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authorNick Mathewson <nickm@torproject.org>2020-10-07 08:08:01 -0400
committerNick Mathewson <nickm@torproject.org>2020-10-07 08:08:01 -0400
commit902944448206d359d3f799ecf8a504bdff493272 (patch)
treec46df73622345c3331ab15590055db456b41a01d
parent8a561fc5bfc48b3d849d62b266d323f98d509a50 (diff)
parente0e0ef713e96a196782fec754b11874675263c04 (diff)
downloadtor-902944448206d359d3f799ecf8a504bdff493272.tar.gz
tor-902944448206d359d3f799ecf8a504bdff493272.zip
Merge branch 'maint-0.3.5' into maint-0.4.3
-rw-r--r--changes/ticket400733
-rw-r--r--src/core/mainloop/connection.c9
2 files changed, 11 insertions, 1 deletions
diff --git a/changes/ticket40073 b/changes/ticket40073
new file mode 100644
index 0000000000..30b028c042
--- /dev/null
+++ b/changes/ticket40073
@@ -0,0 +1,3 @@
+ o Minor bugfixes (relay configuration, crash):
+ - Avoid a fatal assert() when failing to create a listener connection for an
+ address that was in use. Fixes bug 40073; bugfix on 0.3.5.1-alpha.
diff --git a/src/core/mainloop/connection.c b/src/core/mainloop/connection.c
index 57b48d49f3..268c7a70be 100644
--- a/src/core/mainloop/connection.c
+++ b/src/core/mainloop/connection.c
@@ -3043,7 +3043,14 @@ retry_all_listeners(smartlist_t *new_conns, int close_all_noncontrol)
&skip, &addr_in_use);
}
- tor_assert(new_conn);
+ /* There are many reasons why we can't open a new listener port so in case
+ * we hit those, bail early so tor can stop. */
+ if (!new_conn) {
+ log_warn(LD_NET, "Unable to create listener port: %s:%d",
+ fmt_addr(&r->new_port->addr), r->new_port->port);
+ retval = -1;
+ break;
+ }
smartlist_add(new_conns, new_conn);