On Thu, Jun 8, 2017 at 11:35 AM, Willem de Bruijn <willemdebruijn.ker...@gmail.com> wrote: > > From: Willem de Bruijn <will...@google.com> > > When inheriting tx_flags from one skbuff to another, always apply a > mask to avoid overwriting unrelated other bits in the field. > > The two SKBTX_SHARED_FRAG cases clears all other bits. In practice, > tx_flags are zero at this point now. But this is fragile. Timestamp > flags are set, for instance, if in tcp_gso_segment, after this clear > in skb_segment. > > The SKBTX_ANY_TSTAMP mask in __skb_tstamp_tx ensures that new > skbs do not accidentally inherit flags such as SKBTX_SHARED_FRAG. > > Signed-off-by: Willem de Bruijn <will...@google.com>
Acked-by: Soheil Hassas Yeganeh <soh...@google.com>
