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authorGaoChX <chiso.gao@gmail.com>2022-08-04 10:04:33 +0800
committerchiso.gao@gmail.com <chiso.gao@gmail.com>2022-08-04 06:45:31 +0000
commit5fcec2053eab28b8b56e6d692d9822dc22bd073f (patch)
treea6aeb16ce113bf423efc96cd883a28d48f30b6b0 /src
parent44ec846f4ad1c11cc596c9fa6b73284511131ed4 (diff)
arping: validate am->interfaces before check address
May cause pointers point to unexpected non-zero addresses if not validate vec Type: fix Change-Id: Ie4d3343d6734125b98e0dc962e33e0c7514da829 Signed-off-by: GaoChX <chiso.gao@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/plugins/arping/arping.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/plugins/arping/arping.c b/src/plugins/arping/arping.c
index 14f92589ea7..a446c259d44 100644
--- a/src/plugins/arping/arping.c
+++ b/src/plugins/arping/arping.c
@@ -554,7 +554,8 @@ arping_neighbor_probe_dst (vlib_main_t *vm, arping_args_t *args)
arping_intf_t aif;
/* Disallow multiple sends on the same interface for now. Who needs it? */
- if (am->interfaces && (am->interfaces[args->sw_if_index] != 0))
+ if ((vec_len (am->interfaces) > args->sw_if_index) &&
+ (am->interfaces[args->sw_if_index] != 0))
{
error = clib_error_return (
0, "arping command is in progress for the same interface. "