From patchwork Mon Jan 24 18:36:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 535549 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E03B6C433FE for ; Mon, 24 Jan 2022 21:16:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347513AbiAXVQQ (ORCPT ); Mon, 24 Jan 2022 16:16:16 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:33760 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1448020AbiAXVLy (ORCPT ); Mon, 24 Jan 2022 16:11:54 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id F31D6B8121C; Mon, 24 Jan 2022 21:11:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D495C340E5; Mon, 24 Jan 2022 21:11:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643058711; bh=AqUHJMQ2oY0NsP6WS7PPXKuOprmnYcXcK6FdrOhbVas=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PewUrMZpCqOV30LoK6McSnp1HXenZbUZpU/EZH9Z2Dz80cGj9sTsSnXSgwXz9lyNT AACOs+vrgGvxmPXSeK48F/n4hXp9zgYzAP+4hQySTrER080KcxJ2w9WZBHTOCyAvnE 0puTROgrWaK9FwqwdC7GVaahhdeQWp2TTpo/08sI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Qiang Wang , Chengming Zhou , Andrii Nakryiko , Hengqi Chen , Sasha Levin Subject: [PATCH 5.16 0378/1039] libbpf: Use probe_name for legacy kprobe Date: Mon, 24 Jan 2022 19:36:07 +0100 Message-Id: <20220124184138.019901056@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184125.121143506@linuxfoundation.org> References: <20220124184125.121143506@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Qiang Wang [ Upstream commit 71cff670baff5cc6a6eeb0181e2cc55579c5e1e0 ] Fix a bug in commit 46ed5fc33db9, which wrongly used the func_name instead of probe_name to register legacy kprobe. Fixes: 46ed5fc33db9 ("libbpf: Refactor and simplify legacy kprobe code") Co-developed-by: Chengming Zhou Signed-off-by: Qiang Wang Signed-off-by: Chengming Zhou Signed-off-by: Andrii Nakryiko Tested-by: Hengqi Chen Reviewed-by: Hengqi Chen Link: https://lore.kernel.org/bpf/20211227130713.66933-1-wangqiang.wq.frank@bytedance.com Signed-off-by: Sasha Levin --- tools/lib/bpf/libbpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index fd25e30e70cc2..2696f0b7f0acc 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -9769,7 +9769,7 @@ bpf_program__attach_kprobe_opts(const struct bpf_program *prog, gen_kprobe_legacy_event_name(probe_name, sizeof(probe_name), func_name, offset); - legacy_probe = strdup(func_name); + legacy_probe = strdup(probe_name); if (!legacy_probe) return libbpf_err_ptr(-ENOMEM);