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authorNick Mathewson <nickm@torproject.org>2017-10-23 15:55:48 -0400
committerNick Mathewson <nickm@torproject.org>2017-10-23 15:55:48 -0400
commitb1d6cf2508e57c98017412446024c9dd6587fe63 (patch)
treee2eaf121f9a87a4a957a528f15ab57b01adeb984
parent8b8d501040946bb2280a9640f91a55b7f17b03e3 (diff)
parentf0a6ea0bfd6afaa718c6b3d521a5d195d47ba56d (diff)
downloadtor-b1d6cf2508e57c98017412446024c9dd6587fe63.tar.gz
tor-b1d6cf2508e57c98017412446024c9dd6587fe63.zip
Merge branch 'maint-0.3.1' into maint-0.3.2
-rw-r--r--changes/bug238743
-rw-r--r--src/or/nodelist.c5
2 files changed, 8 insertions, 0 deletions
diff --git a/changes/bug23874 b/changes/bug23874
new file mode 100644
index 0000000000..bf6620553d
--- /dev/null
+++ b/changes/bug23874
@@ -0,0 +1,3 @@
+ o Minor bugfixes (memory safety):
+ - Clear the address when node_get_prim_orport() returns early.
+ Fixes bug 23874; bugfix on 0.2.8.2-alpha.
diff --git a/src/or/nodelist.c b/src/or/nodelist.c
index eae74e18b5..0743be1802 100644
--- a/src/or/nodelist.c
+++ b/src/or/nodelist.c
@@ -1435,6 +1435,11 @@ node_get_prim_orport(const node_t *node, tor_addr_port_t *ap_out)
node_assert_ok(node);
tor_assert(ap_out);
+ /* Clear the address, as a safety precaution if calling functions ignore the
+ * return value */
+ tor_addr_make_null(&ap_out->addr, AF_INET);
+ ap_out->port = 0;
+
/* Check ri first, because rewrite_node_address_for_bridge() updates
* node->ri with the configured bridge address. */