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D49347.diff
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D49347.diff

diff --git a/sys/netpfil/pf/pf.c b/sys/netpfil/pf/pf.c
--- a/sys/netpfil/pf/pf.c
+++ b/sys/netpfil/pf/pf.c
@@ -7905,6 +7905,7 @@
struct tcphdr th;
u_int32_t seq;
struct pf_state_peer *src, *dst;
+ u_int16_t dummy_cksum = 0;
u_int8_t dws;
int copyback = 0;
@@ -8026,10 +8027,10 @@
nk->af))
return (PF_DROP);
pf_change_ap(pd->m, pd2.src, &th.th_sport,
- pd->ip_sum, &th.th_sum, &nk->addr[pd2.sidx],
+ pd->ip_sum, &dummy_cksum, &nk->addr[pd2.sidx],
nk->port[sidx], 1, pd->af, nk->af);
pf_change_ap(pd->m, pd2.dst, &th.th_dport,
- pd->ip_sum, &th.th_sum, &nk->addr[pd2.didx],
+ pd->ip_sum, &dummy_cksum, &nk->addr[pd2.didx],
nk->port[didx], 1, pd->af, nk->af);
m_copyback(pd2.m, pd2.off, 8, (c_caddr_t)&th);
PF_ACPY(&pd->nsaddr, &nk->addr[pd2.sidx],

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