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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/plugins/dns/dns.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/plugins/dns/dns.c')
-rw-r--r--src/plugins/dns/dns.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/plugins/dns/dns.c b/src/plugins/dns/dns.c
index 76ce3dabd30..ac6d1229441 100644
--- a/src/plugins/dns/dns.c
+++ b/src/plugins/dns/dns.c
@@ -829,7 +829,7 @@ re_resolve:
clib_memset (ep, 0, sizeof (*ep));
ep->name = format (0, "%s%c", name, 0);
- _vec_len (ep->name) = vec_len (ep->name) - 1;
+ vec_set_len (ep->name, vec_len (ep->name) - 1);
hash_set_mem (dm->cache_entry_by_name, ep->name, ep - dm->entries);
@@ -988,7 +988,7 @@ found_last_request:
cname = vnet_dns_labels_to_name (rr->rdata, reply, &pos2);
/* Save the cname */
vec_add1 (cname, 0);
- _vec_len (cname) -= 1;
+ vec_dec_len (cname, 1);
ep = pool_elt_at_index (dm->entries, ep_index);
ep->cname = cname;
ep->flags |= (DNS_CACHE_ENTRY_FLAG_CNAME | DNS_CACHE_ENTRY_FLAG_VALID);
@@ -1007,7 +1007,7 @@ found_last_request:
clib_memset (next_ep, 0, sizeof (*next_ep));
next_ep->name = vec_dup (cname);
vec_add1 (next_ep->name, 0);
- _vec_len (next_ep->name) -= 1;
+ vec_dec_len (next_ep->name, 1);
hash_set_mem (dm->cache_entry_by_name, next_ep->name,
next_ep - dm->entries);
@@ -2611,7 +2611,7 @@ test_dns_expire_command_fn (vlib_main_t * vm,
if (unformat (input, "%v", &name))
{
vec_add1 (name, 0);
- _vec_len (name) -= 1;
+ vec_dec_len (name, 1);
}
else
return clib_error_return (0, "no name provided");