From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
When both controller and target roles are supported by a device they
would share the same btd_service user_data pointer which would lead to
use after free once either service is removed.
---
profiles/audio/control.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/profiles/audio/control.c b/profiles/audio/control.c
index 707276d29..4ab1f9b0f 100644
--- a/profiles/audio/control.c
+++ b/profiles/audio/control.c
@@ -275,11 +275,15 @@ static void path_unregister(void *data)
avctp_remove_state_cb(control->avctp_id);
- if (control->target)
+ if (control->target) {
+ btd_service_set_user_data(control->target, NULL);
btd_service_unref(control->target);
+ }
- if (control->remote)
+ if (control->remote) {
+ btd_service_set_user_data(control->remote, NULL);
btd_service_unref(control->remote);
+ }
devices = g_slist_remove(devices, control);
g_free(control);
--
2.13.6
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