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    Subject[PATCH 3.18 106/145] ipv4: mask tos for input route
    Date
    3.18-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Julian Anastasov <ja@ssi.bg>

    commit 6e28099d38c0e50d62c1afc054e37e573adf3d21 upstream.

    Restore the lost masking of TOS in input route code to
    allow ip rules to match it properly.

    Problem [1] noticed by Shmulik Ladkani <shmulik.ladkani@gmail.com>

    [1] http://marc.info/?t=137331755300040&r=1&w=2

    Fixes: 89aef8921bfb ("ipv4: Delete routing cache.")
    Signed-off-by: Julian Anastasov <ja@ssi.bg>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    net/ipv4/route.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/net/ipv4/route.c
    +++ b/net/ipv4/route.c
    @@ -1835,6 +1835,7 @@ int ip_route_input_noref(struct sk_buff
    {
    int res;

    + tos &= IPTOS_RT_MASK;
    rcu_read_lock();

    /* Multicast recognition logic is moved from route cache to here.

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