4.19-stable review patch. If anyone has any objections, please let me know.
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From: "David S. Miller" davem@davemloft.net
[ Upstream commti ece23711dd956cd5053c9cb03e9fe0668f9c8894 ]
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: d4546c2509b1 ("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 --- net/core/dev.c | 1 + 1 file changed, 1 insertion(+)
--- a/net/core/dev.c +++ b/net/core/dev.c @@ -5431,6 +5431,7 @@ static void gro_flush_oldest(struct list * SKB to the chain. */ list_del(&oldest->list); + oldest->next = NULL; napi_gro_complete(oldest); }