D8211.1792439495.diff
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D8211.1792439495.diff
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	Index: sys/netinet/tcp_input.c
	===================================================================
	--- sys/netinet/tcp_input.c
	+++ sys/netinet/tcp_input.c
	@@ -921,6 +921,16 @@
	goto dropwithreset;
	}
	INP_WLOCK_ASSERT(inp);
	+ /*
	+ * While waiting for inp lock during the lookup, another thread
	+ * can have droppedt the inpcb, in which case we need to loop back
	+ * and try to find a new inpcb to deliver to.
	+ */
	+ if (inp->inp_flags & INP_DROPPED) {
	+ INP_WUNLOCK(inp);
	+ inp = NULL;
	+ goto findpcb;
	+ }
	if ((inp->inp_flowtype == M_HASHTYPE_NONE) &&
	(M_HASHTYPE_GET(m) != M_HASHTYPE_NONE) &&
	((inp->inp_socket == NULL) \|\|
	@@ -981,6 +991,10 @@
	if (in_pcbrele_wlocked(inp)) {
	inp = NULL;
	goto findpcb;
	+ } else if (inp->inp_flags & INP_DROPPED) {
	+ INP_WUNLOCK(inp);
	+ inp = NULL;
	+ goto findpcb;
	}
	} else
	ti_locked = TI_RLOCKED;
	@@ -1040,6 +1054,10 @@
	if (in_pcbrele_wlocked(inp)) {
	inp = NULL;
	goto findpcb;
	+ } else if (inp->inp_flags & INP_DROPPED) {
	+ INP_WUNLOCK(inp);
	+ inp = NULL;
	+ goto findpcb;
	}
	goto relocked;
	} else