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net: Properly unlink GRO packets on overflow.

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[ Upstream commti ece23711dd ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David S. Miller 2018-10-28 10:35:12 -07:00 committed by Greg Kroah-Hartman
parent 54d6a82d05
commit 89e5f2d921
1 changed files with 1 additions and 0 deletions
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net/core/dev.c
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@ -5431,6 +5431,7 @@ static void gro_flush_oldest(struct list_head *head)
* SKB to the chain.
*/
list_del(&oldest->list);
oldest->next = NULL;
napi_gro_complete(oldest);
}