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authorNick Mathewson <nickm@torproject.org>2015-06-25 11:14:53 -0400
committerNick Mathewson <nickm@torproject.org>2015-06-25 11:14:53 -0400
commitbd731683070351d640e40f1a4d6320e0fe4b727e (patch)
treebc84acc127e39d972ebc56849e5ac8954fee6428 /src/or/circuituse.c
parent07e1e754f38f1f880cafdb2a9fc421d0105607f3 (diff)
parent1c1d71fe1adf9202a1e0c9e4aa35c2cb7ce1fe7b (diff)
downloadtor-bd731683070351d640e40f1a4d6320e0fe4b727e.tar.gz
tor-bd731683070351d640e40f1a4d6320e0fe4b727e.zip
Merge remote-tracking branch 'origin/maint-0.2.6'
Diffstat (limited to 'src/or/circuituse.c')
-rw-r--r--src/or/circuituse.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/or/circuituse.c b/src/or/circuituse.c
index 69d0f76a1a..572a4f3ed8 100644
--- a/src/or/circuituse.c
+++ b/src/or/circuituse.c
@@ -2423,6 +2423,18 @@ connection_ap_handshake_attach_circuit(entry_connection_t *conn)
return 1;
}
+ /* At this point we need to re-check the state, since it's possible that
+ * our call to circuit_get_open_circ_or_launch() changed the connection's
+ * state from "CIRCUIT_WAIT" to "RENDDESC_WAIT" because we decided to
+ * re-fetch the descriptor.
+ */
+ if (ENTRY_TO_CONN(conn)->state != AP_CONN_STATE_CIRCUIT_WAIT) {
+ log_info(LD_REND, "This connection is no longer ready to attach; its "
+ "state changed."
+ "(We probably have to re-fetch its descriptor.)");
+ return 0;
+ }
+
if (rendcirc && (rendcirc->base_.purpose ==
CIRCUIT_PURPOSE_C_REND_READY_INTRO_ACKED)) {
log_info(LD_REND,