Re: [PATCH net] skbuff: in skb_copy_ubufs unclone before releasing zerocopy

2017-12-28 Thread David Miller
From: Willem de Bruijn Date: Thu, 28 Dec 2017 12:38:13 -0500 > From: Willem de Bruijn > > skb_copy_ubufs must unclone before it is safe to modify its > skb_shared_info with skb_zcopy_clear. > > Commit b90ddd568792 ("skbuff: skb_copy_ubufs must release uarg even > without user frags") ensures t

[PATCH net] skbuff: in skb_copy_ubufs unclone before releasing zerocopy

2017-12-28 Thread Willem de Bruijn
From: Willem de Bruijn skb_copy_ubufs must unclone before it is safe to modify its skb_shared_info with skb_zcopy_clear. Commit b90ddd568792 ("skbuff: skb_copy_ubufs must release uarg even without user frags") ensures that all skbs release their zerocopy state, even those without frags. But I f