bap: Fix crash on unexpected disconnect If an unexpected disconnect happens while bt_bap_config is pending the following trace can be observed, to fix it bt_bap_config is reworked so it no longer attempts to create and config the stream in place, instead it just return the new stream and the function is renamed to bt_bap_stream_new: Invalid write of size 4 at 0x3980D8: config_cb (bap.c:395) by 0x4DF5A3: bap_req_complete (bap.c:3471) by 0x4E9D33: bap_req_detach (bap.c:3807) by 0x4E9D33: bt_bap_detach (bap.c:3819) by 0x4E9D33: bt_bap_detach (bap.c:3810) by 0x397AA9: bap_disconnect (bap.c:1342) by 0x4223E0: btd_service_disconnect (service.c:305) by 0x4974D8F: g_slist_foreach (in /usr/lib64/libglib-2.0.so.0.7200.3) by 0x438FC3: att_disconnected_cb (device.c:5160) by 0x49A6C6: queue_foreach (queue.c:207) by 0x4B463B: disconnect_cb (att.c:701) by 0x5054DF: watch_callback (io-glib.c:157) by 0x495BFAE: g_main_context_dispatch (in /usr/lib64/libglib-2.0.so.0.7200.3) by 0x49B12C7: ??? (in /usr/lib64/libglib-2.0.so.0.7200.3) Address 0x6576940 is 96 bytes inside a block of size 112 free'd at 0x48480E4: free (vg_replace_malloc.c:872) by 0x48F78D: remove_interface (object.c:660) by 0x490489: g_dbus_unregister_interface (object.c:1394) by 0x397BA8: ep_remove (bap.c:1330) by 0x49ACF4: queue_remove_if (queue.c:279) by 0x49B0AC: queue_remove_all (queue.c:321) by 0x397A7C: bap_disconnect (bap.c:1339) by 0x4223E0: btd_service_disconnect (service.c:305) by 0x4974D8F: g_slist_foreach (in /usr/lib64/libglib-2.0.so.0.7200.3) by 0x438FC3: att_disconnected_cb (device.c:5160) by 0x49A6C6: queue_foreach (queue.c:207) by 0x4B463B: disconnect_cb (att.c:701) Block was alloc'd at at 0x484586F: malloc (vg_replace_malloc.c:381) by 0x49B432: util_malloc (util.c:43) by 0x39A1D9: ep_register (bap.c:563) by 0x39A1D9: pac_found (bap.c:664) by 0x4E5FEA: bap_foreach_pac (bap.c:3980) by 0x4EA437: bap_notify_ready (bap.c:2736) by 0x4EA437: bap_idle (bap.c:3711) by 0x4B52F0: idle_notify (gatt-client.c:171) by 0x49ACF4: queue_remove_if (queue.c:279) by 0x49B0AC: queue_remove_all (queue.c:321) by 0x4C092C: notify_client_idle (gatt-client.c:180) by 0x4C092C: request_unref (gatt-client.c:199) by 0x4AACB5: destroy_att_send_op (att.c:209) by 0x4B2B88: handle_rsp (att.c:862) by 0x4B2B88: can_read_data (att.c:1052) by 0x5054DF: watch_callback (io-glib.c:157)

Diffstat

3 files changed, 16 insertions(+), 34 deletions(-)