diff options
author | Steven Luong <sluong@cisco.com> | 2024-11-06 13:47:26 -0800 |
---|---|---|
committer | Florin Coras <florin.coras@gmail.com> | 2024-11-08 17:26:46 +0000 |
commit | e38d9470742ac9357515d51468ea9a6ab8c9f8f6 (patch) | |
tree | 862b4737254917fe37bcb76fc6125db3f1c4213b /src/vnet/session/session_lookup.c | |
parent | 7fdb6f4ba8dd7f934d2eb212b478086565d3d807 (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.c | 4 |
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))) |