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-rw-r--r--net/core/sock.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index acb0d4137499..2c4f574168fb 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1544,6 +1544,12 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
is_charged = sk_filter_charge(newsk, filter);
if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk, sk))) {
+ /* We need to make sure that we don't uncharge the new
+ * socket if we couldn't charge it in the first place
+ * as otherwise we uncharge the parent's filter.
+ */
+ if (!is_charged)
+ RCU_INIT_POINTER(newsk->sk_filter, NULL);
sk_free_unlock_clone(newsk);
newsk = NULL;
goto out;