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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 D1093C433F5 for ; Tue, 14 Sep 2021 21:36:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA1F361183 for ; Tue, 14 Sep 2021 21:36:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233603AbhINVhS (ORCPT ); Tue, 14 Sep 2021 17:37:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232047AbhINVhR (ORCPT ); Tue, 14 Sep 2021 17:37:17 -0400 Received: from mail-qt1-x830.google.com (mail-qt1-x830.google.com [IPv6:2607:f8b0:4864:20::830]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E158AC061574 for ; Tue, 14 Sep 2021 14:35:59 -0700 (PDT) Received: by mail-qt1-x830.google.com with SMTP id w17so410140qta.9 for ; Tue, 14 Sep 2021 14:35:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5SEEen+81MOlyy5S6eaL8puTL2LLANVIRS/yIcCR6HI=; b=XyRHM1DAVEnfF/O+NCdHnXPgV7pizvDnYGa+2APq+RbsielgxjG0xKrt8g2hkr+IHJ rNwk1mp0jVAonRPL8xaihfhCYB6j2l1jmzVeQA4BK2jeqdYc4uvkIEus6y/G+FHMkmJx XLDvCyWtB+8cM8iJBOyAYjDciidAEPt3UlV+nooqm/DFmu9TSg0Mr0QgsraESn6CbUTu 11vi/EMESO7h0vZMnrWJSRtBpYo5PGPYemV4A7mf/lyMW7jL7yeCu+6qnVooXzTJxeuw rapKadQyNGf4flW0yhLEsLhBRSMV0c+9hpB8T/jLLkNKK2R1zAcKEhmUpDheqE8efDuC HQgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5SEEen+81MOlyy5S6eaL8puTL2LLANVIRS/yIcCR6HI=; b=oB8byx02UvCGmWJtcmbUknXQR6yUk2xx0+hS5b2YS8B5XaFDvhrJ/cLOH+McGkcr4L gWzcMIFSrhtubidl4snmTopfB58Ul/uiv0H9ZYucpe5C59EUXPPlVI0rDMegDHIYxgD8 xlkBtkLhydeFBz3ZDEwOZi7/wUlVn5d4SuVEjQniN+1jyyBewh4mNWwrC8AHKpOOmxMG lN0a5TZy9mZLiTmby8nv8px8Ea1mHDJqrhq1FaqpYm7A5oIU6tP2TSJY7LnsJH3NYr1W op7pucdBqgnQ/Tzg2btipfH7OVjWV0BmsZqvypXTfwU5nH1SaChiQxmufU9FYorKpYfN g0sw== X-Gm-Message-State: AOAM533ebXpgtFftPiAuClGLJahX3DFyQuRTgsQizQlEFaQNp+t76A5Y 57CRtJHle+7bdJAZGGXKj5lv/x0KEQ5WxOU= X-Google-Smtp-Source: ABdhPJwPazPZlTGkVemGkEKan+/YhCPTOcFvhQM78JCnkKc0KvOzy0FODfWDLZfc3e3giM+vTPEuGQ== X-Received: by 2002:a05:622a:290:: with SMTP id z16mr6939977qtw.123.1631655358995; Tue, 14 Sep 2021 14:35:58 -0700 (PDT) Received: from fujitsu.celeiro.cu ([191.177.175.120]) by smtp.gmail.com with ESMTPSA id n11sm6661641qtx.45.2021.09.14.14.35.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Sep 2021 14:35:58 -0700 (PDT) From: Rafael David Tinoco To: rafaeldtinoco@gmail.com Cc: andrii.nakryiko@gmail.com, bpf@vger.kernel.org, sunyucong@gmail.com, alexei.starovoitov@gmail.com Subject: [PATCH bpf-next v2] libbpf: fix build error introduced by legacy kprobe feature Date: Tue, 14 Sep 2021 18:35:54 -0300 Message-Id: <20210914213554.2338381-1-rafaeldtinoco@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <7500F71C-79CF-449C-819E-7734B6B62EA5@gmail.com> References: <7500F71C-79CF-449C-819E-7734B6B62EA5@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Fix commit 467b3225553a ("libbpf: Introduce legacy kprobe events support") build issue under FORTIFY_SOURCE. Reported-by: sunyucong@gmail.com Cc: andrii.nakryiko@gmail.com Signed-off-by: Rafael David Tinoco --- 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 6ecfdc1fa7ba..d962796024c8 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -8997,7 +8997,7 @@ static int poke_kprobe_events(bool add, const char *name, bool retprobe, uint64_ { int fd, ret = 0; pid_t p = getpid(); - char cmd[192], probename[128], probefunc[128]; + char cmd[288] = "\0", probename[128] = "\0", probefunc[128] = "\0"; const char *file = "/sys/kernel/debug/tracing/kprobe_events"; if (retprobe) -- 2.30.2