4.4-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit dcb94b88c09ce82a80e188d49bcffdc83ba215a6 ]
IPv6 ping socket error handler doesn't correctly convert the new 32 bit mtu to host endianness before using.
Cc: Lorenzo Colitti lorenzo@google.com Fixes: 6d0bfe22611602f ("net: ipv6: Add IPv6 support to the ping socket.") Signed-off-by: Hannes Frederic Sowa hannes@stressinduktion.org Acked-by: Lorenzo Colitti lorenzo@google.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- net/ipv6/icmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 0a37ddc7af51..3697cd08c515 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -98,7 +98,7 @@ static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (!(type & ICMPV6_INFOMSG_MASK)) if (icmp6->icmp6_type == ICMPV6_ECHO_REQUEST) - ping_err(skb, offset, info); + ping_err(skb, offset, ntohl(info)); }
static int icmpv6_rcv(struct sk_buff *skb);