[PATCH] rxrpc: Fix memleak in rxkad_verify_response
From: Dinghao Liu
Date: Wed Aug 26 2020 - 07:33:03 EST
When kmalloc() on ticket fails, response should be freed
to prevent memleak.
Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
---
net/rxrpc/rxkad.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index 52a24d4ef5d8..e08130e5746b 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -1137,7 +1137,7 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
ret = -ENOMEM;
ticket = kmalloc(ticket_len, GFP_NOFS);
if (!ticket)
- goto temporary_error;
+ goto temporary_error_free_resp;
eproto = tracepoint_string("rxkad_tkt_short");
abort_code = RXKADPACKETSHORT;
@@ -1230,6 +1230,7 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
temporary_error_free_ticket:
kfree(ticket);
+temporary_error_free_resp:
kfree(response);
temporary_error:
/* Ignore the response packet if we got a temporary error such as
--
2.17.1