>  	if (fs16_to_cpu(sbi, v7sb->s_nfree) > V7_NICFREE ||
quoted text
>  	    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.

quoted text
>  	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.

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