From: Pavel Emelyanov <[EMAIL PROTECTED]>
Date: Fri, 22 Feb 2008 12:37:03 +0300
> The neigh_hash_grow() may update the tbl->hash_rnd value, which
> is used in all tbl->hash callbacks to calculate the hashval.
>
> Two lookup routines may race with this, since they call the
> ->hash callback with
The neigh_hash_grow() may update the tbl->hash_rnd value, which
is used in all tbl->hash callbacks to calculate the hashval.
Two lookup routines may race with this, since they call the
->hash callback without the tbl->lock held. Since the hash_rnd
is changed with this lock write-locked moving th