[IPV6]: Repair IPv6 Fragments
The commit "[IPV6]: Use kmemdup" (commit-id:
af879cc704
) broke IPv6 fragments.
Bug was spotted by Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
5c804bfdcc
commit
9a217a1c7e
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@ -624,13 +624,13 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
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skb_shinfo(skb)->frag_list = NULL;
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/* BUILD HEADER */
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*prevhdr = NEXTHDR_FRAGMENT;
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tmp_hdr = kmemdup(skb->nh.raw, hlen, GFP_ATOMIC);
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if (!tmp_hdr) {
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IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);
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return -ENOMEM;
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}
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*prevhdr = NEXTHDR_FRAGMENT;
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__skb_pull(skb, hlen);
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fh = (struct frag_hdr*)__skb_push(skb, sizeof(struct frag_hdr));
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skb->nh.raw = __skb_push(skb, hlen);
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