On Wed, May 15, 2019 at 9:24 AM David Miller <da...@davemloft.net> wrote:
>
> From: Eric Dumazet <eduma...@google.com>
> Date: Wed, 15 May 2019 09:10:15 -0700
>
> > It is illegal to change arbitrary fields in skb_shared_info if the
> > skb is cloned.
> >
> > Before calling skb_zcopy_clear() we need to ensure this rule,
> > therefore we need to move the test from sk_stream_alloc_skb()
> > to sk_wmem_free_skb()
> >
> > Fixes: 4f661542a402 ("tcp: fix zerocopy and notsent_lowat issues")
> > Signed-off-by: Eric Dumazet <eduma...@google.com>
> > Diagnosed-by: Willem de Bruijn <will...@google.com>
>
> Applied and queued up for -stable.Note the patch targets current net tree, but does not need to be backported to older kernel versions (4f661542a402 is only in upcoming 5.2) Thanks !
