Re: [PATCH 2/3] [fs/sysv] V7: Adjust sanity checks for some volumes

[Lubomir Rintel]

On Mon, 2010-07-19 at 16:54 +0200, Christoph Hellwig wrote:

> >  	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.

You're right. In fact this hunk is fixed in a commit that followed it, I
probably incorrectly merged the fixups in git (the latter commit also
had an useless comment change and such).

I'll follow up with a fixed commit tomorrow, since I'm unable to test it
now.

Thanks,
Lubo

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