morton
2010-07-27  0:19               ` Lubomir Rintel
2010-07-27  0:29                 ` Andrew Morton
2010-07-25  5:23 ` A few V7 fs improvements Artem Bityutskiy

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