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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec

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Steffen Klassert says:

====================
pull request (net): ipsec 2018-05-07

1) Always verify length of provided sadb_key to fix a
   slab-out-of-bounds read in pfkey_add. From Kevin Easton.

2) Make sure that all states are really deleted
   before we check that the state lists are empty.
   Otherwise we trigger a warning.

3) Fix MTU handling of the VTI6 interfaces on
   interfamily tunnels. From Stefano Brivio.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2018-05-07 23:51:30 -04:00
parent 080324c36a b4331a6818
commit 1822f638e8
5 changed files with 47 additions and 12 deletions
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4
net/ipv6/ip6_vti.c
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@@ -669,7 +669,7 @@ static void vti6_link_config(struct ip6_tnl *t, bool keep_mtu)
else
mtu = ETH_DATA_LEN - LL_MAX_HEADER - sizeof(struct ipv6hdr);
dev->mtu = max_t(int, mtu, IPV6_MIN_MTU);
dev->mtu = max_t(int, mtu, IPV4_MIN_MTU);
}
/**
@@ -881,7 +881,7 @@ static void vti6_dev_setup(struct net_device *dev)
dev->priv_destructor = vti6_dev_free;
dev->type = ARPHRD_TUNNEL6;
dev->min_mtu = IPV6_MIN_MTU;
dev->min_mtu = IPV4_MIN_MTU;
dev->max_mtu = IP_MAX_MTU - sizeof(struct ipv6hdr);
dev->flags |= IFF_NOARP;
dev->addr_len = sizeof(struct in6_addr);

3
net/ipv6/xfrm6_tunnel.c
View File

@@ -341,6 +341,9 @@ static void __net_exit xfrm6_tunnel_net_exit(struct net *net)
struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net);
unsigned int i;
xfrm_state_flush(net, IPSEC_PROTO_ANY, false);
xfrm_flush_gc();
for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++)
WARN_ON_ONCE(!hlist_empty(&xfrm6_tn->spi_byaddr[i]));