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ipv6: record frag_max_size in atomic fragments in input path
[ Upstream commite29f011e8f
] Commitdbd1759e6a
("ipv6: on reassembly, record frag_max_size") filled the frag_max_size field in IP6CB in the input path. The field should also be filled in case of atomic fragments. Fixes:dbd1759e6a
('ipv6: on reassembly, record frag_max_size') Signed-off-by: Francesco Ruggeri <fruggeri@arista.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 3 additions and 1 deletions
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@ -347,7 +347,7 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
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hdr = ipv6_hdr(skb);
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fhdr = (struct frag_hdr *)skb_transport_header(skb);
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if (!(fhdr->frag_off & htons(0xFFF9))) {
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if (!(fhdr->frag_off & htons(IP6_OFFSET | IP6_MF))) {
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/* It is not a fragmented frame */
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skb->transport_header += sizeof(struct frag_hdr);
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__IP6_INC_STATS(net,
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@ -355,6 +355,8 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
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IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb);
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IP6CB(skb)->flags |= IP6SKB_FRAGMENTED;
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IP6CB(skb)->frag_max_size = ntohs(hdr->payload_len) +
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sizeof(struct ipv6hdr);
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return 1;
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}
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