If we start/stop reading on a dnsserv connection, don't assert.

Fixes bug 16248. Patch from cypherpunks.  Bugfix on 0.2.0.1-alpha.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/or/main.c b/src/or/main.c
index 534a6acc51..3fb80e1759 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -578,6 +578,12 @@ connection_stop_reading,(connection_t *conn))
       return;
   });
 
+  /* if dummy conn then no socket and no event, nothing to do here */
+  if (conn->type == CONN_TYPE_AP && TO_EDGE_CONN(conn)->is_dns_request) {
+    tor_assert(!conn->read_event);
+    return;
+  }
+
   tor_assert(conn->read_event);
 
   if (conn->linked) {
@@ -603,6 +609,12 @@ connection_start_reading,(connection_t *conn))
       return;
   });
 
+  /* if dummy conn then no socket and no event, nothing to do here */
+  if (conn->type == CONN_TYPE_AP && TO_EDGE_CONN(conn)->is_dns_request) {
+    tor_assert(!conn->read_event);
+    return;
+  }
+
   tor_assert(conn->read_event);
 
   if (conn->linked) {