From c0737e962ca913763e4cc3aa516a2dfffe46659e Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Mon, 4 Mar 2019 14:19:39 -0800 Subject: session: use session index instead of fifo for evt Avoids derefrencing fifo pointers whose segments could have been unmapped. Change-Id: Ifb0b7399e424f145f3f94b769391a6f4e31bb4e6 Signed-off-by: Florin Coras --- src/vnet/session/application_interface.h | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'src/vnet/session/application_interface.h') diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h index d4dfeec54dc..56d034e18ed 100644 --- a/src/vnet/session/application_interface.h +++ b/src/vnet/session/application_interface.h @@ -407,7 +407,7 @@ app_send_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt) * @return 0 if success, negative integer otherwise */ static inline int -app_send_io_evt_to_vpp (svm_msg_q_t * mq, svm_fifo_t * f, u8 evt_type, +app_send_io_evt_to_vpp (svm_msg_q_t * mq, u32 session_index, u8 evt_type, u8 noblock) { session_event_t *evt; @@ -429,7 +429,7 @@ app_send_io_evt_to_vpp (svm_msg_q_t * mq, svm_fifo_t * f, u8 evt_type, return -2; } evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg); - evt->fifo = f; + evt->session_index = session_index; evt->event_type = evt_type; svm_msg_q_add_and_unlock (mq, &msg); return 0; @@ -441,7 +441,7 @@ app_send_io_evt_to_vpp (svm_msg_q_t * mq, svm_fifo_t * f, u8 evt_type, svm_msg_q_wait (mq); msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING); evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg); - evt->fifo = f; + evt->session_index = session_index; evt->event_type = evt_type; if (svm_msg_q_is_full (mq)) svm_msg_q_wait (mq); @@ -478,7 +478,8 @@ app_send_dgram_raw (svm_fifo_t * f, app_session_transport_t * at, if ((rv = svm_fifo_enqueue_nowait (f, actual_write, data)) > 0) { if (do_evt && svm_fifo_set_event (f)) - app_send_io_evt_to_vpp (vpp_evt_q, f, evt_type, noblock); + app_send_io_evt_to_vpp (vpp_evt_q, f->master_session_index, evt_type, + noblock); } ASSERT (rv); return rv; @@ -501,7 +502,8 @@ app_send_stream_raw (svm_fifo_t * f, svm_msg_q_t * vpp_evt_q, u8 * data, if ((rv = svm_fifo_enqueue_nowait (f, len, data)) > 0) { if (do_evt && svm_fifo_set_event (f)) - app_send_io_evt_to_vpp (vpp_evt_q, f, evt_type, noblock); + app_send_io_evt_to_vpp (vpp_evt_q, f->master_session_index, evt_type, + noblock); } return rv; } -- cgit 1.2.3-korg