inetpeer: Use correct AVL tree base pointer in inet_getpeer().

Family was hard-coded to AF_INET but should be daddr->family.

This fixes crashes when unlinking ipv6 peer entries, since the
unlink code was looking up the base pointer properly.

Reported-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index d9bc85751c74c7376568fb2b59da450658b1afd5..a96e65674ac3e694e8e70fec1855324a694ccbf3 100644 (file)
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -475,7 +475,7 @@ static int cleanup_once(unsigned long ttl)
 struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create)
 {
        struct inet_peer __rcu **stack[PEER_MAXDEPTH], ***stackptr;
-       struct inet_peer_base *base = family_to_base(AF_INET);
+       struct inet_peer_base *base = family_to_base(daddr->family);
        struct inet_peer *p;
 
        /* Look up for the address quickly, lockless.