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session: fix use-after-free in input node
05/26605/3
author
Benoît Ganne
<bganne@cisco.com>
Fri, 17 Apr 2020 10:09:37 +0000
(12:09 +0200)
committer
Florin Coras
<florin.coras@gmail.com>
Mon, 20 Apr 2020 16:07:09 +0000
(16:07 +0000)
Type: fix
Change-Id: Ie60b07abe76ad166f048f5885accd7038d8153b2
Signed-off-by: Benoît Ganne <bganne@cisco.com>
src/vnet/session/session_node.c
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diff --git
a/src/vnet/session/session_node.c
b/src/vnet/session/session_node.c
index
0f5030b
..
8a96f58
100644
(file)
--- a/
src/vnet/session/session_node.c
+++ b/
src/vnet/session/session_node.c
@@
-959,6
+959,8
@@
session_tx_fifo_read_and_snd_i (session_worker_t * wrk,
return SESSION_TX_NO_BUFFERS;
}
+ transport_connection_update_tx_bytes (ctx->tc, ctx->max_len_to_snd);
+
ctx->left_to_snd = ctx->max_len_to_snd;
n_left = ctx->n_segs_per_evt;
@@
-1032,7
+1034,6
@@
session_tx_fifo_read_and_snd_i (session_worker_t * wrk,
vlib_buffer_free (vm, wrk->tx_buffers, n_bufs);
*n_tx_packets += ctx->n_segs_per_evt;
- transport_connection_update_tx_bytes (ctx->tc, ctx->max_len_to_snd);
SESSION_EVT (SESSION_EVT_DEQ, ctx->s, ctx->max_len_to_snd, ctx->max_dequeue,
ctx->s->tx_fifo->has_event, wrk->last_vlib_time);