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authorDamjan Marion <damarion@cisco.com>2022-04-04 22:40:45 +0200
committerDamjan Marion <dmarion@me.com>2022-04-04 23:17:13 +0000
commit8bea589cfe0fca1a6f560e16ca66a4cf199041a2 (patch)
treecf2767f8f5f31344468b65e14baa3f1a4c85fb91 /src/vnet/unix
parenta2b358b1faf6e762e1d29a931d83c7735ac9a77d (diff)
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>
Diffstat (limited to 'src/vnet/unix')
-rw-r--r--src/vnet/unix/tuntap.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/vnet/unix/tuntap.c b/src/vnet/unix/tuntap.c
index c588cfd208c..1ce13e79254 100644
--- a/src/vnet/unix/tuntap.c
+++ b/src/vnet/unix/tuntap.c
@@ -172,7 +172,7 @@ tuntap_tx (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
/* Re-set iovecs if present. */
if (tm->threads[thread_index].iovecs)
- _vec_len (tm->threads[thread_index].iovecs) = 0;
+ vec_set_len (tm->threads[thread_index].iovecs, 0);
/** VLIB buffer chain -> Unix iovec(s). */
vec_add2 (tm->threads[thread_index].iovecs, iov, 1);
@@ -260,7 +260,7 @@ tuntap_rx (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
vlib_buffer_alloc (vm,
tm->threads[thread_index].rx_buffers + n_left,
VLIB_FRAME_SIZE - n_left);
- _vec_len (tm->threads[thread_index].rx_buffers) = n_left + n_alloc;
+ vec_set_len (tm->threads[thread_index].rx_buffers, n_left + n_alloc);
}
}
@@ -324,7 +324,7 @@ tuntap_rx (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+ VNET_INTERFACE_COUNTER_RX,
thread_index, tm->sw_if_index, 1, n_bytes_in_packet);
- _vec_len (tm->threads[thread_index].rx_buffers) = i_rx;
+ vec_set_len (tm->threads[thread_index].rx_buffers, i_rx);
}
b = vlib_get_buffer (vm, bi);