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-rw-r--r--net/rxrpc/rxkad.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index e923d6829008..0f79d694cb08 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -958,6 +958,7 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
struct in_addr addr;
unsigned int life;
time64_t issue, now;
+ int ret;
bool little_endian;
u8 *p, *q, *name, *end;
@@ -977,8 +978,11 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
sg_init_one(&sg[0], ticket, ticket_len);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, ticket_len, iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_free(req);
+ if (ret < 0)
+ return rxrpc_abort_conn(conn, skb, RXKADBADTICKET, -EPROTO,
+ rxkad_abort_resp_tkt_short);
p = ticket;
end = p + ticket_len;