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D28656.diff
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diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -785,6 +785,10 @@
#endif
hdrlen = sizeof (struct tcpiphdr);
+ if (flags & TH_SYN) {
+ tp->snd_nxt = tp->iss;
+ }
+
/*
* Compute options for segment.
* We only have to care about SYN and established connection
@@ -795,7 +799,6 @@
if ((tp->t_flags & TF_NOOPT) == 0) {
/* Maximum segment size. */
if (flags & TH_SYN) {
- tp->snd_nxt = tp->iss;
to.to_mss = tcp_mssopt(&tp->t_inpcb->inp_inc);
to.to_flags |= TOF_MSS;
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D28656.diff (578 B)
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D28656: Fix SEG.SEQ in SYN.ACK when handling SYN in SYN-SENT on socket with TCP_NOOPT enabled.
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