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rxrpc: Fix a memory leak in rxkad_verify_response()

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A ticket was not released after a call of the function
"rxkad_decrypt_ticket" failed. Thus replace the jump target
"temporary_error_free_resp" by "temporary_error_free_ticket".

Fixes: 8c2f826dc3 ("rxrpc: Don't put crypto buffers on the stack")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Markus Elfring <Markus.Elfring@web.de>
This commit is contained in:
Qiushi Wu 2020-05-22 13:45:18 -05:00 committed by David Howells
parent 8a1d24e1cc
commit f45d01f4f3
1 changed files with 1 additions and 2 deletions
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3
net/rxrpc/rxkad.c
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@ -1148,7 +1148,7 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
ret = rxkad_decrypt_ticket(conn, skb, ticket, ticket_len, &session_key,
&expiry, _abort_code);
if (ret < 0)
goto temporary_error_free_resp;
goto temporary_error_free_ticket;
/* use the session key from inside the ticket to decrypt the
* response */
@ -1230,7 +1230,6 @@ 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