commit 8bea589cfe0fca1a6f560e16ca66a4cf199041a2
author Damjan Marion <damarion@cisco.com> Mon Apr 04 22:40:45 2022 +0200
committer Damjan Marion <dmarion@me.com> Mon Apr 04 23:17:13 2022 +0000
tree cf2767f8f5f31344468b65e14baa3f1a4c85fb91
parent a2b358b1faf6e762e1d29a931d83c7735ac9a77d

vppinfra: make _vec_len() read-only

Use of _vec_len() to set vector length breaks address sanitizer.
Users should use vec_set_len(), vec_inc_len(), vec_dec_len () instead.

Type: improvement
Change-Id: I441ae948771eb21c23a61f3ff9163bdad74a2cb8
Signed-off-by: Damjan Marion <damarion@cisco.com>

src/vnet/pg/input.c

diff --git a/src/vnet/pg/input.c b/src/vnet/pg/input.c
index 14c8b98..6f38ed0 100644
--- a/src/vnet/pg/input.c
+++ b/src/vnet/pg/input.c
@@ -965,7 +965,7 @@
   if (vec_len (unused_buffers) > 0)
     {
       vlib_buffer_free_no_next (vm, unused_buffers, vec_len (unused_buffers));
-      _vec_len (unused_buffers) = 0;
+      vec_set_len (unused_buffers, 0);
     }
 }