net: Properly unlink GRO packets on overflow.

Just like with normal GRO processing, we have to initialize
skb->next to NULL when we unlink overflow packets from the
GRO hash lists.

Fixes: d4546c2509 ("net: Convert GRO SKB handling to list_head.")
Reported-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-10-28 10:35:12 -07:00
parent 6788fac820
commit ece23711dd

View file

@ -5457,7 +5457,7 @@ static void gro_flush_oldest(struct list_head *head)
/* Do not adjust napi->gro_hash[].count, caller is adding a new
* SKB to the chain.
*/
list_del(&oldest->list);
skb_list_del_init(oldest);
napi_gro_complete(oldest);
}