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Date: Mon, 18 May 2020 08:59:56 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Boris Sukholitko <boris.sukholitko@...adcom.com>, netdev@...r.kernel.org Subject: Re: [PATCH net] __netif_receive_skb_core: pass skb by reference On 5/18/20 2:01 AM, Boris Sukholitko wrote: > __netif_receive_skb_core may change the skb pointer passed into it (e.g. > in rx_handler). The original skb may be freed as a result of this > operation. > > The callers of __netif_receive_skb_core may further process original skb > by using pt_prev pointer returned by __netif_receive_skb_core thus > leading to unpleasant effects. > > The solution is to pass skb by reference into __netif_receive_skb_core. > > Signed-off-by: Boris Sukholitko <boris.sukholitko@...adcom.com> Please provide a Fixes: tag for such a scary patch. Thanks.
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