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-rw-r--r--net/netfilter/nf_conntrack_core.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index b0b06c7a9483..7508f11c5b39 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -335,7 +335,8 @@ begin:
335 h = __nf_conntrack_find(net, tuple); 335 h = __nf_conntrack_find(net, tuple);
336 if (h) { 336 if (h) {
337 ct = nf_ct_tuplehash_to_ctrack(h); 337 ct = nf_ct_tuplehash_to_ctrack(h);
338 if (unlikely(!atomic_inc_not_zero(&ct->ct_general.use))) 338 if (unlikely(nf_ct_is_dying(ct) ||
339 !atomic_inc_not_zero(&ct->ct_general.use)))
339 h = NULL; 340 h = NULL;
340 else { 341 else {
341 if (unlikely(!nf_ct_tuple_equal(tuple, &h->tuple))) { 342 if (unlikely(!nf_ct_tuple_equal(tuple, &h->tuple))) {
@@ -510,7 +511,8 @@ static noinline int early_drop(struct net *net, unsigned int hash)
510 cnt++; 511 cnt++;
511 } 512 }
512 513
513 if (ct && unlikely(!atomic_inc_not_zero(&ct->ct_general.use))) 514 if (ct && unlikely(nf_ct_is_dying(ct) ||
515 !atomic_inc_not_zero(&ct->ct_general.use)))
514 ct = NULL; 516 ct = NULL;
515 if (ct || cnt >= NF_CT_EVICTION_RANGE) 517 if (ct || cnt >= NF_CT_EVICTION_RANGE)
516 break; 518 break;