Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9a217a1c authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
Browse files

[IPV6]: Repair IPv6 Fragments 



The commit "[IPV6]: Use kmemdup" (commit-id:
af879cc7) broke IPv6 fragments.

Bug was spotted by Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>.

Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5c804bfd

net/ipv6/ip6_output.c

+1 −1
Original line number Diff line number Diff line
@@ -624,13 +624,13 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) 
		skb_shinfo(skb)->frag_list = NULL;

		/* BUILD HEADER */



		*prevhdr = NEXTHDR_FRAGMENT;

		tmp_hdr = kmemdup(skb->nh.raw, hlen, GFP_ATOMIC);

		if (!tmp_hdr) {

			IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);

			return -ENOMEM;

		}



		*prevhdr = NEXTHDR_FRAGMENT;

		__skb_pull(skb, hlen);

		fh = (struct frag_hdr*)__skb_push(skb, sizeof(struct frag_hdr));

		skb->nh.raw = __skb_push(skb, hlen);