4.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Mike Rapoport rppt@linux.vnet.ibm.com
[ Upstream commit 7abab7b9b498650404800a08765f44929fee8f31 ]
The fib6_info_alloc() function allocates percpu memory to hold per CPU pointers to rt6_info, but this memory is never freed. Fix it.
Fixes: a64efe142f5e ("net/ipv6: introduce fib6_info struct and helpers") Signed-off-by: Mike Rapoport rppt@linux.vnet.ibm.com Reviewed-by: David Ahern dsahern@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/ipv6/ip6_fib.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -196,6 +196,8 @@ void fib6_info_destroy_rcu(struct rcu_he *ppcpu_rt = NULL; } } + + free_percpu(f6i->rt6i_pcpu); }
lwtstate_put(f6i->fib6_nh.nh_lwtstate);