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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7CACC433EF for ; Mon, 11 Oct 2021 14:10:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9ACF0610C7 for ; Mon, 11 Oct 2021 14:10:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242526AbhJKOMp (ORCPT ); Mon, 11 Oct 2021 10:12:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:34948 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242653AbhJKOKo (ORCPT ); Mon, 11 Oct 2021 10:10:44 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 48584611BF; Mon, 11 Oct 2021 14:02:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1633960960; bh=6hrNgoo3oeCpunsATdIvWkN9Kfmlp59sgKwxKMv1Log=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=w1pz33AgcGINIOy5p4n2DV+aK62yp4baogpasbsqiOy2g4xXcSKssmy+TRTsMATe6 yvxunX2vrlJ1aWv+aFubuXIISsu5W1XjOfuUQbPnwG3Xuhiqi8XSwR+pN8JjXXPAeT WBrf3HV8zK9beKAuLXM5iw+TDa9pkNEVRuv1JRFI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tiezhu Yang , Ilya Leoshkevich , Christian Borntraeger , Vasily Gorbik , Sasha Levin Subject: [PATCH 5.14 126/151] bpf, s390: Fix potential memory leak about jit_data Date: Mon, 11 Oct 2021 15:46:38 +0200 Message-Id: <20211011134521.880913783@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211011134517.833565002@linuxfoundation.org> References: <20211011134517.833565002@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tiezhu Yang [ Upstream commit 686cb8b9f6b46787f035afe8fbd132a74e6b1bdd ] Make sure to free jit_data through kfree() in the error path. Fixes: 1c8f9b91c456 ("bpf: s390: add JIT support for multi-function programs") Signed-off-by: Tiezhu Yang Acked-by: Ilya Leoshkevich Reviewed-by: Christian Borntraeger Signed-off-by: Christian Borntraeger Signed-off-by: Vasily Gorbik Signed-off-by: Sasha Levin --- arch/s390/net/bpf_jit_comp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 840d8594437d..1a374d021e25 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -1826,7 +1826,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) jit.addrs = kvcalloc(fp->len + 1, sizeof(*jit.addrs), GFP_KERNEL); if (jit.addrs == NULL) { fp = orig_fp; - goto out; + goto free_addrs; } /* * Three initial passes: -- 2.33.0