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webrtc: Plug leaks of resolved ICE addresses

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The addresses we get from `resolve_host_finish()` (via
`resolve_host_async()`, `resolve_host_main_cb()`, `on_resolve_host()`,
`g_resolver_lookup_by_name_finish()`) must be freed. Otherwise we leak
memory.

Leak found and confirmed fixed with GCC AddressSanitizer.

Change-Id: If32d24452d626234f01b253b77a7d6d16eac1cee
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4469>
This commit is contained in:
Martin Nordholts 2023-04-19 16:59:01 +02:00 committed by GStreamer Marge Bot
parent b14e675a27
commit 2fed3bf6c4
1 changed files with 4 additions and 0 deletions
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4
subprojects/gst-plugins-bad/gst-libs/gst/webrtc/nice/nice.c
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@ -759,6 +759,8 @@ on_candidate_resolved (GstWebRTCICE * ice, GAsyncResult * res,
}
new_addr = g_inet_address_to_string (addresses->data);
g_resolver_free_addresses (addresses);
addresses = NULL;
new_candv[0] = rc->prefix;
new_candv[1] = new_addr;
@ -1361,6 +1363,8 @@ on_http_proxy_resolved (GstWebRTCICE * ice, GAsyncResult * res,
/* XXX: only the first IP is used */
ip = g_inet_address_to_string (addresses->data);
g_resolver_free_addresses (addresses);
addresses = NULL;
if (!ip) {
GST_ERROR_OBJECT (ice, "failed to resolve host for proxy");