adding missing rcu_read_unlock in ipxip6_rcv
commit8d79266bc4
("ip6_tunnel: add collect_md mode to IPv6 tunnels") introduced new exit point in ipxip6_rcv. however rcu_read_unlock is missing there. this diff is fixing this v1->v2: instead of doing rcu_read_unlock in place, we are going to "drop" section (to prevent skb leakage) Fixes:8d79266bc4
("ip6_tunnel: add collect_md mode to IPv6 tunnels") Signed-off-by: Nikita V. Shirokov <tehnerd@fb.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -904,7 +904,7 @@ static int ipxip6_rcv(struct sk_buff *skb, u8 ipproto,
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if (t->parms.collect_md) {
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tun_dst = ipv6_tun_rx_dst(skb, 0, 0, 0);
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if (!tun_dst)
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return 0;
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goto drop;
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}
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ret = __ip6_tnl_rcv(t, skb, tpi, tun_dst, dscp_ecn_decapsulate,
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log_ecn_error);
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