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authorBalazs Nemeth <bnemeth@redhat.com>2021-03-09 12:31:01 +0100
committerDavid S. Miller <davem@davemloft.net>2021-03-10 01:12:20 +0100
commitd348ede32e99d3a04863e9f9b28d224456118c27 (patch)
treeaa561ac181147df2e9c5b52ed67706e2e26ba9c9 /drivers/mfd/act8945a.c
parentnet: check if protocol extracted by virtio_net_hdr_set_proto is correct (diff)
downloadlinux-d348ede32e99d3a04863e9f9b28d224456118c27.tar.xz
linux-d348ede32e99d3a04863e9f9b28d224456118c27.zip
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
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 <bnemeth@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/mfd/act8945a.c')
0 files changed, 0 insertions, 0 deletions