From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F4233C432C0 for ; Mon, 18 Nov 2019 11:41:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB25020727 for ; Mon, 18 Nov 2019 11:41:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727020AbfKRLlJ (ORCPT ); Mon, 18 Nov 2019 06:41:09 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:54925 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726460AbfKRLlG (ORCPT ); Mon, 18 Nov 2019 06:41:06 -0500 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1iWfOt-0007Ef-P5; Mon, 18 Nov 2019 11:40:59 +0000 From: Colin King To: "David S . Miller" , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , netdev@vger.kernel.org, bpf@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] bpf: fix memory leak on object 'data' Date: Mon, 18 Nov 2019 11:40:59 +0000 Message-Id: <20191118114059.37287-1-colin.king@canonical.com> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Colin Ian King The error return path on when bpf_fentry_test* tests fail does not kfree 'data'. Fix this by adding the missing kfree. Addresses-Coverity: ("Resource leak") Fixes: faeb2dce084a ("bpf: Add kernel test functions for fentry testing") Signed-off-by: Colin Ian King --- net/bpf/test_run.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index 62933279fbba..915c2d6f7fb9 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -161,8 +161,10 @@ static void *bpf_test_init(const union bpf_attr *kattr, u32 size, bpf_fentry_test3(4, 5, 6) != 15 || bpf_fentry_test4((void *)7, 8, 9, 10) != 34 || bpf_fentry_test5(11, (void *)12, 13, 14, 15) != 65 || - bpf_fentry_test6(16, (void *)17, 18, 19, (void *)20, 21) != 111) + bpf_fentry_test6(16, (void *)17, 18, 19, (void *)20, 21) != 111) { + kfree(data); return ERR_PTR(-EFAULT); + } return data; } -- 2.24.0