commit af2e88d964ff8bd8eca30c182ab00e178213c1d4
author Florin Coras <fcoras@cisco.com> Thu Feb 02 20:07:19 2023 -0800
committer Dave Wallace <dwallacelf@gmail.com> Fri Feb 03 20:11:51 2023 +0000
tree 3eddc479199b5f2eb6bae3facf9f118517f33307
parent 6b97c43005f6458ce2e253f87af6f609eaebef60

session: fix out of bounds event memcpy

Type: fix

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: If5300653edd2dad470985f4591959d00cad2a43b

src/vnet/session/session_debug.c

diff --git a/src/vnet/session/session_debug.c b/src/vnet/session/session_debug.c
index a6c4adb..dba4ef3 100644
--- a/src/vnet/session/session_debug.c
+++ b/src/vnet/session/session_debug.c
@@ -302,7 +302,6 @@
   session_worker_t *wrk;
   int i, index, found = 0;
   svm_msg_q_msg_t *msg;
-  svm_msg_q_ring_t *ring;
   svm_msg_q_t *mq;
   u8 thread_index;
 
@@ -319,8 +318,7 @@
   for (i = 0; i < sq->cursize; i++)
     {
       msg = (svm_msg_q_msg_t *) (&sq->data[0] + sq->elsize * index);
-      ring = svm_msg_q_ring (mq, msg->ring_index);
-      clib_memcpy_fast (e, svm_msg_q_msg_data (mq, msg), ring->elsize);
+      clib_memcpy_fast (e, svm_msg_q_msg_data (mq, msg), sizeof (*e));
       found = session_node_cmp_event (e, f);
       if (found)
 	return 1;