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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 1903EC47E4B for ; Mon, 12 Jul 2021 08:51:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D41B60FF0 for ; Mon, 12 Jul 2021 08:51:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379554AbhGLIuk (ORCPT ); Mon, 12 Jul 2021 04:50:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:44444 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350779AbhGLHyF (ORCPT ); Mon, 12 Jul 2021 03:54:05 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C2FD0611AF; Mon, 12 Jul 2021 07:51:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626076277; bh=SqgqjwXJJX6J2I5vegfmJ0u8E68kgN5L3j4QWGbwvZY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OXiEKrUMDQvJka6jCYtZgtSt+sUxpem0QmBoxFb6U+W+/KNxu79ziuQWd1rtfTDwT MA+FiY0NiCqW43gWTNxizJFawI/9TVbDxGbhjkyLqot1KD9Y0NmB4ELx6C3TrdzhYv DZLjCb4ftallVgtcXBwLliKyvfEYiX6+JwbEALLc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Martin Loviska , Gary Lin , Daniel Borkmann , Dmitrii Banshchikov , Sasha Levin Subject: [PATCH 5.13 575/800] bpfilter: Specify the log level for the kmsg message Date: Mon, 12 Jul 2021 08:09:58 +0200 Message-Id: <20210712061028.544350514@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060912.995381202@linuxfoundation.org> References: <20210712060912.995381202@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: linux-kernel@vger.kernel.org From: Gary Lin [ Upstream commit a196fa78a26571359740f701cf30d774eb8a72cb ] Per the kmsg document [0], if we don't specify the log level with a prefix "" in the message string, the default log level will be applied to the message. Since the default level could be warning(4), this would make the log utility such as journalctl treat the message, "Started bpfilter", as a warning. To avoid confusion, this commit adds the prefix "<5>" to make the message always a notice. [0] https://www.kernel.org/doc/Documentation/ABI/testing/dev-kmsg Fixes: 36c4357c63f3 ("net: bpfilter: print umh messages to /dev/kmsg") Reported-by: Martin Loviska Signed-off-by: Gary Lin Signed-off-by: Daniel Borkmann Acked-by: Dmitrii Banshchikov Link: https://lore.kernel.org/bpf/20210623040918.8683-1-glin@suse.com Signed-off-by: Sasha Levin --- net/bpfilter/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bpfilter/main.c b/net/bpfilter/main.c index 05e1cfc1e5cd..291a92546246 100644 --- a/net/bpfilter/main.c +++ b/net/bpfilter/main.c @@ -57,7 +57,7 @@ int main(void) { debug_f = fopen("/dev/kmsg", "w"); setvbuf(debug_f, 0, _IOLBF, 0); - fprintf(debug_f, "Started bpfilter\n"); + fprintf(debug_f, "<5>Started bpfilter\n"); loop(); fclose(debug_f); return 0; -- 2.30.2