It was reported that IPsec would crash when it encounters an IPv6
reassembled packet because skb->sk is non-zero and not a valid
pointer.
This is because skb->sk is now a union with ip_defrag_offset.
This patch fixes this by resetting skb->sk when exiting from
the reassembly code.
Reported-by: Xiumei Mu <x...@redhat.com>
Fixes: 219badfaade9 ("ipv6: frags: get rid of ip6frag_skb_cb/...")
Signed-off-by: Herbert Xu <herb...@gondor.apana.org.au>
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 5c3c92713096..a98f95fb6eac 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -378,6 +378,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct
sk_buff *prev,
if (skb_try_coalesce(head, fp, &headstolen, &delta)) {
kfree_skb_partial(fp, headstolen);
} else {
+ fp->sk = NULL;
if (!skb_shinfo(head)->frag_list)
skb_shinfo(head)->frag_list = fp;
head->data_len += fp->len;
--
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
