diff options
| author |   Florin Coras <fcoras@cisco.com> | 2021-06-10 22:50:26 -0700 |
|---|---|---|
| committer |   Dave Wallace <dwallacelf@gmail.com> | 2021-06-11 16:16:24 +0000 |
| commit | 3558a9a0bab51e829da8d9b2504e44a88ad59a35 (patch) | |
| tree | c4dd94e98bf3c754cd25c4689351dd47d0c4f74c | |
| parent | 7dabce40244fc8d518049ee877ae8d8b1c1ca9e2 (diff) | |
session: half-open free only on main thread
TCP and (D)TLS clean up half-opens on main without a lock/barrier so
cleanup initiated from first worker, e.g., cut-throughs, can corrupt the
session pool.
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I2e5162831c0e201b22454f17fe55bfac44b85fa9
(cherry picked from commit 6bd54caf46aaa68dddbae6161688d428ce60550b)
| -rw-r--r-- | src/vnet/session/session.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c index 56a1fd71f5a..a60735d712c 100644 --- a/src/vnet/session/session.c +++ b/src/vnet/session/session.c @@ -347,16 +347,15 @@ void session_half_open_delete_notify (transport_connection_t *tc) { /* Notification from ctrl thread accepted without rpc */ - if (tc->thread_index <= 1) + if (!tc->thread_index) { session_half_open_free (ho_session_get (tc->s_index)); } else { void *args = uword_to_pointer ((uword) tc->s_index, void *); - u32 ctrl_thread = vlib_num_workers () ? 1 : 0; - session_send_rpc_evt_to_thread (ctrl_thread, session_half_open_free_rpc, - args); + session_send_rpc_evt_to_thread_force (0, session_half_open_free_rpc, + args); } } |