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authorSteven Luong <sluong@cisco.com>2024-11-06 13:47:26 -0800
committerFlorin Coras <florin.coras@gmail.com>2024-11-08 17:26:46 +0000
commite38d9470742ac9357515d51468ea9a6ab8c9f8f6 (patch)
tree862b4737254917fe37bcb76fc6125db3f1c4213b /src/vnet/session/session_lookup.c
parent7fdb6f4ba8dd7f934d2eb212b478086565d3d807 (diff)
session: validate appns index in vnet_session_rule_add_del
vnet_session_rule_add_del may be called with a bogus appns index from the API. Validate the appns index is indeed valid. Type: fix Change-Id: Ife1b5b9ab0b180ececa74008d2ef92045a9e8b58 Signed-off-by: Steven Luong <sluong@cisco.com>
Diffstat (limited to 'src/vnet/session/session_lookup.c')
-rw-r--r--src/vnet/session/session_lookup.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/session/session_lookup.c b/src/vnet/session/session_lookup.c
index fa2051aa8ee..3a99c0b5aaf 100644
--- a/src/vnet/session/session_lookup.c
+++ b/src/vnet/session/session_lookup.c
@@ -1383,7 +1383,7 @@ session_lookup_connection (u32 fib_index, ip46_address_t * lcl,
session_error_t
vnet_session_rule_add_del (session_rule_add_del_args_t *args)
{
- app_namespace_t *app_ns = app_namespace_get (args->appns_index);
+ app_namespace_t *app_ns = app_namespace_get_if_valid (args->appns_index);
session_table_t *st;
u32 fib_index;
u8 fib_proto;
@@ -1404,6 +1404,8 @@ vnet_session_rule_add_del (session_rule_add_del_args_t *args)
fib_proto = args->table_args.rmt.fp_proto;
fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
st = session_table_get_for_fib_index (fib_proto, fib_index);
+ if (!st)
+ return SESSION_E_INVALID;
session_rules_table_init (st, fib_proto);
if ((rv = session_rules_table_add_del (
st->srtg_handle, args->transport_proto, &args->table_args)))