On 3/9/21 4:31 AM, Balazs Nemeth wrote:
> A packet with skb_inner_network_header(skb) == skb_network_header(skb)
> and ETH_P_MPLS_UC will prevent mpls_gso_segment from pulling any headers
> from the packet. Subsequently, the call to skb_mac_gso_segment will
> again call mpls_gso_segment with the same packet leading to an infinite
> loop. In addition, ensure that the header length is a multiple of four,
> which should hold irrespective of the number of stacked labels.
> 
> Signed-off-by: Balazs Nemeth <bnem...@redhat.com>
> ---
>  net/mpls/mpls_gso.c | 3 +++
>  1 file changed, 3 insertions(+)
> 


Reviewed-by: David Ahern <dsah...@kernel.org>

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