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ipv6: Fix leak in ipv6_gso_segment().
If ip6_find_1stfragopt() fails and we return an error we have to free
up 'segs' because nobody else is going to.
Fixes: 2423496af3
("ipv6: Prevent overrun when parsing v6 header options")
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -116,8 +116,10 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
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if (udpfrag) {
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int err = ip6_find_1stfragopt(skb, &prevhdr);
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if (err < 0)
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if (err < 0) {
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kfree_skb_list(segs);
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return ERR_PTR(err);
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}
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fptr = (struct frag_hdr *)((u8 *)ipv6h + err);
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fptr->frag_off = htons(offset);
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if (skb->next)
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