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SubjectRe: Bad ext3/nfs DoS bug
> +EXPORT_SYMBOL_GPL(export_iget);
...
> +static struct dentry *ext3_get_dentry(struct super_block *sb, void *vobjp)
> +{
> + __u32 *objp = vobjp;
> + unsigned long ino = objp[0];
> + __u32 generation = objp[1];
> +
> + if (ino != EXT3_ROOT_INO && ino < EXT3_FIRST_INO(sb))
> + return ERR_PTR(-ESTALE);
> +
> + return export_iget(sb, ino, generation);
> +}

Hm, with this, ext3.ko has a new dependency on exportfs.ko. Is that
desirable/acceptable?
-Eric
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