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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/devices/af_packet/node.c
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/devices/af_packet/node.c')
-rw-r--r--src/vnet/devices/af_packet/node.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/vnet/devices/af_packet/node.c b/src/vnet/devices/af_packet/node.c
index 323508bd304..631bbac1117 100644
--- a/src/vnet/devices/af_packet/node.c
+++ b/src/vnet/devices/af_packet/node.c
@@ -293,7 +293,7 @@ af_packet_device_input_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
n_required + n_free_bufs - 1);
n_free_bufs += vlib_buffer_alloc (
vm, &apm->rx_buffers[thread_index][n_free_bufs], n_required);
- _vec_len (apm->rx_buffers[thread_index]) = n_free_bufs;
+ vec_set_len (apm->rx_buffers[thread_index], n_free_bufs);
}
while (num_pkts && (n_free_bufs >= min_bufs))
@@ -341,7 +341,8 @@ af_packet_device_input_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
u32 last_empty_buffer =
vec_len (apm->rx_buffers[thread_index]) - 1;
bi0 = apm->rx_buffers[thread_index][last_empty_buffer];
- _vec_len (apm->rx_buffers[thread_index]) = last_empty_buffer;
+ vec_set_len (apm->rx_buffers[thread_index],
+ last_empty_buffer);
n_free_bufs--;
/* copy data */